Project Manager Senior à Grande-Bretagne

Our Purpose

As a global leader in assurance, tax, transaction, and advisory services, we leverage our expertise and cutting-edge solutions to build a better working world. This begins with a culture dedicated to training, opportunities, and creative freedom. Our network of over 300,000 professionals and one million alumni forms a powerful community, where each individual leads and inspires during their time at EY and beyond.

Our People

At EY, we empower our people with the right mindsets and skills to navigate what’s next, become transformative leaders, and shape careers as unique as they are. We are committed to hiring and developing passionate individuals who collaborate to deliver exceptional results for our people, clients, and communities.

The Opportunity

We are expanding our Global Mobility Tax team and seeking a Senior Manager who specializes in UK/US taxation. This role requires a highly skilled professional who can provide exceptional client service, navigate complex UK and US tax matters, and drive strategic insights.

As a dynamic and high-growth team, we have achieved double-digit growth and are focused on expanding our advisory offerings. We seek an individual with a forward-thinking, entrepreneurial mindset who aligns with our innovative and global client base.

This role offers:

• Clear career progression in a rapidly growing team
• A chance to shape the future of Global Mobility Tax
• Exciting international travel opportunities

Key Responsibilities

• At EY, we adopt a client-centric approach, acting as trusted business partners by proactively addressing challenges and delivering outstanding service. Your role will involve:
• Managing a portfolio of Global Mobility clients, with a focus on private/fast-growth UK-headquartered organizations.
• Building and maintaining strong client relationships while providing high-quality tax services.
• Overseeing the day-to-day delivery of UK and US mobility tax compliance and advisory services, ensuring technical excellence.
• Collaborating across service lines and global teams to identify UK/US mobility opportunities.
• Driving new tax projects and developing business from existing and target clients.
• Mentoring and developing junior team members, while making strategic management decisions.

About You

We are looking for an experienced expatriate tax practitioner with the following attributes:

• Expertise in UK/US taxation, particularly in handling complex cross-border tax issues.
• Strong client relationship skills, including experience engaging with senior management, executives, and C-suite professionals.
• Project management skills, with the ability to plan, prioritize, and monitor budgets effectively.
• Ability to deliver clear, practical, and technically accurate tax advice in both UK and US contexts.
• Experience reviewing complex UK and US Federal/State tax returns and leading tax advisory projects.
• A team player with excellent communication and leadership skills.
• An entrepreneurial mindset, ready to embrace innovation and new ways of working.
• Ability to identify risks, review effectively, and escalate when necessary.
• A problem solver who is commercially aware and client focused.

Qualifications & Experience

• Qualified member of the Association of Taxation Technicians (ATT) and qualified to practice US tax (Enrolled Agent (EA) or Certified Public Accountant (CPA)).
• Chartered Tax Advisor (CTA) qualification is desirable but not essential.
• Experienced Senior Manager within Global Mobility Tax.
• Experience working within professional services.

What We Offer

We offer a competitive remuneration package where you will be rewarded for both individual and team performance. Our comprehensive benefits include:

• Flexible working arrangements tailored to your need
• Extensive career development support and coaching
• A benefits package covering holidays, health & well-being, insurance, savings, and exclusive discounts
• A dynamic and inclusive work environment, where your contributions make an impact

EY is committed to being an inclusive employer, offering flexible working options to help you balance your professional and personal priorities. While some client-facing roles may require travel, our flexible arrangements enable you to thrive in a supportive work culture.

At EY, belonging means more than just fitting in—it means thriving in a place where you are valued, supported, and celebrated. No matter your background, you’ll find a place where you can be yourself and build an extraordinary career.

Join us and be part of a team that is redefining the future of Global Mobility Tax .