Senior Microsoft Systems Administrator
Internetwork Expert Inc
Internetwork Expert in Alexandria, Virginia is seeking a Microsoft Administrator II to manage and maintain the agency’s Microsoft-based IT infrastructure. You will oversee deployment, configuration, and support of Microsoft technologies such as Windows Server, Active Directory, Exchange, and Office 365. The role includes ensuring system security and performance while collaborating on IT projects. A Bachelor's degree in a relevant field and 7 years of M365 administration experience are required. The company offers competitive benefits including healthcare and paid time off. #J-18808-Ljbffr
$130k - $175k
...resources in service to our country. About You You are a Senior‑Level Systems Administrator with experience designing, implementing, securing, and... ...and regulated environments. You possess expertise across Microsoft 365, Active Directory, Azure/Entra ID, Windows Server, virtualization...SeniorMicrosoftFor contractors- ...Senior Discovery IT System Administrator Employment Type: Full-Time, Executive-Level CGS is seeking a dedicated Senior Discovery IT System Administrator... ...; Have the ability to install, operate, and manage Microsoft server 2019/2022 and Microsoft SQL Server 2019/2022;...SeniorMicrosoftFull timeFor contractorsFlexible hours
$143k - $161k
Position Senior Systems Administrator Requisition/Position Number SSA Summary We are looking for a skilled Systems Administrator to support day... ...availability, and security Familiarity with SharePoint, Microsoft collaboration tools, and secure network environments...SeniorMicrosoftFull timeContract work- Join to apply for the Senior Systems Administrator role at Tecolote Research Overview We are seeking a skilled and motivated Systems Administrator... ...such as AWS Certified Solutions Architect, Microsoft Certified: Azure Administrator, VMware Certified Professional...SeniorMicrosoftFull timeTemporary workWork at office
$65k - $85k
We are seeking a skilled and self-driven Systems Administrator with strong expertise in cloud services, Microsoft enterprise technologies, virtualization, and modern security platforms. The ideal candidate will have hands‑on experience with AWS, Microsoft 365/Intune, VMware...SeniorMicrosoftFull timeTemporary workFlexible hours- Senior Systems Administrator (Lead) Job ID: 2026-9115 Overview Empower AI is AI for government. Empower AI gives federal agency leaders the tools... ...infrastructure (≈150 users); administer and maintain Microsoft Active Directory and GPOs. Lead data backup and restoration...SeniorMicrosoftContract workFor contractorsWork at office
- ...Title: Senior Systems Administrator Location: Fort Lesley J. McNair, 300 5th Avenue, Washington, DC 20319 (Hybrid) Duration: Long term... ...Engineer to support enterprise IT infrastructure across Microsoft Azure, VMware, and hybrid environments. The ideal candidate...SeniorMicrosoft
$101.34k - $150k
Amentum is seeking a Senior Systems Administrator in McLean, VA. In this role, you will manage and maintain Microsoft Exchange systems while ensuring compliance with security protocols. Ideal candidates will have a Bachelor’s degree and at least six years of relevant experience...SeniorMicrosoft$70k - $130k
Alpha Omega Integration is looking for a qualified Systems Administrator in Lorton, Virginia. The role involves Microsoft SQL and Windows systems administration, with a focus on managing SQL environments and supporting automation through PowerShell. The ideal candidate...SeniorMicrosoft- A defense technology company is seeking a Senior Microsoft System Administrator to provide operational intelligence and server management support at Ft. Belvoir, VA. The ideal candidate will have extensive experience in server administration, especially with Windows Server...SeniorMicrosoft
- RadNet, Inc. is seeking a Senior Systems Administrator to join their team in Washington, DC, supporting mission-focused federal IT programs. The... ...on national security. Candidates with backgrounds in Microsoft, Linux, and VMware are preferred. #J-18808-Ljbffr RadNetSeniorMicrosoft
- Acme Corporation Career Center is seeking an IT Administrator to join the CYREN IT Team in Washington, D.C. The role... ...should have a minimum of 7 years of experience in system administration, strong knowledge of Microsoft environments, and excellent communication skills...SeniorMicrosoft
- North Point Technology is seeking a Microsoft System Administrator for Senior and Junior levels at Fort Belvoir, VA. This position requires an active TS/SCI clearance with a CI Polygraph. Responsibilities include maintenance of Windows-based servers, application updates...SeniorMicrosoft
- An IT solutions company is seeking a skilled Tier II and III Support Technician to provide expert support for Microsoft-based systems in Washington, DC. The ideal candidate will have over 5 years of experience in a technical support role, a Bachelor’s degree in a related...SeniorMicrosoft
$120k - $200k
