2026 – Systems Security Engineer II (Onsite)

Date Posted:

2026-02-04

Country:

United States of America

Location:

US-CA-FULLERTON-675 ~ 1801 Hughes Dr ~ BLDG 675

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: Secret

Security Clearance Status:

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

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. 

Job Summary:

Systems Security Engineering creates holistic security solutions leveraging Cyber Security, Software Assurance and Supply Chain Risk Management to support Program Protection Implementation on embedded weapons systems. Join our highly visible team and perform technically challenging assignments, which will directly contribute to protecting our nation and our Warfighters.

This is an onsite position in Fullerton, CA.

What You Will Do:

• Perform analysis on cybersecurity collected data and test results
• Create patch artifacts such as patch media and information assurance posture reports; run regression tests on the system
• Validate secure configuration of routers, switches, firewalls, servers, operating systems, applications, and other assets, using DoD approved scanning and assessment tools such as Nessus, STIG, Evaluate STIG, and/or RADIX.
• Create and maintain Linux Bash and Python scripts

Qualifications You Must Have:  

• Master’s degree in science, Technology, Engineering, or Mathematics (STEM)
• This position requires 12 months or less of relevant professional work experience (excluding internships)
• Ability to obtain and maintain a U.S. government issued security clearance prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
• Experience with tools, such as Linux or Python
• Experience with troubleshooting technical issues with electronics in an academic or internship setting, including the use of common commercial test equipment (oscilloscope, spectrum analyzer, etc.)

Qualifications We Prefer:

• Specific majors: Systems Engineering, Cybersecurity, or related STEM discipline
• Knowledge of data analysis, modeling and simulation, statistics, and various computational techniques for complex multi-variable problems.
• Quick learner and motivated
• Experience with Linux Bash and Python scripting
• Cyber Certifications in accordance with DoDD 8570/DoDD 8140 such as CISSP, GSLC, CEH
• Knowledge/course work of radar, signal & image processing, digital communications, control theories, estimation theory and/or electro optics
• Current/Active DoD security clearance or SSBI

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

Learn More & Apply Now!

Please consider the following role type definition as you apply for this role.

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.

Please upload a copy of your most recent transcripts with your resume when applying to this requisition. Include your cumulative GPA and projected graduation date on your resume.

This position requires the ability to obtain a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm

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