Senior Active Directory & Windows Server Engineer

Saicon; San Jose (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

Saicon in San Jose, CA is seeking a skilled, detail-oriented specialist to manage and secure an Active Directory environment and Windows server administration, including OS hardening and vulnerability/patch management.

Candidates should have deep AD architecture knowledge, identity and access management, and the ability to secure directory services against evolving threats. Proficiency in PowerShell for automation and strong troubleshooting skills are essential.

Qualifications

• 15 years of experience in support of Active Directory and Windows Server environments.
• In-depth knowledge of Active Directory, Kerberos, GPOs, DNS, and DHCP.
• Strong understanding of Windows Server administration and hybrid identity security practices.

Responsibilities

• Provide day-to-day administration and support of Microsoft Active Directory environments (version 2016/209 and above).
• Version upgrade of Windows Active Directory. Setting up Read/Write and Read only domain controllers.
• Maintain and troubleshoot Group Policy Objects (GPOs) for secure and consistent configurations.
• Setup and manage authentication Policies / Silos, gMSA.
• Work with DNS, DHCP, and other core services closely integrated with AD.
• Perform regular audits and cleanup of AD objects to maintain security and efficiency.
• Monitor and troubleshoot authentication issues including Kerberos, NTLM, and account lockouts.
• Ensure the security and integrity of the Active Directory infrastructure.
• Conduct regular audits of AD objects, group memberships, and permissions to identify and remediate misconfigurations or security risks.
• Administer and maintain Windows Server environments. Implement and maintain security hardening across Windows Servers (version 2016/1029 and above).
• Analyze security bulletins, prioritize patches based on risk, and deploy patches.
• Document changes, configurations, and SOPs.
• Proficiency in PowerShell or other scripting languages for task automation.

Skills

Active Directory administration

PowerShell scripting

Windows Server administration

Security hardening

Education

Engineering degree (Computers/Electronics)

Tools

PowerShell

Job description

Saicon in San Jose, CA is seeking a skilled, detail-oriented specialist to manage and secure an Active Directory environment and Windows server administration, including OS hardening and vulnerability/patch management.

Candidates should have deep AD architecture knowledge, identity and access management, and the ability to secure directory services against evolving threats. Proficiency in PowerShell for automation and strong troubleshooting skills are essential.