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

Provide expert technical support for commercial and industrial water treatment systems (UV, ion exchange, filtration, RO). Troubleshoot, manage warranty and logistics inquiries, coordinate field service and startups, interpret wiring diagrams/CAD, use Salesforce for service management, and provide on-call support. Travel ~20%.

Lead and manage Level 1-3 Service Desk analysts supporting external clients, oversee daily operations, escalations, SLAs, and reporting. Improve service management, automation, and first-call resolution; partner with Engineering and Incident/Problem/Change Management to resolve production issues. Provide hands-on technical leadership across Splunk, Datadog, MuleSoft, SQL, and ServiceNow while managing client communications and operational metrics.

Provide end-to-end functional support for Oracle EBS and Oracle Fusion HCM (Core HR, Benefits, Compensation, Payroll). Handle incidents, requests, changes and problems; liaise with technical and service delivery teams; maintain ITSM records; drive automation and service improvements; analyze recurring issues and create knowledge articles; support presales and transitions; participate in 24x7 shift rotation.

Senior SAP Basis and BTP Integration consultant responsible for administering SAP Basis landscapes, managing SAP BTP Integration Suite and Cloud Connector, configuring IAS/IPS and OAuth, administering HANA DB and tuning performance, supporting S/4HANA architecture, using Solution Manager for monitoring and transports, and troubleshooting with strong documentation and client communication.

Hands-on senior IT systems administrator responsible for administering Google Workspace and Microsoft 365 environments, endpoint and MDM support across ChromeOS/Windows/macOS, SaaS administration, help desk support, and executing compliance controls (CMMC/NIST800-171/ISO27001/SOC2). Uses AI tools to automate IT workflows, supports engineering teams' toolchains, and assists in audit readiness and evidence collection.

Provide system administration for Windows-based application hosting: support IIS, monitor performance and availability, coordinate security patching, assist deployments, configuration management, and infrastructure modernization in FISMA-regulated federal environments.

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.

Serve as first-line IT support for hardware, software, networking, and enterprise applications. Triage and resolve support tickets, manage onboarding/offboarding, administer Okta and endpoint management (Intune, Jamf), maintain device health and access controls, collaborate with Security and Engineering, document processes, and improve support workflows to ensure a secure, compliant, and user-friendly hybrid work environment.

Lead and own ClickUp's technical support function: build and scale global teams, define KPIs, drive deep technical troubleshooting, partner with Product and Engineering on bug triage and incident response, and implement AI-powered workflows to improve resolution speed and quality while championing operational excellence and continuous improvement.

First IT hire responsible for end-to-end IT: systems administration (Rippling, Google Workspace, SSO), device lifecycle, help desk, vendor and license management, security operations (endpoint protection, phishing simulations, awareness training), and establishing HIPAA compliance and documentation.