About Epirus 

Epirus is a high-growth technology company dedicated to overcoming the asymmetric challenges inherent to the future of national security. Epirus' flagship product, Leonidas, is a software-defined system built using intelligent power management techniques which allow power-hungry systems to do more with less. 

Job Summary 

Epirus is seeking a Technical Trainer to develop and deliver high-‑quality training programs and technical documentation for our products and services. In this midlevel role, you will write operations and maintenance manuals, create engaging curriculum and learning content, and provide instructor-led‑training to customers. You will work closely with engineers, developers, and SMEs to ensure accuracy, clarity, and compliance with program and requirements. 

This position is ideal for someone with strong technical writing and training experience who enjoys translating complex material into practical, user-friendly learning resources. 

Responsibilities 

• Contribute to the design and development of customer training programs and support plans across on‑site and virtual formats. 
• Create and maintain training materials, technical documentation, lesson plans, and multimedia learning assets using modern tools and technologies. 
• Author, edit, and update technical manuals (IETMs, user guides, service manuals) and learning materials for diverse audiences. 
• Develop learning paths aligned with instructional system design (ISD) practices and customer requirements under the guidance of senior team members. 
• Deliver and coordinate instructor-led‑ technical training, including classroom instruction, maintenance tasks, system operations, troubleshooting, and sustainment activities. 
• Support New Equipment Training (NET) efforts and assist in developing and maintaining an internal instructor certification program. 
• Collect and analyze feedback and performance metrics to evaluate training effectiveness and recommend improvements. 
• Ensure training deliverables meet compliance standards and readiness requirements before system deployment. 
• Research and organize technical information from SMEs, engineering artifacts, and product sources to enhance training content. 
• Review and update documentation and training materials to reflect hardware/software changes or process improvements. 
• Participate in engineering, production, or maintenance meetings to track updates and determine impacts on training. 
• Translate complex technical concepts into clear, user-friendly language while maintaining accuracy and compliance. 
• Collaborate with SMEs, customers, and internal teams to refine and improve instructional materials. 
• Assist in building and maintaining a training and certification program for internal Field Operations resources. 

Basic Qualifications 

• U.S. Citizen with the ability to obtain a Secret Clearance. 
• Bachelor’s degree in a related field (or equivalent experience), with typically a minimum of 5 years of previous experience, including in technical training, technical writing, instructional design, or a related discipline. 
• Hands-on experience authoring technical content such as procedures, manuals, or training materials for complex systems. 
• Experience creating or supporting curriculum for instructor-led and blended-learning environments. 
• Ability to learn new technical systems, gather information from SMEs, and translate complex material into clear instructional content. 
• Strong communication skills and experience delivering instructor-led training. 
• Ability to work independently and collaboratively across cross-functional and virtual teams. 
• Ability to follow established standards, style guides, and quality requirements. 
• Ability to work in varied environments, including outdoor or industrial settings, with PPE as needed. 
• Proficiency with Excel for data tracking, reports, and training metrics. 
• This position may require domestic travel up to 50%. 
• This position may require overseas travel. Candidates should be willing to be on travel / TDY away from their home location 90–120-day durations, in hazardous duty locations. 
• Typical overseas assignments are frequently performed in both internal and external environments with a variety of weather conditions.  

Preferred Skills and Experience 

• Familiarity with military learning models or training standards (TECOM, TRADOC, NETC), or interest in learning these frameworks. 
• Experience developing lesson files, IETM-style documentation, and interactive learning assets. 
• Experience delivering training on mechanical, electrical, RF, or software-driven systems. 
• Strong interpersonal skills for engaging students, SMEs, and customers. 
• Ability to gather technical information from engineering documentation and product sources. 
• Exposure to field service, system operations, or maintenance. 
• Experience operating or maintaining Air Defense Artillery systems is a plus.  
• Proficiency with Jira and Confluence for documentation management, workflow coordination, and cross-team collaboration. 

ITAR REQUIREMENTS:  

To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.   

At Epirus, you’ll work with technical peers and great people—and get first crack at some of the defining technology challenges of our time. Here, “impossible” is just a challenge. We're a diverse, fast-growing team of change-makers fueling the future of energy with revolutionary solutions. Join us and rewrite the rules. 

