UNKNOWN

FEED

Provide system administration of our cloud and on-premise environments Support all aspects of Microsoft 365 including Entra ID, Azure, and Microsoft Domain Services Support Windows configuration and security via Microsoft Intune Support iOS configuration and security via a Mobile Device Management (MDM) platform Support Linux configuration and security via domain management and RMM tools Have a working knowledge of tasks such as DNS, certificates, and encryption Implement system changes as they relate to governance frameworks such as CMMC Configuration, monitoring and maintenance of backup and replication routines, including documentation and testing Organization, configuration and implementation of regular disaster recovery drills, with regular review of the procedure and documentation Monitoring of systems and networking infrastructure using platforms such as PagerDuty Provide Tier 2 technical support for all offices and employees Creation and maintenance of IT-related documentation and training material Closely collaborate with the Information Security team to remediate vulnerabilities and harden the environment. 8 years or more managing information systems and networks Expert level of understanding managing Microsoft 365 cloud offerings Experience using Powershell, Python, and other languages to script common tasks Expert-level understanding of Conditional Access and other Microsoft Cloud-native security tools Ability to administrate/implement Azure cloud services.

YEAR

BETA Technologies

Senior Systems Administrator, Information Technology

ea_via_bold

ADAPTED_NOW

Manages, configures, tests, and maintains the reliable operation of physical/virtual servers, storage systems, and virtualization platforms (e.g., VMware/Hyper-V). Headquartered in Rexburg, Idaho, Beehive is a full-service credit union serving members and employees of The Church of Jesus Christ of Latter-day Saints nationwide.

HOUR

Beehive Federal Credit Union

Sr. Systems Administrator

The position requires broad technical knowledge of server operating systems, cloud infrastructure, virtualization, identity and access management, directory services, enterprise storage, backup and recovery, monitoring, automation, and related infrastructure technologies, with demonstrated expertise in one or more of these areas. Experience: Three (3) years of progressively responsible experience supporting cloud platforms, Microsoft 365, identity and access management, systems administration, automation, or related technologiesDemonstrated experience with several of the following: Microsoft Azure.

Eastern Kentucky University

Administrator, Systems

The position maintains reliable access for students, faculty, and staff; supports course and enrollment processes; monitors system health; assists with integrations and data validation; troubleshoots incidents; maintains technical documentation; and delivers user support and training. Experience with Microsoft SQL Server, Oracle, MySQL, PowerShell, HTML, CSS, JavaScript, REST APIs, secure file transfer, Windows or Linux server environments, and monitoring tools.

Kansas City Kansas Community College

LMS Administrator

Enterprise storage and SAN technologies, including Netapp, Dell PowerStore, PowerVault, and Unity; HPE Nimble; Pure Storage; IBM storage platforms; and Cisco MDS and Nexus SAN switching. Two or more years of infrastructure or managed services experience in multiple technologies, including any of the following: with demonstrated proficiency in at least two technology domains and working knowledge of adjacent domains.

Logicalis

System Administrator

Database Administration and Querying: Experience with Microsoft SQL Server, MySQL, or other relational databases; ability to manage backups, performance turning, write SQL queries for reporting and troubleshooting. The Citys guiding principles are as follows: Placing Clevelanders at the Center, Empowering Employees to Do Purposeful Work, Defining Clear and Pragmatic Objectives, Leading with Trust and Transparency, Striving for Equity in All We Do, and Embracing Change.

City of Cleveland

Airport Systems & Cloud Infrastructure Administrator

In this role, the Senior Red Hat System Administrator\Engineer will work as part of a dynamic team of network and application administrators and engineers and will be responsible for developing and maintaining RHEL deployments supporting cybersecurity applications. With 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.

Tetra Tech is a leading provider of consulting, engineering, and technical services worldwide. Our reputation rests on the technical expertise and dedication of our employees—16,000 people working together across disciplines and time zones to provide smart, sustainable solutions for challenging projects. We are proud to be home to leading technical experts in water, environment, infrastructure, resource management, energy, and international development. Tetra Tech combines the resources of a global, multibillion dollar company with local, client-focused delivery in 400 locations around the world. We offer competitive compensation and benefits and are searching for innovative people to join our teams.

