Senior IT Systems Administrator - Windows & Infra

Premier Global Links LLC; Ayer (MA); On-site; USD 110,000 - 120,000; Full time

Benefits offered by this job

Health insurance

401(k) with company match

Paid time off and holidays

Professional growth and advancement op

Employee discount programs

Job summary

Premier Global Links LLC in Massachusetts seeks a Senior Systems Administrator to support enterprise IT infrastructure for a pharmaceutical organization in Ayer. The role provides senior technical leadership across Windows, identity and access management, endpoint administration, cybersecurity, backup and DR.

You will collaborate with IT teams, coordinate with vendors and managed service providers, and mentor junior staff while driving infrastructure projects and compliance initiatives.

Qualifications

• 8–10+ years of systems administration experience with senior-level enterprise responsibility.
• Strong experience with Windows Server, virtualization, and networking.
• Experience with Active Directory, Entra ID, Intune, Teams, and SharePoint.

Responsibilities

• Administer and support Windows Server, virtualization platforms, and network infrastructure.
• Manage Active Directory, Microsoft Entra ID, Intune, Microsoft Teams, and SharePoint.
• Provide Tier 3 technical support and resolve complex infrastructure and application issues.
• Manage enterprise backup, disaster recovery, and data protection systems.
• Maintain system patching, firmware, software updates, and endpoint compliance.
• Support network upgrades, migrations, cybersecurity initiatives, and infrastructure modernization projects.
• Manage user accounts, access permissions, privileged access controls, and security policies.
• Maintain technical documentation and support IT audit and compliance requirements.
• Support business applications and coordinate technical escalations with vendors.
• Coordinate managed-service providers and technology vendors.
• Administer physical security systems, including cameras and access control.
• Mentor and provide technical guidance to Systems Administrators and other IT personnel.
• Support employee training and provide assistance with company IT systems.
• Participate in planned maintenance, system changes, project cutovers, and critical incident response.

Skills

Windows Server

Virtualization

Networking

Active Directory

Microsoft Entra ID

Intune

Microsoft Teams

SharePoint

Backup & DR

Security policies

Troubleshooting

Documentation

Vendor coordination

Education

Bachelor's degree in IT/CS or related field

Tools

PowerShell

VMware

Hyper-V

Backup software

Job description

Premier Global Links LLC in Massachusetts seeks a Senior Systems Administrator to support enterprise IT infrastructure for a pharmaceutical organization in Ayer. The role provides senior technical leadership across Windows, identity and access management, endpoint administration, cybersecurity, backup and DR.

You will collaborate with IT teams, coordinate with vendors and managed service providers, and mentor junior staff while driving infrastructure projects and compliance initiatives.