Position Overview

Date Posted: 2026-01-26
Country: United States of America
Location: US-CA-FULLERTON-675 ~ 1801 Hughes Dr ~ BLDG 675
Position Role Type: Onsite

Security 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
• Active and existing security clearance required on day 1

About the Role

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 (P4) to join our Systems Security Engineering (SSE) team in developing solutions to protect the Warfighter's technology advantage. 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 at Raytheon in Fullerton, CA.

Responsibilities

• Lead the SSE team under the radar software maintenance contract
• Interact with the customer to define SSE requirements, solutions, trades, costs, implementation, system impacts and effectiveness
• Develop plans and estimates, task execution, project tracking, reporting and risk identification and mitigation plans
• Lead the development of Risk Management Framework (RMF) documents for Authority to Operate (ATO) accreditation
• Ensure compliance with National Institute of Standards and Technology (NIST) RMF security controls and National Security Agency (NSA) security requirements for radar
• Consult and assist program management with SSE architecture and issues
• Support the development of bids and proposals

Required Qualifications

• 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 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 using and configuring Red Hat Enterprise Linux operating systems
• Experience developing BASH, Python or Powershell scripts

Preferred Qualifications

• Experience in using Red Hat Enterprise Linux, Windows, Cisco operating systems including in depth hands on configuration, system hardening, kernel tuning and system internals
• Experience in systems engineering, including any of the following: System Requirements definition and analysis, System Test and Analysis, Systems Engineering Studies, NIST Risk Management Framework (RMF)
• Excellent interpersonal skills with the ability to interact positively with coworkers, suppliers, stakeholders and customers in a team environment
• Experience as a team leader or as a manager
• Candidate must exhibit an exceptional degree of ingenuity, creativity, and resourcefulness
• Experience with earned value management and cost account management
• Strong proposal writing experience, with the ability to articulate security solutions in proposals and Request for Proposal (RFP) responses
• Cyber Certifications in accordance with DoDD 8570/DoDD 8140 such as CISSP, GSLC, CEH
• Ability to perform security testing and validation, including automated vulnerability scanning such as Nessus, STIG, Evaluate STIG and/or RADIX
• Experience with leading scrum teams and using Jira

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.

Salary Range: $118,300 USD - $224,900 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.

Relocation: Relocation assistance is available

Benefits: 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
• 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.

Incentive Compensation: 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.

Additional Information

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.

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.

Equal Opportunity Statement

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.

About RTX

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.