Office Assistant (Part-time)

For decades, DTN has been the silent force behind some of the world’s most critical industries—helping businesses navigate complexity, uncertainty, and risk with smarter, faster decisions. From agriculture to energy to weather intelligence, our proprietary Operational Decisioning Platform transforms raw data into decision-grade insights—enabling companies to optimize supply chains, ensure market stability, and safeguard infrastructure against disruption. We don’t follow trends—we set the standard for precision, trust, and operational impact. DTN is at an exciting inflection point. Building off a foundation of financial strength, profitability, and industry trust, we’re accelerating growth and expanding our global footprint. Our purpose-built solutions—powered by AI and honed by decades of vertical expertise—are helping some of the world’s most significant enterprises thrive amid operational constraints and uncover new opportunities in a fast-changing world. J ob Description: As the DTN’s office assistant, you will be responsible for welcoming visitors and answering the telephone and replying to emails with a prompt, professional and efficient manner. You will be dealing with customer enquiries, as well as dealing with the day-to-day activities and tasks in Utrecht office. The position demands accuracy, attention to detail, computer expertise and general initiative. A willing team spirit to contribute to the pleasant working environment is essential. This is a part-time role (3 full days per week, or alternatively 4 to 5 half days), with fixed working days on Tuesday to Thursday . On these days, on-site presence in the office is mandatory due to the nature of the role. In occasional cases, working from home may be permitted subject to prior agreement with the Head of House/manager. What you will be responsible for: Handles the day-to-day administrative operations, provides a multiple of tasks to support all departments and staff based out of the Utrecht office Answering phones in a timely and polite manner, route calls to the appropriate individual or department as needed, taking detailed and accurate messages when necessary Serve as the single-point-of-contact at the office with regards to mail, supplies, parcels and office refreshments such as fruit and drinks Arranging non-standard travel bookings and/or changes for management and employees Maintaining contacts with our travel agent Welcome and provide general support to visitors Assists in scheduling meetings and appointments Maintaining the office management handbook with all operational procedures, important contact details and work instructions Managing the stationery, coffee and cleaning supply stock levels and ordering Managing all incoming and outgoing mail Resolve office-related malfunctions and respond to employee requests or issues Liaise with Courtyard-reception and facility management vendors, including cleaning, catering, mail, coffee and security services Maintaining the office condition and arranging necessary repairs Manage the issuance and administration of employee access / parking cards in conjunction with HR Assist HR and Recruitment in the onboarding process for new hires Support and maintain the office operations and procedures Assist in making travel arrangements and restaurant bookings Occasionally carry out clerical duties such as filing, copying, printing and mailings Assist in the planning of in-house or off-site activities, like get togethers, parties, celebrations and conferences Keeping the work area clean and neat at all times What you will bring to the role: Experience as Administrative Assistant/Office Assistant. Languages: Fluency in English and Dutch. Other languages will be a plus Good knowledge of Microsoft Office and agenda planning tools Knowledge of office administrator responsibilities, systems and procedures Proficiency in Microsoft Office365 (Excel, Word and Outlook, in particular) Hands-on experience with office machines (e.g. binding machines, multifunctional printers). Excellent time management skills and ability to multi-task and prioritize work Attention to detail and problem-solving skills Excellent written and verbal communication skills A creative mind with an ability to suggest improvements Used to work in an international environment First Aiders (BHV) certification What you can expect from DTN: 30 Annual Vacation Days Commuting allowance Pension contribution Hybrid work model + Work from Abroad Policy (30 workdays per year) Free access to the gym in our building; once a month office cake moment! Unlimited access to 13k+ courses via learning platform to support employee career advancement Employee Assistance Program (EAP) The targeted hiring base pay range for this position is between € 26,906 and € 35,875 annually. (Note, this range is for full-time, and the final offer may differ for part-time). DTN is a pay for performance organization, which means there is the opportunity to advance your compensation with performance over time. The actual base pay offered for this position will be dependent upon many factors, including but not limited to: prior work experience, training/education, transferable skills, business needs, internal equity and applicable laws. The targeted hiring base pay range is subject to change and may be modified in the future. This role may also be eligible for market competitive variable pay and benefits. #LI-DD1 #LI-Onsite About DTN: DTN is a global data and technology company helping operational leaders in energy, agriculture, and weather-driven industries make faster, smarter decisions. Our Operational Decisioning Platform turns complex data into decision-grade insights—empowering customers to expand their margins, accelerate growth, and outpace risk. With more than 1,200 employees globally, DTN serves the companies that feed, fuel, and protect the world. At DTN, we value clarity, trust , and action . We’re a team of problem-solvers, outcome-drivers, and industry nerds who believe that precision matters – and that mission is at the core of what we do. Trust Built: We earn it. We keep it. We protect it. Our neutrality, precision, and integrity are non-negotiable. Confidence-Driven: We help customers move with clarity and conviction. We bring the data and operational knowledge leaders need to act. Built for Industry: We speak operations because we come from operations. Our expertise is forged in fuel terminals, fields, flight paths, and forecasts. Future-Forward: We see what’s coming- and we’re ready. We help customers lead through change with smarter decisioning. Recruitment Fraud Notice: DTN is aware of incidents where external parties have impersonated our organization, issuing fraudulent communications and/or job offers. Please be advised that all legitimate communication from DTN will come from an official @dtn.com email address or through our Paradox AI automated scheduling platform (Talent IQ). Any offers are extended directly by our Talent Acquisition team following a formal interview process. If you receive a suspicious message or offer claiming to be from DTN, please do not engage. Contact our Talent Acquisition team at to verify the legitimacy of any communication. Report any fraudulent messaging as phishing or spam. DTN is an Equal Opportunity Employer. We welcome and encourage applicants of all backgrounds, including minorities, women, veterans, and individuals with disabilities.