Senior Active Directory Engineer [M/F]

Stackmine is seeking a senior expert to provide advisory support for Active Directory services in Operational Technology (OT) and production environments, aiming to enhance security, stability, and compliance of directory infrastructure used in operational areas.

• Minimum 5 years of experience in a similar role
• Very good knowledge of Microsoft Active Directory
• Experience in OT, industrial, or production environments
• Understanding of AD application in operational environments
• Experience in incident analysis and recommending improvements
• Knowledge of OT cybersecurity principles and secure AD management
• Ability to analyze technical problems and formulate risk-based recommendations
• Strong communication and stakeholder collaboration skills
• Ability to work in an advisory model without direct system administration

• Provide advisory support for Active Directory in OT and production environments
• Review architecture and configuration of OT domain controllers, GPO, DNS, OU, and access models
• Analyze and advise on authentication, domain joining, and access to OT systems
• Support incident analysis related to Active Directory components such as DNS, GPO, replication, authentication, and access
• Assess existing AD configurations and recommend improvements for security, stability, and performance
• Advise on Active Directory hardening and remediation actions from audits and vulnerabilities
• Review privileged access models and group policies in OT environments
• Collaborate with OT, infrastructure, cybersecurity teams, and production plants on change assessments and initiatives
• Identify risks and recommend solutions balancing security requirements with production continuity
• Review technical documentation and standards for OT compliance