About Epirus 

Epirus is a high-growth technology company dedicated to overcoming the asymmetric challenges inherent to the future of national security. Epirus' flagship product, Leonidas, is a software-defined system built using intelligent power management techniques which allow power-hungry systems to do more with less.  

Job Summary: 

The Field Service Representative III (FSR III) is a senior-level technician providing advanced technical, operational, and training support for Epirus HPM-CUAS systems. FSR IIIs act as the technical lead during field operations and deployments, conduct detailed system diagnostics, and interface directly with program offices and engineering teams. This position combines hands-on expertise with leadership, mentorship, and customer-facing responsibilities. 

Responsibilities:  

• Lead installation, commissioning, and sustainment of deployed systems. 
• Conduct advanced fault isolation, software configuration, and system-level troubleshooting. 
• Serve as primary field point-of-contact for customer operations and mission support. 
• Deliver New Equipment Training (NET) and mentorship to junior FSRs. 
• Provide detailed feedback to engineering and logistics for continuous product improvement. 
• Support operational assessments, testing, and extended OCONUS deployments. 

Basic Qualifications: 

• Typically requires a minimum of 5 years of related experience with a Bachelor’s degree; or 3 years and a Master’s degree; or a PhD without experience; or equivalent work experience. 
• Proven experience supporting complex defense or communications systems. 
• Ability to lead small teams in remote or austere environments. 
• Active Secret clearance: TS/SCI eligibility preferred. 

Preferred Skills and Experience: 

• Hands-on experience with counter-UAS or directed energy systems. 
• Strong leadership and mentoring ability. 
• Experience developing field procedures, checklists, or technical documentation. 
• FAA Part 107 certification (or willingness to obtain). 
• Routine manual lifting of objects 50-80 pounds such as boxes and other equipment. Perform work in unusual and sometimes difficult positions such as climbing ladders; high lift equipment up to 40 feet, crawl spaces, above ceilings, etc. Manual dexterity required for frequent reaching, climbing, and lifting of moderate objects, operation of power and manual tools/equipment, and operating office equipment. 
• Typical overseas assignments are frequently performed in both internal and external environments with a variety of weather conditions. Ability to work under extreme hot or cold weather conditions with exposure to dust or dirt is routine and may require the use of protective personal equipment (PPE). 
• This position will require overseas travel. Candidates should be willing to be on travel / TDY away from their home location 90 – 120-day durations, in hazardous duty locations. 
• FAA Part 107 certification 

ITAR REQUIREMENTS:  

• To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.   

At Epirus, you’ll work with technical peers and great people—and get first crack at some of the defining technology challenges of our time. Here, “impossible” is just a challenge. We're a diverse, fast-growing team of change-makers fueling the future of energy with revolutionary solutions. Join us and rewrite the rules. 

About Epirus

Epirus is a high-growth technology company dedicated to overcoming the asymmetric challenges inherent to the future of national security. Epirus' flagship product, Leonidas, is a software-defined system built using intelligent power management techniques which allow power-hungry systems to do more with less.  

Job Summary:

We are seeking a capable and motivated UAS Program Pilot Technician to join our Field Operations and Sustainment team. This is a single-person role responsible for fleet readiness, shop organization, mission support, aircraft maintenance, and field deployment support across a mixed fleet of COTS and custom UAS platforms. 

This role supports DJI, Autel, and other COTS drones, custom rotary-wing Class 1–3 aircraft running ArduPilot firmware, and fixed-wing Class 1–2 aircraft running ArduPilot firmware. The ideal candidate brings strong piloting and technician skills, is comfortable operating independently, and can support the full life cycle of drone systems from bench integration and repair to flight testing and field operations. In addition to core UAS responsibilities, this role may also support field operations as a Field Service Representative (FSR) for deployed Epirus systems. 

