Senior Internal Auditor

Senior Internal Auditor (F/M)
- Paris La Défense The opportunity We are seeking an experienced and proactive Senior Internal Auditor to join Worldline’s Group Internal Audit team. The role is designed for an auditor who is able to lead and deliver risk-based internal audit assignments across financial, operational, compliance, governance and support function areas. The Senior Internal Auditor will be responsible for planning, executing and reporting audit work in line with GIA methodology, while providing clear, risk-based insights to management and supporting the continuous improvement of Worldline’s control environment. The role requires strong analytical judgement, professional scepticism, stakeholder management skills and the ability to operate effectively in an international environment. As part of an international Internal Audit team based across Europe, the Senior Internal Auditor will gain broad exposure to Worldline’s governance, business processes, risk management practices and control frameworks. Joining GIA offers a strong opportunity to deepen understanding of corporate governance and regulated payment services, and can serve as a strategic career accelerator following a successful tenure within the function. Day-to-day responsibilities Audit Planning and Execution
• Lead or contribute significantly to the planning and execution of internal audit assignments, including audit scoping, risk assessment, process understanding, control identification, testing strategy and documentation.
• Perform risk-based audits across support functions, operational processes, financial controls, compliance areas, governance processes and, where relevant, IT general controls.
• Develop audit programs, testing approaches and workpapers in accordance with GIA methodology and professional internal audit standards.
• Evaluate the design and operating effectiveness of controls, identifying control gaps, root causes, risk implications and practical improvement opportunities.
• Apply professional scepticism and sound judgement when assessing evidence, management explanations and control effectiveness. Analysis, Documentation and Reporting
• Analyse financial, operational, compliance and control data to identify patterns, weaknesses, inefficiencies and emerging risks.
• Prepare high-quality audit documentation that is clear, concise, evidence-based and able to support audit conclusions.
• Draft audit findings, executive summaries and recommendations that are risk-based, balanced, actionable and aligned with GIA reporting standards.
• Support the development of audit reports for management review, ensuring that findings are clearly articulated and supported by sufficient audit evidence.
• Contribute to the preparation of materials for senior stakeholders where required. Stakeholder Management
• Build effective working relationships with auditees, management, Risk, Compliance, Finance, and other support functions.
• Conduct interviews, walkthroughs and closing discussions with process owners and control owners.
• Communicate audit observations clearly and constructively, including explaining risk impact and the rationale for recommendations.
• Challenge management responses where appropriate while maintaining a professional and collaborative approach. Follow-up and Continuous Improvement
• Monitor and assess the implementation of agreed management actions and remediation plans.
• Evaluate whether remediation actions adequately address the root cause and reduce the identified risk.
• Contribute to the continuous improvement of GIA methodology, audit tools, workpaper quality and reporting practices.
• Share knowledge, lessons learned and good practices across the GIA team. Coaching and Team Contribution
• Provide guidance and on-the-job coaching to junior auditors during audit assignments.
• Review junior auditors’ workpapers and provide constructive feedback to improve audit quality.
• Contribute to a positive, collaborative and high-performing audit team culture.
• Stay informed about relevant regulations, audit standards, control frameworks and industry practices affecting Worldline and the payments sector. Who are we looking for Qualifications and Experience Required
• Bachelor’s or Master’s degree in Finance, Accounting, Business Administration, Audit, Risk Management, Information Systems, Engineering or a related field.
• Typically 5 to 8 years of experience in internal audit, external audit, risk management, internal control, compliance, consulting or a related assurance function.
• Solid understanding of risk-based auditing, internal controls, governance, audit testing and documentation standards.
• Experience in planning and delivering audit assignments with limited supervision.
• Strong analytical, problem-solving and critical-thinking skills.
• Ability to assess complex processes, identify key risks and formulate practical, risk-based recommendations.
• Strong written and verbal communication skills, including the ability to present audit findings clearly to management.
• Ability to manage multiple priorities, meet deadlines and operate effectively in a dynamic international environment.
• Good command of Microsoft Office tools, especially Excel, Word and PowerPoint.
• Good understanding of Worldline’s organisation, or ability to quickly develop this understanding Preferred
• Professional certification such as CIA, CPA, ACCA, CISA, CFE or equivalent.
• Experience in the payments, banking, financial services, fintech, technology or regulated services sector.
• Knowledge of relevant regulatory or professional frameworks such as IIA Standards, IFACI guidance, internal control frameworks, GDPR, DORA, PSD2, AML/CTF or operational resilience requirements.
• Experience using data analytics, Power BI, ACL, IDEA or other audit analytics tools.
• Experience auditing support functions such as Finance, HR, Procurement, Legal, Compliance, Risk. Desired Competencies:
• Strong organizational and time-management skills.
• Proactive learner with curiosity and initiative.
• Sound judgment and ethical decision-making.
• Collaborative mindset with the ability to build relationships. Perks & Benefits At Worldline you’ll get the chance to be at the heart of the global payments technology industry and shape how the world pays and gets paid. On top of that, you will also:
• Be part of a company guided by a strong purpose to do good and recognized as top 1% of the most sustainable companies in all sectors worldwide.
• Work with inspiring colleagues and be empowered to learn, grow and accelerate your career.
• Annual bonuses (year-end, vacation, profit-sharing)
• 32 days paid vacation and 13th month convertible into vacation time
• 75% reimbursement of public transport costs
• Very active works council (evenings, trips, cultural and leisure subsidies, etc.)
• Teleworking agreement
• Subsidized company restaurant
• Health and provident insurance Shape the evolution We are pushing towards the next frontiers of payments technology, and we look for big thinkers to join our journey. People with passion, can-do attitude and a hunger to learn and grow. Here you’ll work with ambitious colleagues from around the world, take on unique challenges as a team, and make a real impact on the society. And with our empowering culture, strong technology and extensive training opportunities, we help you accelerate your career. Wherever you decide to go. Join our global team of over 18,000 innovators across 40+ countries, and shape a tomorrow that is yours to own.