Remote Linux System Administrator Jobs in Annapolis, MD

Location: Washington, DC (Remote)
Work Schedule: Full-Time | 100% Remote (Occasional On-Site Meetings as Required)
Clearance Requirement: U.S. Citizenship Required | Must be Eligible to Obtain a Public Trust Clearance
Salary Range: $135,000 $140,000

Who We Are

RCG, Inc. is a growing federal contracting company proudly Certified as a Great Place to Work 4 consecutive years. We are committed to fostering a culture of innovation, collaboration, and excellence while delivering secure, reliable technology solutions that support critical government missions.

The Opportunity

RCG is seeking an experienced Senior Systems Administrator to support a federal government customer in a fully remote environment. This role is ideal for a seasoned IT professional who enjoys managing enterprise infrastructure, maintaining highly available systems, and collaborating with cross-functional teams to deliver secure and reliable technology services.

Although this position is 100% remote, travel to the customer's Washington, DC location may be required for meetings, planning sessions, or operational support, as needed.

What You'll Do

Systems Administration & Infrastructure

• Administer, configure, maintain, and optimize Windows and virtual server environments.
• Manage physical and virtual servers, workstations, storage, and infrastructure appliances.
• Monitor system health, performance, capacity, and availability across the enterprise environment.
• Perform routine system maintenance, upgrades, patch management, and lifecycle planning.
• Implement and maintain system hardening and security best practices.

Operations & Support

• Troubleshoot complex hardware, software, networking, and operating system issues.
• Perform system backups, disaster recovery testing, and data integrity verification.
• Maintain high system availability through proactive monitoring and rapid incident response.
• Develop and maintain technical documentation, operating procedures, and system diagrams.
• Collaborate with engineers, cybersecurity personnel, and application teams to resolve infrastructure issues.
• Support infrastructure modernization initiatives and continuous service improvement efforts.

Reporting & Process Improvement

• Develop operational dashboards and reports to monitor infrastructure health and performance.
• Identify opportunities to automate administrative tasks and improve operational efficiency.
• Recommend infrastructure enhancements to improve reliability, scalability, and security.

What We're Looking For

• U.S. Citizenship.
• Eligible to obtain and maintain a Public Trust clearance.
• Bachelors degree in information technology, Computer Science, Engineering, or a related field. Equivalent experience may be substituted.
• Minimum 8 years of progressively responsible Systems Administration experience in enterprise environments.
• Experience administering Windows Server operating systems and enterprise Active Directory environments.
• Experience supporting virtualized environments such as VMware or Hyper-V.
• Experience with enterprise backup and recovery solutions.
• Strong experience with Microsoft Windows desktop and server operating systems.
• Experience with patch management, system monitoring, and infrastructure performance tuning.
• Strong troubleshooting and root cause analysis skills.
• Excellent written and verbal communication skills with the ability to explain technical concepts to non-technical stakeholders.
• Ability to work independently while collaborating effectively within a distributed team environment.

Preferred Qualifications

• Experience supporting federal government IT environments.
• Experience with Microsoft Azure or other cloud platforms.
• Experience with Microsoft 365 administration.
• Experience with PowerShell or other automation and scripting tools.
• Experience supporting enterprise storage solutions.
• Microsoft, VMware, or cloud certifications.
• ITIL Foundation certification.

Work Environment

• Full-time position.
• 100% Remote.
• Travel to the customer site in Washington, DC may be required, as needed.
• Standard business hours with occasional after-hours support for planned maintenance or critical incidents.

Why You'll Love Working Here

• Certified Great Place to Work
• Competitive salary and comprehensive benefits package.
• Remote work with a healthy work-life balance.
• Opportunities for professional development, training, and career advancement.
• Collaborative team environment supporting mission-critical federal systems.
• Opportunity to make a meaningful impact supporting important government programs.

Equal Opportunity Employer

RCG, Inc. is an Equal Opportunity Employer. We are committed to creating an inclusive workplace and providing 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.