ClearanceJobs is hiring: Cybersecurity Engineer - Senior in Washington

Senior Cybersecurity Engineer

The Senior Cybersecurity Engineer will lead the design, implementation, and continuous hardening of cybersecurity architectures for AI/ML systems deployed across classified networks, including JWICS. This role requires balancing robust security protections with mission effectivenessensuring AI-enabled solutions remain resilient, compliant, and trusted in operational environments. Senior engineers are expected to operate hands-on while also mentoring junior teammates, driving security frameworks, and advising stakeholders across the client's program. The position requires initiative, adaptability, and the ability to anticipate threats in a dynamic national security context.

Primary Responsibilities:

• Design and implement security architectures for AI/ML systems in classified environments
• Conduct security assessments and penetration testing of AI applications
• Develop security policies and procedures specific to AI/ML workloads
• Lead incident response activities and forensic analysis for AI system compromises
• Implement advanced threat detection and monitoring solutions
• Ensure compliance with federal security standards (NIST, DoD, IC directives)
• Mentor junior cybersecurity personnel and provide technical guidance
• Coordinate with stakeholders on security requirements and risk assessments

Required Experience:

• Active TS/SCI clearance with ability to obtain a CI Polygraph
• Typically 10+ years of cybersecurity experience, preferably within DoD/IC environments
• Professional certifications such as CISSP, CISM, CEH, or equivalent
• Deep knowledge of network security, cryptography, and secure coding practices
• Experience with SIEM, vulnerability scanners, and penetration testing toolsets
• Understanding of AI/ML security considerations, including adversarial threats
• Hands-on experience securing cloud environments (AWS preferred)
• Ability to thrive in high-tempo, ambiguous environments while maintaining mission focus

Preferred Experience:

• Prior military service or direct support to DoD/IC programs
• Background in securing distributed systems, containerized workloads, and real-time data platforms
• Familiarity with Responsible AI frameworks and model security practices
• Strong communication skills and ability to operate as a "Swiss-army knife" in small, fast-moving teams

Benefits:

• Equity participation
• 401(k) retirement plan
• Unlimited paid time off (PTO)
• Paid parental leave
• Paid holidays
• Comprehensive medical, dental, vision, and life insurance
• Short- and long-term disability coverage