Platform Engineer

UST; Southampton; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

UST is seeking an experienced Platform Engineer for its Identity & Access Management team in the UK, focusing on Microsoft Identity Manager (MIM) and identity lifecycle management within a hybrid on-site model.

The 12-month Fixed Term Contract covers developing, maintaining, and automating MIM solutions, integrating with HR systems, AD, and business apps while driving modernization and reliability of the identity platform.

Qualifications

• Strong hands-on experience with Microsoft Identity Manager (MIM).
• Extensive experience with Management Agents, Metaverse Design, Attribute Flows, Workflows.
• Strong development experience in C#/.NET including MIM Rules Extensions and custom identity solutions.
• Advanced PowerShell scripting and automation experience.
• Experience developing and supporting identity integrations, APIs, and connectors.
• Strong understanding of identity lifecycle management, provisioning, and deprovisioning processes.
• Strong knowledge of Active Directory and related identity technologies.
• Experience troubleshooting complex identity platform issues.
• Strong analytical, problem-solving, and documentation skills.
• Excellent communication and stakeholder management abilities.
• Experience with Microsoft Entra ID (Azure AD).
• Knowledge of RBAC, Access Governance, and Identity Governance practices.
• Experience supporting identity modernization, migration, or transformation programs.
• Experience working within hybrid identity environments.

Responsibilities

• Support, maintain, and enhance enterprise Identity Management services and technologies.
• Resolve complex incidents, technical issues, and platform-related problems.
• Deliver technical changes, improvements, and platform enhancements.
• Develop, maintain, and support Microsoft Identity Manager (MIM) solutions.
• Design and support MIM Synchronization Services, Management Agents, Workflows, Rules Extensions, Attribute Flows, and Metaverse configurations.
• Support identity lifecycle management, including provisioning and deprovisioning processes.
• Develop and maintain integrations between MIM, HR systems, Active Directory, and business applications.
• Create automation solutions and operational improvements using PowerShell and C#.
• Support platform upgrades, migrations, and operational activities.
• Produce technical documentation, support procedures, and operational standards.
• Collaborate with vendors and support partners to resolve technical issues and improve service delivery.

Skills

MIM

Management Agents

Metaverse design

Attribute Flows

Workflows

C#/.NET

PowerShell

Identity integrations

Active Directory

Azure AD

RBAC

Identity Governance

Hybrid identities

Tools

C#/.NET

Job description

We are seeking an experienced Platform Engineer to join a high-performing Identity & Access Management team responsible for delivering and supporting critical enterprise identity services.

This is a hands-on technical role focused on Microsoft Identity Manager (MIM), identity lifecycle management, integrations, automation, and platform enhancement. You will play a key role in ensuring the reliability, security, and continuous improvement of the organization's identity platform while supporting ongoing modernization initiatives.

Location: Southampton or Paddington, UK

Work Model: Hybrid (3 days onsite per week)

Employment Type: Fixed Term Contract for 12 months

Key Responsibilities

• Support, maintain, and enhance enterprise Identity Management services and technologies.
• Resolve complex incidents, technical issues, and platform-related problems.
• Deliver technical changes, improvements, and platform enhancements.
• Develop, maintain, and support Microsoft Identity Manager (MIM) solutions.
• Design and support MIM Synchronization Services, Management Agents, Workflows, Rules Extensions, Attribute Flows, and Metaverse configurations.
• Support identity lifecycle management, including provisioning and deprovisioning processes.
• Develop and maintain integrations between MIM, HR systems, Active Directory, and business applications.
• Create automation solutions and operational improvements using PowerShell and C#.
• Support platform upgrades, migrations, and operational activities.
• Produce technical documentation, support procedures, and operational standards.
• Collaborate with vendors and support partners to resolve technical issues and improve service delivery.

Required Skills & Experience

• Strong hands-on experience with Microsoft Identity Manager (MIM).
• Extensive experience with:
• Management Agents
• Metaverse Design
• Attribute Flows
• Workflows
• Strong development experience in C#/.NET, including MIM Rules Extensions and custom identity solutions.
• Advanced PowerShell scripting and automation experience.
• Experience developing and supporting identity integrations, APIs, and connectors.
• Strong understanding of identity lifecycle management, provisioning, and deprovisioning processes.
• Strong knowledge of Active Directory and related identity technologies.
• Experience troubleshooting complex identity platform issues.
• Strong analytical, problem-solving, and documentation skills.
• Excellent communication and stakeholder management abilities.
• Experience with Microsoft Entra ID (Azure AD).
• Knowledge of RBAC, Access Governance, and Identity Governance practices.
• Experience supporting identity modernization, migration, or transformation programs.
• Experience working within hybrid identity environments.