Lead administration, optimization, maintenance, and recovery of on-premises and cloud enterprise systems. Support Azure, Microsoft 365, Windows and Linux servers, SAN/NAS storage, virtualization, backup/recovery, PKI, and ERP/integration platforms. Drive troubleshooting, automation (IaC), capacity planning, security/governance, documentation, vendor coordination, and on-call rotation.
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.
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
• 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.
• 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.
• 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.
What We Offer
• A collaborative teamwork environment where learning is constant, and performance is rewarded.
• The opportunity to be part of the team that is revolutionizing the treatment of some of the world's most devastating diseases.
• A generous benefits package for eligible employees that includes medical, dental, vision, life, AD&D, short and long-term disability insurance, 401(k) with employer match, paid parental leave, eleven paid company holidays per year, a minimum of fifteen days of accrued vacation per year, which increases with tenure, and paid sick time in compliance with applicable law(s).
Penumbra, Inc., headquartered in Alameda, California, is a global healthcare company focused on innovative therapies. Penumbra designs, develops, manufactures, and markets novel products and has a broad portfolio that addresses challenging medical conditions in markets with significant unmet need. Penumbra sells its products to hospitals and healthcare providers primarily through its direct sales organization in the United States, most of Europe, Canada, and Australia, and through distributors in select international markets. The Penumbra logo is a trademark of Penumbra, Inc.
Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, age, disability, military or veteran status, or any other characteristic protected by federal, state, or local laws.
If you reside in the State of California, please also refer to Penumbra's Privacy Notice for California Residents.
For additional information on Penumbra’s commitment to being an equal opportunity employer, please see Penumbra's AAP Policy Statement.
Penumbra Alameda, California, USA Office
Alameda, CA, United States, 94502
Similar Jobs
Cloud • Information Technology • Machine Learning
Owner of day-to-day administration and support of NetSuite and adjacent finance systems. Manage configurations, integrations, master data, SOX controls, incident triage, UAT, releases, and automation projects to improve finance processes and system reliability across a global multi-subsidiary environment.
Top Skills:
AvalaraCharted (Squareworks)ChatgptConfluenceCostarCoupaFastpathFloqastJIRAKyribaMicrosoft CopilotNetSuiteOktaOpalRampSuiteqlSuitescriptWorkato
Aerospace • Hardware • Robotics • Software • Manufacturing
Own and operate Relativity's Linux and Windows infrastructure supporting manufacturing and engineering. Deploy, configure, automate, and maintain production systems on-prem and in cloud (Azure/GCP). Support AD, DNS, DHCP, enterprise backups (Veeam/Commvault/Rubrik), ensure uptime and AS9100 compliance, troubleshoot network/system boundaries, mentor junior admins, and collaborate with senior engineers to operationalize designs and automate administration.
Top Skills:
Active DirectoryAnsibleAzureBashCommvaultDhcpDnsGCPLinuxNetworkingPowershellPuppetPythonRubrikTerraformVeeamVirtualizationWindows
Cloud • Information Technology • Machine Learning
Own administration, optimization, and scalability of Salesforce and GTM systems supporting Sales, Marketing, Customer Success, and Revenue Operations. Design and implement declarative automations, manage security and integrations (Okta, SSO), support complex revenue processes, participate in M&A system integrations, and drive user adoption and operational efficiency.
Top Skills:
ApexAPIsCopadoGearsetGongLinkedin Sales NavigatorOktaOutreachSalesforceSalesforce FlowsSOQLSsoZoominfo
What you need to know about the San Francisco Tech Scene
San Francisco and the surrounding Bay Area attracts more startup funding than any other region in the world. Home to Stanford University and UC Berkeley, leading VC firms and several of the world’s most valuable companies, the Bay Area is the place to go for anyone looking to make it big in the tech industry. That said, San Francisco has a lot to offer beyond technology thanks to a thriving art and music scene, excellent food and a short drive to several of the country’s most beautiful recreational areas.
Key Facts About San Francisco Tech
- Number of Tech Workers: 365,500; 13.9% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Google, Apple, Salesforce, Meta
- Key Industries: Artificial intelligence, cloud computing, fintech, consumer technology, software
- Funding Landscape: $50.5 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Sequoia Capital, Andreessen Horowitz, Bessemer Venture Partners, Greylock Partners, Khosla Ventures, Kleiner Perkins
- Research Centers and Universities: Stanford University; University of California, Berkeley; University of San Francisco; Santa Clara University; Ames Research Center; Center for AI Safety; California Institute for Regenerative Medicine


