Senior Consultant - Global Mobility - Assignment Services - London

Ernst & Young Advisory Services Sdn Bhd; Lakenheath; On-site; GBP 45,000 - 70,000; Full time

Job summary

Ernst & Young Advisory Services seeks a Senior Consultant for their Assignment Services team in London. In this role, you will support multinational companies in managing their globally mobile employees, providing guidance on tax, payroll, and relocation. Key skills include analytical acumen, strong communication, and attention to detail, with an emphasis on building trusted client relationships. EY offers competitive compensation and a flexible benefits package aimed at fostering professional growth in a collaborative environment.

Benefits

Competitive salary and performance-based rewards

Flexible benefits package tailored to your lifestyle

Learning and development opportunities

Mentorship from experienced professionals

Flexible working arrangements

Qualifications

• Experience in assignment cost projection calculations.
• Strong analytical skills with the ability to interpret data.
• Confident communicator, both written and verbal.
• Skilled in building trusted relationships with clients.
• Highly organized with the ability to manage multiple tasks.
• Attention to detail and accuracy in execution.
• Curiosity about international mobility and global business.

Responsibilities

• Acting as a trusted advisor for international assignees.
• Delivering virtual briefings and responding to queries.
• Reviewing assignment documentation and compensation packages.
• Managing service delivery timelines and client expectations.
• Supporting proposal development and contributing to new business efforts.
• Identifying and implementing process improvements.
• Staying updated with global mobility trends and compliance.

Skills

Assignment cost projection calculations

Analytical skills

Communication skills

Organizational skills

Attention to detail

Proficiency in Excel

Job description

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Location: London

Other locations: Primary Location Only

Requisition ID: 1602584

At EY, we’re more than accountants and consultants — we’re change-makers. With over 300,000 professionals around the world, we use our expertise in tax, transactions, assurance, and consulting to help build a better working world.

Whether you’re advising on global expansion or supporting the future of work, everything we do is driven by progress — for our clients, our communities, and our people.

Why EY is Different

At EY, you’re in the driver’s seat. Whether you're passionate about solving complex problems, working with global brands, or building strong client relationships, we provide the platform for you to explore, grow, and thrive. You’ll be part of a powerful network of 300,000+ colleagues and over one million alumni — all working to create impact every day. Our inclusive, entrepreneurial culture ensures that your voice is heard, your ideas matter, and your individuality is celebrated.

The Opportunity

We are currently seeking a Senior Consultant to join our Assignment Services team. In this client-facing role, you’ll work closely with leading multinational companies to manage their globally mobile employees — supporting them across areas like tax, payroll, relocation, policy advisory, and more. You’ll gain hands-on experience in consulting, global mobility, and project management while helping deliver smooth and strategic international assignments.

What You’ll Do

Your day-to-day could include:

• Acting as a trusted advisor for international assignees and client mobility teams
• Delivering virtual briefings, responding to queries, and offering real-time guidance
• Reviewing assignment documentation, compensation packages, and cost projections
• Managing service delivery timelines and client expectations
• Supporting proposal development and contributing to new business efforts
• Identifying and implementing process improvements
• Staying up to date with global mobility trends, compliance, and best practices

What We’re Looking For

• Experience in assignment cost projection calculations (e.g., COLA)
• Strong analytical skills with the ability to interpret data and provide insights
• Confident communicator – both written and verbal
• Skilled in building trusted relationships with clients and internal teams
• Highly organized with the ability to manage multiple tasks and deadlines
• Attention to detail and accuracy in execution
• Proficient in Excel and Word (PowerPoint a plus)
• Curious about international mobility, global business, HR, and tax
• A collaborative team player who also works well independently

What You’ll Get

We believe your career should work for you. That’s why we offer:

• A competitive salary and performance-based rewards
• A flexible benefits package tailored to your lifestyle (FlexEY)
• Learning and development opportunities to support your growth
• Mentorship and support from experienced professionals
• Flexible working arrangements that support work-life balance

Belonging at EY

We’re proud to be one of the most people-focused organizations in professional services. At EY, belonging means more than just fitting in — it means being heard, being valued, and thriving as your authentic self.

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EY refers to the global organization, and may refer to one or more, of the member firms of Ernst & Young Global Limited, each of which is a separate legal entity. Ernst & Young Global Limited, a UK company limited by guarantee, does not provide services to clients.