{"id":1086071,"url":"https://alion.io/job/rtx-embedded-systems-security-engineer-onsite-largo-fl","title":"Embedded Systems Security Engineer (Onsite - Largo, FL)","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":94,"open_postings":199,"ghost_share":0,"stale_share":0.397,"repost_share":0.06,"time_to_fill_p50_days":9,"computed_at":"2026-10-20T05:45:00Z"}},"role":"Security","role_family":"Security","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Largo, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":68900,"max":131100,"currency":"USD","period":"year","gross":null,"usd_annual":131100},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Confluence","optional":false},{"name":"Nessus","optional":false},{"name":"Nmap","optional":false}],"status":"live","first_seen_at":"2026-08-26T00:00:00Z","employer_posted_date":"2026-08-26","last_verified_at":"2026-10-20T19:21:35Z","board_verified":true,"closed_at":null,"days_open":55,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":55},"description":"Date Posted:\n2026-08-26\n\nCountry:\nUnited States of America\n\nLocation:\nUS-FL-LARGO-382SS ~ 7887 Bryan Dairy Rd. ~ BLDG 100\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 1Raytheon Company, Managed by Collins Aerospace\nCollins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.\nThe Product Cybersecurity Engineering DoD East Florida team is hiring an Embedded Systems Security Engineer to support programs for our US military and various international customers, keeping the world safe from foreign threats. This team supports multiple Collins contracts and is seeking to fill roles across several open contracts - our goal is to align each new hire with a position that best suits their skills and allows for career growth. The ideal candidate will be skilled in requirement allocation and decomposition, analyzing system architectures, designing security features and principles, assessing security vulnerabilities (scanning), and formal cybersecurity test and evaluation (CT&E). The candidate will report to the Senior Manager of Cybersecurity Engineering and work collaboratively with cross-functional engineering teams on the program they support.\nThis role will be worked onsite in Largo, FL. Relocation assistance is available. Active and transferrable SECRET clearance or ability to obtain after start is required.\nWhat You Will Do:\nSupport system certification and accreditation efforts, including Risk Management Framework (RMF) Authorization To Operate (ATO) and National Security Agency (NSA) Type 1 Cryptographic Certification\n\nSupport cybersecurity requirement decomposition, allocation, implementation, and verification utilizing system engineering practices\n\nAnalyze system requirements, models, and diagrams to identify potential security vulnerabilities\n\nParticipate in system design discussions and provide security engineering input\n\nCollaborate with systems engineers and developers to integrate security considerations into system design\n\nWork as part of a team, contributing to a culture of collaboration and continuous learning\n\nMaintain awareness of evolving security threats and industry best practices\n\nParticipate in Security focused-System Verification and Validation including writing test plans and procedures, performing test conduct, and providing remediation recommendation analysis\n\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\n\nActive and transferrable SECRET clearance or ability to obtain after start.\n\nU.S. citizenship is required, as only U.S. citizens are eligible for a security clearance\n\nExperience with Risk Management Framework (RMF)\n\nExperience with general technical security concepts, technologies, and implementations\n\nTechnical writing skills and ability to develop security documentation\n\nUnderstanding of System Security Engineering domain\n\nQualifications We Prefer:\nActive and transferable TOP SECRET clearance\n\nExperience with National Security Agency (NSA) cryptographic certification, Cross Domain Solution (CDS) requirements, and National Information Assurance Partnership (NIAP)\n\nFamiliarity with DOORS, JIRA, Confluence, Cameo (MBSE experience), or other systems modeling and agile tools\n\nAdvanced Security-related certifications (e.g., CISSP, Sec+, etc.) and Electrical or Computer Engineering Degree\n\nPrior experience working with security protocols used in embedded systems and communications for aerospace environments\n\nFamiliarity with DoD focused security assessment tools, e.g. SCC, NMAP, Evaluate-STIG, Nessus, ACAS, Vulnerator, eMASSster, etc.\n\nWillingness to learn about satellite systems, communication systems, and evolving security technologies\n\nExperience applied to mission systems used in disconnected DoD environments\n\nAnalytical skills with the ability to perform deep dives into system requirements\n\nExperience to interpret system models, diagrams, and architectures to assess security risks\n\nWhat We Offer:\nMedical, dental, and vision insurance Three weeks of vacation for newly hired employees\n\nGenerous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option\n\nTuition reimbursement programStudent Loan Repayment Program\n\nLife insurance and disability coverage\n\nOptional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protectionBirth, adoption, parental leave benefits\n\nOvia Health, fertility, and family planning\n\nAdoption Assistance\n\nAutism Benefit\n\nEmployee Assistance Plan, including up to 10 free counseling sessions\n\nHealthy You Incentives, wellness rewards program\n\nDoctor on Demand, virtual doctor visits\n\nBright Horizons, child and elder care services\n\nTeladoc Medical Experts, second opinion program\n\nAnd more!\n\nLearn More & Apply Now!\nCollins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.\nCollins Aerospace makes modern flight possible. Of course, that wouldn’t be possible without the capabilities and technologies of our organization, as well as our engineers - a highly skilled, accomplished network that spans more than 180 sites, 24 countries and 6 Strategic Business Units (SBUs).\nOur industry-leading experts are setting the standards for the aerospace industry and paving the way for the future. But as new challenges present themselves, we need fresh, creative and motivated minds to overcome these hurdles, help us break barriers and achieve new levels of innovation. Do you have what it takes to join a global organization that doesn’t shy away from big opportunities? If so, we invite you to join our ranks and create the next generation of aerospace technologies.\nTogether, we will nurture an engineering culture that values intellectual curiosity, risk takers and integrity. A place where we will challenge ourselves, our teams, and the status quo and where we will work to find a way - the right way - to achieve what others can only dream of.\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 68,900 USD - 131,100 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":9832,"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":["Continuous learning","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":["Electrical & Electronic Engineering","Cybersecurity","Science & Engineering","Information Security"],"lifecycle":[{"event":"open","at":"2026-09-21T09:04:37Z"}],"visa":[],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.178,"p_room":0.28,"age_days":55,"expected_fill_days":9,"reasons":["conf:4","velocity","win:tail","crowd:junior,brand"],"computed_at":"2026-10-20T05:45:00Z"},"pay":{"stated_usd_annual":131100,"is_top_pay":true},"html_url":"https://alion.io/job/rtx-embedded-systems-security-engineer-onsite-largo-fl","json_url":"https://alion.io/job/rtx-embedded-systems-security-engineer-onsite-largo-fl.json","meta":{"generated_at":"2026-10-20T20:25:00Z","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":23638,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-21T00:00:00Z"}},"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-embedded-systems-security-engineer-onsite-largo-fl"},{"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-embedded-systems-security-engineer-onsite-largo-fl"},{"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-embedded-systems-security-engineer-onsite-largo-fl"},{"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-systems-security-engineer-onsite-largo-fl\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Frtx-embedded-systems-security-engineer-onsite-largo-fl"}]}