Technical & Development Lead – Payroll/HR

EXCO

. Serve as the highest-level technical point of contact for payroll, HR and social security reporting matters .

Posted 9/24/2026full-timeNantes • FranceSenior💰 €40,000 - €45,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expert knowledge in payroll administration, social security legislation, and payroll software systems while effectively managing client relationships and business development initiatives. Capable of providing technical leadership and training to payroll specialists, ensuring high-quality payroll processing and compliance.

Highest-signal resume keywords

Expert Knowledge Of Employment LegislationPayroll Administration ExperienceTechnical Leadership ExperienceProficiency In Payroll Software SystemsClient Relationship Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Payroll AdministrationSocial Security ReportingURSSAF Audit ProceduresCollective Bargaining AgreementsPayroll Software Systems

Soft Skills

Influential LeadershipTeaching SkillsClient-Service OrientationDiplomacyThoroughness

Tools & Technologies

SilaeSageCegid

Certifications & Qualifications

Bachelor’s Degree In Payroll AdministrationMaster’s Degree In Human ResourcesBTS/DUT-Level Qualification

Industry Keywords

Payroll ProcessingSocial ServicesBusiness DevelopmentMulti-Collective-Agreement EnvironmentTechnical Expertise

About the role

Key responsibilities & impact

Serve as the highest-level technical point of contact for payroll, HR and social security reporting matters
Monitor social and regulatory developments and distribute an operational summary to the teams
Review or arbitrate complex or high-risk cases
Ensure the quality and reliability of the firm’s payroll processing
Design and distribute standardized internal tools, templates and procedures
Represent EXCO AVEC on the EXCO network’s payroll committee
Contribute to the business development of the payroll and social services department
Respond to requests for proposals and prepare commercial proposals
Present payroll and social services offerings to clients and prospects
Identify opportunities for additional social services engagements
Represent the firm with external partners
Contribute to developing the firm’s payroll and social services offering
Monitor the payroll department’s workload and alert the partners as needed
Recommend scheduling and portfolio allocation decisions
Contribute to continuing education and the development of payroll specialists’ skills
Participate in recruiting payroll specialists by providing technical expertise
Maintain a technically complex payroll portfolio and participate in payroll and social security contribution audits
Exercise cross-functional authority without direct line-management responsibility

Requirements

What you’ll need

Bachelor’s to master’s degree in payroll administration, human resources or a related field
A BTS/DUT-level qualification combined with significant relevant experience will also be considered
At least 5 years of payroll administration experience
Significant experience in an accounting firm or in a multi-collective-agreement environment
Previous experience providing technical leadership, serving as a subject-matter expert or delivering internal training is a strong advantage
Expert knowledge of employment and social security legislation, social security reporting (DSN) and URSSAF audit procedures
In-depth knowledge of several collective bargaining agreements
Expert proficiency in one or more payroll software systems (Silae, Sage, Cegid, etc.)
Good understanding of business development and client relationship management in an accounting firm
Influential leadership and the ability to gain buy-in without direct line-management authority
Strong teaching skills and the ability to communicate technical knowledge effectively
Client-service orientation and an interest in business development
Diplomacy and the ability to work with multiple partners
Thoroughness, reliability and the ability to manage priorities during peak workloads

Benefits

Comp & perks

A personalized, welcoming and people-focused onboarding program
Training and regulatory update meetings
Meal vouchers (€9, with 60% employer contribution)
Profit-sharing agreement
Flexible working arrangements, including the possibility of remote work
Social events, after-work gatherings, food trucks, quiz rooms and escape games