What You’ll Do

• Develop and maintain models for electric motors, inverters, thermal management systems, gearboxes, and power distribution systems.
• Create integrated multi-physics models coupling electrical, thermal, mechanical, and controls domains.
• Use analysis to inform design decisions and optimize overall propulsion system performance. Lead trade studies evaluating design alternatives to determine optimal thermal solutions.
• Design creative high performance thermal systems, then build engineering prototypes to confirm performance. 
• Design and build thermal test setups to measure system critical temperatures, flowrates, and pressures and confirm performance. 
• Plan and oversee execution of thermal test campaigns validating your thermal models, including FAA certification testing related to the thermal system. 
• Collaborate with other engineers to develop propulsion system thermal boundary requirements (external cooling flows, temperatures) and ensure propulsion system thermal design is optimized for vehicle level performance.  
• Collaborate with mechanical design teams to package your thermal designs within the volume and mass constraints of the aircraft.
• Collaborate with Software and Controls teams to develop and implement embedded thermal models, observers, and overheat prevention. 
• Clearly document and communicate thermal design rationale, analysis methodologies, and test results. 
• Review measured thermal data from propulsion systems on Archer aircraft, confirm thermal systems are meeting performance requirements on aircraft

What You’ll Need

• BS / MS / PhD in Mechanical Engineering, or Aerospace Engineering
• 4+ years experience in thermal design and simulation, preferably within the aerospace or automotive sectors.
• Strong fundamentals and demonstrated understanding of heat transfer and flow physics, including, conduction, convection and radiation
• Experience with power electronics, electric motor, heat exchanger, and gearbox thermal design. 
• Strong Experience in MATLAB/Simulink and Python (including object-oriented programming and version control via Git).
• Experience with industry-standard tools such as StarCCM+, Ansys Fluent, Ansys ICEpak and Thermal analysis packages, 
• A systematic approach to problem-solving and the ability to communicate complex technical rationale to multidisciplinary stakeholders.
• Experience with lumped parameter thermal networks modeling, reduced-order modeling, kalman filters, control theory and application, and advanced signal processing.
• Experience with thermal testing and test-data correlation
• Self-motivated with ability to work independently and drive technical initiatives
• Strong written and verbal communication skills, experience writing technical reports. 

Bonus Qualifications

• Prior experience with eVTOL aircraft
• Familiarity with FAA certification basis (Part 23/25 or 27/29)
• Experience with CAD modeling systems (e.g . NX, CATIA, Solidworks)
• Experience with embedded microcontroller software development in C
• Experience utilizing high-performance computing (HPC) to parallelize workflows
• Knowledge of simulation model validation, model calibration, and uncertainty quantification methods

Physical Requirements:

• Ability to work in laboratory and test environments
• May require occasional travel to test facilities

At Archer, we aim to attract, retain, and motivate talent with the skills and leadership needed to grow our business. We drive a pay-for-performance culture and reward performance that support the Company's strategy. For this position, we are targeting a base pay range of $172,000 - $225,000. Actual compensation offered will be determined by job-related knowledge, skills, and experience.

Archer is committed to working with and providing reasonable accommodations to job applicants with physical or mental disabilities, and those with sincerely held religious beliefs. Applicants who may require reasonable accommodation for any part of the application or hiring process should provide their name and contact information to Archer’s People Team at people@archer.com. Reasonable accommodations will be determined on a case-by-case basis.

As a Staff Condition Monitoring Engineer on our Electric Propulsion System team, you'll be at the forefront of solving complex challenges that directly impact the performance, safety, and evolution of Archer's cutting-edge electric aviation technology. This role combines expertise in vibration and health monitoring, predictive diagnostics, and powertrain design with strategic problem-solving to ensure our electric propulsion systems meet the highest standards of reliability and performance.

