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System Administrator

Job in Silver Spring, Montgomery County, Maryland, 20900, USA
Listing for: Reston Consulting Group
Full Time position
Listed on 2026-02-28
Job specializations:
  • IT/Tech
    IT Support, Systems Administrator, Cybersecurity
Salary/Wage Range or Industry Benchmark: 80000 - 85000 USD Yearly USD 80000.00 85000.00 YEAR
Job Description & How to Apply Below

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Location: Silver Spring, MD – On-Site
Employment Type: Full-Time
Salary Range: $80,000 – $85,000 annually

Who We Are

RCG, Inc. is a fast-growing federal contracting firm proudly Certified™ as a Great Place to Work®. We foster a culture of innovation, inclusion, and excellence while delivering technology and mission support services that help government agencies succeed.

We are seeking a System Administrator to support a federal government customer with staff located at the Silver Spring Metro Campus and field offices in Norfolk, VA;
Chesapeake, VA;
Seattle, WA; and Durham, NH.

Please note
:
Due to the secure nature of this government agency, all candidates must be U.S. Citizens and able to successfully pass the required background investigation.

The Opportunity

This full-time, on-site role is ideal for an experienced IT professional with strong system administration skills and a customer-focused mindset. You’ll support mission systems and end users while collaborating with government stakeholders and internal technical teams.

Key Responsibilities
  • Support Azure and AWS environments, including migrations from on-premises systems
  • Assist with cloud strategy, risk management, and security authorization planning
  • Analyze server architecture and recommend infrastructure improvements
  • Provide engineering and administration support for cloud-based services
System Administration
  • Administer Windows and Linux (Red Hat/Amazon) environments
  • Monitor system performance to ensure uptime and reliability
  • Install, configure, patch, and maintain servers and applications
  • Maintain system documentation, inventories, and capacity planning
  • Configure new systems and manage hardware/software assets
User & Access Management
  • Create, modify, and remove user accounts
  • Manage MFA, password policies, RBAC, ICAM, and Yubi Key distribution
  • Support Google Workspace (email, calendar, client configuration)
Security & Compliance
  • Apply security patches and monitor vulnerabilities
  • Support System Security Plans (SSPs) in coordination with ISSO
  • Assist with cloud security controls and authorization boundaries
  • Monitor threats and incidents using tools such as Tenable
Troubleshooting & Operations
  • Diagnose hardware, software, and connectivity issues
  • Support Windows/Linux interoperability and COTS/custom applications
  • Develop basic automation to improve administrative efficiency
  • Coordinate hardware repairs and vendor support
Backup, Recovery & Documentation
  • Maintain backup and disaster recovery procedures
  • Test recovery plans to support business continuity

    Document system changes and develop SOPs/training materials
  • Support Help Desk teams with ticket resolution
Required Qualifications Education

Bachelor’s degree (or equivalent experience; 4 years may substitute)

Experience
  • 9–11 years in system administration or related technical field
Skills & Knowledge
  • AWS, Azure, and Google Workspace
  • Windows and Linux server administration
  • MFA, RBAC, ICAM, and Yubi Key management
  • Backup strategies and disaster recovery planning
  • Security patching, vulnerability management, and incident response
  • Automation/scripting for administrative efficiency
  • Strong troubleshooting and documentation skills
  • Ability to collaborate with vendors, internal teams, and federal stakeholders
Preferred
  • Certifications:

    CompTIA A+, Network+, Security+, ITIL, CISSP
  • Familiarity with Service Now, Active Directory, Microsoft 365
Work Environment & Physical Demands
  • Secure federal office environment
  • May lift equipment up to 50 lbs
  • Ability to sit or stand for extended periods
  • Occasional after-hours or weekend support
Security Requirements
  • Employment contingent upon successful government background investigation
  • Position is not telework eligible
Why Join RCG?
  • Competitive compensation
  • Growth opportunities in federal IT
  • Supportive, people-first culture

RCG is an Equal Opportunity Employer. All qualified applicants will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic.

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