Cyber Detection Engineer Subject Matter Expert

Job overview

The Cyber Detection Engineer Subject Matter Expert role is onsite in Arlington, VA; compensation is not specified. The role supports a mission-critical U.S. Government cybersecurity program defending federal civilian agencies and critical infrastructure. The engineer leads development, validation, deployment, and optimization of detection capabilities for threat hunting, incident response, and security operations. The work turns threat intelligence and investigative findings into tested, scalable analytics and defensive capabilities while helping close security visibility gaps.

What you'll do

• Develop and execute threat-hunting methodologies
• design, test, and deploy behavioral analytics, correlation rules, signatures, and queries
• map detection content to MITRE ATT&CK
• validate and optimize detection logic
• assess telemetry quality and coverage gaps
• develop automation and SOAR playbooks where applicable
• advise teams, review work, mentor analysts, and communicate detection coverage and risks.

What we're looking for

Skills & competencies

cyber detection engineer

subject matter expert

threat hunting

detection engineering

cybersecurity

mitre att&ck

siem

edr

ts/sci required

arlington va

argo cyber systems

Work arrangement

• Weekend coverage required

Why this role

Active TS/SCI clearance and U.S. citizenship required; must be able to obtain DHS Suitability; minimum 10 years of directly relevant experience.

About the employer

Argo Cyber Systems is hiring for this role. Industry: All Other Professional, Scientific, and Technical Services. Sector: 54.