{"id":3435900,"url":"https://alion.io/job/rtx-principal-systems-engineer-3","title":"Principal Systems Engineer","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":497,"ghost_share":0,"stale_share":0.71,"repost_share":0.02,"time_to_fill_p50_days":26,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Colorado Springs, 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":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"C++","optional":false},{"name":"Cameo Systems Modeler","optional":false},{"name":"Confluence","optional":false},{"name":"IBM DOORS","optional":false},{"name":"Java","optional":false},{"name":"Linux","optional":false},{"name":"MATLAB","optional":false},{"name":"MBSE","optional":false},{"name":"Microsoft Office","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-09-29T00:00:00Z","employer_posted_date":"2026-09-29","last_verified_at":"2026-10-31T08:24:37Z","board_verified":true,"closed_at":null,"days_open":32,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":32},"description":"Date Posted:\n2026-09-29\n\nCountry:\nUnited States of America\n\nLocation:\nUS-CO-COLORADO SPRINGS-1275 ~ 1275 N Newport Rd ~ NEWPORT\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.\nRaytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.\nThe Systems Engineering and Test Capabilities (SE&TC) Surface Radars & Sensors Center is currently looking for a Principal Systems Engineer to support the Missile Defense Sensors (MDS) department. The MDS department delivers cutting-edge expertise in concept development, architectural design, requirements generation and flow-down, modeling and simulation, systems analysis, integration, test, and evaluation of world-class Missile Defense & Sensor Systems. We achieve excellence through our people, processes, technology, and performance. In this role, you will play a critical part in the enhancement and modernization of Ground-Based Radar (GBR) Systems. Your contributions will include developing and analyzing system requirements, designing system architectures, and collaborating with multidisciplinary teams to deliver advanced radar solutions. This role is based onsite in Colorado Springs, CO.\nWhat You Will Do\nLead the development of architectures and requirements to define, characterize, and document Ground Based Radar (GBR) systems.\nContribute to architectural framework updates, system-of-system functional and performance requirements, detailed algorithm descriptions, test scenario definitions, and verification approaches.\nConduct requirements analysis and benchmarking to validate algorithm designs and ensure system-level performance aligns with operational objectives.\nCollaborate closely with software and integration/test engineers to deliver innovative and high-performing radar solutions.\nQualifications You Must Have\nTypically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience.\nExperience with Radar Systems or related areas of systems engineering, including Model Based System Engineering (MBSE) and/or Cameo.\nExperience with MATLAB (including object-oriented programming), and/or LINUX operating systems.\nQualifications We Prefer\nExperience with radar system concepts including detection, discrimination, tracking, and signal processing algorithms, as well as their behaviors and performance.\nProven experience in system-level requirements development, documentation, maintenance, and/or the design of system-level software architecture.\nHands-on experience in developing and coding system models, algorithms, test vectors, and evaluation tools to analyze radar requirements and performance.\nDemonstrated ability to develop, document, and maintain processes, methods, and tools to ensure engineering excellence.\nTrack record of developing technical solutions to complex engineering challenges.\nProficiency in programming languages such as python, C/C++, Java, and tools like DOORS.\nFamiliarity with the software development process using Agile methodologies and associated tools, such as JIRA and Confluence.\nStrong problem-solving and analytical skills, with a proven history of delivering innovative technical solutions.\nProficiency with the MS Office Suite (Word, Excel, PowerPoint, etc.).\nExcellent communication skills, including technical writing, oral presentations, and interpersonal skills.\nPrevious experience interfacing with customers and leading the development of technical solutions for complex user requirements.\nAbility to work independently as well as collaboratively within a geographically distributed team environment.\nExperience collaborating across disciplines and communicating effectively with all levels of the organization and external stakeholders.\nAdvanced Degree in STEM\nWhat We Offer\nOur values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.\nRelocation Eligibility - Relocation assistance available.\nLearn More & Apply Now!\nPlease consider the following role type definition as you apply for 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.\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":7919,"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":"2026-10-29T02:52:13Z"}],"visa":[],"liveness":{"score":32,"band":"fade","label":"Fading","p_open":1,"p_active":0.577,"p_room":0.55,"age_days":32,"expected_fill_days":26,"reasons":["conf:1","stale_co","wave","velocity","win:tail","comp:brand"],"computed_at":"2026-10-31T05:58:55Z"},"pay":{"stated_usd_annual":204500,"is_top_pay":true},"html_url":"https://alion.io/job/rtx-principal-systems-engineer-3","json_url":"https://alion.io/job/rtx-principal-systems-engineer-3.json","meta":{"generated_at":"2026-10-31T09:46:31Z","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":14824,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"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-principal-systems-engineer-3"},{"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-principal-systems-engineer-3"},{"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-principal-systems-engineer-3"},{"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-principal-systems-engineer-3\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Frtx-principal-systems-engineer-3"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3435900}},{"tool":"search_jobs","arguments":{"company":"rtx.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3435900},"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. Docs: https://alion.io/developers"}}