ISSO – Protect Classified Systems & Compliance (TS Eligible)

Astrion; Columbia (MD); Hybrid; USD 78,000 - 117,000; Full time

Job summary

Astrion in Columbia, MD is seeking an Information Systems Security Officer (ISSO) to support the ISSM by verifying security controls, monitoring, and corrective actions for classified systems. The role requires TS eligibility and security certifications, including CAP, CISSP, CISM, or CySA, and U.S. citizenship.

The ISSO will ensure SSP alignment, conduct self-inspections, and coordinate with government security reps to maintain authorization artifacts and compliance with NISPOM and CSA guidance.

Qualifications

• Bachelor’s degree with 2-4 years of experience.
• Experience in supporting U.S. Government clients.
• Apply knowledge of IA policy, procedures, and workforce structure to develop, implement and maintain a secure network environment.
• A CAP, CISM, CySA, or CISSP certification is required.
• U.S. citizenship with active Top Secret eligibility and the ability to maintain such eligibility.

Responsibilities

• Support day-to-day security oversight of classified information systems and ensure compliance with NISPOM Rule, CSA guidance, SSP, and local procedures.
• Ensure compliance with the approved SSP, security policies, and system-specific requirements.
• Assist ISSM in maintaining the classified information system security program.
• Coordinate and conduct system self-inspections and document results.
• Track, validate, and report corrective actions to the ISSM.
• Support continuous monitoring activities, including review of audit logs and system posture.
• Assist with configuration management and identify security-relevant changes needing ISSM review.
• Ensure users receive required system security briefings and access authorizations.

Skills

Experience with US government clients

IA policy knowledge

Security policy implementation

Top Secret eligibility

Education

Bachelor’s degree

Tools

WASSP

MBSA

Word

Excel

PowerPoint

Job description

Astrion in Columbia, MD is seeking an Information Systems Security Officer (ISSO) to support the ISSM by verifying security controls, monitoring, and corrective actions for classified systems. The role requires TS eligibility and security certifications, including CAP, CISSP, CISM, or CySA, and U.S. citizenship.

The ISSO will ensure SSP alignment, conduct self-inspections, and coordinate with government security reps to maintain authorization artifacts and compliance with NISPOM and CSA guidance.