via indeed · 26 June 2026 ·3 days ago

AD Engineer and Administrator

Equans
London
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AD Engineer and Administrator

Offer ID:

86294
Job:

Project Managers / IT
Contract type:

Permanent
Country:

United Kingdom

  • EQUANS

Equans is a world leader in the energy and services sector, with annual revenues of nearly €19,2 billion\* and almost 800,000 projects.

Equans has leading positions in Europe, which is the result of the history of energy construction in these countries, and strong presences in North and South America and in Oceania.

With nearly 90,000 highly skilled employees, Equans has a strong geographic footprint, anchored by historic local brands. Equans provides its customers with excellent technical expertise in the design, installation, maintenance and operation of multi\-technical facilities. This know\-how is based on key skills. First of all, in electrical and thermal engineering \- two strong points that help accelerate the reduction of our clients' carbon footprint \- but also in ventilation, refrigeration, mechanics and robotics, fire protection, energy renovation, digital solutions, IT, cyber security and telecommunications.

The combination of these expertise allows us to offer efficient and optimised solutions at all stages of the energy chain, from production, storage and transport to usage.

*(\*) Turnover 2024**consolidated*

  • AD Engineer \& Administrator (F/M)

Summary of the role
  • Responsible for the design, implementation, and maintenance of the Active Directory (AD) environment, including domain controllers, replication, and Group Policy management.

  • Acts as a domain administratorfor the TES Forestand its child domains.

  • Ensures the stability, security, and efficiency of the AD infrastructurewhile aligning with organizational policies and compliance requirements.

  • Handles day\-to\-day operations, troubleshooting, and performance optimization of AD services.
.

KEY RESPONSIBILITIES

  • Design, implement, and maintain the AD environment, ensuring high availability and security

  • Administer and optimize AD infrastructure, including sites, services, replication, and trusts.

  • Manage and troubleshoot GPOs, ensuring proper application of security policies.

  • Ensure secure authentication and authorization mechanisms, aligning with IAM best practices.

  • Monitor and respond to AD\-related incidents, performing root cause analysis and resolution.

  • Implement automation and scripting solutions for efficient AD administration.

  • Manage AD schema extensions and object lifecycle, ensuring compliance with security policies.

  • Support Microsoft Entra ID integration

  • Coordinate with security teams to enforce security baselines and monitor for anomalies.

  • Perform regular health checks, audits, and compliance validation on AD infrastructure.

  • Document processes, configurations, and changes in alignment with IT governance standards.

PROFILE

Academic background \& Experience

  • 5\+ years of experience in Active Directory administration and engineering.

  • Proven experience in managing large\-scale AD environments with multiple domains and trusts.

  • Hands\-on experience with PowerShell scripting for AD automation.

  • Familiarity with compliance frameworks (ISO 27001, NIST, GDPR, etc.) as they relate to identity management
Behavioral Capabilities
  • Strong problem\-solving and analytical skills to diagnose and resolve AD issues.

  • Ability to effectively communicate technical concepts to both technical and non\-technical stakeholders.

  • High attention to detail and commitment to security best practices.

  • Ability to work independently and collaboratively within a team.
Proactive approach to identifying and mitigating potential risks.
  • Skills

  • Strong expertise in Active Directory, including domain controllers, replication, and trust relationships.

  • Deep understanding of Group Policy Objects (GPOs),including design, implementation, and troubleshooting.

  • Experience with Microsoft Entra IDintegration with on\-prem AD.

  • Knowledge of LDAP, Kerberos, NTLM, and authentication protocols.

  • Familiarity with SAML, OAuth, OpenID Connect, and related technologies.

  • Experience with PowerShell scripting for automation and administration.

  • Strong understanding of Windows Server OS

  • Knowledge of PKI and certificate\-based authentication.

  • Experience with AD backup, disaster recovery, and security hardening.

  • Understanding of IAM principles, least privilege access, and compliance requirements.

Place:

Workplace : United Kingdom

The market for this type of role

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