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Reston, Virginia

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Today

Job#: 2091542 Job Description: Sr Systems Administrator Location: Reston, Virginia (On-site) Role Overview We are seeking a Senior Systems Administrator to support a long-term contract. The successful candidate will be responsible for planning, designing, and implementing infrastructure changes and system upgrades. This role involves providing expert-level support and mentoring for other System Administrator personnel while ensuring the stability and integrity of enterprise-level virtual inf

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Full-time

Sr Systems Administrator

Reston, Virginia

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2d ago

Be Challenged and Make a Difference In a world of technology, people make the difference. We believe if we invest in great people, then great things will happen. At AnaVation, we provide unmatched value to our customers and employees through innovative solutions and an engaging culture. Description of Task to be Performed: AnaVation is seeking a Sr Systems Administrator to join our team and support our mission critical customer in Reston, VA. As a Sr Systems Administrator you will: Plan, desig

Full-time

Senior Cloud Systems Administrator

Upper Marlboro, Maryland

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Today

Job ID: 2611897 Location: Upper Marlboro, MD, US Date Posted: 2026-04-27 Category: Information Technology Subcategory: Cloud Comp Engr Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is seeking a highly motivated Senior Cloud Systems Administrator to join our expanding, multi-disciplined team of professionals at our Identity and Data Sciences Labora

Full-time

USD 80,001.00 - 120,000.00 per year

Sr Systems Administrator

Remote or Hybrid in Reston, Virginia

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9d ago

The Ventura Groupis seeking a highly experiencedSr. System Administratorto serve as key personnel supporting a high-visibility Federal Government program. JOB DESCRIPTION Work Location: Hybrid (Remote & customer site in Reston, VA) Position is contingent on contract award Clearance Level:Must have an Active Secret Clearence About the Job: The Sr. System Administrator will be responsible for: Manage and maintain server infrastructure (physical, virtual, cloud (Azure), networks, and other IT infra

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Full-time

Depends on Experience

Senior Systems Administrator

Remote

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Today

Description & Requirements Maximus is a trusted federal partner supporting mission-critical programs across national security, defense, and public service delivery. Our work focuses on sustaining, operating, and improving essential government systems and services, with proven operational excellence, and a commitment to mission success for our customers. Joining Maximus means becoming part of a collaborative, mission-driven organization where teamwork, accountability, and professional growth are

Full-time

USD 100,000.00 per year

Senior Systems Administrator

Remote

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Today

Full-time

USD 100,000.00 per year

Senior IT Systems Administrator

Remote or Olympia, Washington

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2d ago

Salary: $99,348.00 - $133,608.00 Annually Location : Thurston County - Olympia, WA Job Type: Full Time - Permanent Remote Employment: Flexible/Hybrid Job Number: 2026-0090 Department: Board of Industrial Insurance Appeals Opening Date: 06/05/2026 Closing Date: 6/21/2026 11:59 PM Pacific Description The Board of Industrial Insurance Appeals (BIIA) is offering a challenging and rewarding opportunity for the right individual to make a difference through serving the state of Washington. Our employee

Full-time

USD 99,348.00 - 133,608.00 per year

Senior Systems Administrator

Remote or Savannah, Georgia

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Today

Description The Senior Systems Administrator will manage and support the organization's on-prem infrastructure, including servers, storage, virtualization, and backup systems. This individual will serve as a Senior escalation point for complex issues, contribute to operational stability, and lead or support infrastructure projects. Key Responsibilities -Administer and maintain Windows Server environments (2012-2022). -Manage VMware virtualization across ~800 virtual servers and ~1,000 virtual de

Full-time

Compensation information provided in the description

Senior Systems Administrator

Rockville, Maryland

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2d ago

Overview Please note that this position is contingent upon the successful award of a contract currently under bid. Accelerating the delivery of care and providing superior force health readiness across the Military, Federal, and Civilian landscapes. Taku is committed to providing transformative and comprehensive health operational capabilities to support customers across scientific, clinical, technological, and program management areas. Summary: We are looking for a Senior Systems Administrat

Full-time

USD 114,000.00 - 121,000.00 per year

Senior Systems Administrator - Linux

Fort Belvoir, Virginia

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2d ago

Leidos is seeking a Linux Administrator to support the DTRA I3TS Infrastructure Services team to maintain and optimize the Linux production environment. The candidate will be responsible for sustaining Linux servers as well as the conceptualization, design, development and implementation of new Linux capabilities. The candidate is expected work well as a part of the DTRA Systems Administration team using ITIL best practices as well as work independently on assigned tasks. Candidate is expected t

Full-time

USD 92,300.00 - 166,850.00 per year

Senior Systems Administrator (RRN - 003)

