Principal Systems Security Engineer – P4 (Onsite-CA)

Date Posted:

2026-05-13

Country:

United States of America

Location:

US-CA-GOLETA-H01 ~ 6380 Hollister Ave ~ BLDG H01

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:

Secret - Current

Security Clearance Status:

Active and existing security clearance required on day 1

At RTX, the world 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. 

Raytheon 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.

Raytheon is seeking a Principal Systems Security Engineer (SSE) - P4 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 possess and maintain an active DoD Secret security clearance and work in classified areas, with up to 25% travel required. This is an onsite position at Raytheon in Goleta, CA.

What You Will Do

• Perform Critical Program Information (CPI) analysis

• Perform SSE requirements generation, derivation, decomposition, and analysis

• Perform and document SSE trade-studies and provide path forward recommendations

• Generate systems engineering modeling and artifacts, including functional block, sequence, and activity diagrams

• Develop the program Anti-Tamper Plan

• Develop and execute Verification and Validation (V&V) Plans and Procedures

• Present in internal and external customer reviews and program milestones

• Report tasking status and communications with program and functional leadership

• Travel up to 25% as necessary

What You Will Learn

• Raytheon Anti-Tamper Learning program

• Raytheon Cybersecurity Bootcamp

Qualifications You Must Have  

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

• Active and transferable U.S. government issued DoD Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

• Experience in the development, design, and/or implementation of embedded security products and technologies

Qualifications We Prefer

• Experience with Critical Program Information (CPI) analysis

• Experience with the Anti-Tamper Engineering Framework (ATEF)

• Familiarity with DoD Instruction 8510.01 Risk Management Framework for DoD Systems

• Experience with Defense-Grade and Commercial-Off-The-Shelf security devices and components

• Experience with engineering team leadership

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

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, regard