Top Systems Administrator Jobs

Plans, implements, administers, and optimizes county-wide servers, networks, applications, identity systems, storage, and Microsoft 365. Troubleshoots complex infrastructure and application issues, supports disaster recovery, monitors performance, maintains documentation, advises on information security compliance, leads technology projects, performs database administration, supports remote connectivity, and mentors junior IT staff. Participates in 24x7 on-call coverage.

Administer and improve Docebo and related learning technologies supporting sales enablement, customer training, partner education, onboarding, and certification. Responsibilities include platform configuration, governance, permissions, integrations, SSO, SAML, SCIM provisioning, troubleshooting, vendor coordination, reporting, analytics, and AI-enabled learning technology evaluation. The role translates business requirements into scalable solutions, supports global stakeholders, and ensures platform stability, security, performance, data integrity, and user satisfaction.

Administers enterprise Windows and Red Hat Linux systems across centralized and distributed environments. Manages VMware VxRail, ESXi, vCenter, vSAN, NAS/SAN storage, networking, backups, system upgrades, logs, and SQL-backed applications. Implements hardening, access control, patching, vulnerability management, and compliance procedures. Provides technical guidance, coordinates upgrades, supports mission-specific systems, and recommends infrastructure improvements. Requires U.S. citizenship and the ability to obtain and maintain a government security clearance.

Own the design, configuration, administration, security, testing, and optimization of Vanta’s Workday environment across Core HCM, Payroll, Benefits, Absence, and Time Tracking. Partner with People, Payroll, Finance, IT, and Legal to translate business needs into scalable solutions, lead system initiatives, manage releases and change adoption, improve processes, and maintain audit and compliance standards.

Maintain and optimize servers, networks, endpoints, communication systems, and security software. Provide desk-side and remote support, manage ServiceDesk tickets, onboard and offboard employees, configure devices, and administer Office 365 or Google Workspace. Maintain hardware logistics and asset records, support network upgrades and laboratory infrastructure projects, enforce IT governance and ISO 27001-aligned policies, manage incidents, and improve service processes while collaborating with international IT teams and vendors.

Provide advanced desktop, server, and network support as first escalation for technicians. Maintain server and network infrastructure, deliver onsite support, document configurations, recommend improvements, and assist end-users troubleshooting technical issues.

Owns the reliability, security, performance, and administration of enterprise infrastructure across Microsoft 365, cloud, on-premises, endpoint, identity, and collaboration platforms. Responsibilities include Windows/Linux/macOS administration, Azure and AWS operations, monitoring, patching, backups, disaster recovery, incident response, compliance, documentation, service management, automation, and infrastructure modernization. Serves as a senior escalation point, supports engineering tools and CI/CD infrastructure, mentors junior staff, and participates in on-call and maintenance activities.

Owns the reliability, security, performance, and administration of hybrid IT infrastructure spanning Microsoft 365, GCC High, Windows, Linux, macOS, Azure, AWS, endpoints, identity, and collaboration platforms. Responsibilities include patching, monitoring, backups, disaster recovery, vulnerability remediation, incident response, service management, documentation, automation, infrastructure modernization, application-tool support, and technical escalation. The role mentors junior staff, supports compliance-focused environments, and participates in on-call and after-hours maintenance.

Own and administer the company’s business technology ecosystem, including CRM, HRIS, Microsoft 365, accounting, communications, and customer-facing platforms. Manage configurations, permissions, licensing, integrations, workflows, security, vendors, employee provisioning, and technical support. Lead automation and AI adoption initiatives, improve business processes, maintain data integrity, and develop dashboards, reports, KPIs, and operational insights for leadership.

Installs, configures, administers, supports, and maintains physical and virtual systems and associated infrastructure. Manages Windows servers, Active Directory, storage, backups, recovery, patches, performance tuning, security controls, and system lifecycle integration. Troubleshoots complex infrastructure issues, implements DISA STIG and ACAS/Nessus security measures, automates tasks with PowerShell, and develops solutions supporting organizational and client objectives.

Maintain and improve stable, secure systems; monitor servers and resources; resolve incidents; perform security audits, patching, upgrades, tuning, and optimization. Configure employee workstations, provide basic technical support, provision accounts, and manage Google Apps groups. Research automation opportunities and support scalable infrastructure, including occasional evening and weekend response.

Provides frontline IT support for hardware, software, devices, printers, business applications, user accounts, and routine technical issues. Responsibilities include troubleshooting, service request documentation, device provisioning, onboarding and offboarding support, asset inventory, system maintenance, endpoint support, password resets, and maintaining technical documentation. The role escalates complex issues, follows IT security procedures, supports technology deployments, and identifies opportunities to improve service delivery.

Perform Linux and Windows systems administration on large government contracts, including VMware and NAS/NetApp storage management, backup/recovery, security auditing, patching, configuration management, and support for cyber security teams. Maintain user/accounts, permissions, and documentation; support after-hours work and periodic travel; comply with classified environment policies and reporting requirements.

Maintain and troubleshoot the Air Force DCGS Asset Management System and supporting virtualized Windows and Linux environments. Perform Eracent upgrades, audits, monitoring, patch management, antivirus updates, data archival and restoration, outage resolution, systems analysis, configuration documentation, and technical guidance for Tier 1 and 2 personnel. Collaborate with database, VMware, Active Directory, and network teams while supporting enterprise systems engineering operations.

Manage and maintain Windows servers, Windows 11 desktops, network infrastructure, and virtualized development environments. Support ~200 users and 150 devices, monitor network and website performance, administer network security, troubleshoot Tier 1 issues, and ensure compliance with information assurance requirements.

The Systems Administrator provides Tier 1-3 support, manages Linux/UNIX systems, ensures data integrity, and oversees system upgrades and backups.

The Systems Administrator will support Military Support Programs by managing Linux and Windows systems, focusing on AWS integration and hardware infrastructure.

Seeking a Senior Systems Administrator with expertise in RHEL, AWS, and server maintenance. Must support complex OS troubleshooting and handle backup systems. Requires active TS/SCI clearance.

The Systems Administrator will manage Linux and Windows servers, perform installations and configurations, and provide support for large-scale software development and operations.

Provide systems administration for identity, OS, application, and database patching and maintenance; manage Active Directory and MS Entra ID integrations; write and troubleshoot SQL queries and services; maintain data integrity and manage data flows; deploy and support cloud-based technologies and identity governance tools.

Manage membership accounts and payments, process applications/changes/cancellations, and support retention via phone and in-person service. Maintain records, perform data entry, handle collections/recovery, use Traction Rec and SPIRIT systems, and support membership-related reporting and administrative tasks while following YMCA policies and privacy guidelines.

Provide onsite systems administration and help-desk support for NSWC-PD, troubleshooting user systems (including laptops), maintaining information systems per DoD requirements. Must hold active Secret clearance and IAT II certification, have an associate degree in a related field, and at least three years' relevant experience.

Support AD FS and FIM services, maintain infrastructure, troubleshoot issues, develop reports, and ensure optimal performance of IAM resources. Engage in data recovery exercises, maintain documentation, and provide engineering support for security incidents.

This role involves providing consulting services related to Epic systems, including project management, troubleshooting, workflow analysis, and mentoring project teams for Nordic clients.

Lead administration and sustainment of the Advana data platform for USMC cybersecurity reporting. Build secure ETL/ELT pipelines in Databricks, develop advanced Qlik Sense dashboards, integrate eMASS via APIs, implement data governance, produce technical documentation, and provide knowledge transfer and stakeholder support.