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Mission Security Engineer III

Denver, CO💼 Full-time💰 $115,000–$115,000🗓 2026-06-17 → 2026-07-31

Core

Design, deploy, and secure classified ground-based Command and Control (C2) systems, spacecraft hardware/software, and cloud infrastructure for U.S. national security space operations.

Role type

Senior IC Mission Security Engineer (National Security Systems)

Builds

Classified C2 systems, space vehicle hardware/software, and secure cloud environments for DoD and Intelligence Community customers

Domain

National Security Space Systems / Cybersecurity / Defense IT

Deliverable

production ML models | product features | infrastructure

Required skills

NIST 800-53 controls implementation, DevSecOps, STIG implementation, Zero Trust architecture, RMF process execution, Cryptographic solutions (NSA Type 1), Cloud security (AWS/Azure), Container security (Kubernetes)

Preferred skills

TS/SCI clearance with polygraph, Space system architecture knowledge, IL-5/IL-6 cloud environment experience, Cross Domain Solutions (CDS) expertise

Technologies

AWS, Azure, Kubernetes, EKS, AKS, SIEM, Vulnerability scanners, NSA Type 1 crypto, IaC tools

Responsibilities

Implement end-to-end security controls for ground-based C2 systems and spacecraft platforms; Ensure security architectures enable effective monitoring and incident response; Integrate RMF controls into CI/CD pipelines via DevSecOps; Identify and remediate findings from STIGs, vulnerability scans, and penetration testing; Support all RMF Steps 1–6 for DoD and IC programs; Serve as technical voice with government ISSOs and assessors during ATO activities

Seniority

Senior, hands-on IC

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