IT Jobs in Santa Ana, CA

Lead end-to-end sales pursuits for IT infrastructure managed services, build and execute strategic sales plans, penetrate target markets, shape messaging, manage proposals and commercial models, and ensure smooth handoffs to delivery while mentoring teams and driving growth.

Lead and manage IT Ops team delivering help desk and sysadmin services, own runbooks and SLAs, drive automation and projects (backup, virtualization, provisioning), handle escalations and cross-team compliance coordination, and hire/mentor staff.

Provide on-site technical support and help-desk services, troubleshoot hardware/software and network issues, manage onboarding/offboarding, monitor infrastructure (servers, networks, backups), maintain hardware inventory, and support strategic IT service initiatives.

Serve as the escalation point for Tier 1, resolving complex desktop, macOS, and network issues; provide high-touch support to executives; administer Microsoft 365 (Entra ID, Exchange, Intune, SharePoint/OneDrive, Teams); troubleshoot switches, wireless, and endpoint security; mentor Tier 1 staff; own root-cause diagnosis and ticket resolution; assist with equipment moves and occasional after-hours business-critical support.

Lead and manage internal audit engagements and team to execute the audit plan, assess controls and risks, report findings, track remediation, and ensure regulatory compliance. Provide coaching, hiring input, and adherence to audit methodology and ethics.

Provide first-level IT support and maintenance for desktops, servers, printers, and network equipment; monitor backups and antivirus; perform hardware/software installs, upgrades, and repairs; assist on IT projects and support internal clients in a fast-paced, on-site office environment.

Lead and build IT and cybersecurity functions, own the system security plan, prepare for CMMC Level 2 certification, integrate business systems, provide hands-on IT support, and scale security and IT teams in a hardware-plus-software startup.

As an IT Support Specialist, you will provide technical support to end users, troubleshoot issues, assist with IT projects, and manage employee onboarding/offboarding activities.

The IT Specialist will support IT operations through troubleshooting, configuring systems, managing Atlassian tools, and providing technical assistance to users.

First-point-of-contact Tier 1 analyst providing phone/email/ticket support for hardware, software, networking, printing, AV, VoIP, Active Directory, Windows Server and VMware. Manage AutoTask tickets, perform basic installs/patches, onboard users and spin up VMs, escalate complex issues, maintain documentation and the internal knowledge base, and keep clients updated on ticket status.

Manage and optimize servers, networks, virtualization, databases, and cloud services to ensure maximum uptime and security. Lead incident response and root-cause analysis, maintain system documentation and compliance, support ERP and manufacturing floor integrations, manage vendors, mentor junior admins, and drive infrastructure modernization and migrations.

Lead IT operations across multiple manufacturing sites, standardize processes and policies, ensure NIST 800-171/CMMC compliance, manage network, virtualization, cloud, and cybersecurity tools, mentor site IT Managers, oversee budgets, KPIs, projects, and vendor relationships to align IT with corporate objectives.