Top Systems Administrator Jobs

Administers and develops Oracle EPM Cloud and Hyperion financial planning systems. Responsibilities include managing security and user access, maintaining nightly and close processes, troubleshooting integrations, developing enhancements with Groovy and EPM Automate, coordinating patching and regression testing, writing technical specifications and test plans, supporting data governance, analyzing issues, and creating stakeholder training materials. The role collaborates with IT and business teams to deliver reliable, scalable financial systems.

Administers, configures, secures, monitors, and supports the bank’s electronic banking systems and related IT environments. Manages user access, identity and access controls, security reporting, system troubleshooting, vendor relationships, and confidential information. Provides backup support to IT leadership, assists with daily technology operations, interprets security reports, and supports employees and customers with eBanking needs. Some local travel is required, including driving within a 70-mile radius.

Administer and integrate Linux, UNIX, and Windows systems, networks, storage, and virtual environments. Configure infrastructure, troubleshoot complex hardware and software issues, provide Tier 1 and Tier 2 support, optimize capacity and performance, and contribute to systems and mission-architecture design within SOA environments. Communicate technical issues and resolutions to management and internal customers while maintaining reliable mission infrastructure.

Manage and maintain Red Hat Enterprise Linux environments, troubleshoot hardware and operating system integrations, install software, apply patches, remediate SCAP and STIG vulnerabilities, maintain antivirus and Splunk reporting, manage accounts and access controls, and oversee backups, restoration testing, and data retention. Collaborate with cybersecurity teams and support engineering, software, simulation, and hardware development activities.

Administers the agency’s hybrid Microsoft IT environment, including Active Directory, Entra ID, Intune, Windows devices, Group Policy, endpoint security, patching, and compliance controls. Provides Tier 2/3 support, troubleshoots infrastructure and security incidents, maintains documentation, trains staff, and supports modernization initiatives. Participates in after-hours on-call response for cybersecurity alerts, outages, and critical technical issues.

Serve as a Linux Systems Administrator SME supporting a mission-critical environment. Install, configure, secure, patch, and document Linux systems and virtualized/cloud environments. Diagnose networking issues, collaborate with developers and ISSO, automate tasks with scripts/tools, and lead system integration and maintenance activities.

Maintain and secure on-prem VMware and growing AWS infrastructure. Administer Windows and Linux servers, Active Directory, networking, backups, monitoring (Nagios/Splunk), firewall/switch changes, endpoint security, incident response, and support PCI DSS/SOC 2 compliance while aiding cloud migrations and keeping documentation current.

Administer and maintain CGI Momentum Financials across development, test, and production environments. Implement and support a migration to RHEL/OpenShift, maintain Kubernetes clusters, apply information assurance controls, automate administrative tasks, and provide technical support for development and deployment activities while collaborating with cross-functional teams to ensure successful project execution.

The Systems Administrator/SR is responsible for configuring and supporting TFS and SharePoint, documenting processes, and resolving software issues with vendors.

The Systems Administrator will manage and monitor servers, handle technical issues, support various IT teams, and ensure compliance with security standards.

The Network Systems Admin will support application teams with infrastructure tasks, including change deployments, incident resolution, and event monitoring.

The Network Systems Admin will support app teams in change and code deployments, incident resolution, and event monitoring requiring communication skills and system administration expertise.

Responsible for provisioning, installation, configuration, operation, and maintenance of systems hardware and software and related infrastructure. Participates in technical research and development, assists project teams, and performs daily system monitoring and troubleshooting.

Provide installation, configuration, and support of software and tools, maintain networks, diagnose issues, and work with vendors on software integration.

The Systems Administrator will support and maintain IT systems, optimize operations, troubleshoot issues, and manage enterprise-grade OS and hardware. The role involves collaboration and enhancing system performance in mission-critical environments.

Provide Tier 2 systems administration and help-desk support for messaging and communication applications in a 24/7 environment. Administer message storage/retrieval, implement RBAC and security controls, manage sensitive access bins, respond to incidents, maintain SOPs and operational records, perform diagnostics, hardware repairs, and support deployment and user troubleshooting.

The Systems Administrator will support, manage, and troubleshoot enterprise systems, ensuring reliability and security across multiple environments while providing Tier 1 and Tier 2 support.

The Systems Administrator for Operational Technology oversees and improves OT systems, ensures application availability, troubleshoots issues, supports critical operational systems, and leads software upgrades while collaborating with various stakeholders.

Support high-availability environments, manage Linux servers, AWS services, and backup solutions. Handle application deployment and system security.

The Windows Systems Administrator will manage Windows and Linux servers, provide system support, and troubleshoot VoIP and mobile issues, requiring 5+ years of experience.

Provide enterprise endpoint provisioning, deployment, patching, compliance, and sustainment support. Administer endpoint management platforms (MECM/Intune), perform OS imaging and application packaging, enforce secure configurations and encryption, manage patch and vulnerability remediation, monitor endpoint health, and provide Tier 2/3 troubleshooting and documentation while collaborating with engineering and cybersecurity teams.

The VMWare Systems Administrator will manage VMWare environments, troubleshoot systems, and maintain critical services, focusing on backups and storage solutions.

Administer, secure, and sustain enterprise Exchange and M365 messaging across multi-network environments. Ensure high availability, mail flow, authentication/PKI, backup/recovery, patching, compliance, and migration/upgrade support. Troubleshoot complex routing, DNS, mobile access, and hybrid integration issues while maintaining documentation, SOPs, and remediation of vulnerabilities to support mission-critical communications.

Administer and maintain a large-scale NGDE thin client and virtual desktop environment, ensuring availability, performance, and security. Monitor infrastructure health, manage consoles/licensing/routing, support backend components, apply patches and firmware, troubleshoot complex authentication and routing issues, and maintain SOPs and documentation while collaborating with network, cybersecurity, and virtualization teams.

Administer and maintain enterprise user profile management systems across physical, VDI, and cloud endpoints. Monitor performance, troubleshoot profile corruption/sync/authentication issues, perform migrations, apply patches and hardening, collaborate with endpoint, storage, and cybersecurity teams, and maintain documentation and SOPs to ensure secure, compliant, and reliable user profile delivery.