Top Systems Administrator Jobs

Provide Tier 2 systems administration and technical support for JADOCS: manage user accounts and access, monitor logs and system performance, troubleshoot infrastructure issues, maintain system documentation and deliverables, recommend hardware/software upgrades, and produce monthly C2 administration reports for government stakeholders.

Provide Tier 2 systems administration and support: manage user accounts and access, monitor logs and system performance, operate monitoring/analysis tools, troubleshoot platform and infrastructure issues, recommend hardware/software upgrades, maintain system documentation, and produce monthly status reports.

Serve as the primary Salesforce technical lead for Sales Cloud and Experience Cloud; design scalable architecture, manage configurations and automations (Flows), oversee integrations and data migrations (including AWS integrations), maintain data integrity and backups, build reports/dashboards, create documentation and data dictionaries, and drive system improvements while supporting internal and external users.

The Senior Information Systems Administrator will manage system security, support RMF in classified environments, and oversee server and network administration, ensuring cyber security for space-based information systems.

This role involves administering systems, troubleshooting network issues, monitoring systems, and ensuring compliance with company standards. It also includes user support and creating instructional guides.

Maintain and operate multi-user computer systems: create/administer accounts, install system software, tune performance, allocate storage, perform backup/recovery, document systems, coordinate with network engineers, and develop/monitor usage policies and standards.

Provide escalated remote network and server troubleshooting, implement projects, integrate security technologies, document and follow up with customers, and participate in weekend on-call rotation. Support Office 365/Azure/cloud environments and use Automate for managed services tasks.

Provide Level 2 TAC support resolving mid-level systems and network issues: Active Directory and Microsoft 365, GPOs, VPN, VMware, Exchange, SAN/storage, basic firewall administration, MFA, Azure subscriptions, backup/replication, spam filtering, wireless and on-site equipment installs while following SOPs and delivering strong customer service.

Provide Level 2 TAC support resolving mid-level issues across Active Directory, Microsoft 365, VPN, GPOs, VMware, SAN, firewalls, MFA, Azure, Exchange, wireless, backups, and storage; perform on-site technical installations and maintain documentation/ticketing workflows.

Administer and maintain z/OS mainframe systems: install and patch systems software via SMP/E, program mainframe routines, provide technical support and debugging, adjust OS settings for performance, and help define standards and best practices. Lead or coordinate team projects and occasionally work outside normal hours.

Lead administration and optimization of enterprise Okta environments: configure, maintain, and troubleshoot integrations (AD, firewalls, APIs, Zero Trust), drive automation, perform capacity and performance analysis, train staff, and direct other administrators to ensure secure, high‑availability identity services.

Administer and maintain seller enablement platforms, handle user provisioning and support tickets, contribute to the homegrown web application (HTML/JS/Next.js/React), build dashboards and data workflows (Google Sheets/Apps Script), create automations and AI-driven efficiencies, maintain documentation and runbooks, and partner with cross-functional stakeholders.

Provide GCCS systems administration: install/configure software and hardware, monitor and troubleshoot systems, manage communication and track data, route Blue Force Tracking, create COPs with tools like Palantir/GAIA/AIDE/ARES/TRAX, train users, and support 24/7 rotating shifts.

As a Systems Administrator, you will consult clients on IT needs, manage infrastructure projects, support various systems, and maintain client relationships.

Seeking a skilled Linux administrator for cloud infrastructure and system support. Responsibilities include managing cloud resources, troubleshooting networks, and supporting Linux systems.

The Financial Systems Analyst will manage financial systems, lead upgrades, automate workflows, and provide technical support to ensure data accuracy and system integrity.

Administer and maintain SharePoint Online and Microsoft 365 collaboration services. Manage security groups, sharing policies, and governance. Administer Microsoft Purview for classification, sensitivity labels, DLP, retention, and compliance alerts. Monitor data protection events and audit logs, coordinate remediation, conduct permissions and compliance audits, provide Tier 2/3 support, develop governance documentation and training, and support platform upgrades, migrations, and performance monitoring.

Lead systems engineering activities for Navy Training Command, overseeing simulations, requirements analysis, technical documentation, and multi-site operations.

The Systems Administrator supports IT systems by managing configurations, troubleshooting, and providing Help Desk services while ensuring system performance.

The Systems Administrator will support operations and technology challenges, manage incidents, document practices, and oversee Microsoft and cloud infrastructure.

Support and administer mission-critical systems in a secure, onsite environment. Manage cloud infrastructure (AWS), Kubernetes, CI/CD pipelines, Linux systems, and automation. Collaborate with cross-functional teams, maintain security controls, and meet clearance and onsite requirements.

Provide monitoring, maintenance, installation, upgrades, and end-user support for Windows Domain servers and related infrastructure. Manage AD, GPOs, backups, Office 365/Exchange tenant, MDM, mail flow, certificates, phone systems, scripting/automation, and hardware/software recovery. Complete projects for Windows and Linux systems, use helpdesk ticketing, and perform quarterly access/compliance reviews.

The Systems Administrator will manage and secure Windows systems, ensure compliance with security standards, perform log analysis, and maintain Active Directory.

Support, configure, and maintain business systems; gather and document requirements; design workflows and process documentation; manage system changes, testing, deployments, and user support; administer user access/security and collaborate across stakeholders to improve operational effectiveness.

The role requires advanced skills in systems administration and technical support for mainframe operations, including expertise in storage management and monitoring systems.