Junior Billing Officer (CDD - 6 months)

Arendt & Medernach; Luxemburg; On-site; EUR 20,000 - 27,000; Full time

Job summary

Arendt & Medernach's AIS division seeks a Junior Billing Officer on a 6-month CDD contract to manage client invoicing, timesheet recording, and ERP-driven billing rules. You will work closely with operations and business units to ensure accurate, timely billing and maintain client data integrity.

The role requires administrative experience, a Bac+2/3 in Accounting or related field, and fluency in English and French. Proficiency in MS Excel and Demasy ERP is a plus.

Qualifications

• Experience in administrative roles with understanding of accounting principles.
• Bachelor level education in Accounting/Management or related field.
• Proficient in Microsoft Excel and Office.
• Fluent in English; French desired.

Responsibilities

• Prepare and send client invoices; upload invoices to billing platforms.
• Record timesheets from operational teams.
• Manage billing rules and services in the ERP system (Demasy).
• Prepare credit notes when required.
• Maintain client data integrity and accuracy.
• Prepare monthly invoices for group entities.
• Send domiciled entities list bi-weekly.
• Collaborate with operations and business units to ensure accurate billing information.
• Ensure billing activities are completed on time.

Skills

Administrative experience

Accounting basics

MS Excel

Organized

Team player

Fluent English

French language

Education

Bac+2/3 in Accounting/Management

Tools

Demasy ERP

Job description

Arendt Investor Services (AIS) is the investor services’ arm of Arendt. We help clients to efficiently run the operational side of their business, bringing peace of mind to investors. Equipped with the latest technology, our 300 experts provide clients with an integrated suite of fund and corporate services, delivered to the highest market standards.

Our services complement Arendt’s legal expertise and regulatory & consulting services. We are a Professional of the Financial Sector (PFS) supervised by the CSSF and ISO 22301 certified.

The experts at AIS and AManco provide clients with: Corporate Services, Fund Administration Services, Governance Services, Operational AML & Compliance Services, Tax Compliance Services, Depositary Services, as well as Third Party AIFM Services (provided by AManco S.A.).

Given the ongoing development of AIS, we are currently recruiting:

Junior Billing Officer (CDD - 6 months)

Your role:

• Preparing and sending client invoices, including uploading invoices to client billing platforms;
• Managing the recording of timesheets from operational teams;
• Managing services and billing rules within the ERP system (Demasy);
• Preparing credit notes when required;
• Ensuring the integrity and maintenance of client data;
• Preparing monthly invoices for certain entities of the group;
• Sending the list of domiciliated entities on a bi-weekly basis;
• Working closely with operational teams and Business Units to obtain and maintain accurate billing information;
• Ensuring billing activities are completed accurately and within the required deadlines.

Your profile:

• Previous experience in administrative roles, with a good understanding of accounting principles:
• Higher education degree (Bac+2/3 or equivalent) in Accounting, Management, Business Administration, or a related field;
• Fluency in English and French; knowledge of additional languages is an advantage;
• Motivated, committed and eager to learn;
• Organized, proactive, methodical and detail-oriented;
• Collaborative mindset and ability to work effectively as part of a team;
• Good communication skills;
• Ability to manage assigned tasks accurately and meet deadlines;
• Proficiency in Microsoft Office, particularly Excel.

#AIS

Within Arendt, we uphold high standards. Our professionals work with clients on engaging projects, empowered from the start. With a strong local presence in Luxembourg and international reach, we support and train our team members to thrive in a culture of excellence. Specialised teams ensure the right skills are available, allowing for a focus on added value. Our leaders are approachable, providing support and mentoring.

We offer a vibrant social life with numerous events, embracing sports and art, our culture encourages openness and discovery beyond the professional realm. With over 50 nationalities represented, Arendt is committed to the well-being of its staff, serving the best interests of its clients, protecting the environment, and supporting education.

Arendt promotes equal opportunities and value each employee for what they bring to the community. For more information, please refer to our diversity and inclusion policy on our website.

Interested?

Please be aware that the selected candidate will be required to provide a criminal record (or certificate of good conduct).

#AIS