Systems Administrator - Top-Secret a must!
$90k - $108kReston Consulting Group, Inc.
Systems Administrator
Location: Washington, DC – Onsite (Five days per week) Clearance Requirement: Active Top-Secret Clearance (U.S. Citizen or Permanent Resident) Salary Range: $90,000 – $108,000
At RCG, we're more than just a federal contracting company — we're a team of innovators, problem-solvers, and collaborators. Proudly Certified™ as a Great Place to Work®, we are committed to fostering a culture where people can grow, contribute, and thrive while delivering exceptional IT services to our government clients.
The Opportunity
We are currently seeking a Systems Administrator (Windows) to join our team in Washington, DC. This full-time role supports an ongoing government contract and requires five days per week on-site. There are no remote work options for this position.
Please note: Due to the secure nature of this government agency, all candidates must be U.S. citizens or Permanent Residents and hold an active Top-Secret clearance. The successful candidate will receive a contingent offer based on the outcome of a government background check. This process may take several weeks, and candidates cannot begin employment until it is successfully completed.
Role Overview
The Systems Administrator (Windows) will be responsible for the installation, configuration, maintenance, and support of Windows servers and virtual environments. This position requires strong knowledge of Windows operating systems, virtualization technologies, and a proactive approach to ensuring system stability, availability, and security.
Primary Responsibilities
- Install, configure, and maintain Windows servers and virtual environments.
- Assess system stability, security, and scalability of installed Windows systems.
- Provide technical support for users and back-end systems.
- Troubleshoot and resolve system and server errors.
- Review error logs and respond to user-reported issues.
- Monitor and update the Windows codebase.
- Manage user access and system permissions.
- Monitor system performance and perform regular maintenance.
- Maintain server security, apply patches, and perform backups.
- Collaborate with IT managers on system and server upgrades.
Qualifications
- Active Top-Secret Clearance required.
- Bachelor's degree in Computer Science, Information Technology, or related field.
- 3–5 years of experience in systems administration or a related IT field.
- CompTIA Security+ certification required.
- Strong knowledge of Windows Server 2012R2, 2016, 2019 environments.
- Proven experience as a Windows Administrator.
- Familiarity with databases, patch management, and LAN/WAN networks.
- Knowledge of network security systems, intrusion detection, and data backup.
- Excellent problem-solving, communication, and troubleshooting skills.
- Ability to work independently and collaboratively in a dynamic environment.
Preferred Certifications
- Microsoft Certified: Windows Server Hybrid Administrator Associate (or equivalent).
RCG, Inc. is proud to be an Equal Opportunity Employer. We do not discriminate against qualified individuals based on their status as protected veterans or individuals with disabilities, and we prohibit discrimination against all individuals based on race, color, religion, sex, sexual orientation/gender identity, or national origin.
$90k - $108k
Systems Administrator Location: Washington, DC – Onsite (Five days per week) Clearance Requirement: Active Top-Secret Clearance (U.S. Citizen or Permanent Resident) Salary Range: $90,000 –... ...this government agency, all candidates must be U.S. citizens or Permanent...SuggestedOngoing contractPermanent employmentFull timeRemote work$160k - $170k
...Systems Administrator Job Location: Onsite – Arlington, VA Job Type: Full time, 10% travel Salary Target: $160,000 - $170,000 Minimum Clearance: US Citizen holding an active Top Secret/SCI clearance Xenith Solutions is a small mission-focused business serving...SuggestedFull timeContract workFor contractorsLocal area$127.5k - $172.5k
...Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top... ...Citizenship Required: Yes Job Description: PKI Systems Administrator Advance how our customers operate while you...SuggestedTemporary workImmediate startRemote workWorldwideFlexible hours- ...PKI Systems Administrator Location: USA DC Washington Full Part/Time: Full time Job Req: RQ217306 Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None...SuggestedFull timePart timeFlexible hours
- ...Enterprise-Services,-LL is looking for a Systems Administrator to support secure system operations in... ...support to users. Candidates must hold a Bachelor’s degree in IT or a related... ...least 3 years of experience. An Active Top Secret clearance and DoD certification are required...Suggested
- ...Senior Systems Administrator, Top Secret Security Clearance Required, Arlington, VA We are seeking a Senior Systems Administrator to perform a... ...Certification preferred. - Strong client relationship skills. Must be able to interface internally and externally with...
