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Senior Product Integration Engineer (Mechanical/Automotive)

Harbinger Motors Inc. · Garden Grove, CA

Chassis and Structures Garden Grove Posted May 7, 2026

About Harbinger

Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbinger’s best-in-class team of EV, battery, and drivetrain experts have pooled their deep experience to bring a first-of-its-kind EV platform to support the growing demand for medium-duty EVs and Hybrids. Harbinger: Familiar Form, Revolutionary Foundation.

Role Overview

As the Senior Product Integration Engineer at Harbinger, you will drive the physical and functional integration of the entire vehicle. Operating within our dynamic startup environment, you will ensure that diverse subsystems—from powertrain to interior trim—fit, function, and are fully manufacturable. You will take complete ownership of the Digital Mock-Up (DMU) and actively manage the master CAD assembly.

Key Responsibilities

Master Assembly Management: Lead the integration of all vehicle subsystems within CATIA V6, ensuring spatial compliance, clearance requirements, and interface integrity.
PLM Architecture: Manage the product structure, lifecycle states, and engineering changes within ENOVIA. Ensure all engineering data is accurate, accessible, and strictly maintained.
Clash & Clearance Analysis: Perform rigorous DMU reviews to identify packaging conflicts early in the development cycle. Work directly with Lead Engineers to resolve physical interferences.
Interface Control: Define and manage Interface Control Documents (ICDs) between hardware modules (e.g., establishing critical mounting strategies between the battery pack and chassis).
Mass & Weight Management: Track, analyze, and report on vehicle mass properties, center of gravity, and weight distribution.
Cross-Functional Engineering: Act as the technical liaison among Design, Engineering, and Manufacturing teams to ensure the virtual design translates successfully to physical production.
Variant Strategy & Control: Define and manage the 150% Master Product Structure within ENOVIA. Ensure that all vehicle variants (options, regional requirements, and trim levels) are logically organized and selectable.
Effectivity Management: Implement and oversee "Evolution" and "Variant" effectivity. Ensure the correct parts are associated with specific VIN configurations and production schedules.
Option Code Logic: Collaborate with Product Management to translate marketing and sales requirements into technical Option Codes and configuration rules within the PLM environment.
Configured DMU Validation: Validate the CAD assemblies for every possible build combination. Ensure that selecting distinct options does not create physical interference with standard components.
BOM Transformation: Manage the relationship between the Engineering Bill of Materials (EBOM) and the Sales/Manufacturing configurations to maintain seamless data flow across departments.

Required Technical Skills

CATIA V6 / 3DEXPERIENCE: Advanced proficiency in 3D modeling, with critical experience in Large Assembly Management.
ENOVIA PLM: Deep understanding of ENOVIA architecture, including BOM management, part numbering schemes, and release workflows.
Automotive Packaging: Proven experience in vehicle architecture, occupant packaging, and legal/regulatory clearance requirements (e.g., vision zones, tire envelopes).
GD&T Proficiency: Strong grasp of Geometric Dimensioning and Tolerancing to validate component fitment during physical assembly.

Qualifications

Education: Bachelor’s degree in Mechanical Engineering, Automotive Engineering, or a related discipline.
Experience: 3–6+ years in automotive product integration, packaging, or systems engineering.
Software: Verifiable professional experience using CATIA V6/3DEXPERIENCE in a complex, collaborative environment.

Key Benefits & Perks:

Comprehensive Health, Dental & Vision (HDV) – 100% employee covered
Early-stage Stock Options
Robust Retirement Savings (401k, HSA, FSA)
Generous Paid Time Off (PTO) & Parental Leave
Annual Vacation Bonus
Wellness & Fertility Benefits
Cell Phone Stipend
Complimentary Meals & Stocked Kitchens

California Pay Range

$140,000—$160,000 USD

Equal Opportunity

Harbinger is an equal opportunity employer and complies with all applicable federal, state, and local fair employment practices laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, ancestry, sex, sexual orientation, gender, gender expression, gender identity, genetic information or characteristics, physical or mental disability, marital/domestic partner status, age, military/veteran status, medical condition, or any other characteristic protected by law.

Harbinger is committed to ensuring that our hiring process is accessible for persons with disabilities. If you have a disability or limitation, such as those covered by the Americans with Disabilities Act, that requires accommodations to assist you in the search and application process, please email us at info@harbingermotors.com.

Candidate Data Privacy

Harbinger may collect, use and disclose your personal information or personal data (within the meaning of the applicable data protection laws) when you apply for employment and/or participate in our recruitment processes (“Candidate Personal Data”). This data includes contact, demographic, communications, educational, professional, employment, social media/website, network/device, recruiting system usage/interaction, security and preference information. Harbinger may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law.

