Information Systems Security Manager Senior - Security

York Space Systems was founded to radically improve spacecraft affordability and reliability, transforming, and enabling next- generation space mission operations worldwide. Today, York is one of the most innovative aerospace companies, specializing in end-to-end customer solutions and the rapid production of spacecraft platforms. York's complete Space Segment Solution includes spacecraft production, payload integration, system integration & test, launch services, ground segment services, and mission operations, enabling customers to leverage York's existing technology solutions to get to orbit rapidly and responsively. We're looking to expand our team across the board.

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.

Key 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.

Minimum Qualifications:
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.

Preferred Qualifications:
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.

Benefits
In addition to compensation, York Space Systems is proud to offer a comprehensive benefits package including medical, dental, and vision insurance along with PTO and a 401K.

How To Apply
Interested candidates are encouraged to apply by clicking the "Apply" link at the top of the page. York Space Systems will be accepting applications on a rolling basis until the position is closed. York Space Systems provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, military or protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. Must have permanent authorization to work in the United States. This policy applies to all terms and conditions or employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training. YORK SPACE SYSTEMS IS AN EEO EMPLOYER.