Top IT Support & Helpdesk Jobs in San Diego, CA

Lead administration and optimization of enterprise Windows, Linux, and macOS systems; design and support cloud, identity, endpoint, and collaboration platforms; automate operations; troubleshoot complex infrastructure issues; manage upgrades, asset lifecycle, incident response, and mentor junior admins. Participate in on-call rotation and cross-team projects.

Participate in a multi-year IT rotation program across software development, QA, system administration, cybersecurity, analytics, infrastructure, and client support. Gain technical foundation, product knowledge, and enterprise perspective through hands-on assignments and cross-functional exposure. Relocate to San Diego and prepare for placement in a long-term IT role.

Lead and manage classified IT infrastructure operations: administer Windows and RHEL servers, VMware virtualization, storage, networking, and cybersecurity posture (DISA STIGs, Nessus). Maintain classified development/integration environments, perform after-hours maintenance, and achieve required certifications (e.g., McAfee ePO).

Triage incoming support cases, lead short discovery calls, gather logs/screenshots/configuration, write clear handoffs for senior engineers, resolve straightforward product questions and repeatable implementation tasks, maintain ticket hygiene and SLAs, and improve runbooks and intake processes.

Administer NetSuite, UKG, Adaptive Insights, Numeric, Zip, and Tray.io, including configurations, workflows, integrations, permissions, access reviews, maintenance, documentation, and automation. Partner with Finance, Accounting, and People teams to translate business needs into system improvements, resolve issues quickly, support cross-functional technical initiatives, and eliminate repetitive manual work using AI and automation tools.

Provides Tier 1 IT support for global associates, troubleshooting Windows and macOS endpoints, networks, identity and access, Microsoft 365, and software issues. Manages onboarding, offboarding, endpoint provisioning, and device administration using Intune, Autopilot, and Jamf. Documents resolutions, supports major incidents, escalates complex issues, and improves support processes. Requires up to 10% domestic and international travel and occasional after-hours support.

Supports day-to-day NetSuite administration, configuration, user access, data maintenance, integrations, documentation, testing, and front-line issue resolution. The role assists with scripts, workflows, forms, custom records, system migrations, audit tasks, and segregation-of-duties reviews while coordinating with internal stakeholders and a managed service provider.

Provides Tier 2 IT support and serves as the escalation point for complex hardware, software, network, access, and identity issues. Administers Google Workspace or Microsoft 365, endpoint management, device deployments, patching, and security. Performs root-cause analysis, supports business applications, mentors Tier 1 staff, maintains documentation and runbooks, coordinates vendor resolutions, analyzes ticket trends, and contributes to IT projects and process improvements.

Provide advanced L2 technical support for Runpod customers: troubleshoot escalated issues, analyze logs and code, use scripting and diagnostics, liaise with engineering and infra teams, create documentation and training, and deliver multi-channel support including weekend availability.

Provide advanced technical support for GitLab deployments in secure U.S. government environments. Investigate logs, system performance, application behavior, and code paths using Linux and GitLab internals; reproduce defects, recommend mitigations, and collaborate with Product, Engineering, and Infrastructure teams. Create documentation, improve support tools and workflows, participate in on-call rotations, and support hiring activities. The role is fully remote but requires U.S. citizenship and work eligibility for federal environments.