Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Systems Administrator - Windows Level I (TOP-SECRET ONLY)

$90k - $108k

RCG

Job Description

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.

Requirements

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.

Benefits

  • 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

Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Systems Administrator - Windows Level I (TOP-SECRET ONLY) in Washington DC vacancy
  • $150k - $175k

    OverviewAMERICAN SYSTEMS, a 100% employee-owned federal...  ...a Senior Systems Administrator with strong Red Hat Linux CLI and Windows administration experience...  ...requirementsQualificationsActive TOP SECRET clearance with SCI...  ...DoD 8140 IAT Level II cert (e.g., Security+... 
    Windows
    Local area
    Remote work
    Relocation package

    AMERICAN SYSTEMS

    Washington DC
    1 day ago
  • $112k - $179k

     ...Peraton is current hiring a Mid‑Level Malware Reverse Engineer for...  ...government communication systems.Conduct reverse engineering on...  ...applications across Linux, macOS, Windows, iOS, Android, and IoT...  ...citizenship required.Active Top Secret Clearance with the ability to... 
    Windows
    Contract work
    Local area
    Remote work
    Shift work

    Peraton Corporation

    Arlington, VA
    10 hours ago
  •  ...compliance, securing operating systems, and executing patch management across Windows and Linux environments...  ...VBScript, or similar administrative languages.Collaborate...  ...technology.IAT or IAM Level III Certification (...  ...required.Active Top-Secret Clearance required.Why... 
    Windows
    Full time

    Cedent Consulting

    Washington DC
    10 hours ago
  •  ...Description Directory Services System Administrator  Advance how our customers operate...  .../AWS Admin, Azure/AWS Security, Windows Server Hybrid Administrator, MCSE)  REQUIRED  Clearance Level Must Currently Possess: Top Secret and SCI eligible  Location: Onsite... 
    Windows
    Flexible hours

    General Dynamics Information Technology

    Washington DC
    6 hours ago
  •  ...clientele at the highest levels of the federal...  ...connecting and enhancing the systems that matter most. In...  ...organizational units) and provide administration support for Microsoft...  ...Level: Active Top Secret with SCI Eligibility....  ...Skills: Advanced Windows & MacOS troubleshooting... 
    Windows
    Work at office
    Remote work
    All shifts
    Shift work
    Night shift
    Weekend work

    General Dynamics Information Technology

    Washington DC
    1 day ago
  •  ...This is a journeyman-level position working on-site...  ..., network, and mobile systems connected to local and...  ...local-area system administration functions. Support...  ...administer UNIX, Linux, Windows, Wintel, VxWorks, and...  ...Active, final DoD-granted Top Secret security clearance... 
    Windows
    For subcontractor
    Local area

    Vantage Systems

    Washington DC
    1 day ago
  • $112k - $179k

    ResponsibilitiesPeraton is seeking an experienced Windows Systems Administrator to support our Federal...  ...you will provide enterprise-level support for Windows Server...  ...Citizenship required.Active Secret clearance with the ability to obtain a final Top Secret security clearance.... 
    Windows
    Contract work
    Shift work

    Peraton Corporation

    Beltsville, MD
    2 days ago
  • $112k - $179k

    ResponsibilitiesPeraton is seeking a Windows Systems Administrator (Journeyman) to support the...  ...remediation of system-level issues.Develop and maintain...  ...required.An Active Secret security clearance with eligibility to obtain a final Top Secret security clearance.Ability... 
    Windows
    Contract work
    Shift work

    Peraton Corporation

    Beltsville, MD
    2 days ago
  •  ...you to join as a DevSecOps System Administrator to be part of highly talented...  ...infrastructure teams for server-level issues requiring additional...  ...-on experience supporting Windows servers and workstations...  ...Clearance to Start: Interim Secret Work Status Allowable: US... 
    Windows
    Full time
    Interim role
    Work at office
    Remote work

    Xcelerate Solutions

    Arlington, VA
    2 days ago
  • $120k - $140k

     ...ISO 27001:2022 certifications; CMMC Level 2 certification; and CMMI Maturity Level...  ...Link Solutions is seeking a  Windows System Administrator (Senior-Level) to join our team at Adelphi...  ...Must be a U.S. Citizen Active Top Secret Clearance required IAT Level II Certification... 
    Windows
    Full time
    Temporary work
    Work at office
    Remote work
    Relocation package
    Monday to Friday

    Link Solutions, Inc.

