Top IT Systems Administrator Jobs

The IT Systems Administrator will manage internal IT operations, handle onboarding, oversee SaaS tools, and support compliance efforts.

Provides Tier 2 IT operations and end-user support in DHS environments. Responsibilities include installing, configuring, troubleshooting, and maintaining Windows workstations, laptops, peripherals, software, and related services; managing incidents and service requests through an ITSM tool; providing on-site and walk-up support; maintaining documentation; and supporting after-hours operational needs.

Owner of company internal IT: provide employee IT support, manage devices/accounts and MDM, administer Google Workspace/M365 and identity, maintain office networks and AV, enforce security controls, build onboarding/offboarding and IT processes, document systems, and develop the IT roadmap and budget while supporting engineering and manufacturing environments.

Maintains and supports enterprise IT systems, endpoints, mobile devices, operating system images, software deployment, patching, backups, virtualization, and cloud environments. Manages Intune, printers, security compliance, documentation, KPIs, escalated troubleshooting, and executive white-glove support. Provides on-call assistance, supports remote users, collaborates with cybersecurity, recommends technology improvements, and assists with IT projects. The role requires on-site support in Kirkland or Everett and flexible scheduling.

Maintains and upgrades enterprise IT systems, endpoints, mobile devices, operating system images, virtual desktops, printers, and software. Provides escalated hardware and software troubleshooting, executive white-glove support, documentation, KPI reporting, security and compliance assistance, and backup management. The role supports Windows and Mac environments, manages Intune and Autopilot, collaborates with cybersecurity teams, and participates in a rotating 24/7 on-call schedule with onsite support in Everett or Kirkland.

Provide on-site IT support and technical ownership for a facility: desktop support, infrastructure maintenance (servers, network, Wi‑Fi, security cameras), assist with projects (ERP, migrations, hardware refreshes), enforce security/compliance, maintain asset inventory, and provide occasional after-hours/on‑call support.

Hands-on senior IT systems and security administrator responsible for on-site IT support, managing on-prem and government cloud (GCC High, Azure Government, AWS GovCloud) infrastructure, identity and access, endpoint and network security, incident response, vulnerability management, backups/disaster recovery, compliance (CMMC, NIST, FedRAMP, ITAR), and coordinating with vendors and global teams.

Manage and secure a hybrid Microsoft environment: administer on-prem AD and GPOs; operate Azure AD/Entra ID, Microsoft 365, Intune/Endpoint Manager; automate with PowerShell; implement identity controls (MFA, conditional access, PIM), DLP, and Defender/Sentinel monitoring; collaborate with networking/security teams and provide after-hours support as needed.

Lead design, deployment, and maintenance of enterprise IT systems and data center operations. Provide expert technical support, security incident response, patching, backup/recovery, inventory and access management, and documentation. Collaborate cross-functionally, mentor junior staff, and improve onboarding/offboarding and operational processes to ensure infrastructure reliability and security.

Maintain and improve Windows, Exchange, and SQL servers in virtualized/clustered environments. Administer Active Directory, VMware (ESX/vSphere/Horizon), enterprise storage, backups, and disaster recovery. Monitor performance, troubleshoot issues, support applications, ensure cybersecurity best practices, document systems, and collaborate with IT leadership and clinical teams across multiple locations. Participate in upgrades, DR exercises, and occasional after-hours work.

Install, configure, monitor, and maintain servers, networks, backups, and security. Troubleshoot hardware/software failures, manage user accounts, apply patches, perform daily system monitoring and backups, document procedures, and participate in on-call rotation while providing customer-facing support.

Lead Atlassian administration and integrations by designing, building, and maintaining REST/GraphQL/webhook integrations between SaaS, CRM/ERP, billing, and internal systems. Manage Jira/Confluence in clustered Linux, implement monitoring and security best practices, mentor teammates, troubleshoot stakeholder issues, and execute upgrades and data migrations to improve automation and reliability.

