Top Systems Administrator Jobs

Manage, provision, and maintain Red Hat Enterprise Linux servers using Puppet automation. Perform monitoring, patching (Satellite/YUM), troubleshooting, IaC scripting, version control, and collaborate with teams to ensure 24/7 system reliability and documentation. Provide onsite support at Langley AFB and train teammates.

Lead and manage heterogeneous Windows and Red Hat Enterprise Linux server infrastructure and a team of system administrators. Oversee account management, maintenance, system optimization, change management, and integration with cybersecurity requirements. Coordinate technical documentation, training, and cross-program meetings. Ensure 24x7 operations, support occasional after-hours work, and travel domestically up to 10%. Obtain required DoDD 8140/8570 (CompTIA Security+ CE or equivalent) certification within six months.

Provide front-line technology support and manage network infrastructure in a K-12 environment, including troubleshooting hardware and software issues.

The IT Systems Administrator manages Centri's technology ecosystem, ensuring security and performance across Microsoft 365 and Azure environments, and integrates automation tools. Responsibilities include security management, enterprise application support, and optimizing system performance.

As an IT Systems Administrator Intern, you will provide Helpdesk support, manage user onboarding, assist in troubleshooting, and collaborate with full-time administrators on infrastructure projects.

This role supports ERP systems by providing technical assistance, coordinating IT projects, and managing communications across IT departments and remote offices.

Provide senior-level Linux system administration and lab operations for HPE HPC & AI performance engineering labs. Tasks include imaging/configuring servers, firmware and switch management, virtualization and high-performance storage (e.g., Lustre), GPU/CPU hardware diagnostics, job-scheduler administration, capacity planning, lab design, and mentoring junior staff while ensuring cybersecurity and operational stability for internal and customer-facing workloads.

The IT Systems & Data Engineer will design and maintain data pipelines, support infrastructure, manage integrations, and collaborate on IT projects.

Responsible for designing, implementing, optimizing, and maintaining databases supporting network management systems while ensuring high performance, availability, and security.

The IT Systems Administrator at AstroForge will build and maintain internal tech infrastructure, support users, manage network and security compliance, and handle hardware lifecycle management.

Seeking an SQL Developer/DBA to enhance applications using SQL Server 2012, support user testing, and document enhancements, requiring strong skills in .Net and communication.

Assist project teams with technical issues during project initiation and planning; ensure continued operation of Linux systems for wifi services.

The GIS Administrator will manage GIS systems, provide support for ESRI software, perform server administration, and troubleshoot outages. Responsibilities include application deployment, system upgrades, and documentation preparation.

The UNIX/Linux Systems Administrator is responsible for installing, configuring, and maintaining Linux systems, ensuring data integrity, and managing software solutions, among other responsibilities in a Systems Administration team.

As an IT Systems Administrator III, you'll manage system infrastructure, enforce security, troubleshoot technical issues, lead IT projects, and mentor junior staff, ensuring compliance and efficient operations.

Administer and maintain Linux systems in cloud and containerized environments, troubleshoot systems, and ensure compliance with security standards and policies.

The Systems Administrator III manages Windows and Linux servers, VMware, O365, and IT infrastructure, providing support and mentoring to staff. Responsibilities include designing applications and maintaining business continuity plans.

The IT Systems Administrator will manage internal IT operations, handle onboarding, oversee SaaS tools, and support compliance efforts.

Lead Linux Systems Administrator managing RHEL environments and providing technical support for cybersecurity initiatives. Responsible for Ansible automation, Splunk monitoring, and overseeing lab operations.

As a Systems Administrator, you'll design and maintain DISCO's network infrastructure, manage identity access via Okta, improve data handling processes, and support various IT initiatives including AI tool deployment and disaster recovery planning.

The IT Systems Administrator is responsible for supporting and maintaining IT infrastructure, resolving incidents, documenting systems, and ensuring compliance with cybersecurity standards.

Responsible for managing network infrastructure, identity access, and AI tool deployment. Ensures security compliance and supports disaster recovery initiatives. Works closely with cross-functional teams and provides technical problem resolution.

The POS & IT Systems Administrator configures, maintains, and troubleshoots POS systems and IT infrastructure across locations, ensuring system performance and secure connectivity.

The IT Systems Administrator will manage technology infrastructure, including cybersecurity, device management, SaaS platforms, user provisioning and internal technical support, while collaborating strategically with leadership.

The IT Systems Administrator manages and optimizes the Workday Financials platform, ensuring system stability and compliance while enhancing business processes.