Administrative Assistant and Office Manager (25-3-002)

About Solenix and our qualities

Solenix is a privately owned and international company providing engineering and consulting services in the space market, with branches in Germany, Switzerland, and Italy.We are known for high-quality services, user-oriented solutions, reliable partnerships and constructive collaboration. Our customers include space agencies such as ESA, EUMETSAT and DLR, as well as large private sector companies.

Solenix is specialized in distributed systems and client applications and applies modern technologies with a focus on high-performing, robust and light solutions.

Why should you apply?

  • Solenix is a group of motivated, dynamic and creative people who enjoy high-quality work, as well as a relaxed and flexible work atmosphere.
  • You can expect a friendly working environment, exciting and challenging projects and varied team events.
  • Solenix focuses on solution-oriented and innovative approaches.
  • You can look forward to benefits like: hybrid-work concepts, training opportunities, unique community spirit, company events, social clubs, retirement, and health insurance plans. If you want to know more then go to: www.solenix.ch/career.

Job Description

We are looking for a reliable and well organised Administrative Assistant and Office Manager to support the smooth running of our Darmstadt office and to contribute to the wider Corporate Services. The role combines administrative support, coordination of internal processes, and responsibility for ensuring a pleasant and efficient working environment. The successful candidate will work closely with the management team, operational teams, other Corporate Services functions and external partners, and will act as a central point of contact for office-related matters in Darmstadt.

Responsibilities

Administrative Assistant

  • Providing day to day administrative support to management
  • Organising meetings, workshops and company events, including logistics and catering
  • Handling correspondence, filing, record keeping and general administrative duties
  • Contributing actively to recruitment activities, including preparing and publishing job postings, coordinating interviews with recruitment leads and stakeholders, and managing candidate communication and scheduling throughout the process
  • Additional responsibilities may be assigned depending on the profile of the candidate, such as:
  • Supporting HR with onboarding coordination and maintaining employee records
  • Coordinating travel arrangements for staff and maintaining travel documentation
  • Assisting finance with purchase orders, invoice handling and expense tracking
  • Supporting Corporate Services in cross functional tasks when required

Office Manager

  • Coordinating facility-related activities, including liaising with external contractors for cleaning, maintenance and small improvements to ensure a functional and well maintained workspace
  • Managing access to the office, including issuing and revoking keys or electronic tokens and keeping accurate records
  • Overseeing the procurement, inventory and replenishment of office supplies and everyday items
  • Coordinating front desk and reception activities, such as visitor management and handling incoming calls
  • Supporting workplace health and safety activities, including practical coordination of risk assessments, emergency procedures and well being initiatives, in alignment with HR requirements
  • Acting as the point of contact for suppliers, service providers and building related matters

Required Skills and Experience

  • Proven experience in administrative support or office management
  • Strong organisational skills and attention to detail
  • Excellent spoken and written English
  • Good working knowledge of German, i.e. able to independently liaise with German-speaking vendors
  • Proficiency with standard office software and digital collaboration tools
  • Ability to manage multiple tasks, prioritise effectively and work independently
  • Strong communication and interpersonal skills, with the ability to interact professionally with colleagues and external partners
  • High level of reliability, confidentiality and professionalism
  • Comfortable managing practical office related tasks

Desirable Skills and Experience

  • Knowledge of workplace health and safety procedures
  • Experience organising company events or coordinating logistics
  • Experience in recruitment support or HR administration
  • Familiarity with finance processes such as purchase orders or invoice handling
  • Experience in a technical, engineering or consulting environment
  • Familiarity with facility management coordination

Work Location: Darmstadt, Germany

Application Deadline: 31. January 2026

Start of Work: As soon as possible

Please note that we welcome interest from candidates with diverse experiences and backgrounds. Additionally, studies have shown that people from underrepresented groups are less likely to apply for a job unless they meet every single qualification. If you're excited about this role and believe you can make a meaningful impact, please apply and allow our recruiters to assess your application.

Grow with us and become part of Solenix. We look forward to welcoming you. Make the change and apply now!

 

Important Notes

Before applying to this position, please read the page How to Apply.
Applicants must be EU citizens or have a valid work and residence permit for the above-mentioned work location.
Security, identity and reference checks on the candidates are part of the recruitment process.

Job Application

Please send your applications electronically to career@solenix.ch before the application deadline 31 January 2026.