Office Assistant

Leiden, The Netherlands

Mendus is looking for an Office Assistant – dynamic personality, supporting the management team and international organization

Mendus is a biopharmaceutical company focused on therapies addressing tumor recurrence and hard-to-treat established tumors, two key challenges in oncology. Based in Sweden and the Netherlands, Mendus is publicly traded on the Nasdaq Stockholm.

To support the management team and the broader international organization, we are looking for a dynamic personality who will act as

Office Assistant

Your position

You will be part of the office team that is responsible for ensuring successful workflows, schedules, communications and office settings on a daily basis. You will perform a variety of administrative duties: responding to calls and mails, schedule meetings and take minutes, coordinate staff travel arrangements, assist in on- & offboarding of employees and manage our IT partner.

To be successful, you have:

A bachelor degree (or equivalent working proficiency)
3 years relevant working experience, preferably in a biotech or pharma company
Excellent writing and communication skills in English and Dutch
Proficient use of Microsoft Office365 (Outlook, Excel, Word, Teams, PowerPoint)

As office assistant you are supportive, approachable, thriving on multitasking and able to oversee multiple activities. You are the heart of the organization and take care of the office operations as the first contact for colleagues and external stakeholders. You have a mindset for precision and quality regarding your work. As a team player you cooperate with your colleagues and communicate clearly. Being result oriented, pro-active, and thinking in opportunities comes naturally to you.

What we offer

A people-oriented, exciting workplace with an experienced and ambitious team that strives for continuous improvement, with the final goal to change the course of cancer treatment, but also for social cohesion and team-spirit. Your work will be based in our new offices in the PlusUltraLeidenbuilding in the Leiden Bioscience Park.


Applications can be sent via email to