Systems Administrator - Windows (TS/SCI with Poly REQUIRED)

General Dynamics Information Technology

McLean, VA Posted 4/24/2025 Full Time

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:

Systems Administration

Job Qualifications:

Skills:

Active Directory (AD), Computing, Group Policy, Hardware Systems, Microsoft PowerShell

Certifications:

None

Experience:

5 + years of related experience

US Citizenship Required:

Yes

Job Description:

Systems Administrator Senior

Transform technology into opportunity as a Systems Administrator Senior with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how agencies operate.

At GDIT, people are our differentiator. As a Systems Administrator Senior you will help ensure today is safe and tomorrow is smarter. Our work depends on a Systems Administrator Senior joining our team and provisioning, installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure. This individual participates in the whole process lifecycle from technical research to enable continuing innovation within the infrastructure through to application/product delivery. This individual ensures that system hardware, operating systems, and related procedures adhere to organizational values, enabling staff, volunteers, and Partners.

The successful candidate will be managing the functionality and efficiency of a group of computers running Windows operating systems. They will manage a Windows domain, using Active Directory, Group Policy, Trellix ePolicy Orchestrator, Configuration Manager, PowerShell, Horizon/Omnissa and Delinea.

HOW A SYSTEMS ADMINISTRATOR SENIOR WILL MAKE AN IMPACT

  • Manages the functionality and efficiency of a group of computers running Windows operating systems

  • Maintains the integrity and security of servers and systems through approval and processing of patches

  • Interact with users and evaluates vendor products

  • Research and recommends hardware and software, coordinates installation and provides backup recovery

  • Monitors policies and standards for allocation related to the use of computing resources

  • May program in an administrative language

  • Leverage scripting and system automation tools

  • Oversees implementation of testing strategies and documentation of results

  • Provides advice and training to end-users

  • Maintains current knowledge of relevant technologies as assigned

  • Responsibilities sometimes require working evenings and weekends, sometimes with little advanced notice

  • Uses VMware to build and maintain virtual machines

  • Maintains systems documentation


WHAT YOU’LL NEED TO SUCCEED

  • Bachelor’s Degree in Computer Science or related technical discipline, or other related technical discipline, or equivalent combination of education, technical certifications, training, and work/military experience

  • Minimum five (5) years of related systems engineering experience in systems administration and analysis

  • Location: On Customer Site

REQUIRED SKILLS

  • Active Directory

  • Group Policy

  • PowerShell

  • Windows Operating System

  • Configuration Manager

DESIRED SKILLS

  • Horizon VDI deployment

  • Omnissa (Formerly VMware)

  • Application packaging and deployment

  • Wyse thin client management

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

The likely salary range for this position is $102,000 - $138,000. 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:

None

Telecommuting Options:

Onsite

Work Location:

USA VA McLean

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 30 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.We connect people with the most impactful client missions, creating an unparalleled work experience that allows them to see their impact every day. We create opportunities for our people to lead and learn simultaneously. From securing our nation’s most sensitive systems, to enabling digital transformation and cloud adoption, our people are the ones who make change real.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans
JOB LOCATION:
McLean, VA 22101

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