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

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.

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.

Provide Tier 2/Tier 3 technical support for Infios TMS customers by investigating application, configuration, data, and integration issues. Analyze logs and system data, troubleshoot APIs and data exchanges, validate resolutions, manage support cases within SLAs, document solutions, escalate complex problems, maintain knowledge resources, and mentor analysts. The role is fully remote, Monday through Friday, with flexibility based on coverage.

Provides frontline technical support for employees, troubleshooting Windows hardware, software, connectivity, and access issues. Manages help desk tickets, user accounts, onboarding and offboarding, workstation deployment, equipment inventory, and vendor coordination. Documents solutions, escalates complex issues, and supports process improvements. The role requires strong customer service, communication, organization, and at least three years of technical support experience.

Supports enterprise IT operations through troubleshooting, device preparation, onboarding, deployments, documentation, cybersecurity activities, networking, infrastructure support, technology research, and IT projects. The intern works under experienced IT staff while developing skills in help desk, cybersecurity, networking, or infrastructure disciplines.

Provides desktop support, hardware procurement and inventory management, computer imaging, account setup, software training, and troubleshooting for end users. Manages employee onboarding and offboarding across Active Directory, Exchange, Google Workspace, and other systems. Prepares weekly management reports and supports corporate applications and hardware in a hybrid Pittsburgh office environment.

Provides Level 2 technical support for cellular and wireline network gateways, routers, and managed services. Responsibilities include monitoring network health, responding to alarms, performing remote diagnostics, analyzing Linux logs, troubleshooting packet captures and firewall rules, coordinating with customers and field technicians, documenting incidents, and escalating unresolved issues. The role requires flexible shift availability, strong communication, customer service, and network troubleshooting expertise.

Provides Level 2 technical support for cellular and wireline network services in a remote contact-center environment. Responsibilities include monitoring network alerts, diagnosing OSI-layer issues, analyzing Linux logs and packet captures, troubleshooting routers, firewalls, NAT, and network connectivity, coordinating with customers and field technicians, supporting installations, documenting incidents, and meeting service KPIs. The role requires strong Linux command-line, networking, and customer communication skills, with weekend and holiday shift flexibility.

Provides onsite help desk and account administration support, including application and network access assignments, password resets, account deletion and disabling, privileged access management, and account cleanup. Supports users through phone, messaging, and in-person interactions. Assists with endpoint deployment, new device configuration and delivery, e-recycling preparation, and ITSM operations.

Provides advanced remote technical support across client environments in an MSP setting. Responsibilities include resolving escalated incidents involving Microsoft 365, identity management, networking, endpoints, enterprise applications, backups, and infrastructure. The role documents troubleshooting, coordinates vendor escalations, communicates with clients, improves knowledge resources and processes, meets service metrics, and mentors junior engineers.

Administer and improve GoodPower’s Salesforce CRM, including configuration, automations, permissions, data hygiene, reporting, integrations, troubleshooting, documentation, and user support. Translate fundraising and organizational needs into system requirements, coordinate contractors and implementation partners, test enhancements, and maintain the enhancement backlog. Lead training, office hours, adoption initiatives, and communications for staff with varying technical expertise. Support nonprofit fundraising, donor management, grant tracking, and revenue workflows while monitoring connected systems and resolving integration issues.