Lead Systems Administrator - Messaging Admin

Posted 8 Days Ago
Be an Early Applicant
Jacksonville, FL, USA
In-Office
Senior level
Fintech • Financial Services
The Role
The Lead Systems Administrator oversees Microsoft environments, leads initiatives, manages technical issues, mentors team members, and ensures stability and security of systems.
Summary Generated by Built In
Job Summary & Responsibilities

IT Systems Admin Lead

The IT Systems Administrator Lead - oversees the design, administration, and ongoing support of the organization’s hybrid and cloud-based Microsoft environments, including Hybrid Exchange, Microsoft 365, Entra ID, Intune, OneDrive and SharePoint Online. This role ensures systems are configured, secured, and maintained to meet business and user requirements while aligning with the organization’s overall IT architecture and operational standards.


The Lead provides technical oversight and approval of system designs, leads large-scale initiatives and migrations, and serves as the primary escalation point for complex technical issues. Recognized as a subject matter expert, this role drives best practices, mentors team members, and ensures the stability, performance, and security of identity, messaging, endpoint, and collaboration platforms.

Key Responsibilities and Duties

  • Lead administration and support of a Hybrid Exchange environment, including mail flow, coexistence, migrations, and troubleshooting across on‑premises and Exchange Online.
  • Own and optimize the Microsoft 365 tenant, ensuring reliable operation of Exchange Online, SharePoint Online, Teams, and supporting services.
  • Manage Entra ID (Azure AD) identity and access services, including conditional access, identity lifecycle management, authentication policies, and hybrid identity synchronization.
  • Oversee Intune / Endpoint Manager for device enrollment, compliance, configuration, application deployment, and security baselines across Windows and mobile platforms.
  • Act as escalation lead for complex incidents, root cause analysis, and service restorations.
  • Lead platform upgrades, cloud adoption initiatives, and modernization efforts, including scripting and automation using PowerShell.
  • Define and maintain operational standards, security controls, documentation, and change management procedures.
  • Mentor and guide systems administrators, ensuring consistent implementation of best practices and technical growth.
  • Partner with cybersecurity and compliance teams to support audits, incident response, and zero‑trust initiatives.

Minimum Qualifications

  • 5 years of experience supporting and maintaining enterprise systems in a complex technical environment
  • Prior experience supporting collaboration platforms 

Preferred Qualifications

  • 7+ years of experience leading the administration of a Hybrid Exchange environment
  • Prior experience supporting tools such as MS 365, Exchange Online, Sharepoint Online, Teams, Entra ID, Intune

Educational Requirements

  • University (Degree) Preferred

Physical Requirements

  • Physical Requirements: Sedentary Work

Career Level
8IC

Preferred Qualifications

Posting end date: 4/30/26

Top Skills

Azure Ad
Entra Id
Hybrid Exchange
Intune
Microsoft 365
Onedrive
Powershell
Sharepoint Online
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The Company
HQ: Jacksonville, Florida
2,300 Employees

What We Do

EverBank is a nationwide specialty bank providing high-value products and services to consumer and commercial clients nationwide. As a pioneer in online banking, we offer convenient digital account access for clients 24/7, in addition to phone banking services and a network of financial centers across Florida. EverBank’s commitment is to deliver our clients high-performing, high-yield solutions backed by exceptional service, giving them the advantage they expect, to make the most of their money.

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