IT Jobs in Fullerton, CA

Acts as the liaison between clients and IT development teams, gathering and documenting requirements, coordinating implementation, tracking project progress, maintaining documentation, supporting UAT, and managing system maintenance and enhancement requests. The role provides stakeholder updates, facilitates communication, tracks issues and changes, and prepares status reports and executive summaries.

Leads enterprise technology strategy, digital transformation, e-commerce platform growth, app and system development, and global architecture initiatives. Oversees ERP/SAP and CRM implementation, integration, configuration, maintenance, security, compliance, infrastructure, and process automation. Develops technology roadmaps, aligns systems with business goals, manages cross-functional initiatives, and leads and mentors the technology team. Requires strong experience in e-commerce, ERP/SAP systems, cloud computing, databases, system architecture, and bilingual Korean-English communication.

Provides on-site IT support and maintains desktop, mobile, phone, printer, network, point-of-sale, Microsoft 365, and audiovisual systems. Configures and deploys hardware, administers Azure and Active Directory accounts, troubleshoots connectivity and user issues, supports event technology, and resolves help desk tickets. Requires flexible availability for events, including nights, weekends, and holidays, along with the ability to lift up to 50 pounds.

Provide end-to-end systems administration for on-prem and cloud environments: install/configure Windows/Linux servers, firewalls, networks, virtualization, storage, backups, and Java web applications; support customers via tickets and coordinate maintenance and upgrades.

The IT Project Manager will lead IT projects, manage budgets and schedules, ensure project scope meets business needs, and communicate with stakeholders.

Administer and monitor a multi-site routed network (SD-WAN, switching, routing, VoIP); troubleshoot escalated tickets; perform patching and vulnerability remediation; configure firewalls, VPNs and cloud connectivity; participate in network architecture and projects; provide after-hours rotational support and maintain documentation and security best practices.

Senior IT Systems Engineer responsible for designing, configuring, and troubleshooting hybrid on‑premises and cloud infrastructure. Lead infrastructure projects, manage VMware vSphere/ESXi, SANs, backups/DR, Office 365 and related services, implement Azure components, automate tasks, document procedures, remediate audit findings, and mentor/coordinate technical work across teams.

Lead implementations and integrations of WMS/TMS/FMS/OMS for 3PL customers, configure workflows, design and test ERP/EDI/API integrations, support onboarding and production, execute UAT and data validation, create documentation, and optimize processes.