Posted 2 months ago
IAM Expert – Active Directory (AD)
@ Querentia Inc.
Mirabel, Quebec
Overview
Querentia Inc. is hiring a contract IAM Expert for Active Directory to design, operate and secure the Canada site's AD infrastructure, including trust relationships and GreenZone AD creation. The work covers troubleshooting, security hardening, identity lifecycle support and Level 3 incident support.
Responsibilities:
- Design, implement and operate Active Directory services
- Manage AD trust relationships between domains and forests
- Support GreenZone Active Directory creation and deployment
- Perform AD health checks, troubleshooting and Level 3 support
- Harden AD security and support disaster recovery planning
Requirements summary:
- 5+ years of Microsoft Active Directory Domain Services expertise
- Experience with forest and domain trusts
- Knowledge of DNS, Group Policy and AD replication
- PowerShell scripting for AD administration
- Bachelor's degree or equivalent professional experience
Tools & skills
Source and dates
Source type not verified · jsonld
- Employer posting date
- 2026-09-01
- First seen by our source
- 2026-10-26
- Source record updated
- 2026-11-05
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Senior |
| Department | IT |
| Experience | 5+ years |
| Travel | air: none · ground: none |
| Work setting | Office |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Education | Bachelor’s degree (required) |
| Fields of study | Information Technology, Computer Science, Cybersecurity |
Summary and details written by AI from the posting; the employer’s posting is the authority.
Querentia Inc.
| Field | Value |
|---|---|
| Open jobs on Jobsy | 331 |
IAM Expert - Active Directory (AD)
Role Overview
The IAM Expert - Active Directory (AD) is responsible for providing advanced expertise in Microsoft Active Directory services, supporting identity and access management initiatives, and ensuring the secure and efficient operation of AD infrastructure.
The role focuses on supporting the Canada site through the implementation, management, and governance of Active Directory trust relationships and GreenZone Active Directory creation activities.
The position requires strong technical knowledge of enterprise Active Directory environments, cross-domain trusts, security best practices, and collaboration with infrastructure, security, and application teams.
Key Responsibilities
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Lead and support Active Directory (AD) design, implementation, and operational activities.
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Manage and maintain AD trust relationships between domains and forests.
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Support GreenZone Active Directory creation, configuration, and deployment activities.
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Ensure compliance with IAM standards, security policies, and governance requirements.
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Perform AD health checks, troubleshooting, performance tuning, and root cause analysis.
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Review and implement security hardening measures for Active Directory environments.
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Support identity lifecycle management and access control processes.
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Collaborate with infrastructure, cybersecurity, and application teams during migration and integration projects.
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Develop and maintain technical documentation, operational procedures, and architecture diagrams.
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Participate in change management, risk assessment, and audit activities related to Active Directory.
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Provide Level 3 support for complex AD-related incidents and service requests.
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Monitor AD services and proactively address potential issues impacting availability or security.
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Support disaster recovery and business continuity planning for Active Directory services.
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Contribute to continuous improvement initiatives and modernization of IAM and directory services.
Required Skills & Experience
Technical Skills
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5+ years of strong expertise in Microsoft Active Directory Domain Services (AD DS).
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Experience with Active Directory Forest and Domain Trusts .
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Knowledge of:
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Active Directory Sites and Services
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DNS
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Group Policy (GPO)
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AD replication mechanisms
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Experience creating and managing secure AD environments, including GreenZone or segregated security environments .
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Strong understanding of Identity and Access Management (IAM) principles.
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Experience with PowerShell scripting and automation of AD administration tasks.
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Understanding of authentication and authorization protocols:
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Kerberos
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LDAP/LDAPS
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NTLM
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SAML
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OAuth/OpenID Connect - preferred
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Experience with Microsoft Entra ID (Azure AD) integration is an advantage.
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Knowledge of security best practices for privileged access management and directory security.
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Familiarity with Active Directory migration, consolidation, and transformation projects.
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Experience with operational support and continuous improvement of directory services.
Qualifications
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Bachelor's degree in Information Technology, Computer Science, Cybersecurity , or a related field, or equivalent professional experience.
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Relevant Microsoft certifications are preferred, including:
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Microsoft Certified: Identity and Access Administrator Associate
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Windows Server Administration certifications
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Security or IAM-related certifications
Journal
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