It's never been a more exciting time to join Vistra.

At Vistra our purpose is progress. We believe that our clients have the power to change the world and to do great things for global progress, and we exist to remove the friction that comes from the complexity of global business - to help our clients achieve progress without friction.

But progress only happens when people come together and take action. And we're absolutely committed to building a culture where our people can do just that.

We have an exciting opportunity for you to join our team as Change Manager - Transformation & Client Migration. Reporting to the Senior Director, Global Delivery - Payroll, this Temporary- Short term contract and we are taking applications from both the UK and Europe. This role will provide regional coverage allowing you to make a significant impact to our Customer Success Department and it's growth.

Position Overview

We are seeking an experienced Change Manager to lead organisational change efforts for our transformation and client migration program. This role will ensure the smooth transition of clients, systems, and processes by driving stakeholder alignment, adoption, and readiness across business units. The Change Manager will play a critical role in minimising disruption, building confidence among clients and employees, and embedding sustainable change.

Key Responsibilities

Change Strategy & Planning

• Develop and implement change management strategies to support transformation and client migration initiatives.
• Conduct impact assessments to understand client, operational, and employee implications.
• Create structured plans for communication, stakeholder engagement, and training.

Stakeholder Engagement & Communication

• Work closely with senior leaders, client teams, and operational leads to align on migration objectives.
• Design and deliver clear communication strategies tailored to internal staff and external clients.
• Act as a trusted advisor to project leadership on change readiness and adoption risks.

Client Migration Readiness & Support

• Partner with client relationship teams to ensure clients are informed, prepared, and supported throughout migrations.
• Identify potential resistance or adoption challenges among clients and employees and develop mitigation plans.
• Track client sentiment and feedback, escalating issues proactively.

Execution & Adoption

• Deliver training, workshops, and toolkits to equip employees and clients with new processes or technologies.
• Support migration go-live activities, acting as the point of coordination for change-related activities.
• Define success metrics and monitor adoption, reporting progress to stakeholders.

Continuous Improvement

• Capture lessons learned from migration waves and apply best practices to subsequent phases.
• Foster a culture of adaptability, resilience, and client-first transformation.
• Qualifications & Experience
• 5+ years of experience in change management with proven success in large-scale transformation and/or client migration programs.
• Change management certification strongly preferred.
• Experience working with complex client-facing programs in industries such as financial services, technology, consulting, or outsourcing.
• Strong track record of engaging senior stakeholders and managing client communication during transition phases.

Skills & Competencies

• Exceptional communication and presentation skills, with the ability to simplify complexity.
• Strong stakeholder management across internal teams and external clients.
• Project management discipline with the ability to work in structured and fast-paced environments.
• Analytical mindset with capability to track adoption, readiness, and risks.
• High emotional intelligence, resilience, and problem-solving ability.

If you are excited about working with us, we encourage you to apply or have a confidential chat with one of our Talent Acquisition team members. Our goal is to make this a great place to work where all our people can thrive. We hope you join us on this exciting journey!

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