Top IT Support & Helpdesk Jobs in San Antonio, TX

Manage and secure the Microsoft 365 tenant, including Entra ID/AD, Exchange, SharePoint, Teams, OneDrive and Power Platform. Perform tenant and data migrations, implement SSO, create documentation and training, support operations and security initiatives, and provide escalation support while evaluating scalability and adoption of new M365 capabilities.

Investigate and resolve complex platform and integration issues, own escalations to Engineering with clear reproduction and impact assessment, coordinate P1 incidents, monitor Datadog and observability signals, document resolution patterns for the knowledge base, and provide overflow support for Delivery Support.

Lead day-to-day system administration for cloud and on-prem systems: install, configure, maintain, optimize, and secure servers and networks. Perform capacity and performance analysis, automate admin tasks, train staff, manage application networking and load balancing, and conduct vulnerability management while supporting CUI and government security requirements in a fully remote Agile environment.

Serve as first point of contact for platform issues: triage incidents, classify impact/severity, attempt resolution, maintain ticket hygiene, track SLAs, escalate ownership, update knowledge base, and communicate incidents. Support reporting, WFM, and QM applications, monitor integrations and system health, and assist with user management, scheduling, recordings, and media troubleshooting.

Provide technical phone support and document all customer interactions in the ticketing system. Diagnose and fix software issues, install and update applications, databases and OS components, train users, identify revenue and process-improvement opportunities, and report status to the manager while collaborating with Support, Development, Professional Services, and Product teams.

Provide technical support for POS hardware, software, and networking (especially Oracle Simphony); configure and fulfill hardware orders; track inventory and RMAs; perform POS data entry, ticket routing, and documentation; escalate complex merchant issues.

Provide L2 technical support for LucidLink's file-streaming/cloud networking product: triage, reproduce and debug customer issues across macOS/Windows/Linux, collect logs/dumps, escalate to engineering, and advise customers on configuration and best practices.

Lead and govern global IT change management lifecycle: intake, risk-based assessment, approvals, execution, validation, post-change review, reporting, and continuous improvement. Coordinate across IT teams, vendors, MSPs, and regions to minimize service disruption, maintain audit-ready records, deliver training, and drive tooling and process automation opportunities to support high-availability and data center operations.

Create and maintain customer-facing technical content and courseware for HPE Networking products. Produce concepts, tasks, installation guides, in-product help, video scripts, and course modules. Collaborate with stakeholders and SMEs, analyze specs, learn products hands-on, follow style/process guidelines, and lead small documentation teams.

Own the end-to-end major incident lifecycle: act as incident commander for Sev-1 events, improve MTTR and on-call practices, run blameless postmortems, drive reliability metrics and roadmaps, manage incident communications and status updates, and define incident operating models, runbooks, and severity frameworks.