Senior Systems Administrator - Hybrid Cloud & On-Prem

Penumbra, Inc.; Roseville (CA); On-site; USD 120,000 - 160,000; Full time

Job summary

Penumbra, Inc. is seeking a Senior Systems Administrator to support enterprise systems across on-premises and cloud environments. The role focuses on system availability, performance, security, and scalability with expertise in Windows, Linux, and cloud services.

You will work with an international team to implement improvements across infrastructure and related applications, including SAP and ERP integration considerations. on-call rotation is required.

Qualifications

• Senior Systems Administrator with enterprise scope across on-prem and cloud.
• Experience supporting Windows Server, Linux, and hybrid environments.
• Familiarity with Azure IaaS, PaaS, Microsoft 365, Entra ID and MFA.

Responsibilities

• Manage day-to-day operations of infrastructure hardware and software.
• Administer, maintain, and optimize enterprise systems across on-prem and cloud.
• Support core services: Active Directory, DNS, DHCP, PKI, Entra ID, Group Policy.
• Maintain SAN/NAS storage, backups, and recovery procedures.
• Provide after-hours on-call support on rotation.
• Lead troubleshooting and drive automation improvements.
• Stay current with security, cloud, and infrastructure technologies.

Skills

Infrastructure management

Azure IaaS/PaaS

Active Directory

VMware

Hyper-V

Office 365

Intune

Backup & recovery

Security governance

SCCM

DNS/DHCP

Tools

SCCM

Intune

Microsoft Entra ID

BitLocker

Log Analytics

Privileged Identity Management

Job description

Penumbra, Inc. is seeking a Senior Systems Administrator to support enterprise systems across on-premises and cloud environments. The role focuses on system availability, performance, security, and scalability with expertise in Windows, Linux, and cloud services.

You will work with an international team to implement improvements across infrastructure and related applications, including SAP and ERP integration considerations. on-call rotation is required.