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# Principal System Security Engineer (Cybersecurity) - P4 (Onsite-Tewksbury, MA)

- **Company:** RTX
- **Location:** Tewksbury, MA, United States
- **Experience:** Expert
- **Salary:** $107,500.0 - $204,500.0
- **Contract:** Permanent contract
- **Skills:** Cyber Security, Databases, Networking Hardware, Reverse Engineering, Software Requirements Analysis, Subsystems, Software Security, Information Technology
- **Published:** October 26, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3468077686&tx=JT10496UHI&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

* 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 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 field of System Security Engineering, computer technology reverse engineering, anti-tamper, cybersecurity, or embedded security
 * Experience with NIST Risk Management Framework (RMF)
 * Experience in technical leadership

Qualifications We Prefer

 * Implementation and business growth of SSE implementation throughout the entire life cycle
 * Experience in solutions meeting robust SSE systems security requirements
 * Cyber Certifications in accordance with DoDD 8570/DoDD 8140 such as CISSP, GSLC, CEH
 * Subcontractor management experience with SSE
 * Broad understanding of technology and working knowledge of DODI-S-5230.28
 * Strategic planning and experience with U.S. Government contract proposals as an Information Assurance Engineer subject matter expert
 * Candidate must exhibit an exceptional degree of ingenuity, creativity, and resourcefulness
 * Excellent interpersonal skills with the ability to interact positively with coworkers, suppliers, stakeholders, and customers in a team environment
 * Experience contributing to a team environment for the purpose of developing creative solutions to technical problems Processes, IA controls and developing and maintaining associated certification and accreditation documentation

## Description

* Coordinate cybersecurity activities across multidisciplinary engineering teams and serve as a technical interface for cybersecurity matters with customers, program leadership, subcontractors, and other stakeholders.
 * Develop plans and estimates, task execution, project tracking, reporting, and risk identification and mitigation plans
 * Ensure compliance with National Institute of Standards and Technology (NIST) Risk Management Framework (RMF) controls
 * Consult and assist program management with SSE architecture and issues
 * Support the development of bids and proposals
 * Define security development and test efforts implementation of security controls of networking devices, databases, operating systems, and hardware and software component
 * Integrate cybersecurity development activities
 * Develop top-level system requirements and flow down requirements and implementation concepts to subsystem
 * Understanding, and compliance with, DoD technology release and export licensing policies