Sr. Systems Security Engineer (Onsite - Largo, FL) TS/SCI clearance required

Date Posted:
2026-10-14


Country:
United States of America


Location:
US-FL-LARGO-382SS ~ 7887 Bryan Dairy Rd. ~ BLDG 100


Position Role Type:
Onsite


U.S. Citizen, U.S. Person, or Immigration Status Requirements:
Active 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​


Security Clearance Type:
TS/SCI - Current


Security Clearance Status:
Active and existing security clearance required on day 1
Raytheon Company, Managed by Collins Aerospace
At 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.
Collins 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.
The Starburst Engineering Department, located in Largo, FL, is seeking a Senior 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.
This role will be worked onsite in Largo, FL and requires an active and transferrable TS/SCI clearance. Relocation assistance is not available.
What You Will Do:
Work 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
Demonstrate your ability to create and present materials to convey concepts and ideas to a wide range of audiences
Work primarily onsite in a closed area environment with occasionally opportunity to work offsite
Demonstrate your ability to create, follow and update to system documentation, schematics and operational guides and procedures
Demonstrate 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
Travel up to 10%
Qualifications You Must Have:
Typically 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
Active and transferable U.S. government issued TS/SCI security clearance is required prior to start date
Experience in Systems Administration using Linux and Windows desktop and server operating systems (Windows 11/Server 2022/RHEL)
Active DoD 8570 IAT Level II certification e.g. CISSP and/or Security+, with the ability to maintain
Proficient knowledge of Enterprise Identity Management applications and design including LDAP (e.g. Active Directory) and PKI
Experience with common VMware products (vSphere, vCenter, ESXi) and overall virtualization implementations
Qualifications We Prefer:
Broad 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
Experience with various computing hardware and software platforms, including servers, workstations, supporting various COTS software applications
Experience maintaining Window servers and troubleshooting software applications
Experience with custom software applications
Experience with enterprise firewalls, including knowledge of firewall policies/rulesets
Understanding of basic network engineering fundamentals, including: OSI layers, IP addressing, sub-netting, TCP/IP stack, VLANs, well-known ports and protocols, etc.
Knowledge and experience leading or contributing to integration efforts involving either Cybersecurity, Risk Management Framework, or Information Assurance
Knowledge of how to scan hardware and software for compliance and vulnerabilities utilizing industry tools such as Assured Compliance Assessment System (ACAS)
Understanding of configuring and troubleshooting anti-virus applications, such as Trellix
Sound foundation in Data Management and Configuration Management principles, process, and concepts
Knowledge of Zero Trust principles
Experience configuring and troubleshooting SIEM tools (e.g. Splunk)
Experience working with command-line interfaces and scripting (PowerShell, Bash, etc.)
Experience with Agile project methodologies, and Jira workflows
What We Offer:
Some of our competitive benefits package includes:
Medical, dental, and vision insurance
Three weeks of vacation for newly hired employees
Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
Tuition reimbursement program
Student Loan Repayment Program
Life insurance and disability coverage
Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
Birth, adoption, parental leave benefits
Carrot Health, fertility, and family planning
Adoption Assistance
Autism Benefit
Employee Assistance Plan, including up to 10 free counseling sessions
Healthy You Incentives, wellness rewards program
Doctor on Demand, virtual doctor visits
Bright Horizons, child and elder care services
Teladoc Medical Experts, second opinion program
And more!
Learn More & Apply Now!
Collins 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.
Collins 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).
Our 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.
Together, 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.
Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:
Onsite: 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.
As 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.
The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of a