Cyber Security Engineer III

System One

📍 Springfield, VA, United States

Full-time other-general Posted June 06, 2026

Job Description

Job Title: Cyber Security Engineer
Location: Springfield, VA
Work Model: On site
Position Type: 6 month contract to hire
Clearance Requirement: Active TS/SCI with ability to obtain a polygraph

System One IT is seeking a Cyber Security Engineer to support a mission critical cyber operations program in Springfield, VA.

This role is focused on cyber incident response, investigation, containment, documentation, and coordination across Government and contractor teams. The Cyber Security Engineer will support the full lifecycle of security incidents, including triage, analysis, response actions, reporting, and recommendations to improve future defensive cyber operations.

The ideal candidate will have hands on experience in incident response, CSOC or SOC operations, digital forensics, malware analysis, indicator development, and cyber incident reporting within a DoD, Intelligence Community, or federal cyber environment.
Responsibilities
• Coordi...