Senior Accountant

The Adecco Group; Lyon; On-site; EUR 55,000 - 75,000; Full time

Job summary

The Adecco Group is seeking a Senior Accountant in Lyon to ensure accurate, compliant, and timely financial reporting within a complex, international environment. You will work closely with the Finance Leadership Team, Financial Controllers, and key stakeholders to oversee accounting activities and support reporting.

Responsibilities include reconciliations, closing processes, financial analysis, and controlling internal processes while ensuring statutory and international accounting compliance.

Qualifications

• 5+ years of experience in a complex accounting environment.
• Strong knowledge of statutory and international accounting and tax rules.
• Proficiency with accounting and management IT systems.

Responsibilities

• Support finance leadership in applying statutory, Group, analytical, tax, and regulatory accounting rules.
• Coordinate recording and verification of accounting data for the entity.
• Lead and review account reconciliations and justifications.
• Coordinate analytical reviews of income statement and balance sheet.
• Provide reports to financial controllers and stakeholders to support performance reviews.
• Train financial controllers on applicable rules and updates.
• Prepare and ensure compliance with local and Group closing schedules.
• Prepare statutory financial statements and reporting packages.
• Monitor regulatory developments in accounting, finance, and tax areas.

Skills

Accounting expertise

English & French

IT systems

MSD knowledge

Tools

MSD

Job description

About the role

As a Senior Accountant, you will play a key role in ensuring accurate, compliant, and timely accounting and financial reporting. Working closely with the Finance Leadership Team, Financial Controllers, and key stakeholders, you will oversee accounting activities, support financial analysis and reporting, and ensure effective closing and internal control processes.

You will also contribute to process improvements and transformation initiatives within the Accounting function, while providing accounting expertise and guidance in a complex and international environment.

What you’ll be doing

• Support the finance leadership team in ensuring the proper application of statutory, Group, analytical, tax, and regulatory accounting rules.
• Coordinate the recording and verification of accounting data for the entity.
• Lead and review account reconciliations and justifications.
• Coordinate analytical reviews of the income statement and balance sheet.
• Share findings with Finance Management of the entity.
• Manage accounting relationships with entity financial controllers, other departments, and third parties, and respond to their requests.
• Provide various reports to financial controllers and other stakeholders to facilitate performance reviews.
• Train and inform financial controllers on applicable rules and their updates.
• Prepare, distribute, and ensure compliance with local and Group closing schedules.
• Prepare statutory financial statements and other required summary documents and reporting packages.
• Monitor regulatory developments in accounting, financial, and/or tax areas.
• Identify and inform management about required process improvements, and support the AITS accounting team in driving corresponding solutions.
• Support the finance leadership team in the efficient and effective application of the entity’s internal controls, and ensure proper process and control documentation.
• Contribute to transformation projects of the AITS organizational model (Accounting Department)

About you

• With at least 5 years of experience in a complex and demanding environment, you are recognized for your communication skills, agility, collaborative mindset, and your ability to identify and propose solutions.
• Strong knowledge of (statutory and international) accounting and tax rules and techniques.
• Proficiency in accounting and management IT systems.
• Knowledge of MSD required.
• Understanding of internal procedures.
• Professional level of English and French.

Why choose us?

It’s an exciting time to be part of our team. At the Adecco Group, our purpose – making the future work for everyone – inspires and connects us all. Through our three global business units (GBU) – Adecco, Akkodis and LHH - we deliver expertise in talent and technology, enabling organizations to succeed and people to thrive.

We’re proud to be a global thought‑leader and care about doing the best job we can to ensure better futures for everyone. We do this by building our Future@Work strategy as a united team of 30,000+ colleagues with a collective spirit working in over 60 countries globally. We embody our core values: Courage, Collaboration, Customer at the Heart, Inclusion, and Passion in everything we do.

Growth and Development

You will have the opportunity to grow across a variety of interesting jobs and careers over our extensive portfolio of global brands. We empower our colleagues to work in the smartest, most efficient ways, achieving total balance between their jobs and their lives. We offer world‑class resources for upskilling and development, satisfying your curiosity while sharing skills, knowledge, and expertise to grow together. Here, you can be yourself, and we aim to build on the attributes that make you, you

A journey to bring out the best in you

We believe that having an understanding of the hiring process helps you to prepare, feel, and be, at your best. As a global, multi brand organization with multiple different roles, our application process can vary.

On our career site, you will find some of the key steps you can expect to guide you along the way.

Inclusion

We believe in talent, not labels. We focus on the diverse and unique skills our people bring. Our culture of belonging and purpose ensures everyone can thrive and feel engaged. We are proud to be an Equal Opportunity Employer, committed to equity, equal opportunity, inclusion, and diversity.

Interview Process

Our interview process includes an initial phone screening, followed by a virtual round of interviews with Hiring Manager, HR team and senior leaders. This process helps us understand your fit within our team and allows you to ask questions about the role and our company. If you are a visionary leader with a passion for learning and development, we invite you to join us in making the future work for everyone.

Accommodations

We are committed to providing an inclusive and accessible recruitment process for all candidates. If you require any additional accommodations or support due to a disability or other special circumstances, please let us know by contacting us. We will work with you to ensure your needs are met throughout the hiring process.

Posting date: 23-08-2026