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Gallagher · Bristol, United Kingdom

Implementation and M&A Transformation Lead, PA

Bristol, United KingdomFull-timeManager or leadConsulting

Listed on Gallagher’s official careers site. Posted October 16, 2026. Check that it is still open and apply there.

Apply on Gallagher’s careers site →

Job description

Introduction At Gallagher Benefit Services, you’re a trusted partner to organizations navigating some of their most important people decisions. We help clients build better workplaces, where people feel supported, empowered, and inspired to thrive. Whether it’s shaping benefit strategies, designing wellbeing programs, or advising on workforce challenges, the work you do here creates meaningful change for businesses and the people who power them.

We’re a community of bold explorers, trusted experts, and compassionate partners; working side by side to solve problems, and shape the future of work. Here, curiosity is encouraged, collaboration is second nature, and your ideas have room to grow. If you’re looking for a place where your contribution matters and where you can help build a better world of work; think of Gallagher.

Overview

Are you ready to lead transformative change in a dynamic, fast-paced environment? Gallagher, one of the world’s largest insurance brokerage and risk management firms, is seeking an Implementation and M&A Transformation Lead to join our Pensions Systems Department. This is a unique opportunity to shape the future of our pension administration services and play a pivotal role in our strategic transformation and M&A activities.

The Implementation and M&A Transformation Lead will play a key role in delivering Gallagher’s strategic transition from legacy pension administration platforms to a more scalable, standardised and future-state operating model. The role requires a senior, outcome-focused individual who can combine transformation leadership, migration delivery expertise, implementation methodology design, stakeholder engagement, technical understanding and leadership of specialist teams.

The ideal candidate will be able to operate across business, technology and operations, helping bridge the gap between strategic intent and practical delivery. They will understand how to build controlled and repeatable migration methods, how to support complex implementation and migration activity, how to work with specialist data and calculation teams, and how to influence stakeholders across a complex transformation environment.

The role requires someone capable of leading through ambiguity, shaping delivery methods, supporting decision-making, challenging constructively and ensuring migration activity results in sustainable operational outcomes. The successful candidate will need to balance strategic transformation thinking with practical migration delivery discipline.

How you'll make an impact Lead Transformation

Design and embed a scalable, automation-led migration methodology to transition pension schemes and operational capabilities to Gallagher’s future-state operating model.

Drive M&A Integration

Support merger and acquisition activities by assessing acquired platforms, shaping migration strategies, and embedding lessons learned into future processes.

Ensure Operational Readiness

Collaborate with stakeholders to ensure smooth adoption of new tools, processes, and ways of working, improving operational efficiency and member experience.

Foster Innovation

Identify opportunities to leverage AI, automation, and analytics to enhance migration methodologies and drive continuous improvement.

Lead Teams

Manage and develop specialist teams, ensuring consistent quality standards and effective collaboration across data transformation, calculation analysis, and migration delivery.

About You

We’re seeking a senior leader with a proven track record in transformation and migration delivery.

The ideal candidate will have: Extensive Experience: Leading complex implementation, migration, or technology-enabled change initiatives.

Methodology Expertise

Designing and embedding repeatable, scalable delivery methodologies.

Stakeholder Management

Strong communication skills to engage with senior stakeholders, project teams, and external vendors.

Technical Knowledge

Familiarity with data transformation, operational readiness, and target operating model design.

Leadership Skills

Experience managing and developing specialist teams, including matrix management.

Problem-Solving Ability

Analytical skills to assess risks, resolve issues, and propose pragmatic solutions. Why Join Gallagher? At Gallagher, we pride ourselves on fostering a culture of innovation, collaboration, and continuous improvement. As a global leader in insurance and risk management, we offer: A hybrid working environment. Opportunities to work on high-impact transformation projects. A supportive and inclusive workplace where your contributions are valued.

How to Apply If you’re ready to take on this exciting challenge and make a lasting impact, we’d love to hear from you. Apply today and help shape the future of Gallagher’s pension administration services. Compensation and benefits At Gallagher, we believe supporting our colleagues goes far beyond the role itself. For more information, visit our Benefits page. Competitive compensation Comprehensive benefits programs designed to support your well-being Career development opportunities and ongoing learning A collaborative, people-first culture with accessible leadership The opportunity to do meaningful work with global reach and local impact At Gallagher, we are dedicated to building an inclusive and authentic workplace.

If your past experience doesn’t align perfectly, we encourage you to join our Talent Community to stay connected to additional career opportunities. Although this role is listed as full-time, if you’re in a job-share partnership, work reduced hours, or have any other flexible arrangement, please still get in touch. We will also offer reasonable adjustments to the recruitment process if required, so please let us know. Gallagher is an affirmative action/equal opportunity employer (Minorities/Females/Veterans/Disabled)

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