{"id":3066217,"url":"https://alion.io/job/marsh-mclennan-oliver-wyman-vector-aerospace-software-developer-seattle-wa","title":"Oliver Wyman Vector – Aerospace Software Developer – Seattle, WA","company":{"id":1769686,"name":"Marsh McLennan","domain":"marshmclennan.com","url":"https://alion.io/company/marshmclennan","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":81,"open_postings":195,"ghost_share":0,"stale_share":0.959,"repost_share":0,"time_to_fill_p50_days":15,"computed_at":"2026-10-30T05:48:23Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Seattle, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":110000,"max":160000,"currency":"USD","period":"year","gross":null,"usd_annual":160000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"DO-178C","optional":false},{"name":"Java","optional":false},{"name":"Python","optional":false},{"name":"Git","optional":true},{"name":"Jira","optional":true}],"status":"live","first_seen_at":"2026-09-23T00:00:00Z","employer_posted_date":"2026-09-23","last_verified_at":"2026-10-30T16:44:41Z","board_verified":true,"closed_at":null,"days_open":37,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":37},"description":"Company:\nOliver WymanDescription:\nOverview\nOliver Wyman Vector is seeking an experienced Software Developer to support the development of software for complex aerospace systems. This role will work closely with systems engineers, test engineers, and other software developers to design and implement software solutions from defined software-level requirements.\nThe Software Developer will contribute throughout the software development lifecycle, including software design, implementation, integration, troubleshooting, and verification within a DO-178C-driven development environment.\nBasic Qualifications (Required Skills/Experience)\n· 5+ years of professional software development experience, with approximately 5-10 years preferred.\n· Strong software development experience using Java and/or Python.\n· Ability to develop software from defined software-level requirements through design and implementation.\n· Experience designing, developing, debugging, and maintaining software within complex systems.\n· Familiarity with RTCA DO-178C software certification and the software development processes and documentation driven by DO-178C.\n· Ability to collaborate with systems engineering and test teams throughout software development, integration, and verification.\n· Strong analytical, troubleshooting, and problem-solving skills.\n· Ability to work effectively in an environment with evolving requirements and technical ambiguity.\n· Strong written and verbal communication skills with the ability to encourage open communication and continuous feedback.\nPreferred Qualifications (Desired Skills/Experience)\n· Experience developing software for aerospace, avionics, aircraft, or other safety-critical systems.\n· Experience with airplane software development and certification.\n· Familiarity with requirements-driven software development and traceability.\n· Experience working within a structured software development lifecycle, including requirements, design, implementation, integration, verification, and delivery.\n· Experience with software integration, debugging, and troubleshooting in a system or lab environment.\n· Familiarity with airplane network systems, communication systems, or networked embedded systems.\n· Experience working with cross-functional engineering teams, including systems engineering, software development, integration, and test.\n· Familiarity with development and issue-tracking tools such as Git and Jira.\n· Bachelor’s degree in engineering, computer science, mathematics, physics, or a related technical discipline, or equivalent relevant experience.\nKnowledge, Abilities & Other Characteristics\n· Full-time role supporting a combination of remote and in-office work (hybrid).\n· Located in the Greater Seattle, WA area.\n· Ability to work independently while contributing effectively as part of a larger engineering team.\n· Customer focus and willingness to respond to changing technical and program priorities.\nApplicants must be legally authorized to work in the United States. This position is not eligible for employer-sponsored work authorization now or in the future.\nThe applicable base salary range for this role is $110,000 - $160,000.\nOliver Wyman is a business of Marsh (NYSE: MRSH), a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $27 billion and more than 95,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visit oliverwyman.com, or follow us on LinkedIn and X. Marsh is committed to embracing a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, veteran status (including protected veterans), or any other characteristic protected by applicable law. If you have a need that requires accommodation, please let us know by contacting  is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh colleagues are expected to be in their local office or working onsite with clients at least three days per week. 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