Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

Cyber and IT Risk Management:

Job Qualifications:Skills:

Computer Security, Documentations, Information Assurance, RMF
Certifications:

None
Experience:

8 + years of related experience
US Citizenship Required:

Yes

Job Description:

Seize your opportunity to make a personal impact as an Information Systems Security Manager 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

• 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 the Agency RMF Workflow and Processes by proposing, coordinating, implementing and enforcing information system security policies, instructions, standards, and methodologies.
• Coordinate with the Data Custodian, Project Owner, and ISSM to identify the types of information processed, assign the appropriate security categorizations to the information systems, determine the information security and privacy impacts, and manage information security and privacy risk. Document the controls in the information security and privacy plan (or equivalent document) to ensure implemented controls meet or exceed the minimal controls defined by CISO guidance.
• Maintain current system information in Service Now (e.g., POCs, artifacts) to support organizational requirements and processes (e.g., communication, contingency planning, training, data calls)
• Evaluate the impact of network and system changes using RMF processes.
• Ensure anomalies identified under the Sponsor's Information Security Continuous Monitoring activities are addressed and remediated in a manner that commensurate with the risks posed to the system from the anomalies.
• Submit recommendations to the stakeholders for system configuration deviations from the required baseline.
• Develop and maintain a system security plan (SSP)
• 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 Sponsor

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 Experience: 8+ yrs
• Required Technical Skills:
• Experience with Service Now, 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 Ethical Hacker 10 (CEH)
• Certified Information Systems Security Professional (CISSP)
• Certified Information Systems auditor (CISA)
• NIST Cybersecurity Framework (NCSF)
• AWS Solutions Architect Associate or Professional as a cert qualification
• Location: Mc Lean, 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

#We AreGDIT

#JET
#GDITEnhanced2026

#VA_2026Alumni

The likely salary range for this position is $161,753 - $218,840. 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.

Scheduled Weekly Hours:

40

Travel Required:

Less than 10%

Telecommuting Options:

Onsite

Work Location:

USA VA Mc Lean:

Additional Work Locations:Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

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 50 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.

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Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans