Senior Systems Engineer

Description

We are looking for an experienced Senior Systems Engineer to support and enhance a secure enterprise technology environment in Framingham, Massachusetts. This role focuses on maintaining reliable infrastructure across cloud and on-premises platforms while strengthening identity, endpoint, and server operations. The ideal candidate brings deep Microsoft ecosystem expertise, sound engineering judgment, and a track record of delivering well-documented technical solutions in regulated settings.

Responsibilities:
Administer and optimize enterprise platforms across Microsoft 365, Azure, Entra ID, Active Directory, Intune, Microsoft Defender, and Windows Server environments.
Manage hybrid infrastructure operations spanning cloud services and on-premises systems to ensure stability, performance, and secure access.
Support endpoint and server management for Windows 10 and Windows 11 devices, applying configuration standards, policy controls, and lifecycle best practices.
Troubleshoot complex infrastructure, identity, and collaboration issues, driving timely resolution and minimizing operational disruption.
Lead or contribute to technical projects that improve core infrastructure services, strengthen security controls, and modernize enterprise systems.
Create and maintain clear technical documentation, including system configurations, operational procedures, and implementation records.
Partner with security and IT stakeholders to uphold compliance expectations and support environments with elevated regulatory or security requirements.
Assist with change management activities and planned infrastructure updates, ensuring changes are assessed, documented, and executed with minimal risk.

Requirements

7+ years of hands-on experience in enterprise systems engineering and infrastructure support.
Strong expertise with Microsoft 365, Azure, Entra ID or Active Directory, Intune, Microsoft Defender, Windows Server, and Windows 10/11 administration.
Proven experience supporting both on-premises and cloud-based environments, including hybrid identity solutions and collaboration platforms.
Demonstrated ability to diagnose technical issues, deliver infrastructure projects, and produce thorough technical documentation.
Background working in regulated, compliance-driven, or security-sensitive environments.
Familiarity with virtualization and networking concepts such as Hyper-V, firewalls, routing, switching, VLANs, VPNs, and wireless infrastructure.
Experience with tools and platforms such as Citrix, Microsoft Exchange, Fortinet technologies, or AWS GovCloud is preferred.
Security-focused certifications such as Security+, Azure Security Engineer, or similar credentials are a plus.

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