Description
Senior Mechanical Engineer
Location: San Diego, CA
Department: Engineering
Location Type: IN_OFFICE
Employment Type: FULL_TIME
Who We Are
At Firestorm, we’re on a mission to revolutionize how defense solutions are designed and delivered. Our goal is to empower U.S. ally nations to effectively deter aggressors—regardless of their defense budget—through innovative, cost-efficient technologies. We call this vision “democratized deterrence.” As a VC-backed company at the intersection of defense and Silicon Valley, we’re pioneering the development of mission-adaptable aerial vehicles that put power back into the hands of operators. By prioritizing operator effectiveness, we’re pioneering a new era of aerial vehicle design. We aim to upend the traditional defense procurement model by delivering world-class capabilities at a fraction of the usual cost. Join us at Firestorm as we redefine defense procurement, making cutting-edge technology accessible to all at a fraction of the cost.
About the Role
Firestorm is seeking a Senior Mechanical Engineer to provide hands-on technical support for the design, integration, and sustainment of xCell systems. This individual will work directly with the Director of Expeditionary Manufacturing and cross-functional engineering teams to ensure xCell units operate reliably, safely, and efficiently across all deployment environments.
The Senior Mechanical Engineer will contribute to the design, testing, and troubleshooting of mechanical and electrical subsystems, including power distribution, HVAC, environmental controls, and structural assemblies. This role combines practical shop-floor engagement with disciplined engineering analysis, ensuring xCell systems are built, tested, and maintained to the highest technical standards.
What You’ll Do
- Provide hands-on support for the installation, integration, and maintenance of xCell mechanical and electrical systems.
- Design, document, and validate mechanical and electrical subsystems, including wiring, power distribution, cooling, and structural components.
- Support build and integration activities by working closely with technicians, suppliers, and engineers.
- Conduct root cause analysis and implement corrective actions for mechanical or electrical issues identified during build or deployment.
- Develop and update engineering documentation, including drawings, schematics, wiring diagrams, and system layout models.
- Assist with test planning and execution for verification and validation (V&V) of mechanical and electrical subsystems.
- Evaluate design improvements and field feedback for incorporation into future xCell iterations.
- Ensure all mechanical and electrical systems comply with applicable codes, standards, and safety requirements.
- Support on-site setup, maintenance, and troubleshooting during xCell deployments as required.
Required Qualifications
- Bachelor’s degree in Mechanical, Electrical, or Mechatronics Engineering (or related field).
- 6+ years of progressive experience in mechanical and electrical system design, integration, or testing.
- U.S. Citizenship required due to ITAR regulations & the ability to obtain and maintain a Department of Defense (DoD) security clearance
- Hands-on experience with power distribution, HVAC systems, or industrial controls.
- Proficiency in reading and interpreting electrical schematics and mechanical drawings.
- Strong troubleshooting skills and familiarity with system-level integration in manufacturing or industrial environments.
Preferred Qualifications
- Experience working on deployable or containerized systems.
- 8 years of progressive experience in mechanical and/or electrical system design, integration, or testing.
- Familiarity with environmental control systems, compressors, or industrial power equipment.
- Understanding of additive manufacturing or advanced fabrication systems.
- Exposure to defense or aerospace programs requiring system-level integration and documentation.
- PMP certification, MBA, or Engineering Management credentials a plus.
Work Environment
- Based at our Headquarters in San Diego, CA
- Ability to lift up to 30 lbs and perform physical work associated with integration and test activities.
- Travel up to 30% (domestic and international) to support supplier visits, deployments, and field operations.
- Ability to understand and adhere to all company policies, safety standards, and applicable labor regulations.
Compensation
US Salary Range: $132,000 - $182,000 USD
The posted salary range reflects an estimate based on a variety of compensation factors, including but not limited to relevant experience, education, certifications, specialized skills, geographic location, and business needs. Actual compensation may vary, and this range is subject to change as our compensation structure or market conditions evolve.
Benefits & Perks
Our culture fosters collaboration, respect, and trust, empowering passionate people to do their best work. We offer a competitive salary, comprehensive benefits, and opportunities for career growth. In addition to an opportunity to take part in an innovative, collaborative and fast-growing business with a highly motivated and skilled team, we also take pride in taking care of our employees. Here are just a few ways that we show our appreciation:
- We offer comprehensive medical, dental, and visions plans
- 401(k) Retirement Savings Plan to invest in your long-term retirement goals
- Equity grants for new hires
- Unlimited PTO
- Extremely generous company holiday calendar, including a holiday hiatus in November, & December.
- Generous Parental Leave
- Lifestyle Spending Account
- FSA
- DCFSA
- HSA
- Hospital Indemnity insurance
- Critical Illness insurance
- Accident insurance
- Basic Life/AD&D, short-term and long-term disability insurance, 100% covered by Firestorm. Plus, the option to purchase additional life insurance for you and your family.
- Mental Health Resources: We provide free mental health resources 24/7 including therapy and more. Additional work-life services, such as free legal and financial support, are available to you as well.
Export Control Compliance
To conform to U.S. government export control regulations, including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR), 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 otherwise eligible to obtain the required authorizations from the U.S. Department of State or U.S. Department of Commerce.
Equal Opportunity Statement
Firestorm is an equal opportunity employer, committed to creating a diverse and inclusive workplace, and upholding equitable hiring practices. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic under federal, state, or local law, including those with a criminal history, in a manner consistent with the requirements of applicable state and local laws, including the CA Fair Chance Initiative for Hiring Ordinance. We actively encourage members of recognized minorities, women, Veterans, and those with disabilities to apply, and we work to create a welcoming and supportive environment for all applicants throughout the interview process.
Firestorm is committed to fostering an inclusive and accessible work environment. If you require accommodations or assistance during the application process, please don’t hesitate to reach out to us at [email protected] so we can provide the support you need.
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