Client Engagement Assistant – Complex Global Payroll Accounts at Forvis Mazars Global – Barcelona | Jobyssey

Forvis Mazars Group SC is an independent member of Forvis Mazars Global, a leading global professional services network. Operating as an internationally integrated partnership in over 100 countries and territories, we specialise in audit, tax and advisory services.

About the role

As part of Forvis Mazars’ strategic initiative to build a centralized Global Payroll service, we support multinational clients across Europe by delivering coordinated payroll and HR administrative services through standardized processes, technology, and centralized governance. This model ensures compliance at both local and international levels while providing clients with accurate, consistent, and centralized reporting from our Center of Excellence (CoE).

To support the continued growth of this strategic service, we are seeking a Client Engagement Manager to join the expanding Global Payroll Client Management team in Barcelona. This role offers the opportunity to contribute to a high-impact international project, working in a fully international environment and collaborating with multiple countries across Europe.

Your mission

As a Client Engagement Manager for Global Payroll, you will act as a trusted partner for complex, multinational clients and internal stakeholders, taking end-to-end ownership of the relationship and the delivery of their international mandates, while continuously improving and automating the processes that support them.

Your responsibilities will include:

Acting as the primary point of contact for multinational clients and participating Forvis Mazars countries.
Building and maintaining strong relationships with client stakeholders.
Managing the onboarding and transition of new clients into the Global Payroll model, ensuring alignment between clients, the CoE, and local Forvis Mazars teams.
Leading the ongoing management of complex, cross-border client engagements.
Creation and maintenance of dashboards to clearly show progress on client onboarding process, and ongoing client management.
Proactively identifying, managing, and resolving operational, financial, and coordination issues.
Monitoring fees, budgets, and profitability, and performing financial and performance analyses of mandates.
Defining, tracking, and reporting KPIs and service-level metrics with clients and internal stakeholders.
Organizing and leading regular governance meetings with clients to review performance, risks, and action plans.
Driving continuous improvement by standardizing and automating recurring tasks, reporting, and workflows to increase efficiency and quality, and supporting Forvis Mazars countries and internal teams on related initiatives.

Your profile

Bachelor’s degree in Business Administration, Economics, Finance, or a related field. Project management certifications are a plus.
At least three years proven experience in an international or multinational environment, ideally managing complex client relationships and coordinating cross-border accounting, outsourcing, payroll, or compliance engagements.
Understanding payroll, accounting, auditing or compliance frameworks.
High proficiency in Excel and data visualisation tools (e.g. Power BI or Tableau), with strong analytical skills and a demonstrated ability to improve and automate processes (e.g. Power Query, Power Automate, macros, or similar tools).
Familiarity with project management and collaboration tools (e.g. MS Project, Planner, Jira, or similar), and exposure to ERP or financial reporting systems.
Fluent English, both written and spoken. Additional European languages are a plus.
Ability to manage multiple priorities, work under tight deadlines, and operate with a high level of autonomy.
Strong communication, stakeholder management, and problem-solving skills.
Ability to work effectively with multidisciplinary and multicultural teams, with strong attention to detail.

What we offer

Permanent, full-time contract.
Hybrid working model (2 days remote per week).
Flexible compensation plan (restaurants, transportation, nursery).
Private health insurance.
International, collaborative, and fast-growing professional environment.
Office perks including fruit, coffee, and snacks.

Inclusion and Diversity

At Forvis Mazars, we are committed to ensuring equal opportunities throughout our recruitment processes. No individual will be discriminated against on the basis of gender, age, ethnicity, nationality, religious beliefs, or sexual orientation.

We actively promote the inclusion of people with disabilities in the professional environment. Candidates with an accredited disability of 33% or higher will be positively valued.

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