Serve as Atlassian SME and technical lead building and maintaining integrations (REST, GraphQL, webhooks) between SaaS, CRM/ERP/billing, and internal systems. Design secure, reliable APIs, implement monitoring, automate workflows, support and upgrade clustered Atlassian applications on Linux, create documentation, and collaborate with stakeholders while mentoring teammates.

Serve as an Atlassian SME and senior systems administrator to design, build, and support API/GraphQL/webhook integrations between SaaS and internal systems, automate processes, implement monitoring, manage clustered Linux Atlassian upgrades, resolve collaborative app issues, document solutions, and partner with stakeholders to improve operational efficiency.

Serve as escalation point for advanced IT issues across endpoint, identity, cloud, OS, and network environments. Administer Intune and Jamf, manage Okta and Google Workspace, support AWS/GCP/Azure, troubleshoot Windows/macOS/Linux, and collaborate with cross-functional teams to maintain secure, reliable infrastructure. Document procedures, support projects and migrations, and participate in on-call rotation.

Manage and secure hybrid on‑prem and cloud infrastructure (Azure and AWS). Administer identity, compute, storage, virtualization, monitoring, backups/DR, and security. Support cloud migrations, AI/ML infrastructure, Tier 2/3 troubleshooting, Microsoft 365, documentation, and process improvement.

Support and maintain mission-critical launch IT infrastructure: deploy and upgrade networking, servers, and desktops; monitor services and respond to incidents; automate and document systems; ensure compliance with ITAR, ISO, NIST; collaborate with cross-functional teams and participate in on-call and after-hours work.

Provide technical leadership and enterprise architecture for Microsoft 365, Entra ID, and Intune. Define governance, ITSM/ITIL practices, develop advanced automations (PowerShell/Bash), lead complex projects, mentor admins, and serve as escalation for security, reliability, and cross-team incidents.

Provide Tier 2-3 remote and on-site IT support for SMB clients: design, implement, troubleshoot networks, servers, virtualization, security, and user environments; document work and manage tickets.

Provide Tier 2-3 remote and on-site IT systems engineering and escalation support for SMB clients. Design, implement and troubleshoot Windows servers, virtualization, networking, Exchange/SQL/Citrix, and backup/DR. Document tickets, manage projects independently, handle on-call duties, and interact with end users to deliver best-practice IT solutions.

Senior Systems Administrator responsible for designing, administering, securing, and supporting enterprise infrastructure across Windows and Linux, virtualization, cloud, identity, storage, backup/DR, and endpoint platforms. Leads projects, mentors juniors, automates operations, partners with security and networking, and participates in on-call rotations to ensure reliable, secure infrastructure.

Provide North American technical support for networks, servers, and endpoints. Install, configure, and maintain hardware, cabling, firewalls, switches, VPNs, and enterprise applications (Epicor, Microsoft 365, Salesforce). Troubleshoot system, software, and network issues, train users, and collaborate with the MIS Manager to implement solutions and ensure security and performance.

Provide day-to-day end-user IT support and endpoint management across macOS, Windows, and Linux. Administer MDM and IAM/IDP systems, enforce security and HIPAA/PII compliance, manage SaaS apps and hardware inventory, perform L1/L2 network troubleshooting, and automate IT tasks via scripting. Maintain documentation and support a diverse user base in a fast-paced production environment.

Administer and secure Windows server environments, virtualization, storage, and network infrastructure. Ensure CMMC/NIST compliance, protect CUI, manage backups, monitoring, incident response, IAM, and provide tier 1-3 end-user support in an aerospace manufacturing environment.

Provide day-to-day systems administration and IT operations support for Windows and Linux servers, networking, virtualization, and cloud services. Monitor systems, respond to alerts, perform provisioning, patching, backups, and disaster recovery. Manage Active Directory and Microsoft 365, troubleshoot network and hybrid cloud connectivity, document configurations, and contribute to automation and Agile project work.