Responsibilities: 

• Operate, configure, and pilot a diverse fleet of unmanned aircraft systems (UAS) in manual, assisted, and autonomous modes for testing, training, and field operations, including mission planning and aircraft configuration using UGCS, Mission Planner, QGroundControl, Betaflight, and DJI software tools. 
• Build, repair, and modify UAS airframes (payload integrations, wiring, harnesses, connectors, power systems, and support equipment), including performing diagnostics, fault isolation, bench testing, soldering, component replacement, wire‑harness fabrication, and return‑to‑service verification. 
• Configure, tune, and troubleshoot COTS and Pixhawk/Cube‑class flight controllers, ESCs, RF links, and telemetry systems, while maintaining fleet readiness through inspections, preventive maintenance, firmware updates, parameter management, configuration control, and accurate maintenance records. 
• Organize and maintain the UAS shop, including tools, spares, batteries, chargers, radios, support equipment, and overall workspace readiness. 
• Support flight test setup, data collection, deployment preparation, and continuous improvement of procedures, checklists, and technical documentation. 
• Support and troubleshoot control, RF, and telemetry systems including TBS, ELRS, FrSky, RadioMaster TX/RX, RFD900, DragonLink, and Kahuna WiFi modules. 
• Additional Field Support responsibilities as required: 
• Travel domestically or overseas on short notice for field deployments, including hazardous duty locations, for 90–120-day durations as mission needs require, to perform technical inspections, system checks, fault diagnosis, Line Replaceable Unit (LRU) replacement, testing, and restoration of HPM-CUAS systems to full functionality. 
• Work with the training and enablement team to help develop and deliver training on the proper care, use, maintenance, and preventive maintenance of systems. 
• Maintain readiness kits, spares, and tools necessary for field deployments and represent Epirus professionally during high-visibility events with government and defense partners. 

Basic Qualifications:

• 4+ years of experience in UAS operations, maintenance, flight testing, or engineering integration roles. 
• Demonstrated ability to pilot multirotor and fixed-wing aircraft and support autonomous flight operations. 
• Hands-on experience with ArduPilot and strong working knowledge of PX4, Betaflight, or related autopilot ecosystems. 
• Strong familiarity with UAS command and control architectures, RF links, GPS/telemetry systems, and field troubleshooting. 
• Practical electronics skillset including soldering, harness building, connector repair, diagnostics, and component-level replacement. 
• Ability to independently manage fleet upkeep, shop order, maintenance priorities, and day-to-day readiness for a one-person program support role. 
• Ability to travel up to 50%, including short-notice deployments to military ranges, test sites, or operational locations. 

Preferred Skills and Experience:

• Bachelor’s degree in Engineering, Computer Science, a related technical field, or equivalent hands-on experience. 
• FAA Part 107 Remote Pilot Certificate. 
• Experience supporting defense, field test, or government-sponsored UAS demonstrations and deployments. 
• Familiarity with counter-UAS technologies, RF systems, directed energy effects, or broader C2 integration environments. 
• Experience training operators or maintainers and working independently in high-tempo, dynamic environments with minimal oversight.  

ITAR REQUIREMENTS:  

To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.   

At Epirus, you’ll work with technical peers and great people—and get first crack at some of the defining technology challenges of our time. Here, “impossible” is just a challenge. We're a diverse, fast-growing team of change-makers fueling the future of energy with revolutionary solutions. Join us and rewrite the rules. 

About Epirus

Epirus is a high-growth technology company developing solid-state, software-defined directed energy systems that enable unprecedented counter-electronics effects and power management solutions to optimize power efficiency in defense and commercial applications. With a constant emphasis on innovation, we are redefining the future of power to bring tomorrow’s capabilities to life, today. And that’s just the beginning.

Job Summary: Epirus is seeking a Field Service Engineer (FSE) III with the ability to provide advanced technical support, troubleshooting, and operational oversight in support of Epirus High Power Microwave Counter Unmanned Aerial Systems (HPM-CUAS). This individual will work as a member of a small team with a primary focus on the maintenance, training support and sustainment of fielded HPM assets. The FSE will directly support the maintenance of the fielded HPM-CUAS equipment, re-installation of Line repairable units (LRUs), training, integration, and sustainment of these solutions with existing client infrastructure at CONUS and OCONUS locations. Candidate will provide hands-on support for HPM-CUAS technical, network, and integration projects. This role requires hands-on expertise in electrical, mechanical, and software systems, as well as the ability to work in high-pressure situations supporting defense operations. 

