Information Systems Security Engineer (ISSE)

Must have a TOP SECRET/SCI level security clearance. This position is 100% on-site. The entirety of the workspace is a Special Compartmented Information Facility (SCIF). We are seeking an experienced Information Systems Security Engineer (ISSE) to support mission-critical programs. The ideal candidate will possess deep expertise in cybersecurity engineering, Risk Management Framework (RMF), and secure system design within high-security environments. This role requires a proactive professional capable of ensuring compliance with federal security standards while supporting advanced cyber initiatives, including Zero Trust architectures.

Key Responsibilities

• Apply the Risk Management Framework (RMF) in accordance with NIST SP 800-37 and NIST SP 800-53 to assess, authorize, and monitor systems
• Conduct comprehensive risk assessments, vulnerability analysis, and security evaluations
• Support the design, implementation, and maintenance of Zero Trust architectures
• Develop and maintain system security documentation, including SSPs, POA&Ms, and security controls
• Collaborate with system engineers, architects, and stakeholders to ensure secure system design and integration
• Evaluate security controls for effectiveness and compliance with federal and agency requirements
• Support continuous monitoring efforts and incident response activities
• Provide technical guidance on cybersecurity best practices and evolving threats

Required Qualifications

• 6+ years of cybersecurity experience in engineering, compliance, or risk management
• Bachelor's degree (or higher) in a technical discipline (e.g., Cybersecurity, Computer Science, Information Systems, Engineering)
• Active TS/SCI clearance
• One of the following certifications:
• CISSP (Certified Information Systems Security Professional)
• CASP+ (or SecurityX equivalent)

Desired Skills & Experience

• Strong expertise in:
• RMF implementation and lifecycle management
• NIST SP 800-53 security controls
• NIST SP 800-37 Risk Management Framework
• Security assessment and authorization (A&A) processes

Experience working in classified or highly secure government environmentsKnowledge of Zero Trust security principles and architecture

Preferred / Bonus Qualifications

• Experience supporting or familiarity with:
• NLCC (National Leadership Command Capability)
• NC3 (Nuclear Command, Control, and Communications)
• Nuclear Command and Control systems
• NSA cryptography methodologies and standards

Job Posted by ApplicantPro