What You'll Do:

Data Analysis and Monitoring

• Review and analyze flight test data (vibration, thermal, structural) to support ongoing flight test campaigns
• Build and maintain robust analysis tools for processing flight and dynamometer test data
• Develop insights from complex datasets to inform design improvements and operational decisions

Algorithm Development and Implementation

• Own the development and implementation of onboard vibration and engine health monitoring algorithms
• Design predictive maintenance algorithms to optimize system reliability and performance
• Validate and refine monitoring systems throughout the design/development cycle

Leadership and Collaboration

• Lead by example, actively developing solutions alongside the team while providing technical oversight
• Collaborate with cross-functional team members to develop health monitoring metrics and analytical tools
• Work with systems, safety, and reliability teams to inform DFMEA and ensure requirements are properly validated and understood
• Mentor and/or oversee junior engineers

Testing and Validation

• Design and oversee validation and certification testing of vibration monitoring and other health monitoring functions
• Establish test protocols and acceptance criteria for health monitoring systems
• Support certification activities with regulatory authorities

External Partnership Management

• Manage relationships with outside flight instrumentation contractors and consultants
• Coordinate technical requirements and deliverables with external partners

What You Need:

Education and Experience

• Bachelor's degree in Mechanical Engineering, Aerospace Engineering, Electrical Engineering, or related field
• 8+ years of professional engineering experience in vibration analysis, structural or rotating equipment health monitoring, or related fields
• Experience with gearbox, turbine, or electric motor design, testing, or analysis for an automotive, aerospace, or defense application. 

Technical Skills

• Proficiency with data analysis tools and programming languages (Python, MATLAB, or similar)
• Ability to build and maintain data analysis software tools while employing software development and version control (Git, Bitbucket, etc.) best practices. 
• Expert understanding of vibration analysis and signal processing tools
• Experience with health monitoring algorithms and predictive maintenance techniques
• Knowledge of sensors, data acquisition systems, and instrumentation such as accelerometers, load cells, strain gauges, and oil debris sensors. 
• Familiarity with gearbox systems and failure modes. 

Communication and Organization

• Proven ability to organize and lead cross-functional technical initiatives
• Excellent presentation and communication skills to influence decision-making
• Capacity to translate complex technical concepts to clear, testable requirements 

Additional Requirements

• Availability for domestic travel as needed
• Demonstrated commitment to safety and quality in engineering practices

Bonus Qualifications:

• Aerospace development and certification experience
• Strong grasp of electric and/or hybrid powertrains
• Experience with requirements writing and management using tools such as DOORS, Polarion, or similar requirements management software
• Experience as a technical team lead or team manager
• Familiarity with FAA or EASA certification processes
• Experience with machine learning or AI applications in predictive maintenance

At Archer, we aim to attract, retain, and motivate talent with the skills and leadership needed to grow our business. We drive a pay-for-performance culture and reward performance that support the Company's strategy. For this position, we are targeting a base pay range of $152,000 - $200,000. Actual compensation offered will be determined by job-related knowledge, skills, and experience.

Archer is committed to working with and providing reasonable accommodations to job applicants with physical or mental disabilities, and those with sincerely held religious beliefs. Applicants who may require reasonable accommodation for any part of the application or hiring process should provide their name and contact information to Archer’s People Team at people@archer.com. Reasonable accommodations will be determined on a case-by-case basis.

What You'll Do:

• Lead Electric Engine Diagnostics & Analysis
• Conduct comprehensive Electric Engine teardowns and root cause investigations
• Serve as the primary technical expert for triaging and resolving critical issues during the design/development cycle
• Make decisive judgments to prioritize mission-critical concerns that impact product safety and performance
• Develop Advanced Systems & Procedures
• Create detailed Electric Engine teardown protocols and documentation.
• Develop real-time health monitoring systems .
• Establish Electric Engine end-of-line test specifications that ensure quality and reliability.
• Drive Engineering Excellence
• Own field failure analysis and implement corrective actions to prevent recurrence
• Develop and execute Electric Engine DFMEA (Design Failure Mode and Effects Analysis) and DVP&R (Design Verification Plan & Report)
• Validate Electric Engine requirements throughout development cycles
• Lead powertrain system optimization studies to enhance performance and efficiency

