Assistant Manager - Finance Controlling



Posting Start Date: 15/09/2026



Company: Deloitte General Services



Job Function: Internal Functions



Level of Experience: Experienced



Contract Type: Open-term



Req ID: 14069



Job Description:




Your future team



You will join our Finance team, working at the intersection of Finance, IT, and business operations. As Finance Information Systems Manager, you will be the key point of contact for our Finance applications, ensuring they are reliable, efficient, and aligned with business needs. You will collaborate closely with stakeholders across the firm to drive process optimization, digital transformation, and data-driven decision making.




The advantages of joining us

• Career growth, your way: Access to high-quality training and a clear progression path to develop your expertise in Finance systems and transformation.


• Global impact, local connections: Work on cross-functional initiatives and ERP projects that support both local and international operations.


• Innovative work that matters: Contribute to digital transformation, process automation, and the implementation of new Finance technologies.


• Inclusive, flexible culture: Join a collaborative environment where your ideas are valued and where you can balance work and personal life.


• Build your network: Work with Finance, IT, and business leaders across the firm and expand your professional network.

How you'll contribute to our success

• Act as the key business owner for Finance systems (SAP ECC / S/4HANA and related applications), ensuring reliability, availability, and performance.


• Manage Finance master data governance and ensure data integrity, including coordination of system maintenance, upgrades, testing, and releases.


• Analyze Finance business processes, identify opportunities for automation and optimization, and translate business requirements into functional specifications.


• Lead or coordinate Finance workstreams in ERP and Finance system projects, including change management, user acceptance testing (UAT), and end-user training.


• Ensure high-quality financial data, support dashboards and BI solutions, and promote best practices in Finance process standardization and system governance.

Your skills




Must have

• Bachelor's or Master's degree in Information Systems, Finance, Business Administration, Computer Science, or a related field.


• At least 7 years of experience in Finance Information Systems, ERP support, Finance applications, or Finance transformation.


• Solid experience with SAP ECC and/or SAP S/4HANA (FI/CO), with a strong understanding of Finance business processes, master data, and system integration.


• Strong analytical, problem-solving, and project management skills, with the ability to coordinate cross-functional initiatives.


• Excellent communication skills and the ability to collaborate effectively with Finance, IT, and business stakeholders; fluent in French and English.

Nice to have

• Experience in implementing, migrating, or enhancing ERP and Finance systems, including involvement in digital transformation initiatives.


• Exposure to BI and reporting tools, dashboards, and data governance frameworks.


• Knowledge of additional Finance applications and/or additional languages.

Interested? Please submit your resume in English



Get to know more about Deloitte on our LinkedIn page (#DeloitteLU), Instagram page, YouTube page or website.



With more than 2,600 employees and 98 nationalities, Deloitte Luxembourg is one of the Grand Duchy's largest, strongest and oldest professional services firms. For more than 75 years, our talented teams have been serving clients in various industries delivering high added-value offerings to national and international clients in audit and assurance, consulting, financial advisory, risk advisory, tax, and related services. Deloitte Luxembourg is part of the global Deloitte network.



Deloitte provides leading professional services to nearly 90% of the Fortune Global 500® and thousands of private companies. Our people deliver measurable and lasting results that help reinforce public trust in capital markets and enable clients to transform and thrive. Building on its 180+-year history, Deloitte spans more than 150 countries and territories. Learn how Deloitte's over 470,000 people worldwide work together every day to make an impact that matters at www.deloitte.com.



#LI-MI1