Top IT Support & Helpdesk Jobs in San Diego, CA

Administer, maintain, and secure enterprise IT systems for Navy LVC environments. Perform system administration, installations, updates, basic troubleshooting, monitoring, documentation, and ensure compliance with DoD cybersecurity requirements (RMF/STIGs).

Provide on-site Tier 2 desktop support in San Diego: install, configure, and troubleshoot desktops, laptops, phones, email, and video conferencing; deploy software updates, create/maintain PC images and documentation; coordinate with other IT teams to resolve helpdesk requests.

Provides onsite deskside IT support for hardware, peripherals, applications, meeting-room technology, printers, and office devices. Resolves escalated tickets, supports employee onboarding and offboarding, provisions and maintains devices, coordinates with service desk teams and vendors, and manages physical device lifecycle activities. Maintains asset records and provides operational reporting on onsite demand, inventory readiness, recurring issues, escalations, and service performance.

Lead and scale internal IT operations including endpoint and identity management, network and vendor management, security and compliance (SOC 2/ISO27001), help desk support, IT policy and budgeting, and build a small IT team. Partner cross-functionally to align tooling, improve efficiency, and execute a 6–12 month IT roadmap.

Provide on-site IT support at ResMed San Diego HQ and global remote support via phone and ticketing. Manage user access (AD, Entra ID, Okta), troubleshoot Windows/macOS/mobile devices, Office 365, AV and conference room systems, deploy hardware, use Jira Service Management, participate in on-call rotation, and collaborate on projects.

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.

Owns workforce IT systems, including Google Workspace, MDM, identity and access management, endpoint compliance, employee onboarding and offboarding, access reviews, vendor security due diligence, IT documentation, and employee troubleshooting. Partners with engineering and security/compliance teams to remediate control gaps and maintain secure, audit-ready systems in a fast-scaling healthcare AI company.

Administer, configure, and maintain Windows and Linux systems, networks, and hardware for DoD/IC environments. Build bare-metal systems, enforce RMF security policies, monitor for intrusions, perform backups and recovery, manage authentication services, document systems, and support displays and video distribution. Support TS/SCI clearance requirements and automation/scripting tasks.

Senior SAP Basis consultant to administer, monitor, optimize, and support large-scale SAP environments. Responsibilities include installations, upgrades, patching, database (HANA/SQL Server) administration, transports/TMS, performance tuning, disaster recovery, ECC-to-S/4HANA migrations, hybrid cloud support, system integrations, and end-user technical support while driving operational excellence and project deliverables.

Administer and troubleshoot Windows Server environments and core network services (AD, GPO, DNS, DHCP, routing, switching, VPN). Perform patching, backups, DR, and hardware/app support. Use ServiceNow and follow ITIL processes while working with users, vendors, and infrastructure teams and maintaining technical documentation.