Cyber Security Engineer / Information Systems Security Engineer (ISSE)

OpenTeams is dedicated to unlocking human potential through AI that empowers users. The Cyber Security Engineer / ISSE will own the security architecture for Intelligence Community customers, leading RMF activities and embedding security controls into engineering workflows.

Responsibilities:

• Lead RMF activities: control selection, implementation evidence, POA&M management, and ATO support
• Design and implement supply chain security controls: SBOM generation, artifact signing, vulnerability scanning, and provenance attestation
• Perform threat modeling and security reviews of depot architecture and workflows
• Integrate security tooling into CI/CD pipelines and enforce policy gates
• Support cross-domain and classified environment requirements, including secure transfer procedures
• Interface with government ISSMs, assessors, and authorizing officials

Requirements:

• Active TS/SCI clearance
• Experience with Xacta, eMASS, or CSAM
• 6+ years in cyber security or ISSE roles supporting DoD or IC systems
• Hands-on experience with RMF, NIST 800-53, and eMASS or equivalent
• Experience with DevSecOps tooling: container scanning, SAST/DAST, signing, and policy enforcement
• IAT/IAM Level II or III certification per DoD 8140 (for example Security+, CISSP, or CISM)
• Experience securing AI/ML systems or software supply chains at scale
• Familiarity with cATO approaches and continuous monitoring
• Experience with IL5/IL6 or cross-domain solutions
• Experience with Cross-Domain Solutions