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North Point Technology

Information System Security Officer (ISSO) (TS/SCI CI Poly)

North Point Technology, Saint Louis, Missouri, United States, 63146

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Information System Security Officer (ISSO) (TS/SCI CI Poly) Saint Louis, Missouri, United States

This job requires an active Top Secret / SCI clearance with CI Polygraph. Please apply only if you currently hold an active Top Secret clearance with SCI and a CI Polygraph.

North Point Technology is hiring an Information System Security Officer (ISSO) to own, harden, and scale the security posture of NGA’s Chinook enterprise. You’ll drive RMF/ICD-503 A&A to ATO, lead vulnerability management across multiple enclaves, and ship pragmatic controls that safeguard GEOINT systems and accelerate mission delivery.

Location: Gaithersburg, MD (onsite; primary program location) Clearance: Top Secret with SCI eligibility; able to obtain Polygraph

Responsibilities Lead RMF/ICD-503 Assessment & Authorization (A&A) activities; coordinate with NGA DAOs/DAORs to achieve/maintain ATO.

Maintain security documentation (SSPs, POA&Ms, SIA/SIAs, CONOPS, ITDR) in Service+ (ServiceNow), XACTA/XACTA 360, and NPT/CIO tools.

Drive security changes via steering groups/review boards; track milestones and risk burn-down.

Perform/control testing of security controls; assess Zero Trust/defense-in-depth effectiveness and compliance with IC/DoD/NIST/DISA standards.

Operate the vulnerability management program across (U)/(S)/(TS) enclaves using Nessus and Tenable-ACAS; analyze results, prioritize fixes, verify mitigations, and manage POA&M status.

Advise lab and operations teams on secure SDLC, hardening (e.g., STIGs), and best practices; resolve complex security issues.

Address IA/cyber directives, vulnerability and patch tasking; document changes, upgrades, and connectivity configurations.

Provide user training; manage access provisioning and IAA (identification, authentication, authorization).

Collaborate with Systems Engineers/Admins, Senior ISSO/ISSMs, Lab Team, and Corporate Security to sustain an effective security posture.

Basic Qualifications BS degree and 8–12 years of relevant ISSO/ cybersecurity experience.

Demonstrated application of ICD-503 and NIST RMF; familiarity with customer mission/security operations.

Experience with: XACTA (XACTA 360 preferred), HBSS, ACAS, Nessus, Splunk.

Strong written/verbal communication; ability to brief leadership and lead cross-functional efforts.

Preferred Qualifications 3+ years operating/analyzing vulnerability scans (Nessus, Tenable Security Center or similar) with proven remediation outcomes.

Active CISSP or CISM.

Intelligence Community experience; knowledge of AWS/C2S and modern Zero Trust implementations.

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