Harbinger may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our HR, legal, and finance teams, and the team(s) with the position(s) for which you are applying; (ii) Harbinger affiliates; and (iii) Harbinger’s service providers, including providers of background checks, staffing services, and cloud services.

Harbinger may transfer or store internationally your Candidate Personal Data, including to or in the United States, Canada, the United Kingdom, and the European Union and in the cloud, and this data may be subject to the laws and accessible to the courts, law enforcement and national security authorities of such jurisdictions.

Please note that we are currently not accepting applications from third party application services. Any unsolicited resumes or candidate profiles submitted in response to our job posting shall be considered the property of Harbinger and are not subject to payment of referral or placement fees if any such candidate is later hired by Harbinger unless you have a signed written agreement in place with us which covers the applicable job posting.

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Chassis Engineer, Suspension

Harbinger Motors Inc. · Garden Grove, CA

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Chassis and Structures Garden Grove Posted Apr 6, 2026

About Harbinger

Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbinger’s best-in-class team of EV, battery, and drivetrain experts have pooled their deep experience to bring a first-of-its-kind EV platform to support the growing demand for medium-duty EVs and Hybrids. Harbinger: Familiar Form, Revolutionary Foundation.

Role Overview

As a Chassis Engineer, Suspension, you will be a foundational member of the engineering team at Harbinger, responsible for the design and delivery of high-performance mechanical suspension systems for our next-generation medium-duty electric vehicle platform. This role spans the entire product lifecycle—from initial benchmarking and architectural definition for front and rear axles to the final release of production-ready components. You will ensure that our electric vans and pickup trucks deliver industry-leading durability, safety, and ride quality while meeting the unique demands of heavy-battery packaging and commercial duty cycles.

Key Responsibilities

System Architecture: Define the mechanical suspension architecture for front and rear axles, ensuring seamless integration with electric drivetrains.
Design & Development: Transition suspension components from early concept through to fully manufacturable parts, including detailed packaging, layout, and refinement.
Benchmarking: Analyze the medium-duty segment to understand and exceed existing mechanical suspension standards for EVs and commercial trucks.
Technical Specifications: Translate vehicle-level requirements into granular component specifications and supplier-facing requirements.
Validation & Testing: Define and execute the Design Validation Plan (DVP), ensuring system safety and functionality with comprehensive reporting.
Supplier Management: Lead automotive suppliers through the Design for Manufacturing (DFM) process, overseeing part delivery, quality reports, and production milestones.
Documentation: Release complete engineering drawings and maintain a rigorous project issue list to ensure program milestones are met.

Required Skills & Experience

Education: * Master’s degree in Mechanical Engineering (or a related field) + 5 years of relevant experience.

OR Bachelor’s degree + 7 years of relevant experience.

Suspension Design: At least 5 years of experience in automotive suspension design specifically for commercial applications or pickup trucks.
EV Specialization: 5+ years of experience designing suspension systems specifically for electric or hybrid vehicles, with a deep understanding of EV-specific load paths.
CAD Mastery: Expert-level proficiency in CATIA v5 and/or v6, specifically for suspension kinematics modeling and clearance checking.
Manufacturing Expertise: Strong background in forging and casting design with a proven track record of launching multiple parts into production.
Load Path Analysis: Expert understanding of suspension load paths, static/dynamic loads, and the interplay between moving and rotating components.
Travel: Willingness to travel up to 20% domestically for supplier visits and testing.

Preferred Qualifications

Kinematic Automation: Experience developing CATIA v6 macros to automate and report clearances across a full range of suspension travel.
End-to-End Delivery: Demonstrated "cradle-to-grave" product development experience, taking chassis components from a blank sheet to mass production.
Systems Engineering: Strong ability to set high-level design requirements for complex assemblies and drive resolutions for multi-disciplinary technical issues.
Commercial Acumen: Familiarity with the specific durability and payload requirements of the medium-duty delivery and logistics sector.

Key Benefits & Perks:

Comprehensive Health, Dental & Vision (HDV) – 100% employee covered
Early-stage Stock Options
Robust Retirement Savings (401k, HSA, FSA)
Generous Paid Time Off (PTO) & Parental Leave
Annual Vacation Bonus
Wellness & Fertility Benefits
Cell Phone Stipend
Complimentary Meals & Stocked Kitchens

California Pay Range

$110,000—$140,000 USD

Equal Opportunity

Harbinger is an equal opportunity employer and complies with all applicable federal, state, and local fair employment practices laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, ancestry, sex, sexual orientation, gender, gender expression, gender identity, genetic information or characteristics, physical or mental disability, marital/domestic partner status, age, military/veteran status, medical condition, or any other characteristic protected by law.

