Top IT Support & Helpdesk Jobs in St. Louis, MO

Part-time paid IT internship supporting hardware and software maintenance, imaging devices, mobile device and network troubleshooting, equipment delivery/setup at customer sites, and resolving tickets through an IT ticketing system while learning cloud, SaaS, and IP telephony technologies.

Maintain, optimize, and support client package-based applications (e.g., SAP/Oracle). Customize core modules, contribute to technical and business blueprints, perform unit and integration testing, deliver end-user training, and support vendor management and solution design.

Provide hands-on Tier 2/3 IT and OT systems support in a manufacturing environment, troubleshoot production-impacting issues across servers, workstations, networks, applications and industrial systems, support software lifecycle tasks, ensure high availability, follow safety and compliance, and coordinate with operations, engineering, maintenance, cybersecurity and vendors.

Administer and maintain enterprise Windows Server, virtualization (VMware), storage (Pure Storage), Microsoft 365 and Entra ID. Manage AD, DNS, DHCP, backups, DR, patching, capacity, and security hardening. Lead infrastructure projects, cloud adoption, automation with PowerShell, and tier‑3 incident resolution. Provide on‑call support, collaborate across IT teams, and drive continuous improvement and documentation.

Provide advanced on-site infrastructure and network support, including switches, routers, servers, telephony, and video conferencing. Troubleshoot terminal servers, thin clients, mobile devices, printers/plotters, update switch code, repair/replace equipment, and document procedures. Support on-site meetings and escalate complex issues.

Manage, maintain, and optimize SAP Basis and SAP HANA environments for S/4HANA. Troubleshoot OS, software, and networking issues; perform backups and recoveries; support cutover and deployments; author technical documentation; budget and plan work; lead and mentor a team.

Own end-to-end IT support and administration across identity, collaboration, AI, endpoint, and email platforms. Build AI-assisted triage, self-service, and agentic workflows; manage Claude Enterprise and MCP connectors; administer Jamf and Intune fleets; support onboarding and offboarding automation; oversee access reviews, MFA, phishing reports, and basic incident triage. The role requires strong judgment about automation versus human support, cross-functional ownership, and clear, personal communication.

Leads infrastructure resilience, lifecycle management, service delivery, major-incident response, vendor coordination, and operational readiness across a distributed plasma-center network. Oversees support teams and providers, technology roadmaps, continuity planning, compliance, budgets, and continuous improvement. Drives adoption of AIOps, automation, self-service, self-healing, connected-device management, and AI-assisted incident response while partnering with Plasma leadership in a regulated environment.

Provides first-line technical support to Ferguson associates through phone, chat, and self-service channels. Responsibilities include troubleshooting end-user issues, documenting incidents in ticketing systems, using knowledge bases, resolving requests, escalating complex problems, and maintaining strong customer and IT department relationships. The role requires effective communication, critical thinking, multitasking, and familiarity with applications, systems, and support processes.

Provides technical customer support for low- to moderate-complexity cases, incidents, bugs, and feature requests. Responsibilities include troubleshooting, reproducing and diagnosing issues, root cause analysis, ticket and SLA management, customer communication and education, system configuration, documentation, and cross-functional escalation. The role also requires product expertise and proficiency in at least one technical area such as SQL, web technologies, email deliverability, CRM systems, or APIs.