Location
London

Hours
Full Time

Salary
Competitive, based on experience

About the Role
The IT Service Transition Manager ensures that new or updated IT services are moved seamlessly into live operational environments without disrupting business activities. Acting as the bridge between Project Delivery, Software Development, and Service Operations, this role governs release readiness, operational handovers, and service validation across the organisation. Key responsibilities include defining and enforcing the Service Transition framework, managing operational readiness and handovers, coordinating release and deployment schedules, ensuring accurate knowledge and asset management, and facilitating stakeholder and vendor management. You will work closely with project managers, development teams, third-party vendors, and various business units to ensure smooth transitions and minimal risk during production go-lives.

About Us
Solirius Reply, part of the Reply Group, is a technology consultancy and digital transformation partner that helps organisations solve complex challenges through strategy, design, engineering, and delivery. We deliver secure, accessible, user-focused services that evolve with client needs by combining deep technical expertise with people-centred design. Our consultants embed within client teams to understand goals, challenges, and users, enabling tailored solutions that drive measurable outcomes across public and private sectors. Our clients include the Ministry of Justice, Department for Education, Ministry of Housing, Communities and Local Government, UEFA, International Olympic Committee, and Mercedes-Benz. We operate as a collaborative and inclusive organisation that empowers our people to innovate and develop their expertise, committed to equality, diversity, and social mobility while delivering meaningful projects with lasting impact.

Experience
- Minimum 5 years in IT Service Management, with at least 3 years focused on Service Transition, Release Management, or Project Handover
- Proven experience managing service transition from development into live support environments
- Strong cross-functional facilitation, risk management, conflict resolution, and communication skills
- Experience communicating with stakeholders, working to client-defined governance, and coordinating cross-functional teams across delivery, support, and operations
- Proficiency with enterprise ITSM tools such as ServiceNow, Jira Service Management, and Halo
- Knowledge of CI/CD pipeline deployments and acceptance into service processes
- Experience working with Service Owners

About you
You are a motivated and adaptable professional with a strong analytical mindset and a passion for using technology to solve real-world problems. You enjoy working in collaborative, agile teams and take pride in delivering high-quality solutions that make a tangible impact. With strong communication skills and a consultative approach, you are comfortable engaging with clients, understanding their needs, and translating them into effective outcomes.

Qualifications
- ITIL 4 Foundation certification required
- ITIL Managing Professional (ITIL v3 Service Transition) highly preferred