Top Systems Administrator Jobs

Lead a team to manage patching, VMware lifecycle, Windows and RHEL systems, TrueNAS storage, WSUS, Exchange, Active Directory, and PKI in air-gapped environments. Ensure vulnerability scanning, DISA STIG/RMF compliance, documentation, and audit readiness while installing and maintaining COTS/GOTS software.

The Systems Administrator will ensure system operations, monitor health, troubleshoot issues, and lead security protocols for government projects.

Maintain and remediate Windows Server and workstation security in isolated environments: apply patches and STIGs, remediate vulnerabilities using Tenable/SCAP, support VDI/VMware, use SCCM/MECM occasionally, administer Group Policy, troubleshoot Windows stability and application services, and collaborate with security, customers, and teams while working on-site full time.

Provide system administration and support for mission-critical platforms on a shift schedule. Monitor and troubleshoot system performance, maintain documentation, implement configuration changes, interface with customers during operations, and apply security and infrastructure best practices. Work may include virtualization, VDI, and cloud or on-prem environments under tight deadlines.

Provide on-site and remote IT support for global offices: troubleshoot hardware/software, manage assets and server rooms, deploy OS/software (SCCM/Jamf), maintain knowledge bases, support events/AV/devkits, automate processes, and assist onboarding and executive white-glove support.

Install, configure, upgrade, and maintain internal computer hardware and software. Troubleshoot and resolve system issues, monitor performance and security compliance, document configurations and procedures, collaborate with engineering and business teams, support process improvements, and provide end-user support and training while staying current with industry technologies.

Support senior administrators in maintaining Linux and Windows systems in various environments. This role includes configuring storage, managing Active Directory, and script automation.

The Accounting & Finance Systems Administrator manages NetSuite configurations, supports integrations, and ensures performance of finance technology systems while collaborating with cross-functional teams.

Manage ServiceNow, troubleshoot and resolve incident tickets, maintain server infrastructure, support security compliance, serve as mid-tier escalation, collaborate on projects, create deployments and documentation, and participate in on-call rotation for a Cedar Rapids production facility.

Own and operate Relativity's Linux and Windows infrastructure supporting manufacturing and engineering. Deploy, configure, automate, and maintain production systems on-prem and in cloud (Azure/GCP). Support AD, DNS, DHCP, enterprise backups (Veeam/Commvault/Rubrik), ensure uptime and AS9100 compliance, troubleshoot network/system boundaries, mentor junior admins, and collaborate with senior engineers to operationalize designs and automate administration.

The role involves supporting senior administrators in managing Linux and Windows operating systems, configuring storage and networking, and automating processes using PowerShell. Requires maintaining security compliance and providing after-hours support.

The Red Switch Systems Administrator will maintain secure telecommunications systems, troubleshoot communication issues, manage work orders, and ensure compliance with standards for a government agency.

Administer and maintain Siemens Teamcenter and PLM environments, perform upgrades/patching, monitor performance, troubleshoot incidents, manage environment refreshes and deployments, support integrations with ERP/MES and CAD tools, provide user support/training/documentation, collaborate with infrastructure and vendors to improve PLM capabilities.

Support, secure, and optimize enterprise IT operations by administering Windows and Linux systems, managing AD/Azure AD identities, handling IT asset lifecycle and inventory, troubleshooting hardware/software, mentoring junior staff, participating in on-call rotation, and collaborating with infrastructure, network, and security teams for incident response and maintenance.

Designs, implements, and manages lab and classified IT infrastructure: Windows/Linux servers, VMware vSphere, NetApp storage, Exchange, WSUS, backups, PXE/WDS imaging, shell scripting, and RMF/audit documentation while collaborating with security stakeholders.

As a Systems Administrator, you will manage classified IT systems, ensuring security compliance, desktop support, and server management while maintaining documentation and collaborating with security staff.

Manage and optimize Oracle Cloud EPM, liaise between Finance and data teams, oversee data integration, and improve financial forecasting.

Manage, maintain, and optimize the Oracle Cloud EPM ecosystem, translating operational metrics into financial insights and collaborating with data teams.

Manage and optimize Oracle Cloud EPM while collaborating between Financial Planning and Data Engineering teams to integrate non-financial KPIs into forecasting models.

As an Oracle Administrator, you'll manage and optimize Oracle Cloud EPM, collaborate on data integration, troubleshoot workflows, and support financial forecasting and analytics.

The Oracle Administrator will manage Oracle EPM systems, collaborate with data teams on integration, and optimize financial forecasting processes while ensuring high data integrity across operational locations.

The Systems Administrator will support government missions by ensuring system operations, configurations, maintenance, and leading security protocols.

Administer, configure, maintain, and support MBSE and requirements management platforms (Cameo, IBM DOORS). Serve as technical owner for application health, security, performance, upgrades, integrations, user support, documentation, process improvements, and vendor coordination while working with engineering, IT, cybersecurity, and development teams.

The Principal Systems Administrator provides operational support for IT systems, focusing on maintenance, security, and troubleshooting of Windows and Linux environments. Responsibilities include system monitoring, root cause analysis, and technical guidance while collaborating with team members and stakeholders.

Manage and secure classified IT infrastructure in closed areas: Active Directory, GPOs, DNS/DHCP, desktops and VMware/Hyper-V servers, backups, patching (STIGs/WSUS), logging and incident response. Collaborate with ISSOs for RMF/NIST/JSIG compliance, maintain documentation, support audits and accreditation, and provide onsite after-hours support as needed.