Top IT Support & Helpdesk Jobs in San Diego, CA

Provide front-line IT service desk support for global employees: triage and resolve tickets, manage Okta and Google Workspace lifecycles, deploy and troubleshoot macOS and mobile devices via Jamf, support VPN/Cloudflare One remote access, use AI tools to automate workflows, assist onboarding/offboarding, and train employees on technologies.

Administer and support Oracle Engineered Systems (OPA, Exadata, ODA, ZFS), manage networking and Linux environments, troubleshoot complex infrastructure incidents, perform maintenance and upgrades, support project delivery and documentation, and improve platform resilience, automation, and monitoring while collaborating with cross-functional teams.

Provide remote phone and email technical support for cash recycling machines, diagnosing hardware and software issues, guiding users and field technicians, documenting tickets, following scripts and escalating complex problems.

Provide remote technical support for Cellebrite software to Americas customers via phone, email, and chat; troubleshoot issues, manage CRM cases, meet SLAs/KPIs, collaborate with internal teams, and maintain high CSAT.

Provide L2/L3 production support, monitoring, troubleshooting, and root-cause fixes for Oracle Siebel CRM. Support upgrades, repository merges, IRM, deployments across environments, integrations (EAI/Web Services/REST), performance tuning with DBAs, and periodic 24x7 on-call coverage. Document processes and assist release and migration activities.

Provide hands-on cloud and system administration, monitoring, and 24x7 operational support. Detect, triage, and escalate incidents, coordinate cross-team response, restore services, maintain observability, automate routine tasks, and contribute to post-incident reviews and continuous improvement within a VA mission environment.

Senior technical owner for enterprise support: reproduce and resolve complex issues end-to-end, define SLAs/severity/escalation, hand off clear tickets to engineering, build KB and onboarding, and synthesize product feedback.

Provide Tier 2 technical support and escalations for Tailscale customers: troubleshoot complex networking and SSO issues, manage ticket SLAs, mentor Tier 1, collaborate with Product/Eng, and contribute to documentation and recurring friction elimination.

Provide advanced remote customer support for DoD supercomputing centers: install, build, verify, and optimize applications and containers on HPC systems, assist users compiling and debugging code, identify usable software, develop SOPs/ConOps and workflows, and coordinate with administrators, Tier 3 specialists, and vendors to meet mission requirements.

Resolve escalated technical issues from frontline support for a SaaS product, provide direct customer solutions, and act as Voice of the Customer to Product and Engineering. Create documentation and troubleshooting resources, work with APIs/JSON/SQL/TCP-IP and issue trackers, and collaborate across teams to improve systems and reduce engineering load.