Tetra Tech Inc

Senior Red Hat Linux Engineer

This hybrid role combines hands-on Linux-based IT support with local logistics operations, requiring a versatile professional who can seamlessly transition between supporting Linux systems and managing the receipt, storage, tagging, and movement of technology assets and materials. The selected candidate will provide local IT support for primarily Linux-based systems while also supporting logistics operations including inventory management, asset tagging, shipping/receiving, and materials handling.

Nightwing Intelligence Solutions

Linux Systems & Logistics Support Specialist (Junior)

FULL_TIME

Headquartered in Plano, Texas, our services and solutions are designed to align technology with business outcomes, maximize value through cost management, and allow rapid, proactive response to change. The candidate should demonstrate a commitment to maintaining secure, reliable, and high-performing systems and cloud environments, while mentoring less experienced team members and contributing to the team’s overall success.

GuideIT

System Administrator (hybrid - Charleston, SC)

partner JazzHR

DeNOVO Solutions is a Minority-Owned and Service-Disabled Veteran-Owned Small Business (MO/SDVOSB) providing innovative technical solutions and cleared professionals throughout the Intelligence Community. DeNOVO Solutions is seeking an experienced Linux System Administrator to support the administration, maintenance, and modernization of mission-critical infrastructure supporting our EOS Team.

DeNOVO Solutions

Linux System Administrator (TS/SCI with CI Poly Required)

The Systems Administrator will architect, design, facilitate, lead, and direct technology initiatives spanning infrastructure administration, cloud services, identity and access management, network operations, security hardening, and compliance. TECKpert is seeking a Senior Cloud Systems Administrator to support our client, a state transportation agency in Tallahassee, FL, on cloud services and platforms supporting critical infrastructure, applications, data, and business operations.

TECKpert

Senior Cloud Systems Administrator

Associate’s or bachelor’s degree in Information Technology, Computer Information Systems, Network and Systems Administration, Cybersecurity, Computer Science, or a related technical field; or an equivalent combination of education, relevant certifications, and practical experience. Assist IT and cybersecurity team members with recurring CMMC maintenance tasks, including updating documentation, organizing evidence, checking the status of required reviews, and tracking follow-up items under supervision.

geocgi

Systems Administrator (Hybrid)

Job Overview: The Systems Administrator will be responsible for maintaining and supporting the organization's enterprise infrastructure across Windows, Linux, virtualization, networking, cloud services, and backup environments. This role will serve as a key technical resource, ensuring the stability, security, and performance of critical systems while supporting ongoing infrastructure improvements and operational initiatives.

Founded by CPA firms in 1994, Creative Financial Staffing has spent over 30 years helping job seekers and employers succeed. In fall 2025, we rebranded as CFS—a name that reflects our full range of expertise while staying true to the trusted company you know.CFS is the industry’s leading employee-owned staffing firm, connecting top talent in accounting, finance, technology, and human resources. We provide skilled professionals on both a temporary and permanent basis across diverse industries, leveraging our extensive network to match the right people with the right opportunities.Our dedication to excellence extends to our award-winning culture, recognized repeatedly for growth, recruiting, workplace environment, and employee support. Honors include Forbes’ “America’s Best Recruiting and Temporary Staffing Firms,” Staffing Industry Analysts’ top U.S. staffing rankings, FlexJobs’ Top 100 Companies for Remote and Hybrid Work, Top Workplaces USA, Newsweek’s Best Practices awards, and more.

Systems Administrator

Leoforce - Creative Financial Staffing

The role involves maintaining and optimizing four unique HPC clusters, Globus data transfer nodes, GPU nodes, monitoring systems, IBM Storage Scale appliances, PBS Pro scheduler, and the support of data control and acquisition systems operating beamline experiments. Argonne employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A.