• Collaborate Across Functions
• Partner daily with Electric Engine design, Motor, Rotor, Geartrain and test teams
• Provide expert design guidance and mentorship to engineering teams
• Lead by example, actively designing alongside the team while providing technical oversight

What You Need:

• Education & Experience
• Master's of PhD Degree in mechanical/electrical engineering, physics, or related field
• Minimum of 5 years of hands-on Electric Engine experience
• Demonstrated expertise in Electric Engine teardowns, diagnostics, and troubleshooting
• Technical Expertise
• Strong multidisciplinary engineering knowledge across mechanical, thermal, fluid, and electrical systems
• Proficiency in root cause analysis and problem-solving methodologies (8D, 5 whys, etc.)
• Advanced data analysis, modeling, and optimization skills (MATLAB preferred)
• Leadership & Communication
• Proven ability to organize and lead cross-functional technical initiatives
• Excellent presentation and communication skills to influence decision-making
• Capacity to translate complex technical concepts for diverse audiences
• Additional Requirements
• Availability for domestic travel as needed
• Demonstrated commitment to safety and quality in engineering practices

Bonus Qualifications:

• Aerospace and/or automotive development experience
• Experience designing fixtures, procuring parts, and assembling test setups
• Self-motivated with exceptional attention to detail and ability to manage multiple priorities simultaneously
• Track record of innovation and continuous improvement in engineering systems

_{At Archer, we aim to attract, retain, and motivate talent with the skills and leadership needed to grow our business. We drive a pay-for-performance culture and reward performance that supports the Company’s strategy. For this position, we are targeting a base pay range of $144,000 - $188,000. Actual compensation offered will be determined by job-related knowledge, skills, and experience.}

_{Archer is committed to working with and providing reasonable accommodations to job applicants with physical or mental disabilities, and those with sincerely held religious beliefs. Applicants who may require reasonable accommodation for any part of the application or hiring process should provide their name and contact information to Archer’s People Team at people@archer.com. Reasonable accommodations will be determined on a case-by-case basis.}

What You'll Do:

What You Need:

Bonus Qualifications:

At Archer, we aim to attract, retain, and motivate talent with the skills and leadership needed to grow our business. We drive a pay-for-performance culture and reward performance that support the Company's strategy. For this position, we are targeting a base pay range of $50,600 - $69,600. Actual compensation offered will be determined by job-related knowledge, skills, and experience.

Archer is committed to working with and providing reasonable accommodations to job applicants with physical or mental disabilities, and those with sincerely held religious beliefs. Applicants who may require reasonable accommodation for any part of the application or hiring process should provide their name and contact information to Archer’s People Team at people@archer.com. Reasonable accommodations will be determined on a case-by-case basis.

Archer is seeking a talented Propulsion Control Engineer to join our mission of advancing sustainable urban air mobility. In this role, you will design, develop, and validate control systems for electric propulsion technologies that power our cutting-edge eVTOL (electric Vertical Takeoff and Landing) aircraft. The ideal candidate brings expertise in embedded C programming, resonant converter control design, power electronics, and DC-DC converters. You will collaborate with our multidisciplinary team to ensure the safety, efficiency, and performance of propulsion systems that redefine the future of transportation.

What you'll do:

• Design and implement control algorithms for electric propulsion systems using embedded C code.
• Develop and optimize resonant converter control designs to maximize power efficiency and system reliability.
• Integrate and validate power electronics components, with a focus on DC-DC converters, within propulsion systems.
• Conduct simulations, hardware-in-the-loop (HIL) testing, and system validation to meet stringent aerospace performance standards.
• Work closely with electrical, mechanical, and software teams to troubleshoot and enhance propulsion control performance.
• Document technical designs, test results, and software iterations while adhering to aerospace development processes.
• Support the integration and testing of propulsion systems during prototype development and flight test phases.
• Contribute to the continuous improvement of control strategies aligned with Archer’s mission of sustainable aviation.

