{"id":2639929,"url":"https://alion.io/job/rtx-engineer-ii-platform-software-onsite","title":"Engineer II Platform 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":"A","score":97,"open_postings":159,"ghost_share":0,"stale_share":0.27,"repost_share":0.075,"time_to_fill_p50_days":9,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["El Segundo, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":75800,"max":144200,"currency":"USD","period":"year","gross":null,"usd_annual":144200},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Bash","optional":false},{"name":"C++","optional":false},{"name":"Embedded C","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"Wireshark","optional":false},{"name":"C","optional":true}],"status":"live","first_seen_at":"2026-10-15T18:38:09Z","employer_posted_date":"2026-10-15","last_verified_at":"2026-10-16T00:23:38Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Date Posted:\n2026-10-15\n\nCountry:\nUnited States of America\n\nLocation:\nUS-CA-EL SEGUNDO-E04 ~ 2006 E El Segundo Blvd ~ BLDG E04\n\nPosition Role Type:\nOnsite\n\nU.S. Citizen, U.S. Person, or Immigration Status Requirements:\nActive and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance\n\nSecurity Clearance Type:\nSecret - Current\n\nSecurity Clearance Status:\nActive and existing security clearance required on day 1At 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.\nCollins Aerospace is seeking a highly motivated and skilled Embedded Linux Software Engineer II to join our Microelectronics Technology Directorate within the Applied Research and Technology (ART) organization. In this role, you will support cutting-edge Mission Systems products by developing and optimizing Board Support Package (BSP) solutions for custom hardware. Your skills in bootloader development, Linux kernel tailoring, and device driver creation will play a key role in delivering innovative solutions to our customers.\nThis position offers the opportunity to collaborate with multidisciplinary teams of experts in software, systems, hardware, and FPGA design to advance next-generation technologies in aerospace and defense applications.\nWhat You Will Do\nDesign, develop and continuously enhance our customized Linux OS ecosystem and maintain ownership over areas such as build toolchain, kernel, root filesystem, bootloader, device drivers, and BSP for a wide variety of hardware boards.\nContribute to the design, coding, testing, delivery and ongoing support for embedded Linux software systems.\nParticipate in root cause analysis and resolution of complex hardware-software issues.\nPrepare software builds for execution in a simulation environment, reference platforms and on the target hardware.\nUnderstand and utilize the appropriate Collins Aerospace processes and tools during product development, resulting in increased product quality and improving customer satisfaction.\nContribute to engineering estimates for tasks such as change requests or problem reports.\nWhat You Will Learn\nYou will work with an experienced team to learn best practices and Collins’ engineering processes for implementing world class embedded solutions.\nYou will get to work with cutting edge technologies developed both in house and by external vendors.\nYou will learn how embedded Linux and low-level software are used to implement solutions utilized in communications, security, and space-based products.\nQualifications You Must Have\nTypically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 2 years of prior relevant experience or an Advanced Degree in a related field\nActive and transferable U.S. government issued security clearance is required prior to start date \nU.S. citizenship is required, as only U.S. citizens are eligible for a security clearance \nExperience as a command line user of Linux\nMid-level skills in embedded C/C++\nExperience with scripting languages (Bash and Python)\nExperience with board bring-up and target hardware integration\nExperience with debugging and root cause investigations using hardware schematics and tools such as logic analyzer and Wireshark\nQualification We Perfer\nExperience with GIT and SVN version control systems\nExperience packaging custom Linux distribution with Buildroot.\nExperience in developing and maintaining Linux board support packages (BSP) for embedded systems\nDevelopment experience Agile methodologies and DevSecOps\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 \nOvia Health, fertility, and family planning \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\nThis position is eligible for relocation assistance\nLearn More & Apply Now!\nDo you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions - whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.\n*Please ensure the role type (defined below) is appropriate for your needs before applying to this role.\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.\nEmployee Referral Eligible\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.\nApply 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 75,800 USD - 144,200 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":9025,"description_truncated":false,"requirements":{"experience_years_min":2,"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","Vision insurance"],"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":"2026-10-15T18:38:09Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":0,"expected_fill_days":9,"reasons":["conf:5","velocity","win:early","comp:brand"],"computed_at":"2026-10-16T05:45:00Z"},"pay":{"stated_usd_annual":144200,"is_top_pay":false},"html_url":"https://alion.io/job/rtx-engineer-ii-platform-software-onsite","json_url":"https://alion.io/job/rtx-engineer-ii-platform-software-onsite.json","meta":{"generated_at":"2026-10-16T12:51:28Z","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":12124,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-17T00:00:00Z"}},"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-engineer-ii-platform-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-engineer-ii-platform-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-engineer-ii-platform-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-engineer-ii-platform-software-onsite\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Frtx-engineer-ii-platform-software-onsite"}]}