CS GROUP has been successfully providing digital end-to-end systems and engineering services for more than 40 years.
With over 2000 employees worldwide, we combine advanced and unique skills in both information technology and space data engineering. We combine entrepreneurial agility with cutting-edge technological expertise.
CS GROUP is a leading provider of operational systems and an important and trusted long-term partner for space and defence organisations.
At CS GROUP, we are driven by innovation and we value our most important asset: our people.

As part of the HR team you will have the following responsibilities:

• Staff Administration Service and ESA Payroll:

o Preparation of employment contracts following successful application:
o Hiring support (i.e.. payroll insertion) of new staff;
o Contract and position (i.e.. in the organizational structure) administration during the entire employment period, e.g., contract extensions, reassignments to new positions, etc.;
o Ad-hoc (i.e.. request-based) and periodic (e.g., via questionnaires, reporting) verification of entitlements, in particular examining complex cases of entitlement to allowances (i.e.. those that are not handled automatedly by our IT systems);
o Making the necessary payroll inputs for salary and allowances, as well as calculating ad-hoc payments (e.g. untaken leave);
o Systematic monthly payroll verification to a level which satisfies the external auditors;
o Setting up and maintaining structured ex-ante and ex-post payroll verifications with a focus on the ESA-wide payroll operations;
o Assisting the Head of Service in interfacing the external service provider to which parts of the ESA payroll have been outsourced;
o Time and leave management.

• Analytics, Efficiency and Digitalization:

o Using SAP SuccessFactors reporting module (mainly Report Stories / SAP Analytics Cloud and Canvas types) to generate real-time analyses for the Division’s management to support the efficient running of the operations;
o Producing detailed requirements for submission to the IT department as regards the further digitalisation of our processes using SAP SuccessFactors, and following up the ensuing (minor) IT projects;
o Contributing to the Division’s digitalization and efficiency strategy by conducting structured operational process feedback sessions with the whole team, and consequently elaborating concrete, actionable improvements.

• Recruitment Support Service:

o Standardized communication with potential applicants ESA-wide, mainly by handling the mailbox;
o Preparation and publication of Job Requisitions using SAP SuccessFactors;
o Initial screening of applications according to formal criteria (e.g. gender, nationality, level of education);

o Arranging job interviews (mostly on-line) and their follow-up with the interview boards;
o Managing candidates via the SAP SuccessFactors candidate pipeline, covering all statuses from application to hired;
o Specific communication with candidates;
o Arranging pre-recruitment security checks for selected candidates;
o Triggering the services of third-party suppliers (e.g. relocation/housing provider);
o Basic (ie. HR-related) on-boarding of new hires.

You will have the following qualifications and relevant experience:

• Minimum Bachelor’s degree, ideally in the field of Business or Public Administration, Information Technology, Applied Economics, or a combination thereof;
• Strong payroll background; must have had specific and in-depth exposure to payroll operations, preferably in an international context;
• Very good knowledge and experience with SAP SuccessFactors, in particular for Employee Central and Recruiting modules (formal SAP certification would be an asset);
• Once sufficient experience with the daily tasks has been built up, it is however possible to benefit from telework within the relevant site area for max. 30% of the time;
• Fluency in English and French is mandatory; knowledge of another European language is an advantage.

This job is located in Paris, France.

If you think you have what it takes for this job, please send your CV (in English and in Word or PDF) by clicking on the button “Apply for this job” quoting job FR-HP-25148.

An exciting and dynamic international working environment awaits you!

Inclusive and committed employer, our company works every day to combat all forms of discrimination and promote a respectful working environment. That's why, committed to gender diversity and overall inclusivity, we encourage all applications and profiles.

Inclusive and committed employer, our company works every day to combat all forms of discrimination and promote a respectful working environment. That's why, committed to gender diversity and overall inclusivity, we encourage all applications and profiles. Last apply date: 15/10/2025!

Employeur inclusif et engagé, notre société œuvre chaque jour pour lutter contre toute forme de discrimination et favoriser un environnement de travail respectueux. C’est pourquoi, attachés à la mixité et à la diversité, nous encourageons toutes les candidatures et tous les profils.

https://www.soprasteria.fr/nous-connaitre/nos-engagements