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Cyber Security Engineer III

Denver, CO, US💼 Full-time💰 $110,938–$110,938🗓 2026-09-18 → 2026-09-26

Core

Engineer and harden classified enclaves, mission ground systems, and lab environments for the Intelligence Community and Department of Defense, driving them through accreditation and standing watch over them.

Role type

Senior hands-on Cybersecurity Engineer (Classified Systems)

Builds

Secure classified enclaves, mission ground systems, and lab environments for national security missions

Domain

Defense & Intelligence (Classified Systems)

Deliverable

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

Required skills

Security architecture implementation, RMF control implementation, SSP authoring, vulnerability management, incident response, automation scripting, network segmentation, IAM/PKI, endpoint hardening

Preferred skills

ISSO/ISSE experience, JSIG/ICD knowledge, IaaS/Config management, detection engineering, cross-domain solutions

Technologies

Linux, Windows, STIG/SCAP, AWS GovCloud, Azure Government, SIEM, Python, PowerShell, Bash, Terraform, Ansible

Responsibilities

Engineer and harden classified systems, drive systems through RMF to ATO/ATC, perform vulnerability scanning and remediation, respond to security incidents, automate compliance and security operations, mentor junior engineers

Seniority

Senior, hands-on IC

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