Principal Mechanical Engineer (Structural Design and Analysis)
Torrance, CAJob$138–193K/yrPosted 6 days agoStill listed 5 days ago
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At a glance
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Requirements
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Job overview
Epirus seeks an experienced structural analysis engineer to design and analyze electronic and mechanical assemblies for harsh environments. The role works with an engineering team on next-generation HPM products and follows designs and analyses through conceptualization, testing, and verification. The engineer also provides technical leadership and collaborates across functions to develop electromechanical systems for operation and transport.
Skills & qualifications
Skills
Qualifications
Full job description
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 looking for an experienced structural analysis engineer to innovate on the next generation of HPM products. In this role, you will work closely with a talented engineering team to design & analyze cutting edge electronic and mechanical assemblies to survive in harsh environments. Ideal candidates will have experience following their designs / analyses through its complete lifecycle from conceptualization through test and verification.
Responsibilities:
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Design / analyze structures for mounting RF phased arrays and other electronic packages
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Perform structural finite element analysis (FEA) on complex mechanical structures and electronic assemblies for a range of solution and load types, including static, modal, and structural dynamics (vibration and shock).
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Build finite element models and perform hand calculations to verify structural integrity across Epirus’s product lines.
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Provide mentoring and serve as mechanical design / analyst lead on product design teams
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Collaborate with a cross-functional team to develop requirements, design, and build electromechanical systems that survive harsh environments encountered during operation and transport
Basic Qualifications:
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BS degree in Mechanical, Aerospace, Structural or similar engineering field.
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8+ years of experience in structural/stress design & analysis of metallic structures.
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Expert level comfort with Finite Element Analysis and structural hand calculations.
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Experience with structural analysis and pre/post processing software packages such as Nastran, FEMAP, Ansys, Patran or equivalent.
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Experience analyzing systems under static loading, shock, and vibrational environments including random vibration.
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Experience with CAD and practical application of GD&T.
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Experience with structural test and qualification of mechanical systems.
Preferred Skills and Experience:
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Experience performing stress analysis of electronic systems such as circuit card assemblies.
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Experience designing / analyzing actuated mechanical systems including azimuth and elevation pointing mechanisms.
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Good written and oral communication skills
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Collaborative; capable of working across all levels of the organization
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Organized; comfortable working in a fast-paced, ever-changing environment
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Familiarity with MIL-STD-810 and associated harsh environmental considerations
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. As required by the Equal Pay Transparency Act, Epirus provides a reasonable range of minimum compensation for roles that may be hired. Actual compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, and specific office location. For the state of California only, the range of starting pay for this role is: $138,000—$193,000 USD
How this job compares
Set against the 7,601 open Mechanical Engineer jobs on Olive Jobs, counted November 4, 2026.
- Pay
- This posting$138–193K/yr
- California median$129–180K/yr1,037 salary ranges
- US median$106–160K/yr4,548 salary ranges
This range's midpoint, $166K, is 8% above the California median midpoint ($154K) — in the middle half of Mechanical Engineer salary ranges in California.
- Openings
- Olive Jobs lists 1,318 open Mechanical Engineer jobs in California and 7,601 across the US. 2% of them nationwide are listed as remote or flexible.
- Hiring the most in California
- Anduril Industries78 open
- Anduril70 open
- SpaceX50 open
- Experience
- This posting asks for at least 8 years of experience — more than three in four Mechanical Engineer postings that state a minimum ask for (median 5 years, across 6,308 postings).
- Education
- This posting asks for a bachelor's degree; 5,231 of the 7,601 open Mechanical Engineer jobs (69%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 4, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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