Top IT Support & Helpdesk Jobs in Houston, TX

Build and lead a centralized IT function across a holding company and portfolio. Run acquisition IT workstreams and create a Day 1-100 integration playbook. Select and operate identity and access systems, build joiner/mover/leaver processes, maintain living inventory of tools/accounts/licenses, manage MSP relationships and vendor contracts, and connect back-end systems to the cross-portfolio data platform while engaging business stakeholders.

Provide merchant-facing technical support for Clover point-of-sale systems: diagnose hardware, software, peripherals, connectivity, and payment issues; guide device setup and activation; use remote diagnostic and ticketing tools; escalate multi-issue cases; document interactions and contribute to knowledge base improvements.

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 Level 2 Windows-focused NOC systems administration for development, test, and production servers: re-imaging, patching, GPO configuration, OS hardening, AD and connectivity troubleshooting, monitoring and proactive remediation, software/agent management, incident remediation with root cause analysis, reporting, documentation, and training/runbook creation for Level 1 analysts.

Provide Level 2 Windows-focused NOC support: administer and harden Windows servers, troubleshoot OS/Active Directory/connectivity issues, monitor systems, remediate incidents, manage software/agents, produce reports, maintain documentation, and train Level 1 analysts.

Provide remote Atlassian administration for multiple clients: configure Jira/Confluence/Service Desk, respond to service desk requests, automate processes, create projects, configure workflows and permissions, advise customers on best practices, record work/time, and follow security protocols.

Provide first-line support for credit union clients using core banking platforms, troubleshoot member data and transaction issues, document tickets, escalate complex problems, assist with installations/updates, maintain documentation, and deliver user training and exceptional client service.

Lead a global IT support team, drive AI-first ITSM transformation (ServiceNow->Atomicwork), own ITSM processes and SLA governance, partner on JML/identity automation with Platform Engineering, manage vendors, run cross-functional programs, develop regional specialists, and participate in on-call escalations. Position requires East Coast timezone alignment and ~25% international travel.

Provide L2 application support for Alkami's ACH Alert Fraud Prevention platform: triage and resolve customer-reported issues, analyze logs and run SQL queries, manage SLAs and escalations, document resolutions, validate releases, participate in on-call rotations, monitor environments, and perform root-cause analysis to improve processes and client experience.

Serve as senior escalation for complex enterprise IT incidents, troubleshoot Windows/macOS and SaaS issues, drive automation and AI tooling, collaborate with Engineering/Product/Customer Success to surface recurring issues and implement platform improvements, mentor junior analysts, and participate in on-call rotations.

Provide Tier 1/2 support for macOS/Windows and cloud SaaS, manage onboarding/offboarding and IAM (SSO/MFA), administer MDM, document and resolve ITSM tickets, maintain assets/licenses, and drive automation and AI-based process improvements.

Provide Tier 1/2 production and customer support for a 24x7 healthcare platform: monitor system health, troubleshoot incidents, manage escalations, perform FTP support, automate tasks, document resolutions, and participate in on-call rotation while collaborating across teams.