{"id":1013010,"url":"https://alion.io/job/2025-epirus-inc-principal-harness-design-engineer","title":"Principal Harness Design Engineer","company":{"id":673037,"name":"Epirus","domain":"epirusinc.com","url":"https://alion.io/company/epirusinc","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":90,"open_postings":10,"ghost_share":0,"stale_share":0.2,"repost_share":0,"time_to_fill_p50_days":70,"computed_at":"2026-11-05T05:54:30Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Torrance, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":154100,"max":179800,"currency":"USD","period":"year","gross":null,"usd_annual":179800},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CATIA","optional":false},{"name":"MIL-STD-810","optional":true},{"name":"SolidWorks","optional":true}],"status":"live","first_seen_at":"2026-09-17T20:02:33Z","employer_posted_date":"2026-09-17","last_verified_at":"2026-11-05T05:08:45Z","board_verified":true,"closed_at":null,"days_open":48,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":48},"description":"About Epirus \nEpirus 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. \n\nJob Summary: We are looking for a principal harness design engineer to innovate on the next generation of HPM products. You will own the full life cycle for harness design, from leading systems level design guidelines to executing through harness build & integration. This multi-disciplinary role will have you designing novel harnessing solutions for a variety of platforms in a rapid development environment. \nResponsibilities: \nLead the design and execution of electrical harness architectures for HPM systems \nDevelop detailed harness designs from systems-level requirements / constraints \nLead systems-level harness guidance for high-EMI systems, such as shielding strategies, grounding approaches, power distribution layout and signal pathing \nEvaluate and specify components such as connectors, wiring / cables, strain relief features and shield termination hardware \nCreate, release and maintain harness documentation packages such as system block diagrams, interconnect schematics, 3D CAD routing models and production drawings \nCollaborate with cross-functional teams to define harness requirements, ensuring alignment between stakeholders such as engineering, production, quality and product management \nProvide engineering support to select and manage vendors to manufacture and assemble designed parts \nSupport rapid development cycles, including prototyping, deployment, and continuous improvement \nSupport build and test phases, including harness quality inspections and on-site troubleshooting \nBasic Qualifications: \nBachelor’s degree in Mechanical Engineering, Electrical Engineering, or a related technical field (or equivalent experience) \n8+ years designing interconnect systems for harsh-environment applications such as defense, aerospace or industrial platforms \nProficiency in interpreting / working from wiring diagrams and interconnect documentation \nExperience with designing harness systems that are optimized for voltage drop, thermal performance, component derating, EMI effects and interference / crosstalk. \nExperience with Altium Harness Design or similar harness design software package (Zuken, Siemens Capital, CATIA Electrical, etc...) \nFamiliarity with requirements for cable and harness design, fabrication, inspection, and acceptance in accordance with IPC/WHMA-A-620, J-STD-001, SAE AS50881 and/or NASA-STD-8739.4 \nWorking knowledge of GD&T and common engineering drawing standards (ASME Y14.5) \nPreferred Skills and Experience \nWorking familiarity with communication standards and data buses (e.g., Ethernet, CAN, RS-422) \nExperience with High Voltage / 3-Phase AC Design \nExperience with CAD (Solidworks or similar) \nHands-on experience with harness assembly \nComfort with creating harness test procedures / verification processes \nFamiliarity with MIL-STD-810 and associated harsh environmental considerations \nITAR REQUIREMENTS: \nTo 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. \nAt 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. \nAs 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. \nFor the state of California only, the range of starting pay for this role is:\n$154,100—$179,800 USD","description_format":"text","description_chars":4283,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Electronic Warfare","Defense Manufacturing"],"lifecycle":[{"event":"open","at":"2026-09-17T21:18:34Z"}],"visa":[],"liveness":{"score":75,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.828,"p_room":0.9,"age_days":48,"expected_fill_days":70,"reasons":["conf:0","win:mid"],"computed_at":"2026-11-05T05:54:30Z"},"pay":{"stated_usd_annual":179800,"is_top_pay":true},"html_url":"https://alion.io/job/2025-epirus-inc-principal-harness-design-engineer","json_url":"https://alion.io/job/2025-epirus-inc-principal-harness-design-engineer.json","meta":{"generated_at":"2026-11-05T08:38:49Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":10957,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-06T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":673037},"rest":"https://alion.io/mcp/rest/get_company?id=673037"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2F2025-epirus-inc-principal-harness-design-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2F2025-epirus-inc-principal-harness-design-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2F2025-epirus-inc-principal-harness-design-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/2025-epirus-inc-principal-harness-design-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2F2025-epirus-inc-principal-harness-design-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":1013010}},{"tool":"search_jobs","arguments":{"company":"epirusinc.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":1013010},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}