Systems Administrator Kent, WA

Systems Administrator

Robert Half is seeking an experienced Systems Administrator to support a client in the manufacturing industry with a critical Active Directory hardening initiative. This role will be heavily focused on the administration, security, and hardening of the organization's on-premises Active Directory environment.

The ideal candidate will bring deep, hands-on Active Directory expertise, particularly with Active Directory Certificate Services (ADCS/PKI) and Kerberos configuration. This position will primarily support project-based Active Directory initiatives rather than general day-to-day systems administration.

Duration: 2–4-month contract; potential to extend

Location:

Kent, WA – 100% Onsite

Schedule:

Monday–Friday, Core Business Hours

Responsibilities

• Support the administration, maintenance, and hardening of the on-premises Active Directory environment.
• Execute Active Directory security and hardening initiatives to strengthen the organization's infrastructure.
• Configure, administer, and troubleshoot Active Directory Certificate Services (ADCS) and PKI.
• Configure and troubleshoot Kerberos authentication within the Active Directory environment.
• Identify and remediate Active Directory security vulnerabilities and configuration issues.
• Troubleshoot and resolve complex Active Directory-related issues and tickets.
• Support upcoming projects and initiatives related to Active Directory hardening, authentication, and security.
• Maintain and support the organization's Microsoft-based infrastructure.
• Assist with Microsoft 365 administration and troubleshooting as needed.
• Support Active Directory changes associated with employee onboarding, offboarding, and account modifications.
• Partner with internal technical teams to ensure Active Directory configurations align with security and infrastructure best practices.