CareerPlan

Information Systems Security Officer

TST Main Office (901 N. Stuart St) - Arlington, VAFull-time$110k–$160k2026-11-03 → 2026-11-10
On-siteSecurity clearance required

Core

Ensure compliance for assigned classified programs and maintain security posture through technical, administrative, and procedural solutions.

Role type

Senior IC Information Systems Security Officer (ISSO)

Builds

ATO packages, RMF documentation, security audit reports, and incident response plans

Domain

Defense contracting / Classified information systems / Cybersecurity

Required skills

RMF process knowledge, STIG compliance, security log analysis, incident response, change management, insider threat program management, Windows/Linux administration, security audit execution

Preferred skills

DCSA onsite compliance inspection experience, Jira ticket management, security report writing, automation scripting

Technologies

Windows 11, Ubuntu Linux, GFE networks, Google Workspace, Jira, eMASS, Xacta

Responsibilities

Complete STIG checklists and track POA&Ms, Review security logs and systems for anomalous activity, Perform weekly/monthly audits and continuous monitoring, Assist in remediation of security incidents, Conduct annual self-inspections and self-assessments, Track changes to information systems, Assist in managing the Insider Threat Program

Seniority

Senior, hands-on IC