Top IT Support & Helpdesk Jobs in Columbus, OH

Perform AIX environment performance tuning, GPFS architecture/design, installation, upgrades, tuning, LUN resizing/migration. Administer high-performance clusters, IBM Power virtualization (LPAR/VIOS), capacity management, architecture, large Unix infrastructure management, service monitoring/SLA, scripting, troubleshooting, and documentation.

Administer and maintain Oracle Fusion Middleware on Linux, create and run VMware instances, patch and upgrade middleware, monitor performance, perform troubleshooting and root cause analysis, maintain documentation, and implement proactive system monitoring.

Provide senior-level help desk support across hardware, software, server and network domains. Troubleshoot and resolve user issues remotely or onsite, administer/configure systems, document procedures, monitor security alerts, mentor junior staff, manage ticket backlog and escalate high-priority incidents. Act as escalation point and enforce service levels and quality standards.

Senior individual contributor who owns and administers the enterprise Microsoft 365 tenant (Exchange, SharePoint, OneDrive, Teams, Entra ID/Azure AD, Intune). Ensure platform health, security, compliance (DLP, Purview), licensing, identity lifecycle, and Conditional Access. Coordinate with MSP and Microsoft support, lead migrations and tenant roadmap initiatives (Fabric, Syntex, Copilot), automate with PowerShell, and provide training and documentation. Requires stakeholder collaboration and ITIL-aligned change management.

Support technical instructor by facilitating hands-on IT labs, leading study groups, monitoring and entering learner data (Salesforce/Canvas), enforcing program policies, and assisting with learner performance and administrative tasks.

Manage daily IT operations for a multi-office design firm, providing end-user support, networking and server administration, cybersecurity monitoring, hardware/software lifecycle management, vendor/project coordination, and technology improvements to ensure system availability, security, and business continuity.

Provide first‑line, on‑site IT support for workstations, peripherals, applications, access, connectivity, and standard business systems. Triage and resolve tickets, perform onboarding/offboarding and endpoint setup, document actions in the ITSM system, escalate complex issues, contribute to knowledge base articles, and maintain strong user communication and service standards.

Administer and support PeopleSoft environments including installation, configuration, upgrades/patching, performance tuning, integrations (Integration Broker, IAM/MFA), ElasticSearch implementation, environment builds, monitoring, troubleshooting, and cross-team coordination to maintain high-availability HRMS systems.

Provide level 2/3 technical support for fulfillment center operations: troubleshoot desktops, tablets, networks, scanners, printers, rack/unrack network/server equipment, manage IT inventory, create documentation, support deployments, and collaborate with remote network and operational teams.

Provide Level 2 network monitoring, advanced troubleshooting, and incident remediation in a 24x7 NOC. Support routers, switches, firewalls, VPNs, and load balancers; own Level 2 tickets, document root causes, produce operational reports, update network documentation, and create runbooks for Level 1 analysts. Work rotating shifts and support export-control eligibility requirements.

Provide advanced network monitoring, troubleshooting, and incident remediation in a 24×7 NOC. Handle Level 1 escalations, diagnose complex connectivity issues, perform network configuration changes, own Level 2 tickets to resolution, document root causes, produce operational reports, maintain device inventories and diagrams, and create runbooks and training for Level 1 analysts.

Provide Level 2 systems administration and network monitoring for development, test, and production servers. Install, upgrade, and license software; troubleshoot host and network issues; perform daily system monitoring, reporting, and record-keeping; recommend and implement solutions; and create user documentation and training materials.