Implementation and M&A Transformation Lead, PA

Arthur J. Gallagher & Co. (AJG); West of England; On-site; GBP 90,000 - 140,000; Full time

Benefits offered by this job

Hybrid working

High-impact projects

Inclusive culture

Job summary

Gallagher is seeking an Implementation and M&A Transformation Lead to join our Pensions Systems Department to shape the future-state operating model and migrate legacy platforms to a scalable model.

The role requires a senior, outcome-focused leader with experience in transformation, migration delivery, stakeholder engagement, and collaboration across business, technology and operations. You will steer through ambiguity and design repeatable delivery methods for sustainable outcomes.

Qualifications

• Extensive experience leading complex implementation, migration, or tech-enabled change initiatives.
• Experience designing scalable delivery methodologies.
• Strong stakeholder management and communication skills.

Responsibilities

• Lead scalable migration methods and automation-led approach to pension schemes.
• Drive M&A integration by assessing platforms and embedding lessons learned.
• Ensure operational readiness and adoption of new tools and processes.
• Collaborate across data transformation, calculation teams, and migration delivery.

Skills

Transformation leadership

Migration delivery

Stakeholder engagement

Data transformation

Leadership

Analytical thinking

Tools

Data transformation tools

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

• 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.

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)