Senior Active Directory & Entra ID

ITConnect Sp. z o.o.; Warszawa; Hybrid; PLN 180,000 - 230,000; Full time

Job summary

ITConnect Sp. z o.o. seeks a senior identity and directory services engineer to manage Active Directory and Microsoft Entra ID environments.

You will own architecture, domain migrations, DNS/PKI, and certificate services while delivering automation via PowerShell and AI-assisted tooling. The role includes supporting identity-related incidents and coordinating with Jira and ServiceNow ticketing systems. Responsibilities include implementing integration strategies, supporting infrastructure

Qualifications

• Extensive experience with AD DS and Entra ID environments.

Responsibilities

• Own end-to-end AD and Entra ID architecture and improvements.

Skills

Active Directory

Entra ID

PowerShell

Automation

Identity & Access Management

L3 Support

Jira

ServiceNow

DNS

PKI

Certificate management

Domain migrations

Architecture decisions

Tools

Jira

ServiceNow

Job description

Manage and develop Active Directory and Microsoft Entra ID environments, supporting identity services, domain integrations, migrations, and infrastructure projects.

• Take end-to-end ownership of the Active Directory environment and its integration with Microsoft Entra ID, including architecture management and continuous improvement.
• Manage corporate domains and supporting infrastructure services, particularly DNS, PKI, and certificate services.
• Plan and execute domain migrations into and out of the organization, as well as domain consolidation and environment integration.
• Provide third-line technical support (L3) for identity, authentication, and access-related issues.
• Troubleshoot complex technical incidents and resolve escalations submitted through ServiceNow.
• Provide technical expertise for infrastructure projects, advise on technical solutions, and make key architectural decisions within the area of responsibility.
• Develop and maintain PowerShell scripts and automate administrative and operational tasks, including through the use of AI tools.
• Support security incident response and remediation activities related to identities, privileged access, certificates, and directory services.
• Participate in M&A activities, including the integration of acquired companies’ IT environments, tenant migrations, domain consolidation, and identity integration.
• Deliver technical project tasks, document solutions, and collaborate with infrastructure, security, and other IT teams.
• Manage project-related tasks and technical activities in Jira, alongside operational tickets in ServiceNow.
• Strong hands-on experience with Active Directory Domain Services (AD DS) and the administration of complex domain environments.
• Experience integrating and managing Active Directory and Microsoft Entra ID (formerly Azure AD) environments.
• Practical knowledge of DNS, PKI, and certificate management.
• Experience with domain migrations, environment consolidation, and directory services integration.
• Strong PowerShell skills and the ability to develop scripts that automate administrative tasks.
• Proven experience providing third-line support (L3) and troubleshooting complex technical issues.
• Strong diagnostic skills in identity, authentication, authorization, and access management.
• Experience working with ticketing systems, particularly Jira and ServiceNow.
• Ability to make technical decisions, analyze complex problems, and recommend appropriate architectural solutions.
• A high degree of autonomy, ownership, and accountability, combined with the ability to balance operational responsibilities with project work.