Fort Meade, Maryland

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2d ago

Description Serving Maryland and the Greater Washington D.C. area, SageCor Solutions (SageCor) is a growing company bringing complete engineering services and true full lifecycle System Engineering services to areas requiring (or desiring) nationally-recognized expertise in high performance computing, large data analytics and cutting edge information technologies. Active TS/SCI w/ Polygraph required. Required Skills: Windows SApatching Windows components and 3rd party applicationsVulnerabilit

Full-time

Sr. Appian Systems Administrator

Alexandria, Virginia

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2d ago

Join us in transforming how technology serves those who serve. At Leidos, we're not just delivering solutions - we're pioneering the future of defense and intelligence technology. Our diverse teams of innovators unite around a singular purpose: empowering our customers to succeed in their critical missions. We believe in leading with integrity, investing in our communities, and building sustainably for tomorrow. Shape the future of digital defense. Our Digital Modernization sector is at the fore

Full-time

USD 92,300.00 - 166,850.00 per year

Senior Systems Administrator, Workday

Remote

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2d ago

Join the company that's building the telemetry infrastructure for the AI era. At Cribl, we partner with IT and Security teams at many of the world's biggest enterprises, including half of the Fortune 100, to bridge the gap between AI ambition and infrastructure reality. As the AI Platform for Telemetry, we give customers the choice, control, and flexibility to manage and analyze telemetry for both humans and agents, so they can build what's next. We're one of the fastest-growing private compani

Full-time

USD 99,000.00 - 155,000.00 per year

Senior Systems Administrator

Remote or Niles, Illinois

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2d ago

Overview We're seeking a Senior Systems Administrator to support and enhance our global IT infrastructure across both on-premises and cloud environments. This role will lead key functions including Windows and Linux administration, SAN management, and SAP systems (including S/4HANA). In this role you will monitor and optimize system performance, maintain disaster recovery readiness, ensure compliance, and contribute to complex, cross-functional global initiatives. If you bring deep technical e

Full-time

USD 99,000.00 - 158,400.00 per year

Sr. Systems Administrator - Power Platform

Remote or Kansas

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2d ago

Provide senior-level administration, governance execution, and technical enablement across Microsoft 365, with a primary focus on Power Platform, Copilot, and secure application integrations. This role ensures that low-code solutions, AI capabilities, and third-party integrations are implemented in a secure, supportable, and scalable manner while enabling business innovation and process improvement. Operate within established architectural standards and governance guardrails and serves as a tec

Full-time

Sr. Systems Administrator - Exchange

Remote or Kansas

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2d ago

Provide senior-level administration and technical ownership of Exchange Online and messaging services, ensuring reliable mail flow, strong security posture, and alignment with compliance requirements. This role is responsible for preparing and maintaining the messaging environment to securely support Microsoft Copilot and AI-driven communication capabilities. Preferred location with hybrid work schedule: Kansas City, KS Job Duties and Responsibilities Administer and maintain Exchange Online ma

Full-time

Sr. Systems Administrator - Collaboration

Remote or Kansas

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2d ago

Provide senior-level administration, governance execution, and technical ownership across Microsoft 365 collaboration services, including Microsoft Teams, SharePoint Online, OneDrive, and Viva. This role ensures collaboration platforms are scalable, governed, and optimized for Microsoft Copilot and AI-driven experiences, while reducing operational risk and improving user productivity. Serve as the primary technical lead for collaboration workloads and ensure alignment with enterprise governance,

Full-time

Sr. Systems Administrator - Compliance

Remote or Kansas

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2d ago

Provide senior-level administration and governance of Microsoft 365 services across Microsoft Entra and Microsoft Purview, ensuring effective access enablement, service configuration, and data governance across Microsoft 365 environments. This role plays a critical function in supporting secure and compliant use of Microsoft 365, including Copilot and AI-enabled services, by managing service-level access, collaboration, and data protection capabilities. Preferred location with hybrid work sched

Full-time

Systems Administrator, Senior (Linux/Windows)

Arlington, Virginia

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2d ago

Overview AMERICAN SYSTEMS, a 100% employee-owned federal contracting company, is seeking a Senior Systems Administrator with Linux and Windows administration experience to support a Special Access Program, operating in highly secure, complex environments where precision and reliability are essential. This role focuses on owning and optimizing enterprise Linux & Windows infrastructure across multiple datacenters, partnering with cybersecurity and engineering teams, and providing Tier support fo

Full-time

USD 140,000.00 per year

M365 Systems Administrator Sr Principal

Herndon, Virginia

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2d ago

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Collaboration, Microsoft Administration, Microsoft Teams, System Administration, Telecommunication Systems Certifications: None Experience: 8 + years of related experience ship Required: No Job Description: SYSTEMS ADMINISTRATOR SR PRINCIPAL Advance how our custome

Full-time

USD 124,093.00 - 144,900.00 per year

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