1,810,546open jobs
104,155companies
274,719added this week
Browse all
Salary
$126k – $180k per year
Location
In office (Roseville)
Seniority
Senior · 8+ years exp
Visa
H-1B filings in 12 months: 47 · green card filings: 16

Confirmed on the employer's own hiring board on Oct 17, 2026. First seen by Alion on Aug 21, 2026. Penumbra scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Penumbra is a medical device company that designs, manufactures and markets thrombectomy and embolization products for neurovascular and peripheral vascular conditions. Its portfolio includes the Indigo and Lightning computer-aided mechanical thrombectomy systems for removing blood clots, neurovascular aspiration catheters and embolization coils, with manufacturing in California and Costa Rica. The company is headquartered in Alameda, California, United States.

The Senior Systems Administrator is responsible for the administration, implementation, optimization, maintenance, and recovery of enterprise systems across on-premises and cloudbased 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.

Specific Duties and Responsibilities

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.
  • 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 members of the department follow the QMS, regulations, standards, and procedures.

General Responsibilities:

  • Collaborate with IT, business vendors, and support teams to maintain reliable infrastructure operations.
  • Communicate technical and complex information clearly, both verbally and in writing.
  • Perform other work-related duties as assigned.

Position Qualifications - Required:

  • 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 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.
  • 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.

Position Qualifications - Preferred:

  • Experience administering Linux systems; RHEL experience preferred.
  • Windows Server Hybrid Core Infrastructure and Advanced Services certification will be a plus

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: $126,000 - $180,000/ 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.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,810,546 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

DevOps
Similar stack
Same company
Roseville
$172k – $301k per year • Equity • Hybrid • Full-Time • 12+ years exp • Bachelor's Degree • San Diego
DevOps
GCP
Azure
CI/CD
GitOps
AWS
Kubernetes
Service Mesh
IAM
Management
ServiceNow
Apply
$191k – $334k per year • Equity • Hybrid • Full-Time • 12+ years exp • Bachelor's Degree • Santa Clara
DevOps
GCP
Azure
CI/CD
GitOps
AWS
Kubernetes
Service Mesh
IAM
Management
ServiceNow
Apply
$185k – $280k per year • In office • New York
Apply
≈ $113k – $219k per year (Estimated) • In office • 10+ years exp • Bachelor's Degree • Austin
Python
Java
DevOps
Splunk
Terraform
GCP
Azure
CI/CD
AWS
Kubernetes
SRE
Incident Management
DNS
Apply
≈ $113k – $219k per year (Estimated) • In office • 5+ years exp • Bachelor's Degree • Austin
Python
COBOL
COBOL
IBM MQ
Databases
RabbitMQ
InfluxDB
Apache Kafka
Google BigQuery
BigQuery
AI/ML
Anomaly Detection
DevOps
Splunk
ZooKeeper
Terraform
Ansible
GCP
Helm
GitHub Actions
Datadog
Prometheus
CI/CD
Kubernetes
Grafana
Configuration Management
Self-Healing
Google GKE
AIOps
Incident Management
Linux
Apply
IAM Specialist 2 days ago
≈ $35k – $60k per year (Estimated) • In office • 2+ years exp • Singapore
Python
Java
PowerShell
DevOps
Terraform
Azure
AWS
Bicep
IAM
Cybersecurity
Okta
CyberArk
GDPR
Zero Trust
Microsoft Entra ID
BeyondTrust
Active Directory
LDAP
Apply
≈ $9k – $18k per year (Estimated) • In office • Kuala Lumpur
DevOps
VMWare
Windows Server
DNS
DHCP
Cybersecurity
Active Directory
Apply
≈ $9.5k – $24k per year (Estimated) • In office • Kuala Lumpur
DevOps
VMWare
Windows Server
Windows
DNS
DHCP
Cybersecurity
Active Directory
Apply
$125k – $172k per year • Equity • In office • Bachelor's Degree • San Francisco
JavaScript
TypeScript
SQL
C#
C#
ASP.NET Core
Databases
MySQL
AI/ML
Copilot
Claude Code
Frontend
Vue.js
Angular
DevOps
Azure
AWS
Management
Agile
QA
Jest
Mocha
Apply
Network Engineer 2 days ago
≈ $29k – $57k per year (Estimated) • In office • 2+ years exp • Singapore
DevOps
VMWare
TCP/IP
DNS
DHCP
VPN
Cybersecurity
Zero Trust
SIEM
Apply
$127k – $200k per year • In office • 5+ years exp • Bachelor's Degree • Alameda
Cybersecurity
Microsoft Entra ID
Active Directory
Management
Power Automate
Power Apps
Microsoft Teams
OneDrive
SharePoint
Apply
IT Systems Engineer 2 months ago
$120k – $162k per year • In office • 10+ years exp • Bachelor's Degree • Alameda
Python
PowerShell
DevOps
Azure
Windows
DNS
DHCP
Cybersecurity
Microsoft Entra ID
Active Directory
Apply
$36k – $52k per year • In office • 1+ year exp • High School Diploma • Roseville
Management
Kanban
Apply
$36k – $52k per year • In office • 1+ year exp • High School Diploma • Roseville
Management
Kanban
Apply
$40k – $60k per year • In office • Contractor • 1+ year exp • Bachelor's Degree • Alameda
Apply
$54k per year • Remote (United States) • Full-Time • 3+ years exp • Roseville
Apply
Sales Associate 1 day ago
$32k – $44k per year • In office • Roseville
Apply
In office • Contractor • Roseville
Apply
$100k – $150k per year • In office • Full-Time • 5+ years exp • Bachelor's Degree • Sacramento • Roseville
Apply
$181k – $367k per year • In office • Full-Time • 15+ years exp • Bachelor's Degree • Roseville • Sunnyvale
Design
SolidWorks
Apply
See all jobs
This is one of many
1,810,546 more open roles from verified company boards, updated every day.