Information Systems Security Officer (ISSO) - TS/SCI with Polygraph

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

Own the opportunity as an Information Systems Security Officer (ISSO) and help ensure the mission is never interrupted. At GDIT, we deliver clarity with our cloud solutions and provide meaningful work. Your work will be an important part of transforming our clients for the modern age and help them face any obstacle

Ensure the safety and security of our nation as a Software Developer at GDIT. You’ll apply the latest technology and provide operational support to deliver actionable intelligence for the Intelligence Community. Here, your work will have meaning and impact as you deliver your best every day.

At GDIT, people are our differentiator. As an ISSO supporting the customer, you will be trusted to solve complex IT issues while delivering outstanding customer service.

HOW THE ISSO WILL MAKE AN IMPACT

• Work in close collaboration with a small team of ISSOs and ISSE to support the customers critical systems
• Ensure systems are operated, maintained, and disposed of in accordance with security policies and procedures as outlined in
  the security authorization package
• Conduct periodic reviews of Information Systems to ensure compliance with the security authorization package
• Coordinate with systems administrators to perform system scans for A&A and continuous monitoring to include but not limited
  to network devices, servers, databases, and web services
• Perform compliance audits, participate in incident handling, and lead or assist investigations into security anomalies
• Perform review of audit logs and continuous monitoring tools for IT systems to identify anomalies, hacking or insider threats

WHAT YOU’LL NEED TO SUCCEED:

• Education : BA/BS (or equivalent experience)
• Required Experience : 8+ years of relevant experience
• Required Technical Skills:
• ICD-503, FISMA, RMF, NIST, FIPS, CNSSI 1253, Nessus, A&A, Strong Engineering Experience
• Required Skills and Abilities: Demonstrated on-the-job knowledge experience with reviewing security concepts of operations, systems security plans, security control assessments, contingency plans, configuration management plans, incident response plans, vulnerability scanning, and/or vulnerability management plans
• Security Clearance Level : TS/SCI w/ Polygraph
• Location: Herndon, VA - 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
#VA_2026Alumni
#GDITEnhanced2026

Work Requirements

Years of Experience

8 + years of related experience

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

Certification

Travel Required

Less than 10%

Citizenship

U.S. Citizenship Required