Skip to main content
TryApplyNow
Penumbrainc logo

Senior Systems Administrator

Penumbrainc
Full Timesenior
Alameda, CAPosted 6 days ago

Role Overview

Penumbrainc is hiring a Senior Systems Administrator. This is a full-time role in Alameda. Part of Penumbrainc's Security hiring, posted 6 days ago. Full responsibilities, required qualifications, and the apply link are listed in the description below.

Salary Context

Salary is not disclosed in this posting. Market median for Senior-level Security roles is $130k-$160k (based on 24 comparable listings). Many employers share specifics during the interview process or after an initial screen.

Resume Keywords to Include

Make sure these keywords appear in your resume to improve ATS scoring

AzureLinuxDevOpsSAPERPORCompensationBenefits

Job description

As a Senior Systems Administrator at Penumbra, you will play a critical role in determining the company's long term goals. You will be responsible for the administration, implementation, optimization, maintenance, and recovery of enterprise systems across on-premises and cloud-based environments. This role serves as a subject matter expert for complex operating systems and core infrastructure services, supporting system availability, performance, security, and scalability.

Working as part of an international support team, the Sr. System Administrator recommends and implements improvements to infrastructure systems, operating platforms, and related applications. Systems supported may include Microsoft Azure IaaS, PaaS, Microsoft Office 365, EntraID, MFA, Information Protection, Active Directory, MS Windows Server, Linux Server OS, SAN/NAS storage, enterprise backup platforms, and related infrastructure technologies. The role may also support infrastructure configurations related to ERP and integration platforms, including SAP and Dell Boomi.

What You’ll Work On

Infrastructure & Platform Ownership:

  • Manages the day-to-day operations of infrastructure hardware and software, including system performance, configuration, maintenance, patching, and repair.
  • Administer, maintain, and optimize enterprise systems across on-premises and cloud environments.
  • Apply revisions to host system firmware and software. Works with vendors to assist support activities.
  • Support core infrastructure services, including Active Directory, DNS, DHCP, Microsoft PKI, Microsoft Entra ID, Group Policy, SCCM, Intune, Bitlocker, Key Management, Privileged Identity Management, Log Analytics, and Digital Rights Management
  • Manage and support SAN/NAS storage infrastructure to ensure high availability, performance, capacity, and scalability.
  • Maintain enterprise backup and recovery systems, including procedures, documentation, and restoration processes for host operating systems, and host-based applications.
  • Support Microsoft Azure lasS/PaaS, Microsoft 365, Windows Server, Linux Server, and related infrastructure platforms.
  • Perform system health monitoring, capacity planning, lifecycle management, patching, and firmware/software updates.
  • Support virtualization platforms, including Hyper-V and VMware.
  • Provide after hours on call support on a rotation schedule with other staff members

Troubleshooting, Automation & Continuous Improvement:

  • Lead troubleshooting and root-cause analysis for complex infrastructure issues, working with vendors and internal support teams as needed.
  • Develop and maintain infrastructure automation capabilities to improve service delivery, operational efficiency, and business continuity.
  • Create tools, procedures, and documentation to support Client Support, Applications Development, and other internal teams.
  • Recommend system redesigns, configuration changes, and technology improvements to strengthen performance, reliability, security, and scalability.
  • Stay current with developments in systems administration, infrastructure automation, cloud services, and enterprise security technologies.

Security, Compliance & Governance:

  • Enforce established procedures and governance policies to maintain security and protect infrastructure from unauthorized access, misuse, and service disruption.
  • Understand and apply relevant security, privacy, compliance, and quality principles in accordance with Company policies and applicable regulations.
  • Maintains procedures, programs, and documentation for backup and restoration of host operating systems and host-based applications.

What You Contribute

  • A Bachelor’s degree in Engineering, Computer Science, Information Technology, or a related field with 8+ years of enterprise-level systems administration and/or engineering experience; or an equivalent combination of education and experience.
  • 8+ years of experience supporting Microsoft Technologies, including Windows Server, Active Directory/Entra ID, ADFS, DNS, DHCP, PowerShell, Intune, and SCCM/SCOM.
  • 5+ years of experience supporting Microsoft Azure laaS/PaaS and Microsoft 365 services, including Exchange Online, OneDrive, SharePoint, Microsoft Teams, etc.
  • Experience administering Linux systems; RHEL experience preferred.
  • Experience supporting SAN/NAS storage environments.
  • Experience with enterprise backup and recovery procedures.
  • Strong troubleshooting and problem-solving skills in Windows operating systems and TCP/IP networking.
  • Experience deploying, configuring, and maintaining on-premises virtualization platforms, including Hyper-V and VMware.
  • Experience installing, configuring, and maintaining PKI or similar certificate management tools.
  • Experience automating infrastructure provisioning (IaC) and configuration management.
  • Experience onboarding applications for SSO, with a strong understanding of SAML and OpenID protocols.
  • Windows Server Hybrid Core Infrastructure and Advanced Services certification will be a plus
  • Azure Solutions Architect Expert certification or equivalent experience.
  • Experience administering ERP and integration platforms, such as SAP and Dell Boomi.
  • Experience with Cisco UCS and other network hardware administration.
  • DevOps experience in configuration management and infrastructure automation.
  • Ability to plan, organize, and document complex system design activities and configure systems in alignment with institutional policies and procedures.
  • Ability to manage multiple priorities, handle concurrent projects, and respond effectively to urgent or complex operational issues.
  • High degree of accuracy, attention to detail, and organizational skill.

Working Conditions

General office environment. Willingness and ability to work on site. Requires some lifting and moving of up to 10 pounds. Must be able to move between buildings and floors. Must be able to remain stationary and use a computer or other standard office equipment, such as a printer or copy machine, for an extensive period of time each day. Must be able to read, prepare emails, and produce documents and spreadsheets. Must be able to move within the office and access file cabinets or supplies, as needed. Must be able to communicate and exchange accurate information with employees at all levels on a daily basis.

Annual Base Salary Range:  $140,000 - $200,000/ year

We offer a competitive compensation package plus a benefits and equity program, when applicable.

Individual total compensation will vary based on factors such as qualifications, skill level, competencies, and work location.

About Penumbrainc

Penumbrainc logo

Penumbrainc

SecurityOn-site

35 other open roles at Penumbrainc on TryApplyNow.

Frequently Asked Questions

How do I apply for the Senior Systems Administrator position at Penumbrainc?

Use the Apply button above to submit your application directly to Penumbrainc. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

Where is the Senior Systems Administrator position at Penumbrainc located?

This position is based in Alameda. Penumbrainc has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.

What does a Senior Systems Administrator at Penumbrainc earn?

Penumbrainc has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.

When was the Senior Systems Administrator role at Penumbrainc posted?

This role was posted on July 3, 2026 (6 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.

How much experience does the Senior Systems Administrator role at Penumbrainc require?

This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. Penumbrainc lists their specific requirements in the description below, so review the must-have qualifications closely before applying.

AI-powered job search

Get every job scored to your resume

Upload your resume and get jobs ranked, your resume tailored, and employee contacts found automatically.

Get started free

No credit card to start