Argonne National Laboratory

Linux/HPC System Administrator

Minimum of three (3) years of experience configuring and managing IBM MQ.Minimum of three (3) years of experience configuring and managing Windows Internet Information Services (IIS).Must hold a minimum Bachelor's degree of Computer Science or other relevant field of studyDOD 8140 baseline certification - IAT Level IIMicrosoft Windows Server Hybrid Administrator Associate credential IBM MQ v9.4 Administrator - Professional or newer certificate Minimum Clearance Top SecretPhysical RequirementsRequired to stand, walk and sit; communicate verbally both in person and by telephone; use hands to finger, handle or feel objects or controls; reach with hands and arms. Provides local and remote support, leads system administrators in day-to-day operations, and provides senior-level troubleshooting, mentorship, documentation, patching, and incident response to maintain system availability and mission readiness.

System Administrator - Senior

Talent Acquisition

The IT Systems Administrator collaborates with infrastructure, database, and application teams to maintain stable and secure technology environments, troubleshoot issues, implement system enhancements, and ensure adherence to operational best practices across Windows, Linux, networking, storage, and enterprise platform technologies. Contribute to support of network and storage environments including SAN, clustering, load balancing, multi-site VPNs, network IDS, firewalls, and application delivery/virtualization products such as Citrix.

Netsmart Technologies Inc

IT System Administrator- (Dec.26/May 27 Grads)

Benefits: Peraton offers enhanced benefits to employees supporting this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap, and eligibility to participate in an attractive bonus plan. Shall have demonstrated ability to work within a pre-defined mission focused team structure, follow SOP's, communicate effectively, accept constructive feedback, and receive technical guidance and advice from senior level technical resources.

Peraton drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted and highly differentiated national security solutions and technologies that keep people safe and secure. Peraton serves as a valued partner to essential government agencies across the intelligence, space, cyber, defense, civilian, health, and state and local markets. Every day, our employees do the can’t be done, solving the most daunting challenges facing our customers.

Peraton

Cloud Administrator - AI/ML TS/SCI w Poly

[AW]-iCims

AMERICAN SYSTEMS, a 100% employee-owned federal contractor, is seeking a highly experienced Information Systems Security Engineer (ISSE) to support Red Hate Enterprise Linux systems in a High Performance Computing (HPC) environment in Arlington, VA. As an Information Systems Security Engineer (ISSE) at AMERICAN SYSTEMS, you will: Design and implement enterprise-level security architectures for RHEL systems in a High Performance Computing (HPC) SAP environment.

Founded in 1975, AMERICAN SYSTEMS is one of the largest employee-owned companies in the United States, with approximately 1,400 employees nationwide. Based in the Washington, DC, suburb of Chantilly, VA, the company provides systems engineering, technical and managed services to government and private sector customers. AMERICAN SYSTEMS was named “Contractor of the Year” at the Greater Washington Government Contractor Awards in October, 2007.

American Systems Corp

Information Systems Security Engineer (ISSE) Red Hat Enterprise Linux (RHEL)

Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Manage a highly available, scalable, and automated environments, ensuring developers have the secure access, CI/CD tools, and computing resources they need to build, test, and deploy code efficiently.

Linux Administrator Jobs in the United States

Senior Systems Administrator, Information Technology BETA Technologies

Sr. Systems Administrator Beehive Federal Credit Union

Administrator, Systems Eastern Kentucky University

LMS Administrator Kansas City Kansas Community College

System Administrator Logicalis

Airport Systems & Cloud Infrastructure Administrator City of Cleveland

Senior Red Hat Linux Engineer Tetra Tech Inc

Linux Systems & Logistics Support Specialist (Junior) Nightwing Intelligence Solutions

System Administrator (hybrid - Charleston, SC) GuideIT

Linux System Administrator (TS/SCI with CI Poly Required) DeNOVO Solutions

Senior Cloud Systems Administrator TECKpert

Systems Administrator (Hybrid) geocgi

Systems Administrator CFS

Linux/HPC System Administrator Argonne National Laboratory

System Administrator - Senior ESM

IT System Administrator- (Dec.26/May 27 Grads) Netsmart Technologies Inc

Cloud Administrator - AI/ML TS/SCI w Poly Peraton

Information Systems Security Engineer (ISSE) Red Hat Enterprise Linux (RHEL) American Systems Corp

Infrastructure/System Administrator Lead CACI International Inc

Senior Infrastructure/System Administrator CACI International Inc.

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