This position requires a high degree of technical skill, personal resilience and flexibility, strong interpersonal skills, and the ability to work as part of a cross-functional team in a variety of physical environments. 

Responsibilities:

• Work closely with engineering teams to provide feedback on system performance and potential design improvements. 
• Coordinate with project managers, logistics personnel, and customers to ensure timely resolution of issues. 
• Conduct install/uninstall of HPM-CUAS systems in a variety of locations / environmental conditions to support client operations, test and evaluations, Tactics, Techniques and Procedure (TTP) / Doctrine development, and New Equipment Training (NET) courses. 
• Make recommendations on equipment modifications/upgrades based on experience gained through testing and operational use of HPM-CUAS systems. 
• Deploy overseas locations to perform technical inspections, system checks, fault diagnosis, identify cause of failures, and replace Line Repairable Unit (LRU), test and restore HPM-CUAS systems to full functionality. 
• Conduct advanced programming of HPM-CUAS systems (install/upgrade firmware, software upgrades, etc.). 
• Work with the Epirus training and enablement team to develop and conduct training on the proper care, use, maintenance, and preventive maintenance of systems. 
• Work closely with engineering teams to provide feedback on system performance and potential design improvements.

Basic Qualifications: 

• Bachelor’s degree in Electrical Engineering, Mechanical Engineering, Physics, or a related technical field AND minimum 5 years of related experience (or 3 years and a Master’s degree). 
• Proficiency in troubleshooting and repair of electronic and mechanical systems. 
• Knowledge of high-power RF generation, wave propagation, and directed energy principles. 
• Familiarity with test equipment (oscilloscopes, spectrum analyzers, RF power meters, etc.). 
• Strong technical writing and verbal communication skills. 
• Ability to provide technical advice and guidance on installation, adaptation, configuration and/or enhancement of company technical products, programs, and systems. 
• Candidate must hold a valid U.S. passport or have the ability to obtain a U.S. passport. 
• Military experience with CUAS Systems (RF Detection, Radar, EO/ IR Optical systems, Command and Control (C2) Systems.  
• Experience working in field operations, including deployment in austere or challenging environments. 
• Experience working independently or as a team member to solve project and/or engineering problems. 
• Ability to use and communicate a wide variety of technical data from OEM manuals, engineering drawings, etc. to engineers as well as to non-technical system end users. 
• The position requires daily interaction with customers at multiple levels.  
• Candidate must possess and use a high degree of tact and interpersonal communication skills in daily interactions with team members, clients, vendors, and end users.
• This position requires the ability to obtain and maintain a SECRET security clearance, which is issued by the U.S. government. U.S citizenship is required to obtain a security clearance

Preferred Skills and Experience:

• Previous experience with HPM or other directed energy systems. 
• Certification in RF safety or related disciplines. 
• Military background or experience working with defense contractors. 
• Routine manual lifting of objects 50-80 pounds such as boxes and other equipment. Perform work in unusual and sometimes difficult positions such as climbing ladders; high lift equipment up to 40 feet, crawl spaces, above ceilings, etc. Manual dexterity required for frequent reaching, climbing, and lifting of moderate objects, operation of power and manual tools/equipment, and operating office equipment. 
• Typical overseas assignments are frequently performed in both internal and external environments with a variety of weather conditions. Ability to work under extreme hot or cold weather conditions with exposure to dust or dirt is routine and may require the use of protective personal equipment (PPE). 
• This position will require overseas travel. Candidates should be willing to be on travel / TDY away from their home location 90 – 120-day durations, in hazardous duty locations. 
• FAA Part 107 certification 

ITAR REQUIREMENTS: 

• To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.  

People are the most important part of Epirus – and always come first. We don’t believe in the word impossible and are always asking “why not” as work to usher in a new paradigm of power efficiency. Our fast-growing team is agile, creative, and innovative. We support a culture of constant learning and sense of belonging among our team members and know that mentorship matters. We embrace diversity, equity, and inclusion in the workplace and beyond. To deliver on our mission, we are always looking for problem solvers, changemakers and innovators to join our fast-growing team.