Junior ISSO — National Vetting Center (On‑Site, DC)

Jimmy Jazz; Washington (District of Columbia); On-site; USD 90,000 - 120,000; Full time

Job summary

Tharros combines deep cyber defense expertise to support DHS with mission-focused cybersecurity in a government SCIF in Washington, DC. The Junior Information System Security Officer will work with the senior NVC ISSO to maintain authorization artifacts, track POA&Ms, review logs, and support cloud security engineering for NVC systems.

The role requires a BS degree or 4 years IT/cybersecurity experience, TS/SCI clearance, and proficiency with RMF/NIST controls, audit processes, and cross-system

Qualifications

• BS degree in Information Technology, Cybersecurity, Information Systems, or Computer Science OR minimum of 4 years' experience in IT or cybersecurity.
• Minimum of 1 year of experience in ISSO, RMF, or security compliance support.
• Active TS/SCI clearance and U.S. citizenship; willingness to undergo a DHS counterintelligence-scope polygraph.
• Knowledge of the Risk Management Framework (RMF), NIST SP 800-37, and NIST SP 800-53.
• Knowledge of hybrid classified/unclassified, on-premise and cloud environments.
• Knowledge of DevSecOps and agile methodologies.
• Skill in securing Linux and Windows operating systems.
• Skill in POA&M tracking and audit log review.
• Ability to maintain accurate documentation across multiple systems.
• Proficient in Microsoft Office Suite to include Teams or similar workplace chat and videoconferencing tools.
• Excellent written and oral communications skills.
• CompTIA Security+ or CySA+ certification.
• Experience with RSA Archer, eMASS, or a similar GRC tool.
• Cloud security experience (AWS or Azure).

Responsibilities

• Maintain security artifacts (SSP, POA&Ms, risk exceptions, contingency plans, PTAs) for NVC systems in the GRC tool.
• Track POA&Ms on 30/60/90/120/180-day review intervals and provide weekly or bi-weekly activity reports.
• Perform audit log reviews at least weekly and respond to NOSC alerts.
• Ensure periodic vulnerability scans are performed and review scan results.
• Support security control assessments and cloud security engineering for NVC systems.
• Submit IATT requests and notify the ISSM, SCA, and AO of changes affecting authorization.
• Serve as SCIF Information Security Compliance Representative for assigned spaces.

Skills

RMF knowledge

NIST SP 800-37

NIST SP 800-53

DevSecOps

Cloud security

Audit log review

Documentation

Education

Bachelor's degree in Information Technology, Cybersecurity, Information Systems, or Computer Science

Tools

RSA Archer

eMASS

GRC Tools

Job description

Tharros combines deep cyber defense expertise to support DHS with mission-focused cybersecurity in a government SCIF in Washington, DC. The Junior Information System Security Officer will work with the senior NVC ISSO to maintain authorization artifacts, track POA&Ms, review logs, and support cloud security engineering for NVC systems.

The role requires a BS degree or 4 years IT/cybersecurity experience, TS/SCI clearance, and proficiency with RMF/NIST controls, audit processes, and cross-system