Information Systems Security Engineer (ISSE)

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 Coast Guard OPTEVFOR 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 environments Knowledge 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 Axiom Consultants