    Adelphi, MD
    20 days ago
  •  ...Seeking an experienced Senior Systems Administrator to support mission-critical...  ...messaging gateway administration, Windows Server, Active Directory,...  ...critical operations. ~ Active DoD Top Secret (TS) clearance. ~ DoD 8570/8140-compliant IAT Level II certification required,... 
    Windows
    Full time

    Techvilla Solutions

    Arlington, VA
    15 days ago
  • $155k - $215k

     ...Mars.SR. IT NETWORK ENGINEER - TOP SECRET CLEARANCE SpaceX is looking...  ...performance and reliability using system performance metrics,...  ...Secret, Top Secret SCI, or DOE Level Q clearancePREFERRED SKILLS AND...  ...toolsNetwork documentation Linux/Windows system... 
    Windows
    Permanent employment
    Temporary work
    Weekend work

    SpaceX

    Washington DC
    1 day ago
  •  ...Senior PostgreSQL Database Administrator We are seeking an experienced...  ...supporting mission-critical systems. The Senior PostgreSQL DBA...  ..., and operating system–level tuning. Implement and enforce...  ...LL NEED TO SUCCEED Active Top Secret security clearance with SCI... 

    General Dynamics Information Technology

    Washington DC
    more than 2 months ago
  • $92.3k - $166.85k

     ...operations and a team of MECM administrators responsible for endpoint imaging, operating system deployment,...  ...configuration deficiencies across Windows endpoints in OSD...  ...is a must.• Active Top Secret clearance or higher at...  ...0.01-M / DoD 8140 IAT Level II baseline certification... 
    Windows
    Full time

    Leidos

    Arlington, VA
    2 days ago
  •  ...threats. Job Description Linux Administrator   Advance how our customers...  ...environments.  ~ Proactively monitor system performance and availability,...  ....  REQUIRED   Clearance Level Must Currently Possess: Top Secret and SCI eligible  Location: Onsite... 
    Flexible hours

    General Dynamics Information Technology

    Washington DC
    19 days ago
  • $135k - $216k

     ...engineering operations, including systems administration, physical and virtual...  ...LeadershipProvide senior-level direction to system administrators...  ...experience administering Windows Server and/or Linux/Unix...  ...is required.Active Top Secret security clearance. Preferred... 
    Windows
    Contract work
    Currently hiring
    Shift work

    Peraton Corporation

    Beltsville, MD
    10 hours ago
  •  ...threats. Job Description Tier 2 System Administrator  Advance how our customers operate...  ...roles.  Familiarity with enterprise-level troubleshooting tools and technologies...  ...Level Must Currently Possess: Top Secret and SCI eligible  Location: Onsite... 
    Flexible hours

    General Dynamics Information Technology

    Washington DC
    2 days ago
  •  ...clientele at the highest levels of the federal...  ...and enhancing the systems that matter most....  ...of Microsoft Windows and MacOS operating...  ...Utilize standard administrative tools for Tier 1 identity...  ...while maintaining top-tier customer...  ...Level: Active Top Secret with SCI Eligibility... 
    Windows
    Full time
    Remote work
    All shifts
    Shift work
    Night shift
    Weekend work

    General Dynamics Information Technology

    Washington DC
    15 hours ago
  •  ...Pentest Operator Top Secret Clearance required to start Beltsville...  ...on High Value Asset (HVA) systems and enterprise security assessments...  ...and presenting executive-level out-briefs. The ideal...  ...Active Directory environments, Windows and Linux systems, and common... 
    Windows
    Temporary work

    System One

    Calverton, MD
    2 days ago
  •  ...is one of the DC Metro top employers!Background Investigation...  ...Security Administrator - Junior w/ TS/SCI with...  ...Database Administrator - Secret (Remote)Remote, McLean, VirginiaBusiness Systems Analyst Junior - TSClarksburg...  ...Specialist Mid Level - TSClarksburg, West VirginiaProgram... 
    Remote work

