Top IT Support & Helpdesk Jobs in Dallas-Fort Worth, TX

Manage and maintain HPC clusters, storage, networking, and job schedulers. Install/configure hardware and software, optimize performance, support users, enforce security, run backups and DR, coordinate hardware repairs, and participate in on-call rotation.

Lead global NOC operations: manage incident response, monitor networks/servers/voice systems, direct analyst teams, maintain runbooks/KBs, oversee staffing/schedules, coordinate major incident and DR procedures, and deliver reports to senior management.

Provide technical support and training for appraisal and tax collection software via phone, chat, and tickets. Troubleshoot complex issues, use SQL Server and Microsoft 365, apply AI tools and prompting to accelerate troubleshooting, documentation, and customer communication, and perform occasional onsite visits and trade show support.

Provide Tier 1/2 support and administration for Salesforce, Sense, and other business applications; troubleshoot issues; configure users, workflows, reports, and dashboards; gather requirements; build automations; analyze data for integrity and improvements; support projects from testing through training and deployment; maintain documentation and training materials.

Serve as the senior technical resource owning reliability, security, and lifecycle of on-premises and cloud Microsoft infrastructure. Design, maintain, patch, document, and automate systems (PowerShell, Graph API, IaC). Lead projects, respond to escalations, manage backups and DR, follow change management, provide after-hours support, and mentor teammates.

Serve as SME for FIX connectivity, trade flows, and core applications; manage incidents, troubleshoot production issues across order routing and trade capture, support AWS/Kubernetes environments, perform root-cause analysis, automate improvements, and collaborate with brokers, traders, development, and infrastructure teams in a 24/7 follow-the-sun support model.

Administer and optimize JIRA and JIRA Service Management: configure workflows, SLAs, automations, portals, integrations, and reporting; support ITSM processes; provide Tier 2/3 support and user training.

Design, deploy, maintain, and secure hybrid on‑prem and cloud infrastructure (AWS/Azure/GCP); manage virtualization, containers, storage, backups, automation, monitoring, and NSA compliance; provide end‑user support and incident response; perform Data Center Manager duties.

Lead and operate the IT Change Management process: govern changes, run CAB meetings, classify risks, train and support teams, document and improve processes, perform trend analysis and reporting to drive continual service improvement.

Provide Tier 1 IT support, manage user access lifecycles, triage bugs for developers, maintain SOPs and documentation, monitor integrations, and keep audit-ready access and inventory records to reduce operational friction.