{"id":4128462,"url":"https://alion.io/job/rtx-embedded-software-development-principal-engineer-p4-onsite","title":"Embedded Software Development Principal Engineer P4 (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":82,"open_postings":532,"ghost_share":0.006,"stale_share":0.695,"repost_share":0.036,"time_to_fill_p50_days":29,"computed_at":"2026-11-11T05:49:22Z"}},"role":"Hardware","role_family":"Hardware","seniority":"lead","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hartford, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":107500,"max":204500,"currency":"USD","period":"year","gross":null,"usd_annual":204500},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":true,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"DO-178C","optional":false},{"name":"Scrum","optional":false},{"name":"Verification & Validation","optional":false}],"status":"live","first_seen_at":"2026-11-11T00:00:00Z","employer_posted_date":"2026-11-11","last_verified_at":"2026-11-12T01:53:45Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Date Posted:\n2026-11-11\n\nCountry:\nUnited States of America\n\nLocation:\nUS-CT-EAST HARTFORD-ETC ~ 400 Main St ~ BLDG ETC\n\nPosition Role Type:\nOnsite\n\nU.S. Citizen, U.S. Person, or Immigration Status Requirements:\nThe ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance\n\nSecurity Clearance Type:\nDoD Clearance: Secret\n\nSecurity Clearance Status:\nActive and existing security clearance required after day 1At RTX, the world 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.\nPratt & Whitney is a world leader in the design, manufacture and service of aircraft engines and auxiliary power systems and has been revolutionizing modern flight for over 100 years. Join us and help shape the future of aerospace and defense.\n What you Will Do:\nPratt & Whitney Controls & Diagnostic Systems (CDS) is a dynamic engineering organization focused on the development and certification of military and commercial gas turbine engine control and diagnostic systems. CDS is responsible for all aspects of Pratt & Whitney engine control and diagnostic system development and support, including requirements analysis & definition, system & software architecture, algorithm design, product software design, verification & validation and engine and flight test support.\nThe CDS organization is seeking a highly motivated, team oriented, and results driven Principal Engineer to join the Engine System Software organization. The qualified candidate will be responsible for:\nDevelop and/or lead software requirements and designs within the Agile Framework: \nDecompose system level and customer interface requirements into software requirements and designs \nDocument traceability or rationale for derived requirements and designs \nConduct iterative prototype testing of requirements and designs \nPerform reviews of requirements and designs \nParticipate in software planning, estimating and tracking \nProduce software requirement and design specifications \nPerform and/or lead software verification within the Agile Framework: \nConduct regression analysis to determine verification scope \nDevelop / review software test descriptions with traceability to software requirements \nDevelop and execute electronic bench test scripts \nEvaluate / review test results \nExecute robustness testing \nExecute low-level module/object testing \nConduct Verification Reviews \nProduce Verification Reports \nParticipate in and/or lead Agile ceremonies \nParticipate in software planning, estimating and tracking per Agile framework \nPotential to serve as Agile Scrum Master, Product Owner, Product Manager, and/or part of the Development Team \nWhat You Will Learn:\nAs a member of a dynamic engineering organization, this position offers the candidate an excellent opportunity to apply multidisciplinary engineering and leadership skills in the development and support of complex engine control and diagnostic systems and software.\nQualifications You Must Have:\nBachelor’s degree in Science, Technology, Engineering or Mathematics (STEM)\n8 years of engineering experience or 3 years with an advanced degree\nQualifications We Prefer:\nControls Systems development and support\nSolid track record of achieving results in a technical role \nAbility to work in a dynamic, high pressure engineering environment \nPrior experience developing software in an Agile framework \nPrior safety critical software development experience \nKnowledge of regulatory standards such as DO178B \nOutstanding cross discipline communication skills \nFamiliarity with jet engine control and diagnostic system architectures and control logic design \nWhat We Offer:\nBenefits\nRelocation Assistance\nLearn More & Apply Now!\nEngine Design & Systems Integration (EDSI)\nControls & Diagnostics Systems (CDS)\nCDS develops complex, cyber-resilient control systems and software for commercial and military engines including power and thermal management Systems and auxiliary power units. CDS also develops advanced diagnostic & health management systems to monitor our products, forecast events and help facilitate MRO operations. With growing emphasis on sustainability, CDS is on the forefront of system development for hybrid and electric propulsion.\nWhat is my role type?\nIn addition to transforming the future of flight, we are also transforming how and where we work. We’ve introduced role types to help you understand how you will operate in our blended work environment.\nOnsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance workers, as they are essential to the development of our engines.\nCandidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility.\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 107,500 USD - 204,500 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":7793,"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":["Flexible schedule","Life insurance","Parental leave","Relocation assistance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Missiles","Air Defense","Defense Manufacturing","Avionics & Flight Control"],"lifecycle":[{"event":"open","at":"2026-11-12T01:53:45Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"H-1B filings in 12 months: 10 · green card filings: 1","filings_12m":10,"filings_prev_12m":9,"green_card_filings_12m":1,"median_offered_wage_usd":133864,"route":null,"cap_exempt":false,"checked_at":"2026-11-11T07:38:50+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":0}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":1,"expected_fill_days":29,"reasons":["conf:1","win:early","comp:brand"],"computed_at":"2026-11-12T03:16:49Z"},"pay":{"stated_usd_annual":204500,"is_top_pay":false},"html_url":"https://alion.io/job/rtx-embedded-software-development-principal-engineer-p4-onsite","json_url":"https://alion.io/job/rtx-embedded-software-development-principal-engineer-p4-onsite.json","meta":{"generated_at":"2026-11-12T03:16:49Z","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":7252,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-13T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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-embedded-software-development-principal-engineer-p4-onsite"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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-embedded-software-development-principal-engineer-p4-onsite"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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-embedded-software-development-principal-engineer-p4-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-embedded-software-development-principal-engineer-p4-onsite\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Frtx-embedded-software-development-principal-engineer-p4-onsite"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4128462}},{"tool":"search_jobs","arguments":{"company":"rtx.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4128462},"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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