Senior Information Systems Security Manager (ISSM)

General Dynamics Information Technology (GDIT); McLean (VA); On-site; USD 160,000 - 216,000; Full time

Benefits offered by this job

401K with company match

Comprehensive health and wellness

Internal mobility team

Professional growth opportunities

Cutting-edge technology

Paid vacation and holidays

Job summary

General Dynamics Information Technology (GDIT) is seeking an Information Systems Security Manager (ISSM) to join a high‑caliber cyber risk team in McLean, VA. You will lead RMF activities, develop SSPs, and coordinate security controls across programs to safeguard critical information systems.

Ideal candidates bring 8+ years of defense cybersecurity experience, strong RMF/CS staff expertise, and an active TS/SCI with polygraph.

Qualifications

• 8+ years of related experience.
• Experience with RMF, ICD 503, CNSSI 1253, NIST SP 800-53/53A, and STIGs.
• Security clearance TS/SCI with active polygraph.
• Bachelor's degree in a closely related discipline.

Responsibilities

• Manage Analysts engaged in ensuring the safety of information systems assets and protection of systems from intentional or inadvertent access or destruction.
• Provide support for a program, organization, systems or enclaves; support RMF workflow and processes by proposing, coordinating, implementing and enforcing information system security policies, instructions and standards.
• Coordinate with Data Custodian, Project Owner, and ISSM to identify information processed, assign security categorizations, determine impacts, and manage risk.
• Maintain current system information in XACTA to support organizational requirements and processes.
• Evaluate the impact of network and system changes using RMF processes.
• Ensure anomalies identified under the Sponsor's ISCM activities are addressed and remediated.
• Develop and maintain a system security plan (SSP).
• Conduct periodic reviews to ensure SSP compliance.
• Ensure configuration management for security-relevant IS software, hardware and firmware is maintained.
• Ensure system recovery processes are monitored and security features are restored.
• Formally notify appropriate individuals when changes may affect authorization.

Skills

Compliance

Computer Security

Information Assurance

Information Technology

Education

Bachelor's degree

Tools

XACTA 360

Continuum

SCAP Tools

RMF

Job description

General Dynamics Information Technology (GDIT) is seeking an Information Systems Security Manager (ISSM) to join a high‑caliber cyber risk team in McLean, VA. You will lead RMF activities, develop SSPs, and coordinate security controls across programs to safeguard critical information systems.

Ideal candidates bring 8+ years of defense cybersecurity experience, strong RMF/CS staff expertise, and an active TS/SCI with polygraph.