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

Provide IT helpdesk support, onboard/offboard employees, manage identities and access (Okta/EntraID), troubleshoot hardware, software, VOIP, and networking (LAN/WAN/VPN), administer cloud services and Atlassian, handle device management and asset management for remote US-based employees.

Trail of Bits seeks an IT Operations Engineer to manage IT infrastructure, enhance security compliance, and improve the technology experience for a remote cybersecurity team. Responsibilities include endpoint management, identity & access management, cloud infrastructure oversight, automation of tasks, and maintaining comprehensive documentation.

Provide technical support for Zscaler products focusing on troubleshooting security and networking issues while ensuring client satisfaction and operational excellence.

Perform technical tasks related to the operation and monitoring of managed services technologies, ensuring service delivery within SLAs, and providing tier-1 support.

Provide overnight operational and technical support for trading systems: monitor systems and risk limits, troubleshoot disruptions, coordinate with traders, engineers, and vendors, perform root cause analysis, adjust limits per policy, and maintain detailed operational documentation.

Lead and mentor a team on endpoint management while ensuring operational excellence, implementing security strategies, and fostering a DevOps culture.

The PC Support Analyst II provides end-user support via phone and on-site, troubleshoots issues, provisions devices, and collaborates with technical teams to resolve problems. They also document support tickets and participate in development planning.

Serve as subject-matter expert for United Concordia dental applications, support production operations and incidents, analyze issues, define and validate requirements and test scenarios, collaborate with developers and stakeholders, and ensure changes meet business expectations.

Perform routine maintenance and repairs on gaming machines and equipment, diagnose faults, and communicate effectively while working under supervision.

The IT Operations Specialist manages IT and security operations, focusing on user/device lifecycle management, SaaS administration, and cross-functional collaboration while mentoring junior team members and improving processes.