{"id":1125108,"url":"https://alion.io/job/rtx-sr-systems-security-engineer-onsite-largo-fl-tssci-clearance-required","title":"Sr. Systems Security Engineer (Onsite - Largo, FL) TS/SCI clearance required","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":89,"open_postings":416,"ghost_share":0,"stale_share":0.639,"repost_share":0.031,"time_to_fill_p50_days":8,"computed_at":"2026-10-24T06:02:35Z"}},"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":["Largo, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":86800,"max":165200,"currency":"USD","period":"year","gross":null,"usd_annual":165200},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"Agile","optional":false},{"name":"Bash","optional":false},{"name":"Jira","optional":false},{"name":"LDAP","optional":false},{"name":"PKI","optional":false},{"name":"PowerShell","optional":false},{"name":"SIEM","optional":false},{"name":"Splunk","optional":false},{"name":"TCP/IP","optional":false},{"name":"VMWare","optional":false},{"name":"Windows","optional":false},{"name":"Zero Trust","optional":false}],"status":"live","first_seen_at":"2026-09-22T20:59:21Z","employer_posted_date":"2026-10-14","last_verified_at":"2026-10-24T11:10:13Z","board_verified":true,"closed_at":null,"days_open":31,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":31},"description":"Date Posted:\n2026-10-14\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:\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:\nTS/SCI - Current\n\nSecurity Clearance Status:\nActive and existing security clearance required on day 1Raytheon Company, Managed by Collins Aerospace\nAt 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.\nThe Starburst Engineering Department, located in Largo, FL, is seeking aSenior Systems Security Engineer to contribute to the development and deployment of Security solutions on the Starburst program. This candidate will be integrated into a multi-discipline team environment, with representation from System Engineers, Software Engineers, Cyber Engineers, Digital Technology, and Field Services. Primary responsibilities are the implementation and sustainment of requirements for deployed products and services that are in operational and sustainment states. As a Systems Security Engineer, this candidate will make a significant impact to the program’s execution, working with the Project Engineers (Cost Account Managers and Integrated Product Team Leads) and other discipline leads to execute the development and deployment of program products and services.\nThis role will be worked onsite in Largo, FL and requires an active and transferrable TS/SCI clearance. Relocation assistance is not available.\nWhat You Will Do:\nWork within the Security Engineering domain and as a part of the larger enterprise engineering effort, you will operate within a custom, air-gapped, Department of Defense (DoD) IT network on a daily basis to perform advanced support and direct deployment of new capabilities at a sustained rate\nDemonstrate your ability to create and present materials to convey concepts and ideas to a wide range of audiences\nWork primarily onsite in a closed area environment with occasionally opportunity to work offsite\nDemonstrate your ability to create, follow and update to system documentation, schematics and operational guides and procedures\nDemonstrate your ability to interface with other teams to help define, determine and implement cyber risk posture, cyber risk mitigation and information assurance throughout the enterprise IT service portfolio on a sustained level\nTravel up to 10%\nQualifications You Must Have:\nTypically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience\nActive and transferable U.S. government issued TS/SCI security clearance is required prior to start date\nExperience in Systems Administration using Linux and Windows desktop and server operating systems (Windows 11/Server 2022/RHEL)\nActive DoD 8570 IAT Level II certification e.g. CISSP and/or Security+, with the ability to maintain\nProficient knowledge of Enterprise Identity Management applications and design including LDAP (e.g. Active Directory) and PKI\nExperience with common VMware products (vSphere, vCenter, ESXi) and overall virtualization implementations\nQualifications We Prefer:\nBroad understanding of traditional, and current on-prem enterprise IT systems and technologies and its impacts to the security of: - Identification, Credential and Access Management (ICAM) for those systems. - secure enterprise messaging - Enterprise Logging Ingest, - Cyber Situational Awareness and protection, - Endpoint Detection and Response\nExperience with various computing hardware and software platforms, including servers, workstations, supporting various COTS software applications\nExperience maintaining Window servers and troubleshooting software applications\nExperience with custom software applications\nExperience with enterprise firewalls, including knowledge of firewall policies/rulesets\nUnderstanding of basic network engineering fundamentals, including: OSI layers, IP addressing, sub-netting, TCP/IP stack, VLANs, well-known ports and protocols, etc.\nKnowledge and experience leading or contributing to integration efforts involving either Cybersecurity, Risk Management Framework, or Information Assurance \nKnowledge of how to scan hardware and software for compliance and vulnerabilities utilizing industry tools such as Assured Compliance Assessment System (ACAS)\nUnderstanding of configuring and troubleshooting anti-virus applications, such as Trellix\nSound foundation in Data Management and Configuration Management principles, process, and concepts\nKnowledge of Zero Trust principles\nExperience configuring and troubleshooting SIEM tools (e.g. Splunk)\nExperience working with command-line interfaces and scripting (PowerShell, Bash, etc.)\nExperience with Agile project methodologies, and Jira workflows\nWhat We Offer:\nSome of our competitive benefits package includes:\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 \nCarrot 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 \nAnd more! \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 standard 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 86,800 USD - 165,200 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":10932,"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","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":"2026-09-22T20:59:21Z"}],"visa":[],"liveness":{"score":11,"band":"cold","label":"Long shot","p_open":1,"p_active":0.308,"p_room":0.35,"age_days":31,"expected_fill_days":8,"reasons":["conf:2","stale_co","velocity","win:tail","comp:brand"],"computed_at":"2026-10-24T06:02:35Z"},"pay":{"stated_usd_annual":165200,"is_top_pay":false},"html_url":"https://alion.io/job/rtx-sr-systems-security-engineer-onsite-largo-fl-tssci-clearance-required","json_url":"https://alion.io/job/rtx-sr-systems-security-engineer-onsite-largo-fl-tssci-clearance-required.json","meta":{"generated_at":"2026-10-24T12:59:10Z","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":18730,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-25T00:00:00Z"}},"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-sr-systems-security-engineer-onsite-largo-fl-tssci-clearance-required"},{"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-sr-systems-security-engineer-onsite-largo-fl-tssci-clearance-required"},{"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-sr-systems-security-engineer-onsite-largo-fl-tssci-clearance-required"},{"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-sr-systems-security-engineer-onsite-largo-fl-tssci-clearance-required\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Frtx-sr-systems-security-engineer-onsite-largo-fl-tssci-clearance-required"}]}