Top IT Support & Helpdesk Jobs in Jacksonville, FL

Provides Tier 2 technical support for managed-service clients, resolving advanced hardware, software, network, Microsoft 365, identity, endpoint, and security issues. Manages tickets, monitoring, patching, documentation, and asset records while supporting HIPAA-sensitive healthcare and life sciences environments. Collaborates on deployments and migrations, identifies improvement opportunities, participates in on-call rotations, and mentors junior technicians.

Provides first-line technical support for corporate offices and data center environments. Responsibilities include troubleshooting users, installing and maintaining hardware and software, monitoring servers and networks, managing accounts and access permissions, enforcing security policies, maintaining asset inventories, creating knowledgebase content, training users, and supporting upgrades, cloud migrations, and infrastructure projects.

Provide technical support to strategic enterprise customers, troubleshooting networking and system issues, performing health checks, validating upgrades in lab environments, escalating to engineering, and delivering proactive recommendations. Manage enterprise customer relationships, perform packet capture analysis, set up test environments, and provide rotating after-hours support.

Administer Salesforce by managing the ticket queue and backlog, prioritizing requests, and delivering declarative solutions using Flow, validation rules, layouts, record types, permissions, reports, and dashboards. Support Sales and Marketing Operations stakeholders with campaign infrastructure, lead and contact routing, and end-user assistance. Document requirements, use AI-assisted tools, monitor backlog metrics, communicate timelines, and escalate development, security, or integration needs.

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 Tier 1/2 help desk support for a DoD program, managing IAM and cloud authentication issues (CAC, SSO, MFA), use ITSM tools (ServiceNow/JIRA), enforce SLAs, track tickets and report help desk performance metrics.

Provide frontline and advanced application support for radiology imaging workflows: incident triage, user provisioning, configuration changes, DICOM troubleshooting, monitoring interfaces, coordinating with networks/storage/vendors, maintaining SOPs and knowledge base, delivering end‑user training and on‑call doctor support to meet SLAs.

Provide L2/L3 production support, monitoring, troubleshooting, and root-cause fixes for Oracle Siebel CRM. Support upgrades, repository merges, IRM, deployments across environments, integrations (EAI/Web Services/REST), performance tuning with DBAs, and periodic 24x7 on-call coverage. Document processes and assist release and migration activities.

Provide Tier 2 technical support and escalations for Tailscale customers: troubleshoot complex networking and SSO issues, manage ticket SLAs, mentor Tier 1, collaborate with Product/Eng, and contribute to documentation and recurring friction elimination.

Senior technical owner for enterprise support: reproduce and resolve complex issues end-to-end, define SLAs/severity/escalation, hand off clear tickets to engineering, build KB and onboarding, and synthesize product feedback.