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

Provides advanced systems administration, troubleshooting, software installation, performance tuning, hardware and software auditing, backup and recovery, networked system maintenance, and end-user support. The role manages complex workstation and server environments, supports VDI and Citrix technologies, trains users, guides junior staff, and may lead technical tasks while supporting Intelligence Community missions.

Provides remote help desk support for Department of the Navy HR systems. Manages user account provisioning, access controls, ticket resolution, SOP-based troubleshooting, escalations, onboarding assistance, documentation, SLA compliance, and process improvement. Supports users through phone, email, and Microsoft Teams while maintaining appropriate access to mission-critical systems.

Administers Oracle and multiple relational and NoSQL databases across Linux and AWS environments. Performs database installation, backups, recovery, cloning, performance optimization, monitoring, patching, and troubleshooting. Supports application, hardware, software, network, and service-ticket issues; maintains accounts and ACLs; conducts audits; and ensures compliance and data recoverability. Provides customer support, technical expertise, and after-hours on-call support in an onsite, high-security environment.

Provides technical support for end-user computers, applications, phones, printers, network connectivity, access systems, and property technology. Troubleshoots hardware and software, manages inventory, user access, phone systems, remote vendor support, and network wiring. Maintains compliance and delivers customer service to guests, staff, and colleagues. Requires Microsoft, Windows, networking, Active Directory, hardware, software, and imaging experience.

Supports the integration and enhancement of custom applications and vendor systems. Gathers requirements, develops functional designs, assists with solution implementation, performs testing, documents workflows, troubleshoots production issues, and supports Agile delivery. The role collaborates with stakeholders, developers, architects, leadership, and business teams while contributing to process improvements and mentoring associate analysts.

Administer and maintain IT systems, networks, servers, endpoints, and cloud environments. Troubleshoot user and infrastructure issues, manage patches, harden systems, monitor security alerts, and support vulnerability remediation. Assist with ISO 27001 compliance, audits, documentation, onboarding, and offboarding. Serve as an escalation point and technical mentor for junior staff while recommending improvements to IT reliability, security, and operational readiness.

Leads support, administration, service delivery, reporting, vendor relationships, and lifecycle management for financial and administrative applications. Oversees application incidents, operational metrics, business intelligence solutions, dashboards, upgrades, integrations, and continuous improvement. Partners with Finance, Accounting, Billing, Procurement, HR, and other stakeholders while managing and developing support and operations teams. Supports platforms including Elite 3E, Intapp, UKG, Power BI, and SSRS.

Support IT operations for a truck distribution business by managing data from truck loading systems and translating it into SAP using the TMW module. The role requires oil and gas industry experience and 2–3 years of SAP experience.

Provides day-to-day IT support across the APAC region, assisting office, remote, traveling, and field employees. Responsibilities include troubleshooting Windows, Office 365, connectivity, VPN, devices, peripherals, and collaboration tools; deploying and tracking equipment; coordinating shipments, repairs, replacements, and vendors; preparing new-hire technology; maintaining asset records; and following corporate IT, security, and configuration standards.

Coordinate and support IMAC (Installation, Move, Add, Change) activities for branch offices: schedule installations, manage phone/data circuit installs and disconnects, update tickets, liaise with vendors and internal teams, and ensure timely, high-quality technical support delivery.