Information Systems Security Management, TS/SCI w/Polygraph

Clearance Level
Top Secret SCI + Polygraph
Information Security
McLean, Virginia
Onsite Workplace
Key Skills For Success

Cloud: Amazon Web Services (AWS)

Plan of Action and Milestones (POA&M)


Xacta (Platform)

REQ#: RQ169507
Public Trust: None
Requisition Type: Regular
Your Impact

Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats.

Job Description

Seize your opportunity to make a personal impact as an Information Systems Security Management 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 Management (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!


  • 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
  • Maintain current system information in XACTA (or other RMF tool) to support organizational requirements and processes 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
  • Submit recommendations to stakeholders for system configuration deviations from the required baseline
  • Conduct periodic reviews to ensure compliance with SSP
  • 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


  • Education: Bachelors (Computer engineering, Computer Science, Electrical Engineering, Information systems, Information Technology, Cybersecurity, or a closely related discipline)
  • Required Experience: 8+ yrs
  • Required Technical Skills:
  • Require strong documentation skills to create and update policies, process documentation and procedures
  • Experience with XACTA 360, Continuum 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)
  • Certified Information Systems auditor (CISA)
  • NIST Cybersecurity Framework (NCSF)
  • AWS Solutions Architect Associate or Professiona
  • Location: McLean, VA - On Customer Site




  • 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
Work Requirements
Years of Experience

8 + years of related experience

* may vary based on technical training, certification(s), or degree


Travel Required

Less than 10%


U.S. Citizenship Required

Salary and Benefit Information

The likely salary range for this position is $159,800 - $216,200. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
View information about benefits and our total rewards program.

About Our Work

We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.