Cyber Systems Engineer / ISSO

Cyber Systems Engineer | Annapolis Junction, MD

Make a difference where it matters most. Join Peraton’s Cyber Missions team and be part of a mission-driven organization focused on protecting national security. We’re looking for a Cyber Systems Engineer with a passion for cybersecurity to help design, implement, and maintain secure information systems that support critical operations.

What You’ll Do

As a Cyber Systems Engineer, you will play a key role in securing complex systems, ensuring compliance with federal cybersecurity frameworks, and protecting sensitive information. You’ll support the full lifecycle of system security operations by:

• Maintaining the operational security posture for mission-critical information systems.

• Developing and enforcing information system security policies, standards, and methodologies.

• Supporting day-to-day security operations, including system monitoring and incident response.

• Conducting vulnerability and risk assessments to support system certification and accreditation (C&A).

• Evaluating security solutions to ensure they meet requirements for handling classified data.

• Managing system configuration, changes, and security impact assessments.

• Preparing and reviewing key documentation including:

  • System Security Plans (SSPs)

  • Risk Assessment Reports

  • Certification & Accreditation (C&A) packages

  • System Requirements Traceability Matrices (SRTMs)

Additional Responsibilities

• Serve as the Information Systems Security Approval Authority for systems under your control.

• Provide technical and compliance support for the organization’s Information Assurance (IA) program.

• Plan, coordinate, and enforce IT security programs across various systems and projects.

Why Join Us?

• Mission-Driven Work: Support national defense and intelligence missions.

• Team Culture: Collaborate with top cybersecurity professionals in a supportive environment.

• Professional Growth: Access to advanced training, certifications, and career development.

• Competitive Compensation & Benefits

About Peraton

Peraton is a trusted provider of advanced, secure, mission-critical technology solutions for government and commercial customers. We support some of the most sensitive and significant projects across defense, intelligence, and space.

Job Requirements:

• Experience: 17+ years as a Systems Engineer on projects of similar scope, type, and complexity.

• Education: Bachelor’s degree in Systems Engineering, Computer Science, Information Systems, Engineering, or a related field.

  • Note: An additional 5 years of SE experience may be substituted for the degree.

• Certifications: DoD 8570 IAM Level I or higher required.

• Clearance: Active TS/SCI with current polygraph required.

Peraton offers enhanced benefits to employees working on our critical National Security programs, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan.

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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. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. 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.