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Sr IT System Administrator - App & Collaboration

Job in Alameda, Alameda County, California, 94501, USA
Listing for: Penumbra, Inc.
Full Time position
Listed on 2026-09-21
Job specializations:
  • IT/Tech
    Systems Administrator
Salary/Wage Range or Industry Benchmark: 127000 - 200000 USD Yearly USD 127000.00 200000.00 YEAR
Job Description & How to Apply Below

As part of the Workplace Technology Engineering team, the Sr IT System Admin - App and Collaboration Platform, is responsible for the administration, configuration, maintenance, security, and operational reliability of the Company’s enterprise collaboration platforms and related applications.

This role serves as a senior escalation resource for Microsoft 365 and other assigned collaboration technologies, manages platform configurations and access, monitors service health, resolves complex operational issues, and implements approved changes and enhancements.

This position partners with IT engineering, security, compliance, business stakeholders, and vendors to maintain reliable, secure, and well-documented services.

The role may also maintain existing workflows, scripts, and integrations and identify opportunities for operational improvement.

Specific Duties and Responsibilities
  • Administer and maintain assigned Microsoft 365 services, including SharePoint Online, Microsoft Teams, One Drive, Exchange Online, Power Apps, and Power Automate.
  • Configure platform settings, administrative policies, permissions, security groups, and role-based access in accordance with approved IT and security standards.
  • Monitor platform health, service availability, capacity, system alerts, and vendor notifications; coordinate and execute appropriate operational responses.
  • Serve as a senior escalation resource for incidents and service requests involving collaboration platforms and related applications.
  • Troubleshoot complex configuration, access, performance, synchronization, and application integration issues, document findings, and resolutions.
  • Perform routine platform maintenance, upgrades, release validation, and administrative changes through established change-management processes.
  • Administer collaboration tools such as Microsoft Teams and Zoom and support approved department portals and intranet environments.
  • Manage user lifecycle activities and access changes for assigned platforms, including onboarding, offboarding, transfers, and role changes, in accordance with approved controls.
  • Maintain and support existing workflows, scripts, connectors, and low-code automations; troubleshoot failures and implement approved modifications.
  • Implement technical designs, configurations, and automation solutions developed or approved by IT engineering, security, or platform leadership.
  • Maintain accurate system documentation, inventories, configuration records, standard operating procedures, support guides, and recovery procedures.
  • Support software license administration by monitoring allocation, usage, renewals, and compliance, and by providing data to support vendor and cost-management decisions.
  • Partner with Security, Compliance, and Quality teams to execute required controls, access reviews, evidence collection, and scheduled administrative activities.
  • Coordinate with vendors and internal technical teams to investigate service issues, track resolutions, and implement approved platform changes.
  • Identify recurring incidents, administrative inefficiencies, and service risks and recommend operational improvements.
  • Develop support procedures and provide technical guidance or training to Client Support and other IT staff.
  • Participate in testing and validation activities for platform changes, new features, integrations, and releases.
  • Provide after-hour and on-call support on a rotating basis and assist with critical incident response.
  • Adhere to the Company’s Quality Management System (QMS) as well as domestic and global quality system regulations, standards, and procedures.
  • Understand relevant security, privacy, and compliance principles and adhere to the regulations, standards, and procedures that are applicable to the Company.
  • Ensure other…
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