{"id":3359652,"url":"https://alion.io/job/rtx-senior-software-engineer-navigation-software-onsite","title":"Senior Software Engineer – Navigation Software (ONSITE)","company":{"id":1162,"name":"RTX","domain":"rtx.com","url":"https://alion.io/company/raytheon-technologies","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":423,"ghost_share":0,"stale_share":0.749,"repost_share":0.007,"time_to_fill_p50_days":29,"computed_at":"2026-11-02T06:13:15Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Melbourne, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":86800,"max":165200,"currency":"USD","period":"year","gross":null,"usd_annual":165200},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Anomaly Detection","optional":false},{"name":"ARINC","optional":false},{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"Confluence","optional":false},{"name":"DO-178C","optional":false},{"name":"Git","optional":false},{"name":"IBM DOORS","optional":false},{"name":"Jira","optional":false},{"name":"Python","optional":false},{"name":"Sensor Fusion","optional":false},{"name":"Verification & Validation","optional":false}],"status":"live","first_seen_at":"2026-10-27T20:51:48Z","employer_posted_date":"2026-10-27","last_verified_at":"2026-11-02T19:45:56Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"Date Posted:\n2026-10-27\n\nCountry:\nUnited States of America\n\nLocation:\nUS-FL-MELBOURNE-313 ~ 1344 S Babcock St ~ BLDG 313\n\nPosition Role Type:\nOnsite\n\nU.S. Citizen, U.S. Person, or Immigration Status Requirements:\nThe company will offer immigration sponsorship for this position, if needed. The company will not seek an export authorization for this role.\n\nSecurity Clearance Type:\nNone/Not Required\n\nSecurity Clearance Status:\nNot RequiredAt RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.\nCollins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.\nOur navigation software team is looking for a Senior Software Engineer to serve as a seasoned individual contributor responsible for the development and integration of Navigation (NAV) software modules that interface with a Collins Flight Management System (FMS) for commercial transport aircraft. The role involves working independently on moderately complex problems and supporting certification and verification activities consistent with DAL B objectives.\nThis is an onsite position in Melbourne, Florida.\nWhat you will do:\nDesign, implement, integrate, and maintain NAV software modules that provide navigation data to the Collins FMS.\nDevelop software in ADA, C++, C, and Python following safety-critical development standards.\nAnalyze system and software requirements, including NAV-to-FMS ICDs.\nParticipate in flight-test operations, lab testing, and simulation runs to evaluate system performance under real-world and mission-critical conditions\nImplement navigation algorithms, data handling, and integrity monitoring logic.\nImplement and support AI-assisted onboard features such as intelligent sensor fusion, anomaly detection, and autonomous control logic\nSupport requirements traceability in Jama or DOORS.\nConduct unit and integration testing and debugging.\nSupport verification and validation activities per DO-178C.\nParticipate in peer reviews, design reviews, and code inspections.\nCollaborate with systems, verification, and certification teams.\nQualifications you must have:\nTypically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience\nReal-time embedded software experience is required.\nProficiency in C++, C, and Python.\nExperience across multiple phases of the software lifecycle.\nFamiliarity with Git, Jira, Confluence, Jama, SVN and CI/CD tools.\nQualifications we prefer:\nDO-178B/C experience (DAL B preferred).\nKnowledge of avionics navigation and FMS-integrated systems.\nExperience with ICD-driven development.\nFamiliarity with ARINC 429 or ARINC 664.\nStrong communication skills.\nExperience with ADA.\nWhat we offer: \nMedical, dental, and vision insurance\nThree weeks of vacation for newly hired employees\nGenerous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option\nTuition reimbursement program\nStudent Loan Repayment Program\nLife insurance and disability coverage\nOptional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection\nBirth, adoption, parental leave benefits\nCarrot Health to hormonal health, fertility, and family building\nAdoption Assistance \nAutism Benefit\nEmployee Assistance Plan, including up to 10 free counseling sessions\nHealthy You Incentives, wellness rewards program\nDoctor on Demand, virtual doctor visits\nBright Horizons, child and elder care services\nTeladoc Medical Experts, second opinion program\nAnd more! \nLearn More & Apply Now!\nAvionics delivers advanced cockpit displays, vision systems, and comprehensive digital solutions for global government, commercial and business aviation customers. We provide connectivity and managed data services to ensure safety and seamless communication for passengers, crews, and militaries, from aircraft and airports to air traffic management. Join us in creating solutions that connect the world, one flight at a time. Start your application today.\nOnsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. Regardless of your role type, collaboration and innovation are critical to our business and all employees will have access to digital tools so they can work with colleagues around the world - and access to Collins sites when their work requires in-person meetings.\nAt Collins, the paths we pave together lead to limitless possibility. And the bonds we form - with our customers and with each other -- propel us all higher, again and again. Apply now and be part of the team that’s redefining aerospace, every day.\nAs part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.\nThe salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.\nPrivacy Policy and Terms:\nClick on this link to read the Policy and Terms","description_format":"text","description_chars":7995,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Flexible schedule","Life insurance","Parental leave","Vision insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Missiles","Air Defense","Defense Manufacturing","Avionics & Flight Control"],"lifecycle":[{"event":"open","at":"2026-10-27T20:51:48Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":5,"expected_fill_days":29,"reasons":["conf:2","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-11-02T06:13:15Z"},"pay":{"stated_usd_annual":165200,"is_top_pay":false},"html_url":"https://alion.io/job/rtx-senior-software-engineer-navigation-software-onsite","json_url":"https://alion.io/job/rtx-senior-software-engineer-navigation-software-onsite.json","meta":{"generated_at":"2026-11-03T00:29:17Z","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":722,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-04T00:00:00Z"}},"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":1162},"rest":"https://alion.io/mcp/rest/get_company?id=1162"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Frtx-senior-software-engineer-navigation-software-onsite"},{"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%2Frtx-senior-software-engineer-navigation-software-onsite"},{"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%2Frtx-senior-software-engineer-navigation-software-onsite"},{"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/rtx-senior-software-engineer-navigation-software-onsite\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Frtx-senior-software-engineer-navigation-software-onsite"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3359652}},{"tool":"search_jobs","arguments":{"company":"rtx.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3359652},"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. 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