Systems Administrator - TS/SCI with Polygraph

About the role

Transform technology into opportunity as a Systems Administrator with GDIT. In this enterprise IT position you will connect and enhance the systems that matter most, ensuring today is safe and tomorrow is smarter. You will work on‑site at a customer location in McLean, VA, supporting a variety of agency operations.

Responsibilities

• Manually create and manage security groups in Active Directory.
• Apply, modify, and troubleshoot folder‑level permissions within File Explorer, including read, write, and modify access controls.
• Break, troubleshoot, and restore folder inheritance and access control configurations.
• Create and structure folders to support organizational access requirements.
• Provide senior‑level administration of Active Directory and File Explorer permissions.
• Support in‑house system administration tasks across multiple platforms (operating systems, email, databases, storage, hardware).
• Diagnose and resolve complex technical issues independently.
• Apply project‑management techniques to plan, coordinate, and deliver technical projects.
• Communicate technical concepts clearly to both technical and non‑technical stakeholders.
• Collaborate with internal business teams and developers to translate requirements into actionable technical solutions.
• Utilize requirement‑tracking tools or processes as needed.

Requirements

• Bachelor’s degree in Computer Science, Engineering, or a related technical discipline, or equivalent combination of education, certifications, and experience.
• 5+ years of related experience in systems administration.
• Top Secret/SCI clearance with Polygraph (required).
• U.S. citizenship.

Preferred qualifications

• Experience with enterprise information technology systems, including core utility and security applications.
• Background working across multiple systems and applications (operating systems, email platforms, databases, storage technologies, hardware support).
• Understanding of how network requirements impact operating system and application performance.
• Familiarity with organizational standards for system configurations, security policies, and software management procedures.
• Strong problem‑solving, analytical, planning, and organizational abilities.
• Experience applying project‑management techniques to technical projects.
• Clear and confident communication skills.
• Ability to work independently on routine tasks and collaboratively as part of a team.
• Experience partnering with business teams to translate requirements into technical solutions.
• Experience working with developers to support joint project planning.
• Interest in staying current on emerging operating‑system technologies and anticipating impacts.

Skills

• Active Directory Administration
• Enterprise IT
• Information Technology (IT) Systems
• File Explorer permissions management
• Security group creation and management
• Folder inheritance troubleshooting
• Project management techniques
• Technical communication

Benefits

• 401(k) with company match
• Comprehensive health, dental, and vision plans (including HSA options)
• Internal mobility team to support career growth
• Paid education and certification opportunities
• Access to cutting‑edge technology
• Paid vacation, holidays, sick and personal time, parental leave, military leave, bereavement, and jury duty leave
• Short‑ and long‑term disability, life, AD&D, personal accident, critical illness, and travel accident insurance
• Full‑flex work weeks where possible

Pay

The likely salary range for this position is $98,600 – $133,400, based on experience, geographic location, and contractual requirements.

Schedule

• Scheduled weekly hours: 40
• Travel required: less than 10%
• Telecommuting: On‑site work (no remote option)

Location

McLean, VA – On‑customer site (USA, VA).