Harbinger is committed to ensuring that our hiring process is accessible for persons with disabilities. If you have a disability or limitation, such as those covered by the Americans with Disabilities Act, that requires accommodations to assist you in the search and application process, please email us at info@harbingermotors.com.

Candidate Data Privacy

Harbinger may collect, use and disclose your personal information or personal data (within the meaning of the applicable data protection laws) when you apply for employment and/or participate in our recruitment processes (“Candidate Personal Data”). This data includes contact, demographic, communications, educational, professional, employment, social media/website, network/device, recruiting system usage/interaction, security and preference information. Harbinger may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law.

Harbinger may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our HR, legal, and finance teams, and the team(s) with the position(s) for which you are applying; (ii) Harbinger affiliates; and (iii) Harbinger’s service providers, including providers of background checks, staffing services, and cloud services.

Harbinger may transfer or store internationally your Candidate Personal Data, including to or in the United States, Canada, the United Kingdom, and the European Union and in the cloud, and this data may be subject to the laws and accessible to the courts, law enforcement and national security authorities of such jurisdictions.

Please note that we are currently not accepting applications from third party application services. Any unsolicited resumes or candidate profiles submitted in response to our job posting shall be considered the property of Harbinger and are not subject to payment of referral or placement fees if any such candidate is later hired by Harbinger unless you have a signed written agreement in place with us which covers the applicable job posting.

Ready to apply?

Apply to Harbinger Motors Inc.

Harbinger Motors Inc.

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Sr. Mechanical Engineer, Frame and Cab

Harbinger Motors Inc. · Garden Grove, CA

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Chassis and Structures Garden Grove Posted Mar 19, 2026

About Harbinger

Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbinger’s best-in-class team of EV, battery, and drivetrain experts have pooled their deep experience to bring a first-of-its-kind EV platform to support the growing demand for medium-duty EVs and Hybrids. Harbinger: Familiar Form, Revolutionary Foundation.

Role Overview

The Senior Design & Release Engineer will lead the architecture of the frame and cab interface systems. You will be the technical authority for the primary structure, balancing the competing needs of vehicle dynamics and crash safety. This role requires a strategic thinker who can mentor junior engineers while managing high-level program milestones.

Key Responsibilities

Lead the end-to-end design and release of the primary ladder frame and cab mounting systems using CATIA V5/V6.
Define system-level requirements and technical specifications for the chassis platform.
Directly interface with CAE (Computer-Aided Engineering) teams to iterate on frame stiffness, NVH (Noise, Vibration, and Harshness), and durability.
Drive the sourcing process by evaluating supplier technical capabilities and managing technical reviews (DFMEA/PFMEA).
Optimize the chassis for "Skateboard" architecture, ensuring seamless integration of the e-axle and battery modules.

Qualifications

B.S. or M.S. in Mechanical Engineering.
8+ years of automotive experience, specifically in chassis, frames, or body-in-white (BIW).
Expert-level mastery of CATIA V6 (3DEXPERIENCE) and PLM systems (Enovia/Teamcenter).
Proven track record of taking complex mechanical systems from "blank page" concept through Start of Production (SOP).
Deep knowledge of automotive materials (High-Strength Steels, Aluminum) and joining methods (MIG welding, SPR, structural adhesives).

Key Benefits & Perks:

Comprehensive Health, Dental & Vision (HDV) – 100% employee covered
Early-stage Stock Options
Robust Retirement Savings (401k, HSA, FSA)
Generous Paid Time Off (PTO) & Parental Leave
Annual Vacation Bonus
Wellness & Fertility Benefits
Cell Phone Stipend
Complimentary Meals & Stocked Kitchens

California Pay Range

$140,000—$160,000 USD

Equal Opportunity

Harbinger is an equal opportunity employer and complies with all applicable federal, state, and local fair employment practices laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, ancestry, sex, sexual orientation, gender, gender expression, gender identity, genetic information or characteristics, physical or mental disability, marital/domestic partner status, age, military/veteran status, medical condition, or any other characteristic protected by law.

Harbinger is committed to ensuring that our hiring process is accessible for persons with disabilities. If you have a disability or limitation, such as those covered by the Americans with Disabilities Act, that requires accommodations to assist you in the search and application process, please email us at info@harbingermotors.com.

Candidate Data Privacy

Harbinger may collect, use and disclose your personal information or personal data (within the meaning of the applicable data protection laws) when you apply for employment and/or participate in our recruitment processes (“Candidate Personal Data”). This data includes contact, demographic, communications, educational, professional, employment, social media/website, network/device, recruiting system usage/interaction, security and preference information. Harbinger may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law.

