Job Description
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: ISSO, RMF, System Security
Certifications: None
Experience: 8 + years of related experience
US Citizenship Required: Yes
Job Description: Advance your career while impacting our national security in cyber as an ISSO at GDIT. Here, technologists have many paths to grow a meaningful career supporting cyber missions and operations across the federal government. We are seeking an experienced ISSO capable of working within Greenlight and assigned onsite Information System Security Managers to maintain and renew system security accreditations. Successful candidate must be able to prioritize multiple projects ensuring all security based operations and accreditations are completed in a timely fashion.
WHAT YOU'LL NEED TO SUCCEED: - Education : Bachelor's Degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.
- Required Experience: 8+ years
- Required skills and experience:
- Experience developing and reviewing security concept of operations, systems security plans, security control assessments, contingency plans, configuration management plans, incident response plans, plan of actions and milestones, risk management plans, vulnerability scanning, and/or vulnerability management plans.
- Documented experience with Greenlight and Rev4 RMF process.
- Demonstrated on-the-job knowledge and experience with cloud security design, requirements analysis, control implementation, and mitigation.
- Demonstrated experience developing in a cloud environment such as Amazon Web Service
- Demonstrated on-the-job knowledge and experience with ICD-503, FISMA and RMF/A&A processes, NIST SP (800-27, 30, 37, 53, 60, 137, 144, 145), FIPS (199, 200), and CNSSI 1253 technical controls and developing and maintaining associated certification and accreditation documentation.
- Demonstrated on-the-job knowledge and experience with performing security system scans for network, platform, database, and web services using different security tools (e.g. Nessus, Weblnspect, AppDetective).
- Outstanding interpersonal skills and team player
- Outstanding written and verbal communication skills; ability to present reports to management; motivated to thoroughly investigate, analyze, and document system issues and resolutions
- Demonstrated outstanding ability to produce quality deliverables and to complete assigned projects on time, provide consistent status updates to ensure IT security projects stay focused.
- Demonstrated outstanding attention to detail - completes tasks per standard operating procedures; reports discovered anomalies and inconsistencies
- Demonstrated outstanding persistent and creative problem solver - strong troubleshooting skills and determined to find solutions to technical problems; identifies root cause and presents possible solutions to management
- Demonstrated outstanding work ethic and a proven professional - respectful, dependable, takes initiative
- Security Clearance Level : Top Secret/SCI with Polygraph
- Desired skills and experience:
- Certifications CISSP, CASP
- Experience cloud security design, requirements analysis, control implementation, and mitigation.
- Experience with JIRA and managing security based requirements
- Project or program management experience.
- Location : Chantilly, VA on customer site
- Hours: Core Hours: 9-3
- US Citizenship Required
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
#GDITCareers
#JET
#GDITEnhanced2026
#VA_2025Alumni
The likely salary range for this position is $161,500 - $218,500. 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 Chantilly
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
Job Tags
Temporary work, Work experience placement, Immediate start, Remote work, Worldwide, Flexible hours,