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Senior Active Directory and Certificate Services Specialist required for the design, implementation, and testing of an upgraded Active Directory Certificat

4 weeks ago


Toronto Ontario CA, Ontario S.i. Systems Full time

Our Mississauga based, Utilities client requires the services of a Senior Active Directory and Certificate Services Specialist who will be responsible for the design, implementation, and testing of an upgraded Active Directory Certificate Services (AD CS) and Active Directory Domain Services (AD DS) infrastructure.


ROLE:


As an Active Directory and Certificate Services Specialist, you will be responsible for the design, implementation, and testing of an upgraded Active Directory Certificate Services (AD CS) and Active Directory Domain Services (AD DS) infrastructure. In addition, you will also be responsible for planning and executing Active Directory consolidations. This role requires a deep understanding of Active Directory and Certificate Services, in addition to strong communication skills.


Responsibilities:

• Design and implement updated AD CS infrastructure on new servers and updated Windows Server operating systems

• Strategize and update signature algorithm on root certificate authority

• Update and design resilient certificate template configuration including CRL, OCSP, AIA

• Account for and mitigate impacts to web applications throughout upgrade process

• Design and implement updated AD DS infrastructure on new servers and updated Windows Server operating systems

• Plan and perform Active Directory server transition, considering any schema and forest/functional level upgrades while managing all associated downstream impacts

• Plan and execute Active Directory consolidations, including domain migrations, forest consolidations, and restructuring.

• Lead testing and validation of both Certificate Services and Active Directory infrastructure

• Administer and support Active Directory infrastructure, including user and group management, Group Policy, and security settings.


MUST HAVE:


• Bachelor's degree in Computer Science, Information Technology, or a related field.

• Minimum of 5 years of experience as a Windows System Administrator

Extensive experience with Active Directory Domain Services and Certificate Services.

• Proven experience performing AD consolidations, including domain and forest migrations.


NICE TO HAVE:


• Relevant certifications such as Microsoft Certified: Windows Server Hybrid Administrator Associate, Microsoft Certified: Identity and Access Administrator Associate, or similar.

• Experience with PowerShell scripting and automation.

• Familiarity with cloud identity platforms such as Entra ID or Okta

Apply