Senior IT Support & Systems Lead

HALO CENTERS LLC; Sarasota (FL); On-site; USD 37,000 - 56,000; Full time

Job summary

HALO Precision Diagnostics in Sarasota, FL seeks an experienced Sr. Helpdesk Specialist to lead day-to-day IT support and mentor junior staff. You will manage on-prem Active Directory, Exchange Online, Entra ID, Intune, and end-user devices, while ensuring SLA compliance and secure handling of health data.

This role interfaces with IT leadership to resolve complex issues and improve processes. Responsibilities include remote support, hardware provisioning, and documentation, with a focus on

Qualifications

• Hands-on experience administering on-premises Active Directory servers.
• Strong experience with Microsoft 365, including Exchange Online administration.
• Experience with Microsoft Entra ID, including MFA, conditional access, and application access.
• Experience with Microsoft Intune, including device enrollment, compliance and configuration policies, and app deployment.
• Hands-on experience with TeamViewer for remote support.
• Experience configuring and troubleshooting wireless networks, with networking fundamentals.
• Working knowledge of Windows and macOS and hardware troubleshooting.
• Security awareness, including handling of health information.
• Experience with Jira Service Management and SLA adherence.
• PowerShell scripting and AWS / GCP experience are a plus.

Responsibilities

• Escalation and Advanced Support: Resolve escalated hardware, software, access, and network issues, perform root-cause analysis, and escalate to IT leadership with documentation.
• Ticket and SLA Ownership: Own queue health and response/resolution targets for tickets, including urgent-ticket SLAs, and identify recurring issues for improvement.
• Remote Support: Provide remote support to users through TeamViewer.
• Active Directory Administration: Manage on-premises Active Directory servers, including user/group management, group policy, and access permissions.
• Microsoft 365 and Exchange Online: Administer mailboxes, shared mailboxes, distribution lists, mail flow, licensing, and tenant settings.
• Identity and Access: Manage Entra ID accounts, MFA, conditional access, and application access.
• Endpoint Management: Deploy and manage devices through Microsoft Intune, including compliance and configuration policies, app deployment, device enrollment.
• Wireless and Network Support: Configure and troubleshoot Wi-Fi networks and VPN connectivity.
• Hardware Procurement and Setup: Handle procurement, configuration, shipping, and tracking of hardware for new hires.
• User Lifecycle Management: Ready new hires on day one, securely disable accounts, and recover equipment at offboarding.
• Security and Audit Support: Assist with patching, device compliance, and audit-related documentation.
• Mentoring and Documentation: Train junior specialists and interns, maintain procedures and knowledge base articles.
• Asset Management: Track and update IT equipment and software inventory.

Skills

Active Directory administration

Microsoft 365 administration

Entra ID / MFA / conditional access

Intune device enrollment & compliance

TeamViewer remote support

Networking fundamentals (TCP/IP, DNS,

Troubleshooting hardware & software

SLA management & ticketing (Jira)

PowerShell scripting

AWS / GCP experience

Education

Associate's or Bachelor's in IT/CS

5+ years IT support or admin

Certifications (Microsoft 365 Admin, Identity & Access, CompTIA A+/Network+, ITIL)

Job description

HALO Precision Diagnostics in Sarasota, FL seeks an experienced Sr. Helpdesk Specialist to lead day-to-day IT support and mentor junior staff. You will manage on-prem Active Directory, Exchange Online, Entra ID, Intune, and end-user devices, while ensuring SLA compliance and secure handling of health data.

This role interfaces with IT leadership to resolve complex issues and improve processes. Responsibilities include remote support, hardware provisioning, and documentation, with a focus on