{"id":187182,"url":"https://alion.io/job/alten-technology-sr-software-engineer","title":"Sr. Software Engineer","company":{"id":5615,"name":"ALTEN Technology","domain":"alten-technology.com","url":"https://alion.io/company/alten-technology-usa","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":79,"open_postings":42,"ghost_share":0,"stale_share":0.81,"repost_share":0.024,"time_to_fill_p50_days":40,"computed_at":"2026-10-22T06:10:10Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Irvine, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":120000,"max":140000,"currency":"USD","period":"year","gross":null,"usd_annual":140000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"DO-178C","optional":false}],"status":"live","first_seen_at":"2026-07-21T16:02:43Z","employer_posted_date":"2026-09-01","last_verified_at":"2026-10-22T04:18:13Z","board_verified":true,"closed_at":null,"days_open":92,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":92},"description":"We’re ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life-from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more.\nAs part of the global ALTEN Group-57,000+ engineers in 30 countries-we deliver across the entire product development cycle, from consulting to full project outsourcing.\nWhen you join ALTEN Technology USA, you’ll collaborate on some of the world’s toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow.\n\nSummary\nThe Sr. Software Engineer will be responsible for analysis, design, development, debugging, and modification of embedded control software for electronics applications such as controllers, PFC-based 3-phase Active Rectifiers, Motor Control, DC-DC Convertors and AC Drives for harsh and hazardous environments for commercial aerospace products. Youwill take ownership and/or support technical engineering teams and projects related to W&W System Components. Using sound engineering principles, this engineer will interface with cross-functional groups (internal and external) to ensure robust, airworthy designs are attained which meet budget, schedule, and internal requirements and goals. This leadership position will be responsible for participating in and leading improvement activities at a group and/or company level\nEssential Duties and Responsibilities\nDesign and implement advanced control algorithms for power electronic applications\nDevelop control system software requirements to write embedded code for 3-phase Active Rectifier, Motor Control electronics\nContributes to system design and independently develops subsystem designs that meet the requirements. Considers tradeoffs between requirements, cost and reliability in the choice of a design approach\nTest/debug power electronics controllers, Source and assembly level debugging\nOptimize software performance by working with control system engineers\nWork with suppliers to review control software design.\nLead or support software design review activities. Interface with vendors, customers and other departments on technical issues\nIndependently owns, or leads a team for small/medium size software development.\nReviews, checks and approves work done by peers and lower level engineers.\nProvides guidance and training to lower level engineers.\nAssesses standard work and support or lead improvement projects.\nUnderstands how various groups (engineering, industrialization, operations) work together and is able to navigate through the company.\nAnalyze customer requirements and validate them by analysis/modeling/prototyping or based on existing product performance\nCreate software requirements specification and hardware/software interface control documents\nCreate verification plan for validating product compliance to requirements\nAble to interface independently with technical analysts to define the software design\nAble to interface independently with existing and/or new suppliers and OEMs\nCreates design tools to help define the product design, capture lessons learned and improve rotating equipment development process\nCreates software design document that covers design analysis, notes, and specific guidelines followed\nCreate design verification test procedure (DVTP) and report (DVTR)\nPerform product performance testing and analysis to ensure that requirements are met and generate test reports\nIndependently finds or creates solutions to problems requiring research, resourcefulness and creativity\nSupports feasibility, development, validation, verification, and qualification testing at Monogram and at external test laboratories.\nUtilizes sound technical problem solving to support ongoing projects\nFollows sound engineering principles to ensure designs meet airworthiness standards, customer requirements and ZWWS internal standards\nReviews critically and presents findings and trade studies\nProvides input to program and project managers\nPerform RTCA/DO-178 based process tasks and generate PSAC, SDP, SVP, SCMP, SQAP, SCI, and SAS documents\nUnderstands, follows, and promotes, ZWWS policies and procedures\nProcess engineering changes in the development of water and waste systems and equipment\nDocuments findings and trade studies\n\nSalary Range: $120,000-$140,000/K \nThe actual salary offered is dependent on various factors including, but not limited to, location, the candidate’s combination of job-related knowledge, qualifications, skills, education, training, and experience \nAll qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, age, genetic information, or pregnancy.\nPlease beware of job seeker scams and see this important notice on our careers page for more information about our recruiting process.\nCompliance Notice: Alten USA is a federal contractor subject to the requirements of the Vietnam Era Veterans’ Readjustment Assistance Act (VEVRAA) and Executive Order 11246. We are an Equal Opportunity Employer and consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.\nDrug Screening Requirement: As a federal contractor, Alten USA maintains a drug-free workplace. 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