Microsoft 365 Administrator
Confirmed on the employer's own hiring board on Oct 30, 2026. First seen by Alion on Aug 31, 2026.
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General Description
The purpose of this class is to support, implement, design and secure services for Microsoft 365 and System Center Configuration Manager (SCCM)/Microsoft Endpoint Configuration Manager (MECM) across the enterprise.
Duties and Responsibilities
The functions listed below are those that represent the majority of the time spent working in this class. Management may assign additional functions related to the type of work of the class as necessary.
Designs, deploys, manages and serves as primary expert for the Microsoft 365 and MECM environment.
Administers and maintains M365 collaboration applications including Office 365, SharePoint, Teams, OneDrive, OneNote and Planner.
Functions as the Microsoft Exchange administrator.
Functions as SharePoint file sharing administrator.
In coordination with the SOC, manages Microsoft 365 security administration.
Provides support to development teams in Power Apps and Power BI.
Seeks and recommends improvements on existing Microsoft 365 and MECM architecture.
Creates and executes Powershell scripts to properly install and/or manage.
Utilizing the Change Management process, applies changes and upgrades to the Microsoft 365 environment.
Ensures overall security of the Microsoft 365 tenant.
Manages the enterprise Microsoft 365 licensing.
Provides eDiscovery services for the County.
Authors and manages Information Rights Management for encryption of sensitive information.
Implements data loss prevention (DLP) measures and adjusts as necessary.
Administers and manages the Microsoft Endpoint Configuration Manager, including all endpoints, objects, collections, deployments, and software center.
Works with other team members to ensure all endpoints are configured with latest security patches and updates for Windows and other enterprise applications.
Develops comprehensive test cases to include scenarios for normal and degraded operations.
Coordinates within functional and cross-functional teams to apply expertise in solving problems, growing capabilities and driving initiatives.
Participates in disaster planning, preparation, recovery, and testing as required.
Troubleshoots issues with vendors; evaluate vendor products, services, and suggestions.
Provides best practice advice and guidance to management and across the enterprise.
Provides after-hours support for Infrastructure related emergencies as well occasional weekend maintenance.
Performs related work as assigned.
Minimum Education and Experience Requirements:
Requires Bachelor’s degree in information technology, computer science or related major, or equivalent experience.
Requires four years of experience providing design, management and support in Microsoft 365 and SCCM/MECM or closely related experience.
Expert-level knowledge of all Microsoft 365 workloads - SharePoint, Exchange, Teams, Planner, Power Apps and BI, OneDrive, Streams and Microsoft enterprise desktop applications.
Powershell scripting experience.
Special Certifications and Licenses:
MCSE or similar certification preferred.
Valid TX driver’s license.
Must maintain CJIS compliancy.
Physical Demands/Work Environment:
Physical demands refer to the requirements for physical exertion and coordination of limb and body movement.
Unavoidable hazards refer to the job conditions that may lead to injury or health hazards even though precautions have been taken.
The work is typically performed sitting at a desk or table or while intermittently sitting, standing, bending, crouching, or stooping. The employee occasionally lifts light and heavy objects.
The work is typically performed in an office.
Emergency Preparedness Tier Level: 3
Benefits:
Build your career with The County of Galveston, where your health and well-being matter! As a benefit-eligible employee, you will enjoy:
Flexible, comprehensive health benefits with multiple plan choices, including $0 premium options
Full family coverage options for medical, dental, and vision
Strong retirement security through TCDRS with generous 200% county matching (once vested & retirement eligible)
County paid term and whole life insurance policies and long-term disability
Work-life balance through paid time off, holidays, and other wellness initiatives
Supportive networks through EAP and Marketplace Care Partners
Department: Information Technology
Salary: $74,702.00
The County of Galveston is an equal opportunity employer and does not discriminate on the basis of race, color, national origin, religion, sex, sexual orientation, age, disability, gender identity or expression, genetic information, veteran status or any other characteristic protected by law.