Systems Administrator
GDH· enterprise· Information Technology And Services· Oct 6, 2026 · 22d ago
Quantico, Virginia
Hybrid
Contract
Senior
$54–$58/hr
5+ years exp
Job description
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Job ID: 113722
Location: Quantico, Virginia [ On-Site ]
Category: App/Dev
Employment Type: Contract
Date Added: 10/05/2026
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Role Summary
This part-time System Administrator position supports Windows desktop environments, network infrastructure, and cybersecurity activities within a testing laboratory environment. The role provides hands-on technical support for system maintenance, updates, testing, data collection, and security documentation. This position is based on-site in Quantico, Virginia, and typically requires approximately 24 hours of work per week.
Responsibilities
• Provide Windows desktop support and troubleshoot hardware and software issues.
• Coordinate with cybersecurity teams to identify, implement, and verify system updates, patches, and security configurations.
• Perform system confirmation testing according to established plans and procedures to support system readiness.
• Provide technical support during personnel testing sessions, including identifying, documenting, and troubleshooting issues.
• Execute data downloads and distribute data according to established procedures.
• Assist with documentation and artifacts supporting Authority to Operate (ATO) package preparation.
• Maintain and update lab systems and air-gapped networks to support applicable security and authorization requirements.
• Perform scheduled and on-demand system maintenance and updates.
• Provide on-site technical support during testing, data collection, and demonstration activities.
• Collaborate with cybersecurity personnel to support system security and compliance requirements.
Qualifications
• 5+ years of experience supporting Windows desktop operating systems, or equivalent practical experience supported by relevant education, training, or certifications.
• 5+ years of experience with PC maintenance and troubleshooting.
• 5+ years of experience working with Cisco IOS switches and routers.
• 5+ years of LAN administration experience.
• Experience with Risk Management Framework (RMF) documentation or technical writing.
• Ability to work independently, manage time effectively, and prioritize tasks in a fast-paced environment.
• Strong verbal and written communication, problem-solving, and interpersonal skills.
• This position requires eligibility for a U.S. Government security clearance. In accordance with federal law, U.S. citizenship is required. (Ability to obtain and maintain a Secret security clearance).
• Availability to work approximately 24 hours per week on-site in Quantico, Virginia.
• Relevant certifications such as CompTIA A+, CompTIA Network+, Microsoft, or Cisco certifications are preferred.
Publishing Pay Range: $54.00 – $58.00 hourly
This position is based onsite and requires employee to work on-site.
About GDH:
At GDH, we believe in the power of people and the importance of caring. Our culture statement, “We care about people,” isn’t just a tagline – it’s the core of everything we do. GDH is a premier staffing and talent solutions company dedicated to helping businesses find the best talent and assisting job seekers in finding their dream jobs.
Who We Are:
GDH, founded in 2001, has grown into a leader in providing staffing solutions across various industries. We specialize in IT across several sectors, connecting top talent with leading enterprises. As a Best of Staffing firm recognized for excellence in client, employee, talent, and women’s services, we pride ourselves on our commitment to quality and service.
GDH Benefits
GDH offers a range of employee benefits that are designed to promote well-being and help maintain a healthy work-life balance. These comprehensive benefits cover various aspects of an employee’s life and aim to enhance their overall experience with the company. Our health benefits include three medical insurance options with access to KISx Card, Zero Card, and HealthJoy concierge services. Other plan offerings include dental, vision, life, disability, supplemental insurance, and pet insurance plans. Enjoy additional perks like holiday pay, 401(k) plan, direct deposit, an employee referral program, work-life balance benefits, a Wellbeats membership, a discounted gym membership program, and more! For more detailed information on benefits, please go to GDH’s website under the tab for candidates.
GDH provides equal employment opportunities (EEO) to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, gender, sex (including pregnancy), sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, ancestry, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable federal, state, and local laws. Applicants with disabilities who require an accommodation or assistance in applying and/or for interviewing, please contact our HR Department.
Please visit our notice of collection for California applicants.
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Benefits
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Dental
Vision
401(K)