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Information Systems Security Management (ISSM) - TS/SCI w/Polygraph

General Dynamics Information Technology • Mclean, VA • 2h ago

Req ID: RQ222649

Type of Requisition: Regular

Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph

Public Trust/Other Required: None

Job Family: Cyber and IT Risk Management

Skills:

RMF,Security Technical Implementation Guides (STIGs),Xacta (Platform)

Experience:

4 + years of related experience

US Citizenship Required:

Yes

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!

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

Maintain current system information in XACTA 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

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 : 4+ yrs

Required Technical Skills:

Demonstrated experience with RMF, ICD 503, CNSSI 1253, NIST SP 800-53/53A, and STIGs

Experience with XACTA 360, Continuum and other SCAP Compliant tools

Require strong documentation skills to create and update policies, process documentation and procedures

Security Clearance Level : TS/SCI with active polygraph

Desired 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

Location : McLean, 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

OpportunityOwned

GDITCareers

WeAreGDIT

JET

GDITEnhanced2026

VA_2026Alumni

The likely salary range for this position is $123,250 - $166,750. 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.

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 26,000 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.

Join our Talent Community to stay up to date on our career opportunities and events at https://gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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