Top IT Systems Administrator Jobs

The Principal IT Systems Administrator oversees IT systems, leading complex initiatives, managing infrastructures and endpoints, enhancing security compliance, and ensuring incident management and documentation standards are met.

As a Senior IT Systems Administrator, you will manage classified IT systems, configure secure networks, maintain virtualization platforms, and ensure compliance with security standards while supporting a team in a closed environment.

The Senior IT Systems Administrator will manage secure IT systems, including configuration, monitoring, and compliance with security standards, while providing operational support in classified environments.

The IT Systems Administrator manages day-to-day operations of Linux infrastructure, ensuring reliability and security while supporting engineering teams in robotics development.

Manage classified IT systems, focusing on configuration, maintenance, and security compliance. Responsible for user management, vulnerability assessment, and collaboration with security personnel.

The IT Systems Administrator II manages IT systems in classified environments, focusing on user account administration, desktop and virtual server support, security compliance, and system documentation.

The IT Systems Administrator maintains, configures, and secures enterprise systems, providing Tier II support and ensuring compliance with standards.

Implement, configure, and support client IT solutions for SMBs including desktops, servers, Microsoft 365, virtualization, networking, and backup/DR. Execute projects, administer Windows Server and AD services, manage M365 components, troubleshoot infrastructure, produce documentation, and provide post-implementation support while collaborating with engineers and clients.

Provide hybrid on-site IT system administration: manage Google Workspace, SSO/Okta, endpoint security (CrowdStrike, Jamf/Intune), Checkpoint firewalls; handle onboarding/offboarding, workstation provisioning and troubleshooting (Windows/macOS/mobile), support IAM and security administration, assist in incident response, business continuity and disaster recovery, and maintain user and technical documentation.

Coordinate IT systems and support for a hybrid workforce: manage macOS and Windows device deployments, Microsoft 365 and identity systems, monitor endpoint health, maintain office network infrastructure, own onboarding/offboarding and device inventory, automate workflows via scripting/APIs, maintain SOC 2/ISO 27001 evidence, and coordinate with Security, HR, and IT.

The IT Systems Administrator oversees network health, administers endpoint management, updates systems, manages backups, and ensures security compliance.

The IT Systems Administrator will manage on-site IT systems, troubleshoot issues, optimize network performance, and collaborate with HQ IT and international teams to ensure smooth operations.

Provide on-site IT systems and desktop support in manufacturing and office environments. Administer Windows servers, virtualization, storage, Office 365/Azure, AD/Exchange, networking, and deploy infrastructure across multiple locations. Troubleshoot hardware/software interfacing with factory equipment, script administrative tasks, document procedures, mentor staff, be on-call, and travel between Texas sites as needed.

Provide on-site IT systems and desktop support in manufacturing environments, administer Windows servers, virtualization, storage, networking, Office365/Azure, Linux and open-source stacks, deploy IT infrastructure across sites, document and train staff, be on-call and travel between Texas locations.

Administer and secure enterprise IT infrastructure (Windows and RHEL), provide Tier I-III support, manage networking, virtualization, VDI, automation, patching, user accounts, backups, and compliance with RMF/NIST/CMMC. Collaborate with security teams, perform lifecycle hardware management, and support onboarding/offboarding and disaster recovery.

Provide Tier I-III enterprise IT and systems administration including installation, maintenance, security, and support for RHEL environments, network infrastructure, VDI/virtualization, automation tools, and user account management. Ensure compliance with RMF/NIST/CMMC, perform backups/disaster recovery, asset lifecycle management, and collaborate with security personnel.

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 first-line support and administration for the center's computer and network systems, monitor data communications and security, install and repair hardware/software, coordinate with corporate IT, maintain CIS/Citrix/CDSSuite availability, and enforce policies, property control, and student accountability.

The IT Systems Administrator is responsible for maintaining network health, managing software updates, overseeing system security, and ensuring proper network and device management.

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.

The IT Systems Administrator - Linux will manage and maintain Linux servers, ensuring system security and performance while supporting infrastructure services and collaborating with various teams.

The Systems Administrator ensures the integrity and security of the bank's technical infrastructure, managing hardware/software assets and optimizing system performance in a hybrid cloud environment.

Provide Tier 1 and Tier 2 support for enterprise infrastructure and applications, administer AD, MDM, email, patching, monitoring, and workstations; support deployments, vendor management, projects, on-call rotations, occasional travel, and moderate physical tasks including lifting and cabling.