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Senior Information Systems Security Engineer (Government)

Reston, Virginia💼 Full-time💰 $118,700–$118,700🗓 2026-08-19 → 2026-09-27

Core

Senior Information Systems Security Engineer providing managed IT support and security engineering for classified defense intelligence collection systems.

Role type

Senior IC Information Systems Security Engineer (Government/Classified)

Builds

Integrated security systems, physical controls, and classified program compliance for defense intelligence.

Domain

US Federal Government / Defense Intelligence / Cybersecurity

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Windows administration, Linux proficiency, security tool deployment, risk assessment, system design, incident response, security testing, compliance management, technical writing

Preferred skills

Tiered security environments (U, S, TS), Trellix antivirus, Splunk architecture, Powershell scripting, government cloud accreditation, Cybersecurity Control Assessor experience, DevOpsSec

Technologies

ACAS, Trellix, Splunk, STIG, RMF, 8570 IAT Level 2

Responsibilities

Ensure network systems meet DIA C&A and IA requirements; Design and recommend integrated security system and physical control solutions; Assist in DIA's Authorization and Accreditation (A&A) process using RMF; Configure and validate secure systems and physical controls; Develop comprehensive system test plans (STP); Analyze scan results and security findings to prioritize remediation; Participate in incident response activities.

Seniority

Senior, hands-on IC

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