Information Systems Security Manager - TS/SCI with Polygraph

General Dynamics Information Technology

McLean (VA)

On-site

USD 120,000 - 190,000

Full time

11 days ago

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Benefits offered by this job

401K with company match
Comprehensive health packages
Internal mobility and career growth
Paid education and certifications
Paid vacation and holidays

Job summary

General Dynamics Information Technology in Tysons Corner, VA is seeking an Information Systems Security Manager (ISSM) to oversee RMF-based security programs. You will coordinate A&A activities, manage risk, and ensure compliance with NIST 800-53 controls while leading documentation and governance efforts on security policies.

The role requires 8+ years of experience, a TS/SCI clearance with polygraph, and CASP+ certification.

Qualifications

  • 8+ years of experience in information security management.
  • Bachelor's degree in Computer engineering, Computer Science, Electrical Engineering, Information systems, Information Technology, Cybersecurity, or a closely related discipline.
  • Active TS/SCI with polygraph.
  • Must have CASP+ certification (preferred CISSP/CISA/CISM/AWS certs).
  • Experience with RMF, ICD 503, CNSSI 1253, NIST SP 800-53/53A, and STIGs.

Responsibilities

  • Support RMF workflow and processes by proposing, coordinating, implementing and enforcing information system security policies, instructions, standards, and methodologies.
  • Review and approve customer requests related to access, devices, and other authorizations.
  • Evaluate the impact of network and system changes using RMF processes and approve changes.
  • Manage multiple projects throughout the Authorization and Accreditation (A&A) process from concept to Authority to Operate (ATO).
  • Coordinate with system stakeholders on mitigating system vulnerabilities outlined in POA&Ms.
  • Ensure compliance with NIST 800-53 controls and relevant cybersecurity standards.
  • Ensure configuration management for security-relevant IS software, hardware and firmware is maintained and documented.
  • Ensure system recovery processes are monitored to ensure security features and procedures are restored.
  • Formally notify appropriate individuals when changes occur that might affect authorization.
  • Participate in governance and project reviews identified by the customer.
  • Demonstrate strong documentation skills to create and update policies, process documentation and procedures.
  • Conduct internal audits to ensure RMF compliance.

Skills

RMF expertise
NIST SP 800-53/53A
Documentation skills
Policy & governance
Strong communication
Security clearance TS/SCI

Education

Bachelor's degree in a related field
CASP+ certification

Tools

ServiceNow
Tenable
SCAP tools

Job description

Seize your opportunity to make a personal impact as an Information Systems Security Managementprofessional supporting customer activities. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career.

At GDIT, people are our differentiator. As an Information Systems Security Manager (ISSM), you will help ensure today is safe and tomorrow is smarter. Our work depends on an ISSM joining our highly skilled team to be a premier provider of cyber security services to the customer. We provide consummate cyber security risk management “as a service” platform across multiple fabrics and centers. We have responsibility to ensure operational IT capabilities provide the client with necessary timeliness, accuracy and security of information demanded from all our highly professional roles. Be the change, lead our change – join us!

HOW AN ISSM WILL MAKE AN IMPACT
  • Support customer RMF workflow and processes by proposing, coordinating, implementing and enforcing information system security policies, instructions, standards, and methodologies
  • Review and approve customer requests related to accesses, devices, and other authorizations
  • Evaluate the impact of network and system changes using RMF processes and approve the changes
  • Manage multiple projects throughout Authorization and Accreditation (A&A) process from concept to Authority to Operate (ATO)
  • Coordinate with system stakeholders on mitigating system vulnerabilities outlined in POA&Ms
  • Ensure compliance with NIST 800-53 controls and relevant cybersecurity standards
  • Ensure configuration management for security-relevant IS software, hardware and firmware is maintained and documented
  • Ensure system recovery processes are monitored to ensure security features and procedures are properly restored
  • Ensure all IS security-related documentation is current and accessible to properly authorized individuals
  • Formally notify the appropriate individuals when changes occur that might affect authorization
  • Participate in governance and project reviews identified by the customer
  • Require strong documentation skills to create and update policies, process documentation and procedures
  • Conduct internal audits to ensure compliance with RMF requirements
  • Demonstrated experience with RMF, ICD 503, CNSSI 1253, NIST SP 800-53/53A, and STIGs
WHAT YOU’LL NEED TO SUCCEED:
  • Education: Bachelors (Computer engineering, Computer Science, Electrical Engineering, Information systems, Information Technology, Cybersecurity, or a closely related discipline)
  • Required Certification: CompTIA Advanced Security Practitioner (CASP+)
  • Required Experience: 8+ yrs
  • Required Technical Skills:
  • Require strong documentation skills to create and update policies, process documentation and procedures
  • Experience with ServiceNow, Tenable, and other SCAP Compliant tools
  • Demonstrated experience with RMF, ICD 503, CNSSI 1253, NIST SP 800-53/53A, and STIGs
  • Security Clearance Level: TS/SCI with active polygraph
  • Preferred Certifications:
  • Certified Information Systems Security Professional (CISSP)
  • CompTIA Security+
  • Certified Information Systems auditor (CISA)
  • Certified Information Security Manager (CISM)
  • AWS Solutions Architect Associate or Professional
  • Location: Tysons Corner, VA - On Customer Site
GDIT IS YOUR PLACE:
  • 401K with company match
  • Comprehensive health and wellness packages
  • Internal mobility team dedicated to helping you own your career
  • Professional growth opportunities including paid education and certifications
  • Cutting-edge technology you can learn from
  • Rest and recharge with paid vacation and holidays

#WeAreGDIT
#JET
#GDITEnhanced2026
#VA_2026Alumni

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