Sr. Systems Administrator

Senior Systems Administrator

We are seeking a Senior Systems Administrator for a pharmaceutical company in Ayer, MA. This role provides technical leadership and oversees IT infrastructure and systems across multiple Massachusetts locations.

Responsibilities

• Manage and support Windows servers, virtualization platforms, and network infrastructure.
• Administer Active Directory/Entra ID, Intune, Microsoft Teams, and SharePoint.
• Provide Tier 3 technical support and troubleshoot complex infrastructure and application issues.
• Manage enterprise backup, disaster recovery, and data protection systems.
• Maintain patching, firmware, software updates, and endpoint compliance.
• Support network upgrades, migrations, cybersecurity initiatives, and infrastructure modernization projects.
• Manage user access, privileged access controls, security policies, and audit documentation.
• Support business applications and coordinate troubleshooting and escalations with vendors.
• Coordinate managed-service providers and technology vendors.
• Administer physical security systems, including cameras and access control.
• Maintain technical documentation and support compliance and audit-readiness activities.
• Mentor and provide technical guidance to other Systems Administrators.
• Support and train employees on company IT systems.
• Schedule: This is a full time position, Mon-Fri. Some planned after-hours work may be required for critical outages, maintenance, system changes, and project cutovers.
• Other: Travel as needed between Ayer, Devens, Brockton, and other Massachusetts locations.

MUST HAVE:

• Associate’s or Bachelor’s degree in Information Technology or equivalent experience
• 8–10+ years of systems administration experience, including senior-level responsibility for enterprise IT infrastructure
• Advanced experience with Windows Server, virtualization, and networking infrastructure
• Strong experience with Active Directory/Entra ID, Intune, Teams, and SharePoint administration