...Senior IT Systems Administrator Scout Space is building a new way to see and operate in space: with a new paradigm of data empowering every satellite... ...in managing AWS cloud services ~ Experience supporting Microsoft Azure/GCC High environment ~ Exceptional...SeniorMicrosoftPermanent employmentRemote workWork from homeRelocationFlexible hours- ...Senior Systems Administrator Securiport LLC is a U.S. company based in Reston, VA, specializing in the design and implementation of passenger... ..., and optimization of Windows Server environments, Microsoft Exchange, Microsoft 365, Active Directory, enterprise storage...SeniorMicrosoftContract workLocal areaMonday to Friday
$90k - $105k
...and other client sites across the US We are seeking a Senior Systems Administrator in Lanham, MD. We are seeking a highly... ...machines, and cloud services Administer and optimize Microsoft 365 GCC High (Entra ID, Exchange Online, SharePoint, Teams...SeniorMicrosoftWork at officeLocal areaImmediate startFlexible hours2 days per week- Hexagon US Federal in Lanham, MD is looking for a Senior Systems Administrator to lead IT operations. You will maintain hybrid infrastructure, support Microsoft 365 GCC High, and ensure reliability and security across the office. The role requires 8+ years of systems administration...SeniorMicrosoftWork at officeFlexible hours
- ...growing technology organization in Arlington, Virginia is seeking a Senior Systems Administrator to manage and scale its internal IT and network infrastructure. This hands-on role involves administering Microsoft 365, maintaining hardware, and ensuring efficient operations...SeniorMicrosoft
- E-logic is seeking a Senior Systems Administrator to provide critical web infrastructure and application server support for active federal web... ...directory structures. Monitoring & Tooling: Experience with Microsoft SCOM, SharePoint administration, and automation scripting...SeniorMicrosoft
- ...requirements and organizational needs. Responsibilities Perform administration and maintenance of Windows-based servers, including daily system checks; record 100% of findings and statuses Ensure all Microsoft Windows Server and installed features/applications have the...SeniorMicrosoftContract work
- ...States Job Description Everforth ECS Federal is seeking a Senior Systems Administrator to support a mission‑focused federal IT program in... ...troubleshooting, and secure operations. Desired Skills Security+, Microsoft, Linux, VMware, ServiceNow, cloud, endpoint management,...SeniorMicrosoftContract workLocal area
- ...We currently have an immediate opening for a Sr. Systems Administrator to support our contract in Lanham, MD. Our government... ...support in Infrastructure Management for a Senior System Administrator, with strong Microsoft Hyper‑V administration skills in both a physical...SeniorMicrosoftContract workWork at officeImmediate startRemote workMonday to Friday
- Microsoft System Administrator- Senior / Junior(Top Secret with agreement to obtain CI Poly) This job requires active TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph. Position / LCAT: Microsoft System...SeniorMicrosoftWork at office
- Evans & Chambers Technology is seeking a highly motivated Microsoft System Administrator - Senior to join our team! Evans & Chambers partners with the US national defense community to create fully integrated, resilient, and innovative digital solutions that enable them...SeniorMicrosoftImmediate start
- ...insights, enabling faster and more effective mission outcomes. Position Overview Praescient Analytics is looking for a Senior Microsoft System Administrator to support the Data Capabilities Division (DCD) - Intelligence and Automation Operations (IAO). The role involves...SeniorMicrosoftFull timeFor contractors
- Senior Discovery IT System Administrator Employment Type: Full-Time, Executive-Level Department: Legal CGS is seeking a dedicated Senior Discovery IT... ...configuration. Ability to install, operate, and manage Microsoft Server 2019/2022 and Microsoft SQL Server 2019/2022....SeniorMicrosoftFull timeFlexible hours
$120k - $135k
Job Description Everforth ECS is seeking a cleared Senior Systems Administrator (Top Secret Cleared) for our Washington, DC office. The role involves... ...collaboration skills. Desired Skills Security+, Microsoft, Linux, VMware, ITIL, cloud, or related certification. Experience...SeniorMicrosoftWork at officeLocal area- ...exceptional people, and a commitment to customer success. As a Senior Endpoint Systems Administrator, you will play a key role in delivering secure,... ...peripherals, mobile devices, and enterprise software. Administer Microsoft Entra ID (Azure AD), Active Directory, multi factor...SeniorMicrosoftFull timeContract work
- ...Currently we have an immediate need to add an experienced: Senior System Administrator Location: McLean, VA (on-site client environment)... ...private networks (VPNs). Demonstrated experience utilizing Microsoft cloud-based tools including Office 365, Azure, Entra, Intune...SeniorMicrosoftWork at officeImmediate startShift work
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