What you'll need:

• Bachelor’s degree in Electrical Engineering, Aerospace Engineering, Computer Engineering, or a related field (Master’s preferred).
• 3+ years of experience in control systems engineering, ideally in electric propulsion or power electronics.
• Proficiency in writing and debugging embedded C code for real-time applications.
• Strong knowledge of resonant converter control design and its application in high-efficiency power systems.
• Expertise in power electronics, particularly DC-DC converter design and implementation.
• Experience with validation techniques, including simulation tools (e.g., MATLAB/Simulink) and HIL testing.
• Familiarity with microcontrollers and communication protocols (e.g., I2C, SPI, CAN).
• Detail-oriented with strong analytical and problem-solving skills.
• Ability to thrive in a collaborative, fast-paced, and innovative team environment.

Bonus:

• Experience with electric propulsion systems for aerospace or electric vehicle applications.
• Knowledge of motor control, battery management systems, or high-voltage power electronics.
• Familiarity with aerospace standards (e.g., DO-178C, DO-254) for safety-critical systems.
• Proficiency in Python or C++ for scripting, automation, or data analysis.

At Archer, we aim to attract, retain, and motivate talent with the skills and leadership needed to grow our business. We drive a pay-for-performance culture and reward performance that support the Company's strategy. For this position, we are targeting a base pay range of $144,000 - $198,000. Actual compensation offered will be determined by job-related knowledge, skills, and experience.

Archer is committed to working with and providing reasonable accommodations to job applicants with physical or mental disabilities, and those with sincerely held religious beliefs. Applicants who may require reasonable accommodation for any part of the application or hiring process should provide their name and contact information to Archer’s People Team at people@archer.com. Reasonable accommodations will be determined on a case-by-case basis.

What you'll do:

• Develop and validate the manufacturing processes and workflow for composite parts
• Assist in the design for tooling and fixtures required for manufacturing aerospace components
• Generate manufacturing bill of materials as required for the program
• Review drawings and 3D models to ensure they meet design intent
• Coordinate with external suppliers to ensure deliverables are met on schedule 
• Troubleshoot manufacturing issues that arise during development and lead root cause corrective actions
• Create process plans and work instructions for each component or system, ensuring the product is in compliance with standard aerospace quality standards
• Support manufacturing production planning and coordination, capacity planning, line design, production execution, and operations process development
• Disposition non-conforming parts, identify root cause, and implement corrective and/or preventive actions to reduce scrap and rework
• Perform continuous improvement to improve yield and reduce production costs
• Perform design reviews and provide technical input related to dynamic systems, assisting in the selection of manufacturing methods, materials, and quality and inspection requirements
• Establish and enforce best practices for critical aerospace components

What you'll need:

• Bachelor’s degree in aerospace engineering, mechanical engineering, or related field
• 5+ years of experience in manufacturing critical composite aerospace components
• Understanding of common methods used for composite part manufacture
• Ability to read engineering drawings and interpret CAD models
• CAD design experience (NX preferred)
• Knowledge of aerospace quality standards (AS9100, NADCAP)
• Understanding of non-destructive inspection methods
• Strong technical, written, and verbal communication skills

Bonus:

• Masters in aerospace engineering, mechanical engineering, or related field
• 12+ years of experience manufacturing rotor or propeller blades
• Hands-on involvement in manufacturing and repairs of rotor or propeller blades
• Prior involvement in FAA or military rotorcraft certification efforts for rotorcraft (FAA Part 27 and 29)
• Proficiency in Python and/or Matlab scripting 

This position will require travel up to 10% to Archer facilities or supplier facilities.

Archer is committed to working with and providing reasonable accommodations to job applicants with physical or mental disabilities, and those with sincerely held religious beliefs. Applicants who may require reasonable accommodation for any part of the application or hiring process should provide their name and contact information to Archer’s People Team at people@archer.com. Reasonable accommodations will be determined on a case-by-case basis.

