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Principal Systems Administrator

ManTech

Arlington, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Principal Systems Administrator to join our team in Pentagon, VA. The position is onsite. Responsibilities include but are not limited to: Provide specialized support and troubleshooting for VIP users, including hardware, software, network, and application issuesManage and maintain computer systems, servers, and other IT infrastructure, ensuring optimal performance and securityManage VIP user accounts, permissions, and security access withi

Senior Systems Administrator

Decisionpoint Corporation

Elizabeth City, North Carolina, USA

Full-time

Overview DecisionPoint Corporation is seeking a Senior Systems Administrator to join our team on an upcoming contract to support the Unites States Coast Guard USCG) Aviation Logistics Center (ALC) Information Systems Division (ISD) in Elizabeth City, North Carolina. The USCG ALC ISD provides development, security, and operations (DevSecOps) IT support for products and services for the Coast Guard Information Officer (CIO), Commandant, and Coast Guard Cyber Command through a geo-dispersed workfor

Linux Systems Administrator

Leidos

Pearl City, Hawaii, USA

Full-time

Leidos is seeking a candidate to fill a Linux System Administrator position supporting DISA's GSM-O II contract at Ford Island, Hawaii. The candidate will maintain the smooth operation of multi-user computer systems running Redhat Linux but also includes Windows Server on a global network management system. Working with server farms as well as working with systems in a cloud environment. Provides support on a M-F business hours schedule, also responsible for on-call, extended hour, and weekend s

VDI Systems Administrator SME

GovCIO

San Antonio, Texas, USA

Full-time

Overview GovCIO is currently hiring for a VDI Systems Administrator SME for our US Courts proposal. This position will be located in San Antonio, TX. The ideal candidate is responsible for server operations inclusive of hardware, operating system (OS), and utilities on the server. Responsibilities Responsibilities Responsible for server operations inclusive of hardware, operating system (OS), and utilities on the server. Has expertise in one or more operating systems and is responsible for s

Systems Administrator (Business Objects, Linux/Unix, Apache TomCat)

SAIC

Ashburn, Virginia, USA

Full-time

Job ID: 2507273 Location: ASHBURN, VA, US Date Posted: 2025-07-03 Category: Information Technology Subcategory: Database Admin Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description Position Summary / Responsibilities: We are currently seeking a motivated, career and customer-oriented Linux/Unix Applications Administrator (MUST have Apache Tomcat e

Yardi Systems Administrator

Vaco by Highspring

Remote

Full-time

Vaco is actively seeking a Yardi Systems Administrator to support our clients continued growth. This is a unique opportunity to join a highly respected organization that is a leader in their field. Position Overview The Yardi Systems Administrator is responsible for the administration, configuration, and optimization of Yardi platforms such as Yardi Core, Voyager, YardiOne, Procure to Pay, Elevate, and Investment Management, while also assisting with other applications as needed. The ideal can

Systems Administrator

Robert Half

Livonia, Michigan, USA

Full-time

Description We are looking for a dedicated Systems Administrator to join our team in Livonia, Michigan. This Contract-to-permanent position offers an excellent opportunity to provide technical support and manage IT systems in a collaborative and fast-paced environment. The role requires a hands-on approach to resolving issues, maintaining systems, and delivering exceptional service to end users. Responsibilities: Provide timely and effective technical support to end users across various client

Junior Systems Administrator, Intelligence Systems

Aduril Industries

Reston, Virginia, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Systems Administrator - TS/SCI

General Dynamics Information Technology

Fort Belvoir, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: System Administration, Technical Support, Troubleshooting Certifications: Security+, CE - CompTIA-Security+ CE Experience: 1 + years of related experience ship Required: Yes Job Description: Manages the functionality and efficiency

Systems Administrator - TS/SCI with Polygraph

General Dynamics Information Technology

McLean, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Access Control (AC), Active Directory (AD), System Administration, User Account Management Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity a

Senior Systems Administrator

Ledgent Technology

Houston, Texas, USA

Full-time

Location: 77040 Onsite Job Overview The Senior Systems Administrator will ensure the smooth and secure operation of computer systems-covering both hardware and software across physical and virtual environments. This is a technical leadership role that also includes collaboration, compliance, and on-call responsibilities. Key Responsibilities System Management: Install, configure, maintain, and troubleshoot physical/virtual servers, storage arrays, and endpoints. Security & Compliance: Handle

Systems Administrator

Leidos

Springfield, Virginia, USA

Full-time

The Multi-Domain Solutions (MDS) division at Leidos is seeking a detail-oriented and experienced Systems Administrator to manage the installation, configuration, administration, and maintenance of enterprise systems and associated hardware. The ideal candidate will play a key role in supporting IT infrastructure, ensuring system reliability, performance, and security across physical and virtual environments. Primary Responsibilities: Install, configure, and maintain systems, including servers a

Senior Systems Engineer/Administrator

Brilliant Infotech Inc.