$110.5k - $149.5k
...: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to... ..., Mobile Device Management (MDM), System Configuration Certifications:... ...technology into opportunity as a Systems Administrator with GDIT. A career in enterprise...Temporary workImmediate startRemote workWorldwideFlexible hours$123.25k - $166.75k
...Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top... ...career. Join GDIT as an Applications Delivery Network Systems Administrator and build an impactful career in enterprise IT,...Temporary workImmediate startRemote workWorldwideFlexible hours- OpenText Content Server Administrator - DOJ NSD - Active Top Secret Required Location US-DC- ID 2026-1505... ...training to end users, assist with system configuration and change management... ...ENVIRONMENT AND PHYSICAL DEMANDS: Candidate must be able to function in general...Full timeWork at officeImmediate startRemote workFlexible hours
$157.25k - $212.75k
...PKI Systems Engineer Advance how our customers operate while you advance your career.... ...for innovation to GDIT. The PKI Engineer must have: Bachelor's degree in Computer... ...Clearance level must currently possess: Top Secret Location: Onsite / occasional hybrid allowed...Temporary workImmediate startRemote workWorldwideFlexible hours- ...from threats. Job Description PKI Systems Administrator Advance how our customers operate... ...GDIT. The PKI Systems Administrator must have: ~ Bachelor’s degree in Computer... ...Level Must Currently Possess: Top Secret and SCI eligible ~ Location: Onsite...Flexible hours
- ManTech is seeking a motivated Senior Systems Administrator to join our team in Arlington, VA. This full-time onsite position involves providing... ..., and Cisco systems is essential. The role also requires a current Top Secret security clearance. #J-18808-Ljbffr ManTechFull time
$157.25k - $212.75k
Type of Requisition Regular Clearance Level Must Currently Possess Top Secret Clearance Level Must Be Able to Obtain Top Secret/SCI Public Trust/... ...Family IT Infrastructure and Operations Job Description PKI Systems Engineer Advance how our customers operate while you...Temporary workImmediate startRemote workWorldwideFlexible hours$100k - $150k
Systems Planning & Analysis (SPA) is hiring a Systems Engineer for the Washington Navy Yard to provide... ...ensuring accuracy and reliability. Candidates must hold a Bachelor's degree in Engineering, possess an active TOP SECRET clearance, and have relevant military...$20 - $27 per hour
...Description Insight Global is looking to hire a Top Secret cleared IT Specialist sitting onsite in... ..., maintaining, and supporting desktop systems, peripherals, business applications, and... ...Ability to lift up to 50 lbs. Must be able to walk, bend, squat, twist, reach...Contract workWork at officeRemote workRelocation- A top consulting firm in Washington, DC, is seeking a Network Administrator to manage complex networks and user accounts. The ideal candidate must have over 4 years of relevant experience, active Secret Clearance, and knowledge of Microsoft Active Directory. Responsibilities...
- ...happen? MetaPhase seeks a system administrator to support the ongoing... ...You (Required): ~ Active Secret Clearance: U.S. Citizenship required... ...Clearance & Education: Must have an active Secret clearance... ...to Work ~ Washington Post Top Workplaces - 2022, 2023, 2024...Local area
- MANTECH is seeking a motivated Naval Systems Engineer to join the team in Washington, D.C.... ...analysis and innovative solutions. Candidates must have a Bachelor’s degree in Engineering... ...experience, as well as an active Top-Secret clearance. Responsibilities include designing...
