Windows Systems Administrator - TS/SCI w/Polygraph

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

Benefits offered by this job

401K with match

Health and wellness packages

Internal mobility support

Paid education and certifications

Cutting-edge technology exposure

Paid vacation and holidays

Job summary

General Dynamics Information Technology (GDIT) seeks a seasoned Windows Systems Administrator to install, configure, and support Windows OS across physical and virtual servers, ensuring security, patches, and peak performance. The role requires expertise in MSSQL, ADCS, VM clusters, and PowerShell scripting, with a focus on secure, compliant operations.

Applicants should have 15+ years of experience, a BS in a related field, and readiness to handle A&A processes for security-controlled

Qualifications

• 15+ years of related experience.
• Bachelor of Science in Computer Science, Engineering, or other IT-related discipline, or equivalent.
• Experience with Windows systems engineering and administration including MSSQL, ADCS, VM clusters, Hyper-V, DPM, and PowerShell.

Responsibilities

• Install, configure, support and deploy Windows operating systems.
• Ensure security and performance of Windows environments.
• Manage virus updates, patches and performance tuning on physical and virtual servers.
• Demonstrate experience with A&A processes for security-controlled systems.
• Handle certificate management and data protection tasks.

Skills

SQL databases

VMware clusters

Windows engineering

Windows system administration

Education

B.S. in CS/Engineering or equivalent

Tools

Windows Server

Windows Desktop

Group Policy

WSUS

VMware

Hyper-V

Job description

Req ID: RQ229429

Type of Requisition: Regular

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

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

• 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 IT Program Management and support.

• 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).

• Security clearance level: TS/SCI with Polygraph

• Additional scrub required

• 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

#WeAreGDIT

#JET

#GDITEnhanced2026

#VA_2026Alumni

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.

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.

Our 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