{"id":2231852,"url":"https://alion.io/job/rtx-senior-systems-security-engineer-p3-onsite-el-segundo-ca","title":"Senior Systems Security Engineer - P3 (Onsite-El Segundo, CA)","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":93,"open_postings":247,"ghost_share":0,"stale_share":0.449,"repost_share":0.049,"time_to_fill_p50_days":8,"computed_at":"2026-10-22T06:10:10Z"}},"role":"Security","role_family":"Security","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":["El Segundo, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":95500,"max":181700,"currency":"USD","period":"year","gross":null,"usd_annual":181700},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Cameo Systems Modeler","optional":false},{"name":"Verification & Validation","optional":false}],"status":"live","first_seen_at":"2026-10-08T00:00:00Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-22T16:22:07Z","board_verified":true,"closed_at":null,"days_open":14,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":14},"description":"Date Posted:\n2026-10-08\n\nCountry:\nUnited States of America\n\nLocation:\nUS-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01\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:\nDoD Clearance: Secret\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 freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.\nRaytheon is seeking a Senior Systems Security Engineer (SSE) - P3 to join the SSE Sensors, Space, & Air department. The team member will apply their technical knowledge and expertise in the fields of Anti-Tamper and embedded Cybersecurity to ensure secure products are delivered to the end-user. The SSE will be responsible for individual and team leadership contributions to execute program deliverables and milestones, including communications and briefings with internal stakeholders, leadership, and external customers. The candidate will follow the Raytheon Systems Engineering processes to develop, design, integrate, test, and evaluate security solutions within embedded systems. Must be able to work independently and be a motivated self-starter. The individual must work in classified areas, with up to 25% travel required. This is an onsite position at Raytheon in El Segundo, CA.\nWhat You Will Do\nPerform Critical Program Information (CPI) analysis\nPerform SSE requirements generation, derivation, decomposition, and analysis\nPerform and document SSE trade-studies and provide path forward recommendations\nGenerate systems engineering modeling and artifacts, including functional block, sequence, and activity diagrams\nDevelop the program Anti-Tamper Plan\nDevelop and execute Verification and Validation (V&V) Plans and Procedures\nPresent in internal and external customer reviews and program milestones\nReport tasking status and communications with program and functional leadership\nTravel up to 25% as necessary\nWhat You Will Learn\nRaytheon Anti-Tamper Learning program\nRaytheon Cybersecurity Bootcamp\nQualifications You Must Have\nTypically requires a Bachelor’s Degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience\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\nExperience with design/development/implementation in at least one of the following areas: Anti-Tamper (HW, SW, Systems), Cybersecurity, Software Assurance\nA minimum of 3 years of progressive technical (hands-on) experience related to Systems/Software Engineering architecture, requirements, determination, development, and implementation\nExperience in designing, implementing, testing and fielding real-time embedded security-oriented solutions on Department of Defense (DoD) programs with secure systems technologies, methodologies, policies and guidelines\nQualifications We Prefer\nA Degree in Electrical Engineering, Systems Engineering, Mechanical Engineering, Engineering Mechanics, Computer Science or Engineering Science\nKnowledge in generating systems requirements, design and architecture artifacts, plans and/or policies\nKnowledge in Software, Firmware, & Microelectronics Engineering, Cryptography and FPGA design\nBroad understanding of technology and working knowledge of DODI-S-5230.28\nExperience in Model Based Systems Engineering Tools such as CAMEO\nCandidate must exhibit ingenuity, creativity and resourcefulness\nExperience contributing in a team environment for the purpose of developing creative solutions to technical problems\nWhat We Offer\nOur values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation\nRelocation Eligible - Relocation assistance is available\nPlease ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:\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 95,500 USD - 181,700 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":7655,"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","Relocation assistance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Cybersecurity","Manufacturing","Science & Engineering","Information Security"],"lifecycle":[{"event":"open","at":"2026-10-10T20:41:32Z"}],"visa":[],"liveness":{"score":30,"band":"fade","label":"Fading","p_open":1,"p_active":0.656,"p_room":0.45,"age_days":14,"expected_fill_days":8,"reasons":["conf:2","velocity","win:tail","comp:brand"],"computed_at":"2026-10-22T06:10:10Z"},"pay":{"stated_usd_annual":181700,"is_top_pay":true},"html_url":"https://alion.io/job/rtx-senior-systems-security-engineer-p3-onsite-el-segundo-ca","json_url":"https://alion.io/job/rtx-senior-systems-security-engineer-p3-onsite-el-segundo-ca.json","meta":{"generated_at":"2026-10-22T18:09:10Z","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":582,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-23T00:00:00Z"}},"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-systems-security-engineer-p3-onsite-el-segundo-ca"},{"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-systems-security-engineer-p3-onsite-el-segundo-ca"},{"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-systems-security-engineer-p3-onsite-el-segundo-ca"},{"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-systems-security-engineer-p3-onsite-el-segundo-ca\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Frtx-senior-systems-security-engineer-p3-onsite-el-segundo-ca"}]}