    Xcelerate Solutions

    Arlington, VA
    1 day ago
  •  ...Washington, DC Clearance : Top Secret DESCRIPTION The Insider...  ...clearance at the Tier 5 level or higher. BS or BA degree...  ...positives. Working knowledge of Windows, Unix, and Linux environments...  ...Ability to work with Information System Security and Engineering... 
    Windows

    Agile Defense

    Washington DC
    27 days ago
  • $100k - $140k

     ...least 5 years of relevant systems administration experience, or an additional...  ...environments at the Tier II level. We require...  ...measures. We require an active Top Secret/SCI clearance. Microsoft...  ...systems. We administer Windows servers, workstations, Microsoft... 
    Windows
    Full time
    Contract work
    Work at office

    MANTECH

    Alexandria, VA
    1 day ago
  •  ...personal impact as a Systems Engineer supporting a...  ...client at the highest levels of the federal government...  .... Deliver system administration, operational support,...  ...routing solutions, and Windows-based terminals in tactical...  ...Possesses an active TOP SECRET/SCI clearance and... 
    Windows
    Contract work
    Relocation
    Flexible hours

    General Dynamics Information Technology

    Washington DC
    10 days ago
  • $180k - $200k

     ...is seeking an experienced Systems Administrator III to support a federal Operations...  ...experience administering Windows and Linux environments,...  ...experience ~ Active Top Secret/SCI w/CI Poly  ~ DoD 8140/...  ...supporting Multiple Independent Levels of Security (MILS)... 
    Windows
    Full time
    Contract work
    Temporary work
    Immediate start
    Flexible hours

    A&M Technologies, Inc.

    Suitland, MD
    5 days ago
  • $100k - $140k

     ...Type of environment: Office Noise level: Medium Work schedule: Schedule is...  ...SECURITY CLEARANCE U.S. Citizen Top Secret Clearance WAGE INFORMATION...  ...of concept Knowledge of operating systems, including Windows, Linux, Mac, and mobile operating systems... 
    Windows
    Full time
    Contract work
    Temporary work
    Work at office
    Local area
    Monday to Friday
    Weekend work
    Day shift
    Afternoon shift

    TekSynap

    Washington DC
    13 days ago
  • $86k - $138k

     ...with real-time, mission‑critical internal systems.As part of this effort, you will help...  ...virtualized cloud platforms.Support Linux and Windows system environments.Research and explore...  ...years of relevant experience.A current Top Secret security clearance with SCI eligibility... 
    Windows
    Contract work
    Shift work

    Peraton Corporation

    Washington DC
    1 day ago
  •  ...Job Description Job Description Senior Discovery IT System Administrator Employment Type: Full-Time, Executive-Level Department: Legal      CGS is seeking a dedicated Senior Discovery IT System Administrator to join a fast-paced and hard-working team to assist... 
    Full time
    For contractors
    Flexible hours

    Contact Government Services, LLC

    Arlington, VA
    a month ago
  •  ...backbone of mission-critical systems for government and...  ...company and individual levels. This combination of experience...  ...how we work: we hire top talent, provide them...  ...Virtualization and Server Administration: Administer VMware vSphere and Windows Server environments, ensuring... 
    Windows
    Work at office
    Immediate start
    Flexible hours

    Networking for Future

    Washington DC
    2 days ago
  • $150k - $200k

    MTSI is seeking a Senior Systems Administrator - COMSEC Specialist whose primary function will be...  ...client systems and applications for a Windows environment.Required Qualifications:10...  ...related field.Clearance Requirements:Top Secret, SCI Eligible; SAP experience within last... 
    Windows
    Contract work

    Modern Technology Solutions

    Washington DC
    1 day ago
  • $120.9k - $184.5k

    Job Type: RegularClassified Systems Administrator, IVOverview of RANDThe RAND...  ...issues, providing guidance on Windows- or Linux-based...  ...storage. Support TS/SCI and secret-classified Linux servers and...  ...assigned.QualificationsSenior level skills in supporting Red Hat... 
    Windows
    Full time
    For contractors
    Work experience placement
    Work at office
    Local area
    Remote work
    Relocation

    RAND Corporation

    Washington DC
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Systems Administrator - Windows Level I (TOP-SECRET ONLY). Be the first to apply!