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Office Manager & Executive Assistant

Roseman Labs

Utrecht
Part-time
2-5 years experience
Hybrid

€3,100 - €4,800 per month

Key Skills

Office management
Executive assistance
Business operations
HR support
Payroll coordination
Invoicing
Onboarding
Event planning
Stakeholder management
Microsoft 365
English
Dutch
Confidentiality
Bookkeeping
GDPR compliance

Job Description

Ready to change the way organisations work with sensitive data? Roseman Labs has built the platform for secure information sharing networks, so organisations learn new insights from each other’s data without revealing their own. Major European banks already use it to fight financial crime, while law enforcement and defence organisations use it to protect national security. Our work with public and healthcare organisations led us to jointly receive the Dutch Privacy Award for the third consecutive time in 2026.

We’re a team of 35 people from 6 nationalities, with backgrounds ranging from cryptography and engineering to sales, customer success and operations. We work from our office in Utrecht, and we’re curious, ambitious, and enjoy working together. As a young and fast-growing company, we’re getting ready for our next phase of international growth.

About the role 

In this role you work directly with our Head of Operations and other members of the company leadership to keep the business running smoothly. As part of our team, you help bring people together in our office space and ensure people enjoy coming in. You take initiative to maintain and improve the office as a welcoming space for the team and external visitors.

We’re looking for someone proactive who’s comfortable working independently and enjoys daily presence in the office. As the company grows, the role and emphasis can shift over time. This gives you a lot of opportunities for growth and for shaping the role to your ambitions.

What you’ll do

  • Business operations. Be the linking person between team managers and our HR/payroll provider for all matters related to payments, HR policies and people. You support payments, invoicing and the onboarding of new team members. Our processes are in place, but not set in stone. We expect and welcome your ideas to improve them.

  • Run the office and bring the team together. You’ll look after the office and bring people together with team-wide events and social activities. You get people involved and make it easy for them to pitch in. You are a facilitator as much as a do-er; encouraging initiatives with a pragmatic can-do mentality. 

  • Management support. You’ll support management and shareholder meetings, calendars and travel arrangements. You often interface directly with external stakeholders and handle competing priorities with professionalism and efficiency. 

  • Shape the role together. It’s a broad role with room to grow in the direction that suits you. We’ll work that out together.

What we offer

  • €3,100–€4,800 gross per month based on 40 hours, pro rata for 20–32 hours

  • Equity participation and additional benefits

  • Company pension and a generous WGA-hiaat (disability) insurance

  • 25 holidays (excluding national holidays), plus a flexible leave policy

  • Hybrid working from our office in Utrecht



What we’re looking for

  • 3+ years of experience as Executive Assistant, Office Manager or similar 

  • Organised, detail-oriented, and comfortable juggling several priorities

  • Strong writing and speaking skills in both English and Dutch

  • Confident with Microsoft 365 and fast learning new tools

  • You handle confidential information with discretion

Nice to have

  • Experience in a SaaS or tech scale-up

  • Familiarity with EU HR compliance and GDPR

  • A basic understanding of bookkeeping and invoicing

Core Responsibilities

You will manage daily business operations, including HR and payroll coordination, while facilitating office culture and team events. Additionally, you will provide direct support to leadership with scheduling, travel arrangements, and stakeholder communication.

Requirements

The ideal candidate has 3+ years of experience in an administrative or executive support role and is proficient in English and Dutch. You must be organized, detail-oriented, and comfortable working with Microsoft 365 in a fast-paced environment.

Benefits

  • Equity participation
  • Company pension
  • Disability insurance
  • 25 holidays
  • Flexible leave policy

About Roseman Labs

Industry: IT Services and IT Consulting

Company size: 11-50 employees

Roseman Labs makes it fast and easy for organizations to work together on sensitive data to generate Trusted Collective Intelligence - without giving up control of their data, and in full regulatory compliance.

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