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Support Office & Contract Administration Assistant

Job Introduction

We have an exciting (and challenging) opening for a Support Office & Contract Administration Assistant in Darmstadt

Dynamic, Energetic, Entrepreneurial, Highly Motivated, Resilient … If this describes you then we would love to hear from you :) 

Discover the offer below and click on ‘Apply’ if you know that your skillset and talents are a suitable match for this opportunity.

  • Serco – The employer of choice for a career within the Space Sector.

Serco are a trusted provider of services to National Space Agencies and the European Space Agency (ESA), we have over 40 years’ experience supporting the space sector and providing services for all stages of our customer’s space missions.

  • Join our community of space specialists across Europe

We are proud to support the European institutional Space landscape: Serco boasts an extensive network of Space professionals located at our offices in Darmstadt, Noordwijk, Frascati, Paris and Madrid, all within close proximity of our two largest space sector customers, European Space Agency/European Space Operations Centre (ESA/ESOC) and European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT).

  • Supporting Women in Aerospace

Diversity and Inclusion is extremely important to us. Supporting women's opportunities, development and visibility in the space sector is key and that is why we are proud members and supporters of Women in Aerospace Europe, a dynamic and global network supporting women's careers in Aerospace.

Women in Aerospace Europe (WIA-E) – Supporting women in STEM (


Role Responsibility

As Support Office & Contract Administration Assistant you will be responsible for:

  • Contract administration: 
    • preparation of financial data for customers
    • processing 'Confirmations & Invoices' in customer's SAP system
    • preparation/consolidation and tracking of customer documents, such as financial reports, minutes of meetings, timesheet (etc.)
    • management / processing of timesheets
    • managing / coordinating customer RfOs
    • tracking and follow-up on governance requirements (i.e. leave booking, Serco Essentials training, training plan)
    • BERs, overtime request handling
  • Invoice preparation and handling
    • preparation of sales invoices (using SOUT) and credit memos (in SAP)
    • sending sales invoices out to customers (email attachments or in customer system)
    • support RTR during month end un-billed revenue preparations
  • Bid support (populating job specs for recruitment etc.)
  • General support of the daily contract management activities in Germany
  • General office communication and company representation
  • Organisation and administration of the reception area and office, including office purchase management
  • Reception and care of our guests and customers
  • Purchase management including quality assessments, expense tracking and reporting and raising purchase orders for stationery and hardware’s
  • Ordering and administration of mobile phones
  • Administration of company cars
  • Handling and logging incoming and outgoing correspondence, e.g. post, invoices, delivery notes
  • Uploading documents to Docusign.

Successful Candidate

Do you think you are the candidate we are looking for? See below what experience or knowledge you should bring:

  • The position requires a proactive person with excellent organizational skills, a meticulous attention to detail, and a hands-on mentality.
  • As the position is working with the German management team, being a good team player is essential.
  • Good communication skills are essential.
  • Computer literacy and good MS Excel and Word (Microsoft 365) skills are required for the position.
  • Experience with SAP a plus, as well as a good general understanding of company finance/commercial activities.
  • You should have a good educational background together with a successful proven experience in an administrative assistant or similar role.
  • Some financial/business experience/understanding and appropriate IT skills in combination with being a quick learner & able to process new things quickly is more important that professional/educational background.
  • Fluency in German and English is a prerequisite for the position.



Any offer of employment is contingent upon you providing documents to verify your identity and employment eligibility, as required by law.

Applicants are reminded that they will be requested to produce such documentation during the recruitment process.

Please contact a member of the recruitment team if you require further details of acceptable types of documentation required for verification of identity and work authorization. 

Data Protection:

When creating a profile on the Serco Career Centre you agreed to the Data Protection policy, a copy is available upon request.

You may submit a written request revoking your consent to this agreement at any time.

Package Description

What we offer if you join our amazing team:

• Competitive Salary 

• Corporate Benefits Package 

• Support provided to EU Nationals requiring relocation – Information available upon request

• Company events

About the Company

Why should you join Serco ?

At Serco not only is the nature of the work we do important, everyone has an important role to play.

Meaningful and vital work - You’ll contribute to methodologically intercepting challenges whilst achievements will also be recognised and celebrated.

A world of opportunity - You’ll be wholeheartedly supported with development and career progression

Great people - You’ll become an integral member of a well-defined and supportive team who believe passionately in the value of our work.

What we offer

  • Chance to contribute to innovation in the public services sector
  • A company passionate about diversity and inclusion
  • Permanent employment with comprehensive Serco Benefits package.

About Serco

At Serco, not only is the nature of the work we do important, everyone has an important role to play when managing complex public services.  

We are a team of 60,000 people responsible for delivering essential public services around the world, we are innovators, committed to redesigning and improving public services for the benefit of everyone.

By joining Serco you will have unlimited access to our Global Employee Networks – SercoInspire (Gender), SercoEmbrace (Multicultural), SercoUnlimited (Disability) and In@Serco (LGBT & Networks). Serco Employee Networks, led by colleagues who are passionate about diversity, inclusion and belonging. 


Please click on the apply button to be taken to our careers website

Serco is a Disability Confident Employer committed to employing and retaining people with disabilities.  Disabled applicants who meet the minimum criteria for the job will be given the opportunity to demonstrate their abilities at an interview.

Serco European Agencies


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