IT Systems Administrator Microsoft 365 / Exchange- Hybrid

IT Systems Administrator Microsoft 365 / Exchange

Position Overview
Looking for an experienced IT Systems Administrator to support and maintain its Microsoft technology environment, infrastructure, security initiatives, and business-critical applications.
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his is a hands-on, mid-level IT role with a strong emphasis on Microsoft 365, Exchange, Active Directory, Azure, and hybrid infrastructure administration. The ideal candidate will have practical experience managing Microsoft environments, particularly hybrid Exchange, and be comfortable troubleshooting systems, supporting end users, and managing day-to-day infrastructure operations.

A key priority for this position is helping complete an ongoing Cisco Duo Multi-Factor Authentication (MFA) and YubiKey implementation project, including integration with Active Directory and Azure/Entra ID.

Key Responsibilities
Microsoft 365 & Exchange Administration
Administer, maintain, and troubleshoot the organization's Microsoft 365 environment.
Support and manage hybrid Exchange environments, including day-to-day Exchange administration and troubleshooting.
Maintain and support Exchange Online, on-premises Exchange, SharePoint, Teams, and other Microsoft 365 services.
Manage user accounts, permissions, access, and configurations.
Support integration between on-premises Active Directory and Azure/Entra ID.
Assist with ongoing systems administration and ensure continuity of Microsoft services.

Active Directory, Azure & Infrastructure Support
Administer and troubleshoot Active Directory and Azure/Entra ID environments.
Support hybrid identity management, authentication, and directory synchronization.
Troubleshoot infrastructure, access, connectivity, and system-related issues.
Provide day-to-day systems administration and technical support across the organization's IT environment.

Cybersecurity & MFA Implementation
Assist with the implementation and deployment of Cisco Duo MFA.
Configure and support YubiKey hardware authentication.
Integrate MFA solutions with Active Directory and Azure/Entra ID.
Troubleshoot authentication and integration issues.
Support testing, deployment, documentation, and ongoing administration of security solutions.

Application & Public Safety Systems Support
Provide front-end support for RIMS/Sunridge public safety applications and computer-aided dispatch (CAD) systems.
Troubleshoot dispatch console crashes, client application issues, and middleware-related problems.
Assist with application server troubleshooting and issue resolution.
Coordinate with third-party vendors for escalated application or database issues.
Work with existing vendor support resources for back-end SQL database concerns; deep SQL database administration is not a primary responsibility.

General IT Support & Collaboration
Troubleshoot hardware, software, systems, and application issues.
Provide responsive, professional technical support to employees across the organization.
Collaborate with internal IT staff, vendors, and other departments.
Take ownership of technical issues and follow them through resolution.
Assist with infrastructure projects, security initiatives, and process improvements.

Required Qualifications
3 5 years of experience in IT support, systems administration, infrastructure support, or a related IT role.
2 3 years of hands-on experience supporting Microsoft 365, Exchange, Active Directory, and Azure environments.
Strong working knowledge of Microsoft 365 administration, particularly Exchange.
Practical experience supporting hybrid Exchange environments.
Experience administering on-premises Active Directory integrated with Azure/Entra ID.
Strong troubleshooting skills across Microsoft systems, identity management, and end-user applications.
Ability to work independently, prioritize competing responsibilities, and manage day-to-day technical issues.

Preferred Qualifications
Experience implementing or administering Cisco Duo MFA.
Experience configuring and deploying YubiKey hardware authentication.
Experience with MFA implementation and identity security solutions, including comparable platforms.
Experience supporting SharePoint and Microsoft Teams.
Familiarity with RIMS, Sunridge, computer-aided dispatch (CAD), or other public safety applications.
Experience troubleshooting application servers, middleware, and client-facing applications.
General familiarity with SQL environments.
Exposure to AI implementation or integration initiatives.

Note: Public safety, RIMS, Cisco Duo, and YubiKey experience are preferred but not mandatory. Candidates with strong Microsoft 365, Exchange, Active Directory, Azure, and comparable MFA implementation experience are encouraged to apply.

Ideal Candidate / Soft Skills
The successful candidate will:
Be proactive, resourceful, and comfortable working independently.
Have excellent communication and customer service skills.
Demonstrate a professional, service-first approach when supporting employees.
Take ownership of technical issues rather than relying solely on vendor escalation.
Adapt quickly to changing priorities and organizational needs.
Balance daily systems administration responsibilities with ongoing project work.
Be comfortable collaborating with technical and non-technical stakeholders