Senior Transition Manager - IT Outsourcing (IT)

At CGI, we deliver high-impact transformation programmes that enable organisations to operate with greater agility, efficiency, and purpose. As a Transition Manager supporting our work with Wellcome Trust, you will play a pivotal role in shaping and delivering complex outsourcing transitions that underpin critical research and innovation. You will drive end-to-end transition success, ensuring seamless service continuity while enabling long-term value for a globally respected, mission-led organisation. Working within a collaborative and supportive environment, you will have the opportunity to take ownership of outcomes, influence senior stakeholders, and contribute to meaningful change across the Life Sciences and non-profit sector. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ?Best Employer? by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you?ll be part of an open, friendly community of experts. We?ll train and support you in taking your career wherever you want it to go. This is a hybrid position but will need to candidate to be close to London as we are expecting you to be regularly present with the client. Candidate profile: In this role, you will lead the end-to-end transition of IT outsourcing services, ensuring a structured, controlled, and high-quality move from initiation through to operational handover. You will take ownership of transition outcomes, aligning delivery with agreed scope, timelines, and budgets while ensuring minimal disruption to critical services. Working closely with senior stakeholders across CGI and third-party suppliers, you will foster strong collaboration, enabling effective governance and decision-making throughout the transition lifecycle. You will play a key role in shaping transition strategy and execution, proactively managing risks, dependencies, and change to safeguard delivery. You will be supported by a collaborative network of experts while having the autonomy to innovate and continuously improve transition approaches in a complex, mission-driven environment. Lead & deliver end-to-end ITO transition programmes Manage & control transition plans, RAID, budgets, and governance Coordinate & align multi-vendor and stakeholder engagement Drive & assure service readiness and operational handover Mitigate & resolve risks, issues, and dependencies Report & communicate progress to senior stakeholders Required qualifications to be successful in this role To succeed in this role, you will bring strong experience leading complex IT outsourcing transitions, with the ability to operate confidently in stakeholder-rich, governance-driven environments. You will combine structured delivery expertise with strong communication skills, enabling you to influence senior stakeholders and ensure successful outcomes within mission-led organisations. You should have extensive experience delivering full ITO transitions Strong knowledge of 1st-generation outsourcing transitions is highly desirable Experience within non-profit, Life Sciences, or research environments preferred Proven ability to manage senior stakeholders in complex organisations Strong proficiency in transition governance, RAID management, and reporting Relevant certification such as PRINCE2, PMP, or equivalent