Senior Internal Auditor - ASAP - French & English speaking

Publiée le 01/05/2026

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Grant Thornton Luxembourg


Temps de travail
Type de contrat
Langues parlées
FR , EN
Niveau d'étude

Working place: Company office

Contract type: Permanent contract

Working time: Full time

Location: Luxembourg Hamm

Ready to start your next challenge?

Grant Thornton Luxembourg is currently seeking a Senior Internal Auditor to start ASAP.

Working at Grant Thornton Luxembourg is an efficient opportunity to develop your potential within human-sized team in the heart of a multicultural and international growing group while respecting your work / life balance.

For us, you are a strength, your experience is a real added-value and places you as a key element in the realisation of our Internal Audit department ambitions.

Main mission

As a Senior Internal Auditor, you are interested for new challenges in a dynamic team that is offering Internal Audit services for a wide range of companies. You will have the possibility to develop your management skills by supervising Junior team members and supporting the Managers in the management of a client portfolio. You will work on a diversified client portfolio within a young and dynamic Team.

Main responsibilities

  • Run internal audit reviews from start (risk assessment) to finish (report issuance);

  • Proactively interact with the client to gather information, resolve audit-related problems and make recommendations for business and process improvements;

  • Lead clients interviews to gain understanding of operations, processes and systems;

  • Perform risk assessments on key business activities and use information to determine scope of review, in conjunction with the audit team;

  • Supervise, train and mentor juniors and interns on internal audit processes and assess performance of staff;

  • Evaluate the effectiveness of internal controls, risk management procedures, and compliance with company policies and relevant regulations;

  • Identify weaknesses of the client’s control environment and elaboration of recommendations to address those weaknesses;

  • Draft audit reports highlighting issues and participate in the reporting of audit findings to the Management;

  • Ensure the follow-up on the implementation of the previous internal recommendations;

  • Maintain a healthy working relationship with clients to enhance customer satisfaction and work with client management and staff at all levels to deliver value-added audit services;

  • Adherence to the highest degree of professional standards and strict client confidentiality;

  • Attend professional development and training sessions on a regular basis;

  • Take part in internal projects as part of the continuous improvement of our methodology (through the creation of templates and work programs) and monitoring of the regulatory framework (CSSF circulars, EU directives, MiFID II, Solvency II, etc.).

Main requirements

  • Master’s degree in Accounting, Audit & Control, or Finance and / or Economics;

  • At least 4 years of experience in internal audit and/or in external audit in the financial sector;

  • Knowledge of the local Financial industry’s regulation

  • Motivation to work towards the professional qualification of Certified Internal Auditor (CIA) and possibly other audit-related certification (CISA,…) which will be supported by our firm;

  • French and English are mandatory (any other language is considered an asset);

  • Strong analytical skills with an eye for details as well as the bigger picture;

  • Special knowledge in Fund administration is an advantage.

  • Strong written and verbal communication skills, including the ability to effectively present complex information to various stakeholders.

  • Good command of Microsoft office suite;

  • Good organization and demonstrated ability to work independently, prioritize tasks, and manage multiple audit assignments simultaneously.

  • Willingness to learn and take on new challenges;

3, 2, 1… Get ready to go beyond and apply!

Next steps

  • HR interview with our Talent team;

  • Technical interview with Manager(s) or Partner(s) of the team.


Grant Thornton worldwide

Grant Thornton is one of the world’s leading providers of independent assurance, tax and advisory services. Over 80,000 Grant Thornton people, across 150 markets, are focused on making a difference to clients, colleagues and the communities in which we live and work.

Grant Thornton Luxembourg

Grant Thornton Luxembourg is a leading provider of Audit & AssuranceBusiness Advisory, Financial ServicesTax & Accounting and Technology services for all types of entities in Luxembourg. With more than 340 people and 26 partners, we apply strong technical guidance and breadth of experience to ensure that clients receive a truly different experience.

5 reasons to join us

1.       Work life balance (additional holidays, flexibility (such as home working and satellite offices after trial period validation, parking possibility);

2.       Interesting Benefits (annual discretionary bonus, trainings/certifications, lunch voucher, pension plan, talent referral reward program, internal mobility program);

3.       Proximity management in agreement with our CLEARR values;

4.       Integration follow-up to ensure yours & career development opportunity (on-demand feedback, mid-year and annual performance review);

5.       Company life (events, afterworks, teambuilding, sport events) & engagements (Corporate Social Responsibility, Human Rights, Diversity & Inclusion);

6.       You are the one that we are looking for!



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Senior Internal Auditor - ASAP - French & English speaking

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