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

Provide hands-on system administration for Windows/Microsoft 365 and Linux environments, identity and access management, virtualization and storage, UniFi networking, and end-user support. Maintain security, automation (PowerShell/Bash), ITSM workflows, and multi-site infrastructure to improve reliability and operational efficiency.

Provide L1/L2 basis administration for 24x7 operations. Work in shifts to manage and operate customer applications, ensuring availability and incident response.

L2 Technical Support Engineer owns escalated in-store device cases end-to-end: troubleshoot Linux-based edge devices, networking, cloud connectivity, and Salesforce case data; support new-store rollouts and BAU fleet health; run/adapt diagnostic scripts; document findings, contribute runbooks, and escalate to L3 with clear artifacts.

One-year paid apprenticeship to learn IBM Z mainframe administration. Complete technical coursework, earn IBM digital credentials, perform basic mainframe tasks (JCL debugging, ISPF dataset management, use IBM utilities), ensure systems meet business needs, participate in on-call rotation and occasional evenings/weekends.

Provide advanced desktop, server, and network infrastructure support; act as first escalation for technicians; deliver onsite managed services support; document configurations and recommend system performance improvements.

Remote Document Specialist responsible for preparing, formatting, proofreading, and converting complex legal documents (TOCs, TOAs, briefs). Provide helpdesk support for document/software issues, assist attorneys with production requests, maintain accuracy under tight deadlines, and participate in a rotating on-call weekend schedule.

Senior technical support engineer responsible for implementing and migrating IBM i systems on IBM Power platforms, performing onsite installations, managing SAN/VTL/replication and LPAR tasks, providing SME input to presales, resolving escalations, coordinating with stakeholders for acceptance into service, and supporting operational governance within ITIL-aligned environments.

Administer and secure Island Enterprise Browser across the environment, manage policies and RBAC, deploy and maintain browser installs and extensions via Intune/MECM, serve as L2/L3 escalation for incidents, integrate with identity and security platforms, support endpoint device management, produce documentation and reports, and participate in incident response and endpoint strategy initiatives.

Install, configure, maintain, and tune purchased applications and frameworks. Participate in upgrades, releases, testing, and problem diagnosis. Work with infrastructure teams, vendors, and developers to troubleshoot, document system configurations, and ensure application performance and change management compliance.

Provide onsite technical support for public safety vehicle intelligence/ALPR solutions: troubleshoot hardware, software, networking, VPN/VLAN, Windows Server and Linux systems, manage support tickets/calls, update KB documentation, collaborate with product/engineering, assist sales, and support cloud, container, and virtualization environments.