Senior Systems Administrator – Enterprise Infrastructure

Confidential Recruiting Partners

Ayer, Massachusetts, United StatesUp to $115,000Full-timePosted 1h ago

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Our client is seeking a Senior Systems Administrator to provide technical leadership and oversee enterprise IT infrastructure across multiple Massachusetts locations. This full‑time, onsite role supports mission‑critical systems, compliance activities, and multi‑site operations in a highly regulated environment.

Onsite | No Visa Sponsorship | No Relocation Assistance

Work Schedule: Monday-Friday (Occasional planned after‑hours work for maintenance, outages, and project cutovers)

Please Note: Travel is required between Ayer, Devens, Brockton, and other Massachusetts sites; so local candidates are strongly preferred

Responsibilities:

  • Technical Leadership: Mentor Systems Administrators and provide technical guidance to IT staff.
  • End‑User Support: Train employees on IT systems and support user adoption of enterprise technologies.
  • Documentation & Audit Readiness: Maintain technical documentation and support audit‑readiness activities.
  • Tier 3 Escalation: Provide advanced troubleshooting for complex infrastructure, networking, and application issues.
  • Physical Security Systems: Administer camera systems, access control, and related physical security technologies.
  • Patching & Compliance: Maintain patching, firmware updates, and endpoint compliance across servers and devices.
  • Infrastructure Modernization: Support upgrades, migrations, cybersecurity initiatives, and modernization of IT systems.
  • Security & Access Control: Manage privileged access, security policies, audit documentation, and compliance controls.
  • Application Support: Support business applications and coordinate escalations with vendors and managed‑service providers.
  • Backup & Disaster Recovery: Operate enterprise backup systems, disaster‑recovery plans, and data‑protection technologies.
  • Identity & Collaboration Systems: Manage Active Directory/Entra ID, Intune, Microsoft Teams, and SharePoint across the enterprise.
  • Windows Server & Virtualization: Administer and maintain Windows Server environments, virtualization platforms, and core infrastructure services.

Qualifications (Must-Haves)

  • Hands‑on experience with enterprise backup and disaster‑recovery solutions.
  • Strong experience with Active Directory/Entra ID, Intune, Teams, and SharePoint.
  • Associate's or Bachelor's degree in Information Technology or equivalent experience.
  • 8–10+ years of senior‑level systems administration experience in enterprise environments.
  • Advanced experience with Windows Server, virtualization, and networking infrastructure.
  • Experience supporting regulated environments (life sciences, biotech, medical device, or similar) preferred.

Preferred Skills:

  • Experience in multi‑site enterprise environments or MSPs supporting multiple locations.
  • Demonstrated ability to coordinate vendors, managed‑service providers, and cross‑functional teams.
  • Familiarity with compliance‑driven IT operations, audit documentation, and change‑management processes.

Benefits & Perks:

  • Paid Time Off
  • Paid Holidays
  • Annual performance bonus
  • Medical, Dental, and Vision
  • 401(k) with company match
  • Employee discount programs
  • Professional development and advancement opportunities

The average job posting receives 250 applications.

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Frequently asked questions

Who is hiring for Senior Systems Administrator – Enterprise Infrastructure at Confidential Recruiting Partners?+
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