What you’ll do:

• Design and build reliable automated test equipment to conduct functional tests on PCBAs or modules.
• Work together with Design Engineers, System Engineers, and Reliability Engineers to Identify design critical operating modes and create design validation test plans.
• Work with test technicians to build validation test setups and execute test plans and teardowns.
• Investigate device failures to determine root cause and drive product improvements.
• Identify and plan critical tests to validate new technologies.  

What you’ll need:

• Bachelor or MS degree in Electrical Engineering or equivalent experience.
• 2+ years of experience with physical testing and analysis of mechanical or electronic systems against detailed requirements. 
• 2+ years of direct automation design and build experience (automated testing, manufacturing, robotics, industrial etc.)
• Experience leading and driving technical projects to completion.
• Good understanding of electrical circuit design and  power electronics.
• Experience with Python and NI(LabVIEW, TestStand, or VeriStand).
• Experience with electrical test equipment, hand tools, power tools. 

Bonus Qualifications:

• 2+ years of experience with component, system, or vehicle validation testing (FAA DO160, Biomedical FDA testing, or equivalent.) 
• Good Electrical Engineering Background (active circuit design, power electronics, digital circuits, motor drives, signal measurement and conditioning)
• Experience working with interdisciplinary teams across an organization.
• Strong communicator and presenter of technical content.
• Experience using CAD software to create basic fixtures.
• Experience with HV systems and safety.
• Experience with integrated system communication protocols (CAN, Ethernet, RS485 etc.)

Archer is seeking an experienced Actuator Mechanical Development Manager to lead the design, integration, and validation of high-performance electromechanical actuators for flight-critical applications.  This role requires a deep understanding of actuator system architecture, dynamic modeling, and performance analysis, as well as multidisciplinary integration across electrical, controls, and thermal domains.  The ideal candidate is a hands-on technical leader with a strong foundation in mechanism design, high-reliability mechanical systems, and aerospace qualification processes—capable of driving concepts from requirements definition through flight-ready hardware on an aggressive schedule.

What You’ll Do

Design

• Lead a team of design and mechanical system engineers to design and develop high-performance, flight-critical electromechanical actuation systems from concept through production
• Own overall actuator mechanical design and integration of motors, geartrains, rolling-element screws, bearings, brakes, housings, sensors, and electronics
• Perform trade studies to optimize system architecture and mass while meeting performance and fault-tolerance requirements
• Create and review CAD models, drawings, and engineering specifications
• Develop actuator-system and detailed component specifications and requirements
• Build and maintain system-level models to validate actuator performance

Leadership

• Act as single point focal for custom actuation development
• Work side-by-side with program manager to development and maintain milestone and schedule strategies
• Develop strong relationships and work seamlessly with internal functional groups for custom motor, controller, and thermal designs
• Partner with peer design owners including actuator controller, flight controls, GNC, power systems, airframe, and software to deliver an optimized integrated system for the aircraft
• Drive cross-functional project teams, coordinating with manufacturing, quality, sourcing, and test engineering
• Lead design reviews and provide technical expertise for key decisions
• Lead by example through hands-on problem solving, engineering rigor, and accountability
• Demonstrate best practices in documentation, testing, and design validation
• Mentor and oversee junior engineers, fostering professional growth
• Collaborate with systems, safety, and reliability teams to inform DFMEA and ensure requirements are fully validated and understood
• Lead and oversee technical performance of partnerships and suppliers for varied levels of subassemblies and critical components
  
  

What You’ll Need

• Bachelor’s degree in Mechanical or Aerospace Engineering (or related field)
• 8+ years of experience in actuated mechanism or electromechanical system design
• Strong communication and presentation skills at any level within the organization
• Proven ability to take ownership of complex engineering problems through completion
• Demonstrated initiative in seeking out critical information and driving technical closure
• Experience in the majority of the following areas:

• • GD&T for mechanical systems
  • Kinematic analysis and optimization
  • Design for 14 CFR Part 23 systems compliance
  • Structural analysis using hand calculations and finite-element methods
  • Materials selection, including alloys, heat treatments, allowables, and surface finishes
  • Siemens NX CAD and Simcenter or ANSYS FEA tools
  • Rolling element bearing selection and sizing
  • Involute gear tooth design and analysis
  • Ball and/or lead screw design and analysis
  • Structural analysis (static, modal, buckling, and fatigue)
    
    

Bonus Qualifications

• Familiarity with PDM systems
• Project or program management experience
• Proficiency in MATLAB, Python, Mathcad, and/or LabVIEW
• Hands-on experience in a machine shop or with mechanical assembly (professional or hobby)
• Experience with RTCA DO-160, structural, or actuator mechanism testing
• Demonstrated interest in aviation, such as pilot training or license
• Experience in requirements management tools in the context of aerospace development processes.

At Archer, we aim to attract, retain, and motivate talent with the skills and leadership needed to grow our business. We drive a pay-for-performance culture and reward performance that support the Company's strategy. For this position, we are targeting a base pay range of $172,000 - $230,000. Actual compensation offered will be determined by job-related knowledge, skills, and experience.

Archer is committed to working with and providing reasonable accommodations to job applicants with physical or mental disabilities, and those with sincerely held religious beliefs. Applicants who may require reasonable accommodation for any part of the application or hiring process should provide their name and contact information to Archer’s People Team at people@archer.com. Reasonable accommodations will be determined on a case-by-case basis.

What you’ll do:

• Lead mechanical design of high power electrical assemblies like DCDC converters, chargers, and motor controllers from a blank sheet to complete design.
• Collaborate with other mechanical, systems, electrical, safety and manufacturing engineers to optimize your design for overall vehicle performance. 
• Solve electric propulsion design challenges like thermal management, HV electrical isolation, HV interconnects, shock and vibration survival, environmental sealing, electromagnetic interference, etc.
• Complete detailed design of components like plastic housings, sheet metal brackets, insulation systems, high voltage connectors, fasteners, structural supports, etc. 
• Analyze designs to ensure they meet requirements using heat transfer, thermal analysis, design for assembly, structural calculations, and failure mode analysis, etc.
• Develop engineering test plans for designs.
• Create assembly and component drawings and work with suppliers to manufacture your designs.
• Lead engineering prototype builds and design validation testing. 

What you need:

• Mechanical Engineering or equivalent degree.
• 4+ years of relevant Mechanical Design experience. 
• Demonstrated ability designing a high voltage electronic assembly from a blank sheet to production.  
• Strong mechanical design analytical skill in structural analysis, fluids, thermals, heat transfer, materials, etc.
• Strong 3D design experience and skill, preferably with NX. 
• Solid understanding of electrical design fundamentals.
• Basic Matlab or Python skill.
• Familiarity with thermal and structural finite element analysis methods and tools (STAR CCM, ANSYS, ICEPACK, COMSOL).
• Experience with GD&T, design for reliability, and design for manufacturing..
• Experience with product life management systems, including BOMs and engineering change orders.
• Experience with high volume manufacturing processes such as injection molding, stamping, soldering, welding, diecast, PCB fabrication, etc.

Bonus Qualifications: 

• Experience designing components for aerospace or automotive requirements
• Hands on experience with aviation DO-160G testing and DO-254 development
• Passion for aviation and eVTOLs

Archer is committed to working with and providing reasonable accommodations to job applicants with physical or mental disabilities, and those with sincerely held religious beliefs. Applicants who may require reasonable accommodation for any part of the application or hiring process should provide their name and contact information to Archer’s People Team at people@archer.com. Reasonable accommodations will be determined on a case-by-case basis.

We are looking for an experienced Test Engineer to join the Propulsion Team at Archer. This role will have a strong focus on the verification and testing of Archer’s internally-developed Propulsion Tilt-rotor system, which interfaces with the electric engines, and other electric actuation subsystems, as well as low voltage and high-voltage power distribution. This role will have to plan and execute testing at component-level as well as integrated system level. Having prior testing experience and capability of executing in complex test campaigns is a must.

