Post-Merger Integration Manager

Arrive; City of London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A global mobility platform based in London seeks a Post-Merger Integration Manager to drive the integration of acquisitions. This role requires a strategic thinker with experience in managing complex, cross-functional projects and a strong understanding of M&A processes. You'll develop integration plans, oversee execution, and ensure alignment across various business functions, fostering a cohesive transition for all teams involved.

Qualifications

• 3+ years of experience in post-merger integration, M&A consulting, or project management.
• Strong understanding of M&A processes and operational functions.
• Experience in Go-To-Market or Technology related integration is a plus.

Responsibilities

• Develop and lead end-to-end integration plans with clear milestones and KPIs.
• Oversee integration execution to ensure timely and successful outcomes.
• Manage risks and drive proactive solutions during the transition.

Skills

Cross-functional project management

Stakeholder management

Problem-solving skills

Communication skills

Education

Bachelor’s degree in Business or Project Management

Tools

PMP certification

Job description

Post-Merger Integration Manager

Bring businesses together. Drive transformation. Shape the future.

About the Role

As a Post‑Merger Integration Manager, you’ll lead the charge in ensuring our acquisitions deliver their full potential—operationally, financially, and culturally. You’ll design and execute detailed integration plans, collaborate across every major business function, and help newly combined teams move forward as one. This is a high‑visibility role with direct influence on how we grow and evolve as an organization.

What You’ll Do

Integration Planning & Delivery

• Develop and lead end‑to‑end integration plans alongside work‑stream leads, establishing clear milestones, deliverables, and KPIs.
• Oversee overall integration execution to ensure integrations land on time, on budget, and successfully for the people.
• Partner with work‑stream leads to ensure alignment and consistency across all business areas.

Cross‑Functional Leadership

• Work closely with leaders across Product, Technology, Operations, IT, HR, Finance, and Legal to solve key dependencies and must‑get‑rights.
• Build bridges between acquiring and acquired teams to ensure a smooth, cohesive transition.

Change Management & Culture

• Anticipate and manage risks, drive proactive solutions, and champion positive change.
• Foster cultural alignment and engagement, helping teams navigate change confidently.

Performance & Continuous Improvement

• Track integration progress, report key metrics to leadership, and measure synergy realization.
• Conduct post‑integration reviews and contribute to improving our PMI playbooks and best practices.
• Explore and embed AI into PMI processes.

What You’ll Bring

• Bachelor’s degree in Business, Project Management, or a related field.
• 3+ years of experience in post‑merger integration, M&A consulting, or large‑scale project management.
• Proven ability to manage complex, cross‑functional projects and deliver measurable outcomes.
• Strong understanding of M&A processes and operational functions.
• Excellent communication, stakeholder management, and problem‑solving skills.
• PMP or similar project management certification (advantageous).
• Experience in Go‑To‑Market, Product, or Technology related integration priorities is a plus.

Who You Are

You’re a strategic thinker who loves connecting the dots between business goals and execution. You thrive in ambiguous, fast‑changing environments, bring clarity to complexity, and know how to align people, processes, and culture toward a shared vision.

This role is based in London or Basingstoke.

About Us

Arrive, including brands like EasyPark, Flowbird, RingGo, ParkMobile, YourParkingSpace, and Parkopedia, is a leading global mobility platform. Present in over 90 countries and 20,000 cities, the company helps people and decision‑makers make smarter decisions about urban mobility and ease the experience of travel worldwide. Arrive delivers a unique combination of smart payments, optimized car parks, data‑driven traffic reduction, and support for reinvestment in public transport and green space. It’s about more than function—it’s about saving time and simplifying the experience of travel for everyone. Travel is more than a journey, it’s how you Arrive.