Technical and 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, employment and social security legislation, and payroll software solutions. Capable of leading business development initiatives and managing complex payroll accounts while ensuring compliance and quality in service delivery.

Highest-signal resume keywords

Expert Knowledge Of Employment LegislationPayroll Administration ExperienceProficiency In Payroll Software SolutionsBusiness Development SkillsTechnical Supervision Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Payroll AdministrationSocial Security ReportingURSSAF Audit ProceduresCollective Bargaining AgreementsTechnical SupervisionInternal Training DeliveryPayroll Software Solutions

Soft Skills

Influential LeadershipClient-Service OrientationEffective CommunicationDiplomacyThoroughness

Tools & Technologies

SilaeSageCegid

Certifications & Qualifications

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

Industry Keywords

Payroll ProcessingHR ServicesBusiness DevelopmentMulti-Collective-Agreement EnvironmentEmployment Matters

About the role

Key responsibilities & impact

Serve as the highest-level technical point of contact for payroll, HR, and social security reporting matters
Monitor employment and regulatory developments and distribute practical summaries to the teams
Review or arbitrate complex or high-risk cases
Oversee the quality and accuracy of payroll processing
Design and distribute standardized internal tools, templates, and procedures
Represent EXCO AVEC on the EXCO network’s payroll committee
Contribute to the practice’s business development activities, including tenders, commercial proposals, and client or prospect meetings
Identify opportunities for additional payroll and HR services
Represent the firm before external partners on employment and social security matters
Contribute to the development of the payroll and HR service offering
Monitor the payroll department’s workload and alert the partners in the event of an imbalance
Recommend scheduling and case-allocation adjustments
Contribute to the ongoing training and professional development of payroll administrators
Participate in the recruitment of payroll administrators by providing technical expertise
Retain a portfolio of technically complex payroll accounts and participate in payroll and social security contribution audits

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 experience in payroll administration
Significant experience in an accounting firm or in a multi-collective-agreement environment
Previous experience in technical supervision, 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
Excellent command of one or more payroll software solutions (Silae, Sage, Cegid, etc.)
Strong understanding of business development and client relationship management in an accounting firm
Influential leadership and the ability to build consensus without direct managerial 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 tailored, welcoming, and people-focused onboarding program
Training sessions and regulatory update meetings
Meal vouchers (€9, with 60% employer contribution)
A profit-sharing scheme
Flexible working arrangements, including the option to work remotely
Social events throughout the year, including conventions, after-work gatherings, food trucks, quiz rooms, and escape games