Top Systems Administrator Jobs

Provide Tier I/II systems administration and help-desk support for government databases, software, and systems. Troubleshoot software issues, perform first-contact resolution for tickets, manage web servers (Tomcat, IIS) and Oracle/database tasks, and support users onsite at Fort Meade during core hours.

Consult with clients to assess IT needs, design and maintain technology solutions, manage relationships, and resolve technical issues while building expertise through training.

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.

Administers and secures on-premises, virtualized, and Azure cloud infrastructure across a large county network. Responsibilities include incident response, outage troubleshooting, lifecycle management of compute and storage systems, security compliance, documentation, asset inventory, project implementation, and cross-functional IT support. The role also requires on-call participation, technical diagramming, ServiceNow ticket management, and maintaining Windows, Active Directory, Microsoft 365, identity, virtualization, and hyperconverged infrastructure environments.

Administer, configure, test, and support the Emburse (Chrome River) expense and invoice system. Define business requirements, develop and deploy enhancements and reports, manage routing/workflow rules, troubleshoot data and outages, train users, and maintain system documentation while liaising between Finance managers and external consultants.

Install, configure, test and deliver Open iT products in client environments. Collaborate with presales, perform deployments and troubleshooting across Windows/UNIX/Linux, use virtualization, logging/monitoring systems, automate installs, write scripts and technical documentation.

Manage and maintain on-prem Linux and Windows infrastructure and hybrid Microsoft 365/Azure services. Support identity, endpoint security, monitoring, and engineering simulation applications. Automate provisioning, contribute to ITSM processes, provide helpdesk escalation, and maintain documentation and SOPs to ensure secure, reliable, scalable systems.

Lead Epicor Kinetic administration and business-systems analysis to stabilize, support, and improve ERP operations across multi-site manufacturing. Troubleshoot integrations, configure BAQs/BPMs, manage security and change control, improve data quality and reporting, support upgrades and M&A integrations, and drive process standardization, controls, and user adoption to deliver measurable operational and financial outcomes.

Provide end-to-end systems administration for on-prem and cloud environments: install/configure Windows/Linux servers, firewalls, networks, virtualization, storage, backups, and Java web applications; support customers via tickets and coordinate maintenance and upgrades.

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.

Administer and configure enterprise applications (primarily Workday Student/HCM), manage security and business processes, troubleshoot integrations and escalated issues, support updates and tenants, collaborate with functional teams and developers, mentor staff, and leverage AI tools to improve productivity and automation.

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.

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

Administer and maintain Windows and Linux servers, virtualization, storage, backups, and Microsoft 365. Provide application support, troubleshoot integrations, coordinate incidents, participate in deployments, and support security, compliance, automation, and on-call operations.

Maintain and support multi-user Red Hat Linux systems and associated global network management infrastructure. Administer VMware environments, storage (SAN/NAS), enclave switches, scripting, DISA STIG hardening, AWS cloud resources, and SLAs. Provide documentation, on-call and emergency support, and mentor junior staff while tracking performance metrics.

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

Provide implementation, troubleshooting, maintenance, and daily operation of IT systems. Deliver Tier 1 Help Desk and Tier 2 escalation support, manage configuration and operation of client/server, storage, network, and mobile devices, and assist users with access and usage issues. Support monitoring and problem resolution across IT infrastructure.

Manage and maintain software systems for engineering, manufacturing, and production; lead migrations/upgrades; develop reporting code and dashboards; train and support users; document processes; collaborate with stakeholders to improve system performance and user experience.

Administer and maintain a mission LAN: perform OS patching, backups/restores, virus scanning, firewall protection, and DTO services; ensure ISSM/ATO security compliance and coordinate corporate or customer support.

Provide day-to-day administration and support for Windows workstations, servers, Microsoft 365, Azure AD/Active Directory, and Intune-managed endpoints. Perform deployments, patching, vulnerability remediation, user administration, troubleshooting, backups, documentation, and assist senior staff with upgrades, migrations, and cybersecurity/compliance activities (CMMC, NIST SP 800-171). Occasional travel to customer sites (1-2 trips/year).

Provide day-to-day administration, monitoring, and support of ALLO's GCP environment. Manage IAM and security policies, track and report cloud usage and billing, assist deploying and maintaining cloud resources and AI tools, maintain governance documentation, collaborate with ITSM and development teams, and participate in a rotating on-call schedule for 24/7 support.

Serve as senior technical authority securing wireless communications and managing cross-domain information sharing. Deploy, maintain, and monitor CSfC VPN and cross-domain solutions, apply security patches/IAVAs, develop POA&Ms, and ensure compliance with DoD/DISA cybersecurity requirements across Shaw AFB and Kuwait.

Design, implement, and maintain enterprise Identity and Access Management systems. Administer user lifecycle, RBAC, SSO/MFA, PAM, directory services, automate IAM workflows, integrate applications (SAML/OAuth/OIDC/SCIM/LDAP), monitor authentication security, support audits, and coordinate with cybersecurity and application teams.

Provide Microsoft 365 and core infrastructure administration for a regulated fintech environment: deploy SSO and automated provisioning, manage OneDrive/SharePoint migrations, UEM/MDM, IAM/RBAC, scripting automation, patching and vulnerability assessment, incident escalation for SEV1/SEV2, and maintain compliance-aligned documentation and KPIs.