Principal System Security Engineer (Onsite) – P4

Date Posted:

2026-04-10

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:

DoD Clearance: TS/SCI

Security Clearance Status:

Active and existing security clearance required on day 1

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring 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. Our team solves tough, meaningful problems that create a safer, more secure world.

Raytheon is seeking a well-qualified Principal System Security Engineer (SSE) – P4 to join the Cyber Security Engineering team for a dynamic, high-profile program located in Largo, Florida. This position is in a technical growth area and we need individuals who can apply their technical knowledge and experience to system security engineering and program protection concerns within the key areas of cybersecurity. This role includes the operations and maintenance of classified information system. The SSE will participate in the development of security solutions and will be responsible for executing solutions for a secure system product.  Activities will consist of maintaining security subsystem specifications, adherence to security subsystem architecture, participating in Risk Management Framework assessments and authorizations. This is an onsite position at Raytheon in Largo, FL.

What You Will Do

• As a System Administrator ensure the confidentiality, integrity and availability of IT systems and applications

• Optimizing Windows based server infrastructure in a distributed information system

• Providing guidance in support of administrative tasking, to include corrective/preventive maintenance, recurring operations functions, account management, and system optimization

• Coordinating technical and process document reviews and resolving system administration, engineering, and integration issues

• Participating in technical meetings with team members and other program personnel

• Participating in the development and implementation of systems security solutions

• Performing hands-on technical implementation of security solutions comprised of COTS & FOSS technology

Qualifications You Must Have

• Typically requires a Bachelor’s Degree in Science, Technology, Engineering or Mathematics (STEM) and 8 years of prior relevant experience

• Active and transferable U.S. government issued DoD Top Secret Security SCI clearance and the ability to obtain Special Access Clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance       

• Experience with designing, implementing, testing and fielding real-time security-oriented solutions on Department of Defense (DoD) programs

• Experience in developing system requirements and flow down requirements and implementation concepts to subsystems

• Department of Defense Directive (DoDD) 8140 / 8570 Certification, CompTIA Security+ Certification or equivalent requirements (CompTIA Security+ CE or equivalent certification)

• Experience with the following technologies: Active Directory, WSUS, VMware, and prior systems administration and networking administration experience, Windows administration, backup, and recovery enterprise suites

Qualifications We Prefer

• Excellent analytical abilities, critical thinking and creative problem solving

• Experience writing technical documentation

• Excellent written and verbal communication skills

• Direct working experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF

• Industry certifications include but are not limited to: CISSP, ITIL, Security+

What We Offer

• Our 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

• Relocation Eligible – Relocation assistance is available

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