- ...providing end user support for enterprise software and troubleshooting software issues. Candidates must have a Bachelor's Degree in Information Technology and a Top Secret Clearance. Our competitive benefits include a matching 401K program, healthcare plans, and paid...
$130.69k - $222.17k
...seeking an experienced and driven Database Administrator to lead and oversee mission-critical... ...operational oversight. ~ Active Top Secret clearance. What We Would Like You... ...stakeholders. ~ Experience supporting systems within regulated or high-security...Full timeContract workWork experience placementLive inWork at officeImmediate startRemote work$160k - $200k
...AUTHORIZATION/SECURITY CLEARANCE U.S. Citizen Top Secret Clearance WAGE INFORMATION Target... ...here are representative of those that must be met by an employee to successfully... ...Responsibilities We are seeking a Systems & Staff Engineer to join our team supporting...Full timeContract workTemporary workWork at officeLocal areaMonday to FridayWeekend workDay shiftAfternoon shift$130.69k - $222.17k
...troubleshooting and resolving issues related to cloud services and system integrations. Collaborate within an Agile development... ...internal and external partners. What You Will Bring With You Active Top Secret Clearance. Proven experience (8+ years or adjusted as needed) supporting...Contract workWork at officeImmediate startRemote work- ElasticSearch Systems Engineer (Mid - SME Level) - Top Secret with FS Poly Software Engineering Careers Bethesda,Maryland ElasticSearch Systems Engineer... ..., search, and query performance, security, and administration parameters. Maintain infrastructure to preserve data...
$90k - $108k
Reston Consulting Group is seeking a Systems Administrator (Windows) in Washington, DC, requiring an active Top-Secret clearance. This full-time role is onsite five days weekly, supporting government contracts with a salary range of $90,000 to $108,000. The ideal candidate...Full time$25 - $30 per hour
...Job Description Insight Global is looking to hire a Top Secret cleared IT Specialist sitting onsite in Washington, DC. This role supports... ...include installing, maintaining, and supporting desktop systems, peripherals, business applications, and multiple operating systems...Contract workRemote workOverseas$72.67k - $95.22k
...Microsoft M365/Exchange Systems Administrator Everforth ECS is seeking a Microsoft M365/Exchange... ...M365/Exchange Systems Administrator must be able to collaborate with the customer... ...of benefits Must have a current top-secret clearance with the capability of...Work at officeShift workDay shift- ...Windows and Linux operating systems. Installing, configuring... ...technology field. Must be IAT or IAM level III certified... ...aspects of operating system administration; for example, system... ...CISA, CISM, CISSP. ctive Top-Secret clearance. Someone with...Relocation package
- ...make a personal impact as a Systems Engineer supporting a world... ...distribution panels. Provide administration, operations support,... ...activities. Possesses an active TOP SECRET/SCI clearance and possesses... ...classified information. Must possess excellent written and...Contract workRelocationFlexible hours
- ...Description Job Description Senior Windows Systems Administrator (TS/SCI Required) Location: On‐Site... ...Facility) Clearance: Active Top Secret Clearance with SCI (TS/SCI) —... ...and enterprise security. Candidates must already hold an active TS/SCI to be considered...Full time
- ...role involves analyzing identity lifecycles, designing IAM systems, and ensuring access requirements are met. Ideal candidates... ...years of cybersecurity experience, particularly in PKI, and must hold a Top Secret clearance. Support for obtaining Security+ certification is...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Systems Administrator - Top-Secret a must!. Be the first to apply!
- junior systems administrator Washington DC
- server administrator Washington DC
- office 365 and sharepoint system administrator Washington DC
- systems administrator Washington DC
- remote systems administrator Washington DC
- computer systems administrator Washington DC
- entry-level systems administrator Washington DC
- IT administrator Washington DC
- system admin Washington DC
- IT infrastructure administrator Washington DC

