Clearance Required: Secret (Interim acceptable)

We’re looking for a Principal Systems Security Engineer (Anti-Tamper/Program Protection) P4 who enjoys working on complex, high-impact systems and collaborating across engineering teams.

This role supports advanced defense and aerospace systems, focusing on mission-critical technologies used in real-world operational environments.

In this role, you’ll contribute across the full system lifecycle—from concept and design through integration, testing, and production support.

What You’ll Do:
- Collaborate with cross-functional teams to define and develop system solutions
- Support system integration, testing, and validation activities
- Work with models, simulations, prototypes, and hardware/software systems
- Identify risks and support technical decision-making
- Help improve system performance, reliability, and efficiency

What We’re Looking For:
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 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 technical leadership - Experience in System Security Engineering, computer technology reverse engineering, Anti-Tamper, cybersecurity or embedded security - Experience designing, implementing, testing, and fielding real-time embedded security-oriented solutions on Department of Defense (DoD) programs with secure systems technologies, methodologies, policies, and guidelines - Experience generating security (cyber, Anti-Tamper and/or program protection) requirements, design and architecture artifacts, plans, and/or policies Qualifications We Prefer - DoD Top Secret clearance with current SSBI within last 5 years desired - Experience in design, development and fielding of SSE systems - Software, Firmware, & Microelectronics Engineering, Cryptography and FPGA design - Attack threat modeling / Critical Program Information Assessments - Attack threat modeling / Critical Program Information Assessments - Experience in the 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 - Broad understanding of technology and working knowledge of DODI-S-5230.28 - Aircraft/weapons integration experience - Strategic planning and proposal writing skills - Candidate must exhibit an exceptional degree of ingenuity, creativity, and resourcefulness

Additional Details:
- Onsite role in LOC_USA_MA801 1001 Boston Post Road Building 2 Marlborough Massachusetts United States
- U.S. Citizenship required
- Work on cutting-edge, mission-critical technology