Role Overview
Epirus is hiring a Principal System Engineer (Contract). This is a contract role in Torrance, California. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job description
About Epirus
Epirus is a high-growth technology company that develops solid-state, human-safe directed energy systems that enable unprecedented counter-electronics effects and power management solutions to enhance power efficiency in defense and commercial electronics. With a constant emphasis on innovation, we are redefining modern power systems to increase the velocity of change for our customers and bring tomorrow's capabilities to life, today.
Job Summary
This is an exciting and high visibility role in a growing company. The ideal candidate for the position is someone who has experience with every phase of systems engineering from inception to launch. In this role, you will work with cross-functional team of talented engineers to architect, develop, integrate, and test multifunctional systems.
Responsibilities:
- Own system requirements for a product, including requirement definition and subsystem requirements
- Act as key interface with either existing or prospective customers to prove customer requirements/needs are fully satisfied by captured
- Coordinate with cross functional team members to drive key requirements with subsystem design teams.
- Develop interface control documentation and own interface management between hardware/software/firmware subsystems
- Spearhead complete V-cycle artifacts from requirements to validation.
- Design, own and maintain system architecture diagrams by collaborating with key stakeholders.
- Perform trade studies and quick-turn impact analyses to facilitate design choices.
- Perform analysis to prove system requirements are addressed by the system design.
- Lead the toll gate process from requirements to launch.
- Ability to steer through ambiguity with minimal guidance.
Basic Qualifications:
- BS or MS degree in Electrical Engineering, Computer Science, Aerospace, or similar field
- 8+ years of industry experience, preferably with experience spanning the entire product lifecycle (Concept to Delivery)
- Demonstrated experience establishing the technical baseline of a system/product and working through ambiguity.
- Experience working with Systems Engineering tools for Requirements Management and Product Lifecycle Management (e.g. JAMA, Polarion, DOORS)
- Experience working with MBSE (e.g. SparxEA, Capella)
- Experience with Python development or other similar object-oriented languages
- Experience working with Git/GitHub, or similar version control systems
- Ability to identify gaps, prioritize in the context of the project / program, and lead an effort involving multiple engineers from other teams to resolve issues
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
epirusinc.com
35 other open roles at Epirus on TryApplyNow.
Frequently Asked Questions
How do I apply for the Principal System Engineer (Contract) position at Epirus?
Use the Apply button above to submit your application directly to Epirus. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the Principal System Engineer (Contract) position at Epirus located?
This position is based in Torrance, California. Epirus has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Principal System Engineer (Contract) at Epirus earn?
Epirus has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Principal System Engineer (Contract) role at Epirus posted?
This role was posted on April 27, 2026 (74 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
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