SIAM Change & Release Leader: Service Transition Expert

Mastek; Leeds; On-site; GBP 60,000 - 90,000; Full time

Job summary

Mastek is seeking a Change, Release & Transition Manager to drive safe, efficient IT changes across a multi-supplier SIAM environment in the UK. You will own end-to-end governance, validation, deployment, and post-implementation reviews to ensure service stability and client confidence.

Lead ITIL Change Enablement and Release Management, coordinate suppliers, manage CAB processes, and ensure changes are properly communicated and implemented.

Qualifications

• 5+ years of Change and Release Management experience.
• Experience in SIAM and multi-supplier environments.
• Strong knowledge of ITIL Change Enablement, Release Management, and Service Management governance.
• Excellent stakeholder management and supplier coordination.
• Strong analytical, problem-solving and communication skills.
• ITIL v4 Certification preferred (ITIL v3 desirable).

Responsibilities

• Lead end-to-end Change, Release, and Service Transition governance.
• Drive ITIL Change Enablement and Release Management best practices; coordinate suppliers in SIAM.
• Oversee service transitions, readiness, testing, deployment, and early-life support.
• Manage release schedules, dependencies, risk assessments and CAB processes.
• Ensure changes are validated, approved, communicated, and implemented.
• Lead post-implementation reviews and supplier performance management.
• Act as SME for Change & Release Management to influence service quality.

Skills

Change Management

Release Management

ITIL v4

Stakeholder management

Supplier coordination

Governance

Education

ITIL Certification

Tools

SIAM environment

CAB processes

Service Transition

Job description

Mastek is seeking a Change, Release & Transition Manager to drive safe, efficient IT changes across a multi-supplier SIAM environment in the UK. You will own end-to-end governance, validation, deployment, and post-implementation reviews to ensure service stability and client confidence.

Lead ITIL Change Enablement and Release Management, coordinate suppliers, manage CAB processes, and ensure changes are properly communicated and implemented.