What you’ll do:

• Gain a comprehensive understanding of the Propulsion system, including architecture as well the details of all subsystems and components. 
• Develop test plans to validate and verify the Archer Electric Engine Tilt-rotor system consisting of components involving electrical actuation components, and mechanisms. 
• Design and execute requirements-based verification tests on custom test-stands.
• Process test data, and prepare technical test reports.
• Investigate any emergent issues discovered during testing to determine root cause and drive product improvements.
• Develop and improve test stands, tooling.
• Collaborate with the Software development team, Systems engineering team, and Design teams.
• Support development and review of aircraft-level and system-level technical documentation such as manuals and procedures.
• Contribute to improving internal processes and tools.

What you need:

• Bachelor’s in Engineering, Mechanical, Aerospace, Electrical or related field.
• 3+ years of experience in testing highly-integrated safety-critical systems (aerospace, automotive or healthcare)
• Experience with requirements-based testing. 
• Experience with actuation control system design, and practical controls implementation.
• Familiarity with integrated system communication protocols (CAN, Ethernet, RS485 etc.) including debugging communication problems
• Experience with various test instrumentation devices (e.g. voltage, current, vibration, temperature measurement)
• Strong experience with signal processing and analysis
• Strong experience with python or matlab data processing and analysis
• Experience debugging test incidents and performing root cause failure analyses
• Basic working understanding of electrical circuit design, mechanical engineering, power electronics, motor drives
• Ensure testing is compliant with FAA, DoD, or other aircraft standards
• Excellent organizational and communication skills
• Exhibits ownership with an ability to thrive within ambiguity

Bonus qualifications

• Experience executing formal Validation and Verification activities in a civil aerospace program. 
• Prior experience with hydraulic loading actuators.  
• Experience with Python, MATLAB, National Instruments, or other data acquisition and analysis software.
• Experience with integrated system communication protocols (CAN, Ethernet, RS485 etc.)
• Experience with High Voltage systems and safety

Archer is committed to working with and providing reasonable accommodations to job applicants with physical or mental disabilities, and those with sincerely held religious beliefs. Applicants who may require reasonable accommodation for any part of the application or hiring process should provide their name and contact information to Archer’s People Team at people@archer.com. Reasonable accommodations will be determined on a case-by-case basis.

In the Sr. Electric Engine Systems Engineer role, you will drive the Airborne Electronic Hardware (AEH) systems lifecycle for Archer’s electric propulsion units (EPU). This position bridges the gap between detailed power electronics design and aircraft-level certification. You will be responsible for defining requirements, managing the DO-254 compliance process, and executing rigorous verification and validation (V&V) campaigns for high-voltage inverters and motor control hardware. Your work ensures that our electric engines meet the stringent safety factors, environmental durability, and functional performance required for Part 33/Part 23 certification.

What You’ll Do:

• Requirements & Architecture:
• Partner with hardware designers to decompose aircraft-level functions into verifiable hardware requirements for inverters, gate drivers, and motor control logic.
• Manage requirements traceability using Polarion or DOORS, ensuring full coverage for safety-critical functions.
• Define robust hardware-to-software and hardware-to-mechanical interface control documents (ICDs).
• Process & Certification:
• Generate and maintain AEH certification artifacts as required by DO-254 (Plan for Hardware Aspects of Certification, Hardware Design Plan, Hardware Accomplishment Summary).
• Coordinate with Designated Engineering Representatives (DERs) to review compliance data and substantiate design assurance levels (DAL A/B).
• Lead critical design reviews (PDR, CDR, TRR) and ensure design decisions are justified via analysis and documented for certification.

