Information Systems Security Engineer (ISSE)-TS/SCI w/Poly

Information Systems Security Engineer (ISSE)-TS/SCI w/Poly Job Locations US-MD-Annapolis Junction Requisition ID 2026-166253 Position Category Cyber Security Clearance Top Secret/SCI w/Poly Responsibilities

Responsibilities: As an Information Systems Security Engineer (ISSE) , you will play a key role in securing complex systems, ensuring compliance with federal cybersecurity frameworks, and protecting sensitive information.

Duties will include: Conduct vulnerability management using enterprise tools including Tenable Security Center, and Nessus scanners Perform or review technical security assessments of large-scale cloud based computing environments to identify points of vulnerability, non-compliance with established Information Assurance (IA) standards and regulations, and recommend mitigation strategies.

Provide security planning, assessment, risk analysis, and risk management. Perform system or network designs that encompass multiple enclaves, to include those with differing data protection/classification requirements.

Recommend system-level solutions to resolve security requirements. Support the Government in the enforcement of the design and implementation of trusted relationships among external systems and architectures. #MDFSP Qualifications

Qualifications: Active TS/SCI security clearance with current polygraph is required Fourteen (14) years of experience as an ISSE on similar programs Bachelor’s degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline is required.

Four (4) years of ISSE experience may be substituted for a bachelor’s degree. DoD 8570.01-M compliance with IASAE Level 2 is required. CISSP certification is required.

Possession of a CISSP certification is required and will be verified as part of the interview or offer process.

BENEFITS This critical National Security role is eligible for Peraton's premier benefits package, designed to recognize and support the professionals safeguarding our nation.

A few highlights: 280 hours of annual leave (5 weeks of PTO & 2 weeks of holiday) Health Benefits (medical, dental & vision) – very low to no cost employee contributions Annual Critical Skills Bonus #AJCM #PeratonRoyalMove Peraton Overview Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy.

As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.

The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers.

Visit peraton.com to learn how we’re keeping people around the world safe and secure. Target Salary Range $146,000 - $234,000. This represents the typical salary range for this position.

Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations.