Principal Systems Security Engineer

Join BAE Systems as a Principal Systems Security Engineer based in Totowa, Passaic County, where you'll lead the design and implementation of advanced security architectures protecting critical infrastructure and defense systems. This full-time position offers the opportunity to work at the cutting edge of systems security, defending against sophisticated adversaries and emerging threats.

About the Role

As a Principal Systems Security Engineer, you'll oversee the security posture of complex, mission-critical systems. You'll architect defensive solutions, conduct vulnerability assessments, and guide teams in implementing security best practices across hardware, firmware, and software layers. This senior-level role demands deep technical expertise, strategic thinking, and the ability to anticipate and neutralize advanced threats before they impact operations.

What You'll Do

• Design and validate security architectures for large-scale systems and infrastructure
• Conduct reverse engineering analysis to identify attack vectors and develop countermeasures
• Lead threat modeling exercises and risk assessments for critical technologies
• Develop security specifications and requirements for new programs and platforms
• Guide engineering teams through secure coding practices, cryptographic implementation, and defense-in-depth strategies
• Evaluate emerging security technologies and recommend solutions aligned with mission requirements
• Collaborate with cross-functional teams to resolve security issues in production systems

What We're Looking For

• Deep expertise in systems security, with demonstrated experience in hardware, firmware, or embedded systems security
• Proven track record of identifying and remediating complex security vulnerabilities
• Familiarity with threat analysis, penetration testing, and adversarial assessment methodologies
• Strong background in cryptography, secure architecture design, or network security protocols
• Experience with security standards, compliance frameworks, and defensive security practices
• Excellent communication skills—able to explain technical security concepts to both engineers and non-technical stakeholders
• TS/SCI clearance or ability to obtain one preferred
• Bachelor's degree in computer science, electrical engineering, or equivalent professional experience

About BAE Systems

BAE Systems is a global defense, aerospace, and security company delivering innovative solutions to protect national security interests. We invest in world-class talent and cutting-edge technology to solve complex challenges facing government and commercial customers worldwide.

How to Apply

To apply for this Principal Systems Security Engineer position in Totowa, Passaic County, submit your application through this job listing. Include your resume and a summary of your systems security experience.