What You Need:

• Bachelor’s or Master’s degree in Electrical Engineering, Systems Engineering, or related field.
• 5+ years of experience in hardware systems engineering, V&V, or AEH qualification in aerospace or similarly regulated industries (automotive ISO 26262).
• Deep technical understanding of power electronics, PMAC motor control, and inverter topologies.
• Demonstrated experience planning and executing environmental and functional testing (DO-160, MIL-STD-810, or automotive equivalents).
• Proficiency with requirements management tools (Polarion, DOORS, Jama).
• Strong knowledge of DO-254 design assurance lifecycles and structured verification methodologies.
• Ability to interpret complex circuit schematics and perform root cause analysis on test failures.
• Excellent technical communication skills for interfacing with regulatory authorities and cross-functional design teams.

Bonus Qualifications

• Direct experience certifying Engines under 14 CFR Part 33.
• Experience setting up or operating high-power dynamometers and HIL test benches.
• Knowledge of SAE ARP4754A (Systems Development) and ARP4761 (Safety Assessment/FMEA/FTA).

At Archer we aim to attract, retain, and motivate talent that possess the skills and leadership necessary to grow our business. We drive a pay-for-performance culture and reward performance that supports the Company’s business strategy. For this position we are targeting a base pay between $140,000 - $195,000. Actual compensation offered will be determined by factors such as job-related knowledge, skills, and experience.

Archer is committed to working with and providing reasonable accommodations to job applicants with physical or mental disabilities, and those with sincerely held religious beliefs. Applicants who may require reasonable accommodation for any part of the application or hiring process should provide their name and contact information to Archer’s People Team at people@archer.com. Reasonable accommodations will be determined on a case-by-case basis.

We are seeking a highly skilled Propulsion Controls Engineer to design, develop, and optimize control systems for our advanced electric propulsion and power generation systems. The successful candidate will play a critical role in bringing safe, sustainable, and scalable urban air mobility to life through innovative propulsion control technologies.

What you'll do:

• Design, implement, and validate advanced motor/generator control algorithms for electric propulsion systems, including sensorless and observer-based control techniques.
• Develop interfaces between flight control computers, motor/generator inverters, propulsion controls, and battery management systems.
• Coordinate with aerodynamics, structures, and flight controls teams to optimize integrated propulsion system performance.
• Create and maintain control system architectures, including hardware-in-the-loop (HIL) testing environments and plant model development for motor/generator systems.
• Design redundant fault detection, isolation, and recovery systems for safe flight operations, including motor/generator fault handling.
• Conduct rigorous system-level testing and validation of motor control algorithms and observers.
• Perform hardware-in-the-loop and iron-bird testing for flight-critical systems, focusing on motor/generator system performance and safety.
• Support flight testing activities and data analysis for control system validation across the operational envelope.
• Collaborate with flight test team to validate propulsion performance across flight envelope.
• Ensure compliance with DO-178C (software), DO-254 (hardware), and other applicable aviation standards.
• Maintain rigorous configuration management of flight-critical control system software.
• Develop control strategies and algorithms for electric actuators and ancillary propulsion systems.

What you'll need:

• 2+ years of experience in aircraft propulsion systems, high-performance electric motor control, flight controls, electric vehicle powertrains, or energy storage systems.
• Extensive experience with advanced motor control algorithms (e.g., FOC, DTC, observers, sensorless control) and multi-motor control architectures preferred.
• Background in flight-critical or safety-critical system development.
• Expert-level proficiency in control integration, state machine design, high-voltage systems, and fault-tolerant control.
• Expert proficiency with system modeling, control system simulation, and plant model development for electric machines (motors/generators).
• Proficiency with MATLAB/Simulink, C/C++ for real-time embedded control systems, and Python for analysis.
• Knowledge of battery management systems and high-voltage safety.
• Experience with system hardware bring-up, HIL testing, and integration of motor/generator drive systems.

Archer is committed to working with and providing reasonable accommodations to job applicants with physical or mental disabilities, and those with sincerely held religious beliefs. Applicants who may require reasonable accommodation for any part of the application or hiring process should provide their name and contact information to Archer’s People Team at people@archer.com. Reasonable accommodations will be determined on a case-by-case basis.