{"id":3129175,"url":"https://alion.io/job/eaton-principal-software-engineer","title":"Principal Software Engineer","company":{"id":6044,"name":"Eaton","domain":"eaton.com","url":"https://alion.io/company/eaton","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Eightfold","truth_index":{"grade":"A","score":87,"open_postings":333,"ghost_share":0.054,"stale_share":0.324,"repost_share":0.099,"time_to_fill_p50_days":41,"computed_at":"2026-10-23T05:54:15Z"}},"role":"Backend","role_family":"Backend","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":["Cheltenham, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":85000,"max_usd":172000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":49},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ARINC","optional":false},{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"DO-178C","optional":false},{"name":"DO-254","optional":false},{"name":"Git","optional":false},{"name":"RTOS","optional":false}],"status":"live","first_seen_at":"2026-10-13T04:49:00Z","employer_posted_date":"2026-10-20","last_verified_at":"2026-10-23T17:28:53Z","board_verified":true,"closed_at":null,"days_open":10,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":10},"description":"Eaton are seeking an experienced Principal Software Engineer to join the engineering function. We are searching for a dynamic highly skilled Principal Software Engineer with a wide breadth of skills who is interested in applying those skills and furthering their development skillset on a variety of software projects.\nAs a Principal Software Engineer, you will be expected to derive requirements, produce software architecture, develop test specifications, perform coding, debugging and testing on a variety of platforms from microcontrollers, to asymmetric multi-processor systems. You will participate in all phases of full software development lifecycle. This role will suit a self-motivated developer who is keen to take on a new challenge and who has a variety of programming languages and keen to learn new skills.\nWe are looking for a Principal Software Engineer with proven track record in embedded real-time safety critical experience. Experience with C/C++ working within aerospace safety standards required.\nWhat you’ll do:\nSoftware Development:\nRequirements definition, design, development, and verification for a variety of integrity levels, from safety critical to proof of concept.\nCoding to internal coding standards and ensuring high quality robust solutions.\nConduct design and code reviews to maintain high-quality standards.\nDebugging in embedded environments.\nQualifications:\nExperience with aerospace systems or similar high-reliability domains.\nFamiliarity with other safety-critical standards (e.g., ARP4754, ARINC 653, DO-254, DO-248).\nUnderstanding of hardware/software integration and hardware-in-the-loop (HIL) testing.\nHigh proficiency in C and C++ and cross compiling and debugging on embedded targets.\nExperience in working to DO-178C DAL B/A\nProficiency in real-time software design and RTOS concepts.\nCI/CD workflow. Experience with Git, Containerised development environments, CI/CD\nFamiliarity with debugging tools, hardware interfaces, and safety analysis techniques.\nSkills:\nStrong organizational skills with the ability to collaborate in a wider team.\nExcellent communication skills, capable of effectively liaising with technical and non-technical stakeholders.\nWhat we offer:\nOpportunity to work in a global, highly collaborative environment\nChallenging projects in dynamic collaborative team\nStrong focus on learning, development, and career progression\nCompetitive compensation and benefits package\nA culture that promotes inclusion, accountability, and continuous improvement\nAll positions may require participation in video and in-person interviews as part of the hiring process. All candidates will be evaluated based on job-related competencies, and all candidates’ privacy rights and data security will be protected in accordance with applicable laws.\nWe are committed to ensuring equal employment opportunities for job applicants and employees. Our recruitment processes use balanced selection criteria and avoid unlawful discrimination against applicants on the basis of their age, colour, disability, marital status, national origin, gender, gender identity, genetic information, race or racial origin, religion, sexual orientation or any other status protected or required by law.","description_format":"text","description_chars":3232,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Aerospace Manufacturing","Energy Management","Power Supplies & Power Electronics","Automotive Components"],"lifecycle":[{"event":"open","at":"2026-10-23T03:02:16Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Graduate Trainee, Senior or Specialist Worker, Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Global Business Mobility: Graduate Trainee; Global Business Mobility: Senior or Specialist Worker; Skilled Worker","cap_exempt":false,"checked_at":"2026-10-23T06:21:00+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":88,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.875,"p_room":1,"age_days":10,"expected_fill_days":41,"reasons":["conf:2","velocity","win:early","comp:brand"],"computed_at":"2026-10-23T05:54:15Z"},"pay":null,"html_url":"https://alion.io/job/eaton-principal-software-engineer","json_url":"https://alion.io/job/eaton-principal-software-engineer.json","meta":{"generated_at":"2026-10-23T18:03:08Z","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":27472,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-24T00:00:00Z"}},"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":6044},"rest":"https://alion.io/mcp/rest/get_company?id=6044"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Featon-principal-software-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%2Featon-principal-software-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%2Featon-principal-software-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/eaton-principal-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Featon-principal-software-engineer"}]}