Harbinger may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our HR, legal, and finance teams, and the team(s) with the position(s) for which you are applying; (ii) Harbinger affiliates; and (iii) Harbinger’s service providers, including providers of background checks, staffing services, and cloud services.

Harbinger may transfer or store internationally your Candidate Personal Data, including to or in the United States, Canada, the United Kingdom, and the European Union and in the cloud, and this data may be subject to the laws and accessible to the courts, law enforcement and national security authorities of such jurisdictions.

Please note that we are currently not accepting applications from third party application services. Any unsolicited resumes or candidate profiles submitted in response to our job posting shall be considered the property of Harbinger and are not subject to payment of referral or placement fees if any such candidate is later hired by Harbinger unless you have a signed written agreement in place with us which covers the applicable job posting.

Ready to apply?

Apply to Harbinger Motors Inc.

Harbinger Motors Inc.

View all jobs →

Mechanical Engineer, Frame and Cab

Harbinger Motors Inc. · Garden Grove, CA

Apply now

Chassis and Structures Garden Grove Posted Mar 19, 2026

About Harbinger

Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbinger’s best-in-class team of EV, battery, and drivetrain experts have pooled their deep experience to bring a first-of-its-kind EV platform to support the growing demand for medium-duty EVs and Hybrids. Harbinger: Familiar Form, Revolutionary Foundation.

Role Overview

We are seeking an energetic Mechanical Engineer to join our Frame and Cab Chassis team. In this role, you will be responsible for the design and release of secondary structures, brackets, and sub-assemblies. This is a "hands-on" CAD role where you will learn to navigate the complexities of EV packaging while ensuring every part meets our weight and cost targets.

Key Responsibilities

Develop 3D models and 2D drawings for chassis components (frame attachments, battery mounting brackets, cab interfaces) using CATIA V5/V6.
Manage the Release to Manufacturing process, including BOM (Bill of Materials) management and ECO (Engineering Change Order) documentation.
Perform basic structural analysis and clearance checks to ensure no interference with high-voltage cabling or powertrain components.
Collaborate with suppliers to ensure parts are designed for high-yield manufacturing (stamping, casting, or weldments).

Qualifications

B.S. in Mechanical Engineering.
2+ years of experience in automotive or heavy equipment design.
Proficiency in CATIA V5 or 3DEXPERIENCE (V6) is a must.
Strong understanding of GD&T (Geometric Dimensioning and Tolerancing) and ASME Y14.5 standards.

Key Benefits & Perks:

Comprehensive Health, Dental & Vision (HDV) – 100% employee covered
Early-stage Stock Options
Robust Retirement Savings (401k, HSA, FSA)
Generous Paid Time Off (PTO) & Parental Leave
Annual Vacation Bonus
Wellness & Fertility Benefits
Cell Phone Stipend
Complimentary Meals & Stocked Kitchens

California Pay Range

$90,000—$110,000 USD

Equal Opportunity

Harbinger is an equal opportunity employer and complies with all applicable federal, state, and local fair employment practices laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, ancestry, sex, sexual orientation, gender, gender expression, gender identity, genetic information or characteristics, physical or mental disability, marital/domestic partner status, age, military/veteran status, medical condition, or any other characteristic protected by law.

Harbinger is committed to ensuring that our hiring process is accessible for persons with disabilities. If you have a disability or limitation, such as those covered by the Americans with Disabilities Act, that requires accommodations to assist you in the search and application process, please email us at info@harbingermotors.com.

Candidate Data Privacy

Harbinger may collect, use and disclose your personal information or personal data (within the meaning of the applicable data protection laws) when you apply for employment and/or participate in our recruitment processes (“Candidate Personal Data”). This data includes contact, demographic, communications, educational, professional, employment, social media/website, network/device, recruiting system usage/interaction, security and preference information. Harbinger may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law.

Harbinger may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our HR, legal, and finance teams, and the team(s) with the position(s) for which you are applying; (ii) Harbinger affiliates; and (iii) Harbinger’s service providers, including providers of background checks, staffing services, and cloud services.

Harbinger may transfer or store internationally your Candidate Personal Data, including to or in the United States, Canada, the United Kingdom, and the European Union and in the cloud, and this data may be subject to the laws and accessible to the courts, law enforcement and national security authorities of such jurisdictions.

Please note that we are currently not accepting applications from third party application services. Any unsolicited resumes or candidate profiles submitted in response to our job posting shall be considered the property of Harbinger and are not subject to payment of referral or placement fees if any such candidate is later hired by Harbinger unless you have a signed written agreement in place with us which covers the applicable job posting.

Ready to apply?

Apply to Harbinger Motors Inc.

Harbinger Motors Inc.

View all jobs →