Systems Administrator - Windows

RCG; Washington (District of Columbia); On-site; USD 90,000 - 108,000; Full time

Job summary

RCG, Inc. is seeking a Systems Administrator – Windows for a full-time, on-site role in Washington, DC. This position administers Windows servers and virtual environments, ensuring stability, security, and performance across enterprise systems.

A Top Secret clearance and US citizenship are required. The candidate will install, configure, and maintain servers, manage accounts and access, perform patching and backups, and collaborate with IT teams to support mission-critical government

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or related technical field.
• 3–5 years of experience in systems administration or related IT discipline.
• U.S. Citizenship and an active Top Secret clearance.

Responsibilities

• Install, configure, maintain, and support Windows servers and virtual environments.
• Monitor Windows systems for stability, availability, performance, security, and scalability.
• Troubleshoot and resolve server, OS, application, and user-reported issues.
• Review system and error logs to identify and resolve problems.
• Perform routine system maintenance, updates, and patching.
• Manage user accounts, system access, permissions, and related admin functions.
• Maintain server security and support vulnerability remediation activities.
• Perform and monitor system backups and recovery activities.
• Provide technical support for users and back-end systems.
• Support Windows Server upgrades, migrations, and infrastructure improvements.
• Collaborate with IT managers and team members to resolve issues and maintain reliable operations.
• Maintain technical documentation related to system configurations and maintenance.

Skills

Windows Server

Active Directory

Security+

Virtualization

Troubleshooting

Education

Bachelor's degree in CS/IT

Tools

Hyper-V

VMware

Job description

Systems Administrator – Windows Level I

**PLEASE - DO NOT APPLY IF YOU DO NOT HOLD AN ACTIVE TOP-SECRET CLEARANCE**

Location: Washington, DC
Employment Type: Full-Time
Work Arrangement: 100% On-Site – Five Days per Week
Salary Range: $90,000 – $108,000
Citizenship & Clearance Requirement: U.S. Citizenship and an active Top Secret clearance are required.

Who We Are

RCG, Inc. is a growing federal contracting company delivering technology, cybersecurity, and professional solutions that support critical government missions. We are proudly Certified™ as a Great Place to Work® for four consecutive years, reflecting our commitment to creating an environment where employees can grow, contribute, and build rewarding careers.

The Opportunity

RCG is seeking a Systems Administrator – Windows to support an ongoing federal government contract in Washington, DC.

This is a hands-on systems administration role responsible for the installation, configuration, maintenance, security, and support of Windows servers and virtual environments. The successful candidate will help ensure the stability, availability, performance, and security of enterprise Windows systems while providing technical support and troubleshooting across the environment.

What You’ll Do

• Install, configure, maintain, and support Windows servers and virtual environments.
• Monitor Windows systems for stability, availability, performance, security, and scalability.
• Troubleshoot and resolve server, operating system, application, and user-reported issues.
• Review system and error logs to identify and resolve technical problems.
• Perform routine system maintenance, updates, and patching.
• Manage user accounts, system access, permissions, and related administrative functions.
• Maintain server security and support vulnerability remediation activities.
• Perform and monitor system backups and support recovery activities.
• Provide technical support for users and back-end systems.
• Support Windows Server upgrades, migrations, and other infrastructure improvements.
• Collaborate with IT managers and technical team members to resolve issues and maintain reliable system operations.
• Maintain appropriate technical documentation related to system configurations, maintenance, and support activities.

What We’re Looking For

• Bachelor’s degree in Computer Science, Information Technology, or a related technical field.
• 3–5 years of experience in systems administration or a related IT discipline.
• U.S. Citizenship and an active Top Secret security clearance.
• CompTIA Security+ certification.
• Strong knowledge of Windows Server 2012 R2, 2016, and 2019 environments.
• Demonstrated hands‑on experience administering Windows servers.
• Experience with virtualization technologies and virtual server environments.
• Familiarity with databases, patch management, and LAN/WAN networking.
• Knowledge of network security systems, intrusion detection, system hardening, and data backup.
• Experience managing user access, permissions, and system security.
• Strong troubleshooting, analytical, and problem‑solving skills.
• Strong written and verbal communication skills.
• Ability to work independently while collaborating effectively within a technical team.

Preferred Qualifications

• Microsoft Certified: Windows Server Hybrid Administrator Associate or equivalent Microsoft certification.
• Experience supporting Windows systems within a federal government or other highly regulated environment.

Work Environment

This is a full-time, 100% on-site position in Washington, DC, requiring attendance five days per week. There are no remote work options for this position.

The selected candidate will support an active federal government environment and work closely with IT managers, systems administrators, technical support personnel, and other infrastructure professionals.

Please Note

The successful candidate will receive a contingent offer pending completion of applicable government background investigation and customer onboarding requirements. Candidates cannot begin work until all required government processing has been successfully completed.

Why Join RCG?

• Join a company proudly Certified™ as a Great Place to Work® for four consecutive years.
• Support mission‑critical federal technology environments.
• Work alongside experienced technical and cybersecurity professionals.
• Opportunities for continued technical and professional development.
• Competitive compensation and comprehensive benefits, including medical, dental, vision, paid time off, paid holidays, and a 401(k) with company match.

Equal Opportunity Employer

RCG, Inc. is an Equal Opportunity Employer. We provide equal employment opportunities to all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status, or any other characteristic protected by applicable law.

• Health Care Plan (Medical, Dental & Vision)
• Retirement Plan (401k, IRA)
• Life Insurance (Basic, Voluntary & AD&D)
• Paid Time Off (Vacation, Sick & Public Holidays)
• Family Leave (Maternity, Paternity)
• Short Term & Long Term Disability
• Training & Development
• Wellness Resources