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

Administer and maintain Windows/Linux servers, networking, virtualization, and Azure cloud infrastructure. Manage Active Directory, DNS, DHCP, Group Policy, VPNs, firewalls, SAN/NAS, backups, monitoring, patching, and disaster recovery. Provide high-level escalation support, perform controlled changes, maintain documentation, and collaborate with teams and vendors to improve infrastructure security, performance, and reliability. On-call and after-hours work required.

Provide technical system management and support primarily across the Zoho One ecosystem and Shopify. Troubleshoot issues, build and maintain automation workflows, ensure data flow between platforms, update Shopify product/catalog settings, create documentation and SOPs, and assist with social media scheduling and metrics. Prioritize and execute items from an IT to-do list for executive and sales teams.

Serve as first-line support for the VA.gov platform: triage tickets, troubleshoot account and site issues, monitor alerts, document incidents, escalate complex problems, and maintain user documentation and knowledge base.

Provide L2/L3 technical support for premium enterprise accounts, lead high-severity incident response, troubleshoot Kubernetes/OpenStack/virtualization/storage/network issues, drive root cause analysis, mentor support engineers, execute account remediation plans, and coordinate cross-team resolutions and upgrades.

Provide first-line remote technical support to students and parents for devices and learning platforms via email, chat, ticketing, and phone. Troubleshoot hardware/software/connectivity across Mac, Windows, iOS, and Chromebooks, escalate complex issues, maintain knowledge base articles, and report on ticket volume and trends. Weekend coverage and clear written communication required.

Provide 1st–2nd line IT support for executives in the New York office, manage high-priority incidents via ServiceNow, troubleshoot Microsoft and mobile technologies, administer Active Directory, escalate to technical teams, support desk moves and out-of-hours events, and maintain compliance with FCA and ITIL practices.

Take escalations from L1 and the ticket queue to resolve moderately complex issues (data validation, workflows, configuration). Use SQL to investigate data and validate reports, document findings, escalate cleanly to L3, expand the internal knowledge base, assist frontline support as needed, and apply basic scripting (Python/JavaScript) to reproduce or check issues.

Investigate and resolve complex platform and integration issues, own escalations to Engineering with clear reproduction and impact assessment, coordinate P1 incidents, monitor Datadog and observability signals, document resolution patterns for the knowledge base, and provide overflow support for Delivery Support.

Manage, design, install, support, and maintain VMware virtual environments and virtual-based systems. Administer Red Hat Linux and Windows Server OS, support email systems (MS Exchange/O365 preferred), troubleshoot issues, lead tasks, and communicate effectively to manage multiple priorities.

Serve as Tier II escalation for complex IT issues across Microsoft 365 and collaboration tools. Administer identity/access (Entra ID, SSO, MFA), manage SaaS permissions, oversee device imaging, shipping, and inventory, support conference AV and VPN access, respond to security alerts, maintain Confluence knowledge base, partner with vendors, and improve support workflows for ~260–400 users.