Senior ISSE - RMF/DoD Security Engineer

ClearEdge IT Solutions, LLC; Jessup (MD); On-site; USD 120,000 - 180,000; Full time

Job summary

ClearPoint is seeking an Information System Security Engineer III to lead security engineering and accreditation for MERIDIAN, the AI-Enabled Secure Space Operations & Management Platform. You will work with engineers and stakeholders to embed security throughout the lifecycle, review architecture, and guide implementation.

You will own the RMF package from SSP/SAR development to POA&M management and continuous monitoring, staying hands-on as the platform evolves.

Qualifications

• Active TS/SCI with Polygraph; U.S. citizenship.
• 8+ years information systems experience; 5–8 years ISSE/Cybersecurity Engineer.
• Proficient with networking, firewalls, and security monitoring tools.
• Experience with RMF/DoD 8500-series and NIST guidance; secure architecture reviews.
• Ability to translate findings into remediation guidance and mentor staff.

Responsibilities

• Lead RMF/ATO efforts for classified DoD/IC systems and own the RMF package.
• Review system architecture with engineers and provide security guidance during design.
• Conduct vulnerability assessments and security testing of the system as built.
• Implement controls (identity/RBAC, logging, encryption) and drive remediation.
• Mentor junior security staff and collaborate with development teams.

Skills

RMF/ATO leadership

Secure architecture collaboration

Vulnerability assessment

NIST SP 800-53

DoD RMF processes

Mentoring security staff

Education

Bachelor's degree in Computer Science or related field

Tools

SAST/DAST tooling

CI/CD security tooling

Container security tooling

Cloud security tooling

Job description

ClearPoint is seeking an Information System Security Engineer III to lead security engineering and accreditation for MERIDIAN, the AI-Enabled Secure Space Operations & Management Platform. You will work with engineers and stakeholders to embed security throughout the lifecycle, review architecture, and guide implementation.

You will own the RMF package from SSP/SAR development to POA&M management and continuous monitoring, staying hands-on as the platform evolves.