Information Systems Security Manager Senior - Security

York Spaces Systems • Greenwood Village, CO

17h

About The Position

We are seeking a highly experienced Senior Information Systems Security Manager (ISSM) to lead cybersecurity compliance and risk management efforts across our ground systems and space vehicle programs. This position plays a critical role in maintaining our security posture, managing system authorizations, and ensuring continued compliance with Department of Defense (DoD) and Intelligence Community (IC) cybersecurity requirements. The Senior ISSM will directly supervise a team consisting of networking and cybersecurity professionals. This role requires strategic oversight of the Risk Management Framework (RMF) lifecycle and ownership of current and future Authority to Operate (ATO) packages for multiple environments. This role will work closely with engineering teams to ensure customer security controls are properly implemented, thoroughly tested, accurately documented, and fully compliant with applicable requirements.

Requirements

• Active TS/SCI security clearance required.
• Bachelor’s degree required, Master’s preferred.
• 8+ years of relevant experience in information assurance or cybersecurity,
• Expert understanding of the Risk Management Framework (RMF), NIST 800-53 controls, and applicable federal cybersecurity regulations.
• Demonstrated success leading ATO efforts in support of classified systems.
• Strong technical acumen in network and system security, with the ability to effectively guide a multi-disciplinary technical team.
• CISSP required.

Nice To Haves

• Experience working with space systems, ground segments, or defense programs.
• Familiarity with eMASS.
• Knowledge of cross-domain solutions, encryption key management, and COMSEC principles.
• Experience interfacing with the Defense Counterintelligence and Security Agency (DCSA), and SDA.

Responsibilities

• Serve as the primary cybersecurity authority for ground and space-based systems throughout their lifecycle.
• Lead the development, implementation, and maintenance of RMF packages in accordance with DoD, NIST SP 800-53, and DAAPM requirements.
• Maintain and manage ATOs, supporting reauthorization efforts and system updates as mission needs evolve.
• Oversee and mentor a team of cybersecurity and IT professionals, ensuring effective execution of technical and compliance responsibilities.
• Act as the liaison between internal stakeholders, external assessors, and government accrediting authorities.
• Conduct risk assessments, POA&M management, and vulnerability analysis for both legacy and emerging systems.
• Ensure compliance with configuration management and change control processes.
• Support incident response activities, audit readiness, and continuous monitoring.
• Champion cybersecurity awareness and policy adherence across engineering, operations, and leadership teams.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level