Top IT Support & Helpdesk Jobs in Jacksonville, FL

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, configure, maintain, and enhance the ServiceNow platform. Troubleshoot issues, implement upgrades, develop test plans, collect and analyze service data, maintain service catalog and reporting, and train end users to support IT Service Management.

Provide remote over-the-phone installation and technical support for ADT alarm and home automation products, troubleshoot issues, educate customers, and recommend additional security solutions while coordinating with field or remote service partners.

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.

Lead technical escalations from intake to validated resolution: run diagnostics across logs, SQL, APIs, cloud and code; classify root causes; review AI-generated fixes; coordinate engineering responses to meet SLAs; improve runbooks, tooling, and prevention to reduce repeat incidents.

Provide technical support for developer customers, resolve inquiries, create and maintain tutorials and content to improve self-sufficiency, minimize engineering interrupts, and collaborate with cross-functional teams on support strategies.

Lead desktop/application integration and platform engineering initiatives: design processes, improve performance, mentor staff, manage complex operational projects, create workflows and policies, analyze system issues, and support enterprise endpoint lifecycle, packaging, deployment, and automation.

Administer and sustain enterprise Active Directory forests, domains, trusts, replication, GPOs, DNS, and authentication services. Provide Tier 2/3 troubleshooting, domain controller deployments, schema updates, AD health monitoring, patching and STIG-based compliance, documentation, and cross-team collaboration to support secure identity services for mission systems.

Administer, secure, and sustain enterprise virtual server environments (VMware, Hyper-V). Manage vCenter, hypervisors, VM lifecycle, templates, patching, STIG compliance, ATO documentation, performance monitoring, troubleshooting, and provisioning workflows to ensure stability and secure operations across multiple networks/enclaves.

Maintain and control enterprise IT infrastructure baselines and configuration items, manage version-controlled documentation repositories, track configuration changes, support change management and knowledge management to ensure consistent, auditable configuration across DoD/IC environments.

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.

Provide remote technical support for Intermedia cloud communications products via phone, web, and live chat. Troubleshoot VoIP/UCaaS/CCaaS issues, document bugs and trends, escalate appropriately, assist teammates, and identify upsell opportunities while meeting KPI goals.