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IT - Sr Staff Systems Engineer (Active Directory, Powershell, and Windows/O365 Infrastructure Administration)

SAN JOSE💼 Full-time💰 $136,500–$136,500🗓 2026-06-12 → 2026-07-30

Core

Manage and secure Cadence's Active Directory environment, Windows server administration, and identity/access management to protect against evolving threats.

Role type

Senior Staff Systems Engineer (Active Directory & Windows Infrastructure)

Builds

Secure and stable identity infrastructure for the organization

Domain

Enterprise IT / Windows Server / Identity Management

Deliverable

infrastructure

Required skills

Active Directory administration, Windows Server hardening, Group Policy Objects (GPO) management, PowerShell scripting, DNS/DHCP administration, Kerberos/NTLM troubleshooting, security auditing, patch management

Preferred skills

Microsoft O365 environment experience, hybrid identity environment knowledge

Technologies

Active Directory, Windows Server 2016+, PowerShell, DNS, DHCP, Kerberos, NTLM, O365

Responsibilities

Provide day-to-day administration and support of Microsoft Active Directory environments; Perform version upgrades of Windows Active Directory and configure domain controllers; Maintain and troubleshoot Group Policy Objects (GPOs); Setup and manage authentication Policies and gMSA; Monitor and troubleshoot authentication issues including Kerberos and account lockouts; Administer and maintain Windows Server environments with security hardening; Analyze security bulletins and deploy patches; Conduct regular audits of AD objects and permissions to remediate security risks.

Seniority

Senior Staff, hands-on IC

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