Windows Systems Administrator - TS/SCI w/Polygraph

General Dynamics Information Technology, Inc.; McLean (VA); On-site; USD 200,000 - 270,000; Full time

Benefits offered by this job

401K with company match

Comprehensive health benefits

Professional development and education

Job summary

General Dynamics Information Technology, Inc. is seeking an experienced Windows Systems Administrator at McLean, VA. The role focuses on installing, configuring, and maintaining Windows servers and related infrastructure to ensure security and performance.

The ideal candidate has 15+ years in Windows systems engineering, hands-on MSSQL and ADCS, and scripting with PowerShell. Onsite work with rich benefits is offered.

Qualifications

• Bachelor of Science in Computer Science, Engineering, or IT-related discipline or equivalent experience.
• 15+ years of related experience with Windows systems engineering and administration.
• Experience with MSSQL databases, ADCS, VM clusters, Hyper‑V, DPM, and PowerShell scripting.
• Knowledge of A&A processes and Linux systems engineering is required.

Responsibilities

• Install, configure, support, and deploy Windows operating systems across physical and virtual servers.
• Maintain security, performance, and patching; manage virus updates and routine tuning.
• Demonstrate experience with A&A processes and cross-platform Linux administration.

Skills

Microsoft SQL Database

VMware Clusters

Windows Engineering

Windows System Administration

Education

Bachelor of Science in Computer Science or IT-related discipline

Tools

Windows Server

Windows Desktop OS

Group Policy Management

WSUS

Hyper‑V

VMware

Job description

Type of Requisition: Regular
Clearance Level Must Currently Possess: Top Secret SCI + Polygraph
Clearance Level Must Be Able to Obtain: None
Public Trust/Other Required: None
Job Family: IT Infrastructure and Operations

• Skills: Microsoft SQL Database, VMware Clusters, Windows Engineering, Windows System Administration
• Certifications: None
• Experience: 15 + years of related experience
• US Citizenship Required: Yes

Job Description: At GDIT, people are our differentiator. As a Windows Systems Administrator, you will help ensure today is safe and tomorrow is smarter. Our work depends on a strong Windows Systems Engineer joining our team to make a positive impact on the client’s mission. This position requires a strong Windows Administrator, to includes installing, configuring, supporting, and deploying Windows operating systems, as well as ensuring their security and performance. They work with both physical and virtual servers, and are responsible for tasks like virus updates, patches, and performance tuning.

WHAT YOU'LL NEED TO SUCCEED:

• Education: Bachelor of Science in Computer Science, Engineering, or other IT-related discipline, or the equivalent combination of education, technical certifications or training, or work experience.
• Experience: 15+ years
• Required technical skills: Demonstrated experience with Windows systems engineering and administration, including MSSQL databases, Active Directory Certificate Services (ADCS), VM clusters, Hyper‑V, Data Protection Manager, and PowerShell scripting. Demonstrated experience with Assessment and Authorization (A&A) processes to accredit security-controlled systems. Demonstrated experience with LINUX systems engineering and administration.
• Desired skills: Demonstrated experience with security-controlled systems, CipherTrust enterprise hardware security modules, software, and data architecture. Demonstrated experience as a data transfer officer with security-controlled systems. Demonstrated experience as an Oracle LINUX Systems Administrator. Demonstrated experience with Cisco switches and security appliances including ASAs, StealthWatch and Tetration. Demonstrated experience managing NetApp storage area networks (SANs). Demonstrated experience with certificate management for users, servers and service accounts. Demonstrated experience cross-skilling and backfilling for teammates. Demonstrated experience handling sensitive data, exercising discretion and sound judgment, and achieving mission outcomes.
• Certification(s): Oracle Certified Professional (OCP) Database Administrator
• Tools and technologies: Windows Server operating systems (e.g., Server 2016, Server 2019, Server 2022). Windows desktop operating systems (e.g., Windows 10, Windows 11). Microsoft Group Policy Management (for managing settings across multiple machines). Windows Server Update Services (WSUS) (for managing updates). Virtualization technologies (e.g., VMware, Hyper‑V).
• Demonstrated experience with Sponsor’s security-controlled systems, software, and data architecture.
• Demonstrated experience with Sponsor’s Assessment and Authorization (A&A) processes.
• Demonstrated experience as a data transfer officer with Sponsor’s security-controlled systems.
• Demonstrated experience with Sponsor’s security-controlled systems.
• Demonstrated experience with IT Program Management and support.

Clearance level:

TS/SCI with Polygraph Additional scrub required

Location:

McLean, VA (On Customer Site)

Telecommuting Options:

• Onsite Work Location: USA VA McLean Additional Work Locations:

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

#WeAreGDIT #JET #GDITEnhanced2026 #VA_2026Alumni

Salary Range:

The likely salary range for this position is $199,750 - $270,250. 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.

Working Hours and Travel:

• Scheduled Weekly Hours: 40
• Travel Required: Less than 10%
• Telecommuting Options: Onsite Work Location: USA VA McLean Additional Work Locations:

Total Rewards at GDIT:

The 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.

Identity Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work:

We are GDIT. A global technology and professional services company that delivers technology solutions 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 mission-ready capabilities in AI, cloud, cyber and software development.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans Opportunity Owned:

From working with technologies like AI, cyber and cloud to careers in intelligence and health, we offer endless opportunities to apply your expertise to create a safer, smarter world.

For more information about GDIT's Privacy Policy, click here: Privacy Policy | GDIT