Staff System Engineer
Requirement Details:Job Title: Sr Staff Systems Engineer (Active Directory and Windows Server Administration)Location: San Jose (Onsite) Job Type: Full-Time (FTE) Salary: $170K – $180K Base + BenefitsJob SummaryWe are looking for a highly skilled and detail-oriented Active Directory & Windows Server Specialist to manage and secure enterprise-level directory services. The ideal candidate will have deep expertise in Microsoft Active Directory (on-prem), identity and access management, and Windows Server administration, with a strong focus on security, patching, and automation.Key ResponsibilitiesAdminister and support Microsoft Active Directory (2016/2019 and above) environments Perform AD upgrades and manage Read/Write and Read-Only Domain Controllers Configure and troubleshoot Group Policy Objects (GPOs) Manage authentication policies, silos, and gMSA (Group Managed Service Accounts) Work closely with DNS, DHCP, and other core AD-integrated services Monitor and troubleshoot authentication issues (Kerberos, NTLM, account lockouts) Conduct regular audits of AD objects, permissions, and group memberships Ensure security and integrity of the AD infrastructure Administer and maintain Windows Server environments (2016/2019+) Implement OS hardening, vulnerability management, and patch deployment Analyze security bulletins and prioritize patching based on risk Automate tasks using PowerShell scripting Maintain documentation for configurations, changes, and SOPs Required Skills & Experience10+ years of experience in Active Directory & Windows Server administration Strong expertise in: Active Directory architecture Kerberos, GPOs, DNS, DHCP Identity & Access Management (IAM) Hands-on experience with PowerShell scripting Strong troubleshooting and analytical skills Good communication (written & verbal) Preferred SkillsExperience with Microsoft 365 (O365 environment) Knowledge of hybrid identity and security best practices EducationBachelor’s Degree in Engineering (Computer Science / IT / Electronics) – Mandatory