Sr. IT Specialist (M365 Administrator)

General Dynamics - Bath Iron Works•Brunswick, ME

2d•$83,900 - $106,300•Onsite

About The Position

The Microsoft 365 Administrator will manage day-to-day operations, optimize licensing, and resolve complex authentication issues in a GCC-H M365 environment. Taking direction from team leadership and technical architects, this role will be responsible for maintaining a secure, highly governed Microsoft ecosystem, leaning heavily into Entra ID management, Zero Trust principles, and automated administration using Microsoft Graph PowerShell. In addition to day-to-day operational and tactical roles, this position will support strategic projects and initiatives including rollout of new M365 workloads, converging legacy systems to M365, internal process improvement, and driving user adoption through training, documentation, and 1:1 engagement. This role is ideal for a hands-on systems administrator who thrives in a highly secure, tightly governed enterprise environment and wants to work closely with architecture teams to operationalize infrastructure designs. Operating under the BIW Business Operating System (BOS), the Sr. IT Specialist ensures compliance with safety, quality, and performance standards while coordinating with other key stakeholders to meet overall milestones.

Requirements

BA/BS degree (or equivalent experience)
4+ years of dedicated experience administering Microsoft 365 in an enterprise environment.
Deep, practical knowledge of Microsoft Entra ID including conditional access, app registrations, and enterprise applications.
Proven ability to troubleshoot complex identity and authentication traffic.
Strong proficiency in PowerShell (specifically the Microsoft Graph module) for scripting and automation.
Understanding of Zero Trust security frameworks and enterprise governance principles.

Nice To Haves

Familiarity with compliance and security standards relevant to defense or discrete manufacturing sectors (e.g., NIST, CMMC).
Experience with Azure Landing Zones and basic cloud resource management.

Responsibilities

Comply with all BIW safety and security standards while working in environments that range from administrative offices to active manufacturing and shipboard areas.
Promote a culture of proactive safety awareness and accountability across the team.
Ensure safe workplace conditions and compliance with government and company safety standards.
Manage day-to-day administration of the M365 tenant, including Teams, Power Platform, Planner and SharePoint Advanced Management.
Troubleshoot and resolve user licensing conflicts, provisioning errors, and sync issues.
Conduct regular audits of M365 license utilization to ensure cost efficiency and proper alignment with enterprise agreements.
Serve as an escalation point for complex authentication failures, Entra MFA issues and SSO integrations.
Monitor, troubleshoot, and fine-tune Zero Trust Conditional Access policies to ensure secure but frictionless end-user access.
Operationalize and manage Privileged Identity Management (PIM) requests and access reviews.
Maintain desktop baseline standards and ensure consistent deployment of M365 applications.
Utilize Microsoft Graph PowerShell to automate repetitive administrative tasks, bulk licensing assignments, and reporting.
Develop or assist in development of training materials to drive M365 adoption across the enterprise
Work with customers to understand and resolve day-to-day M365 application challenges
Serve as a technical resource to IT staff and other departments on M365 capabilities and best practices
Work with other IT teams to optimize M365 configurations, troubleshoot problems, and improve user experience.
Create and maintain detailed runbooks and standard operating procedures for service desk escalations.
Support technical architects in the development of IT roadmaps for M365 and related applications.
Identify and implement improvements to internal processes to increase automation, make use of appropriate AI tools, and accelerate deployment of M365 solutions