Fort Worth, Texas, USA

Full-time

Role: Senior Systems Engineer/Administrator Location: Fort Worth, TX (On Site) Type of Employment: Contract-to-Hire Contract Duration: 06 Months Required Experience: 10+ Years Job Description: We re hiring a Senior Systems Administrator to lead infrastructure and automation efforts in a fast-growing, cloud-forward environment. You'll manage Google Workspace, Azure AD (Entra ID), enterprise SaaS, and network systems for over 1,000 users. Key Responsibilities: Administer Google Workspace (email, D

Systems Administrator - TS/SCI with Polygraph

General Dynamics Information Technology

McLean, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Access Control (AC), Active Directory (AD), System Administration, User Account Management Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as

Journeyman Network and Computer Systems Administrator

Decisionpoint Corporation

Elizabeth City, North Carolina, USA

Full-time

Overview DecisionPoint Corporation is seeking a Journeyman Network and Computer Systems Administrator to join our team on an upcoming contract to support the Unites States Coast Guard USCG) Aviation Logistics Center (ALC) Information Systems Division (ISD) in Elizabeth City, North Carolina. The USCG ALC ISD provides development, security, and operations (DevSecOps) IT support for products and services for the Coast Guard Information Officer (CIO), Commandant, and Coast Guard Cyber Command throug

AS400 Administrator / Systems engineer

Cloudberyl LLC

Grand Rapids, Michigan, USA

Full-time

The IBM iSeries (AS400) Systems Engineer is a senior-level position responsible for the design, implementation, maintenance, and support of the company's IBM iSeries (AS400) environment. This individual will be a technical expert with deep knowledge of IBM i operating systems, hardware, software, and related technologies. This role also requires strong automation and scripting skills to streamline operations and enhance efficiency. Essential Duties and Responsibilities: System Administration:

Linux Systems Administrator - Mid

Leidos

Clarksburg, West Virginia, USA

Full-time

As the largest provider of IT services, Leidos develops and sustains large data and technology infrastructures and integrates complex law enforcement IT system for a number of US federal agencies. At Leidos we offer engaging careers, a collaborative culture, and support for your career goals and growth. This role would be serving a federal law enforcement agency in Clarksburg, WV. Primary Responsibilities: Responsible for the upkeep, configuration, and reliable operation of computer systems. Sy

Systems Administrator

Credence Management Solutions

McLean, Virginia, USA

Full-time

Overview Credence is one of the largest privately held technologies services company in the country, repeatedly recognized as a top place to work, and have been on the Inc. 5000 Fastest Growing Private Companies list for the last 12 years. We practice servant leadership and believe that by focusing on the success of our clients, team members, and partners, we all achieve greater success. At Credence, we support our clients' mission-critical needs, powered by technology. We provide cutting-edge s

Multi-Cloud Systems Administrator

Catapult Solutions Group

US

Contract

Multi-Cloud Systems Administrator Department: Information Technology / Infrastructure Location:Decatur, IN Work Model: On-site Role Type: Full-time Hours Duration: 6-month contract (potential extension/conversion) Clearance requirement: PUBLIC TRUST About Our Client Our client is a global technology, engineering, and science company that supports critical missions across defense, intelligence, civil, and health markets. They provide advanced solutions by combining deep domain knowledge with c

Systems Administrator - Tier 3 Support

GovCIO

Fairfax, Virginia, USA

Full-time

Overview GovCIO is currently hiring for a System Administrator - Tier 3 Support with an active Secret clearance in support of our DEA Bluestone program. Responsibilities Build and deploy servers. Troubleshoot issues with the servers, network, or cybersecurity risks Configure, deploy, and maintain Windows Server Update Services (WSUS) Analyze and remediate findings from Splunk; leverage Digital Guardian for data loss prevention Deploy patches, critical updates and service packs using IBM Big