Office Manager

Ofiniti; Randstad; On-site; EUR 29,000 - 32,000; Part time

Benefits offered by this job

Holiday allowance

25 vacation days per year (full-time)

Job summary

Ofiniti is seeking an organized Office Manager to keep our Rotterdam workplace running smoothly and support the people side of our business. This part-time role (20 hours/week) blends light HR administration with day-to-day office coordination.

You’ll ensure HR questions are answered, contracts prepared, payroll support provided, and the office run efficiently with neat lunch arrangements and supplies management.

Qualifications

• Proactive mindset and ability to act without prompting.
• Attention to detail and cleanliness in an office setting.
• Strong organizational skills balancing HR admin with hands-on tasks.
• Discretion and confidentiality handling sensitive information.
• Good communication and approachable presence in the office.

Responsibilities

• Serve as first point of contact for employees’ HR questions.
• Track and manage holiday requests and sick leave.
• Prepare and maintain employee contracts.
• Assist with salary and payroll preparation.
• Organize lunch arrangements for the team.
• Keep the pantry tidy and manage office supplies.
• Handle general office tasks to keep things tidy and functional.

Skills

Dutch

English

HR administration

Office coordination

Discretion

Job description

Ofiniti is a leading independent operational platform for bunkering and maritime operations, serving more than 150 customers worldwide. Through its flagship platform, FuelBoss, Ofiniti delivers digital twin technology, global vessel movement visibility, real-time operational intelligence, and automated documentation for marine fuels and port call operations. The platform connects suppliers, customers, ports, terminals, shipping lines, and infrastructure to create a shared operational picture across the maritime ecosystem. By turning real-time and historical data into actionable insights, Ofiniti enables better decision-making, controlled execution, and continuous performance improvement. Headquartered in Oslo with operations in Singapore, the Netherlands, and a growing international presence, Ofiniti focuses on improving efficiency, transparency, collaboration, and reducing waste in modern marine operations.

About the Role

We’re looking for an organized, proactive Office Manager to keep our workplace running smoothly and support the people side of our business. This is a part-time role (20 hours/week) that blends light HR administration with day-to-day office coordination. Perfect for someone who takes pride in a well-run, welcoming workplace and likes having variety in their day.

You’ll be the person who notices what needs doing before anyone has to ask, and who makes sure both our people and our office are well taken care of.

What You’ll Do

People & HR Support

• Act as the go-to person for employees’ HR-related questions
• Track and manage holiday requests and sick leave
• Prepare and maintain employee contracts
• Support salary and payroll preparation

Office Coordination

• Organize lunch arrangements for the team
• Keep the shared pantry tidy, including managing the dishwasher
• Manage grocery and supply shopping for the office
• Handle general office odds and ends to keep things tidy and functional

What We’re Looking For

• A proactive mindset. You spot what needs attention and act on it, rather than waiting to be asked
• A keen eye for detail and cleanliness; you notice the small things that make an office feel well cared for
• Strong organizational skills and comfort juggling HR admin with hands-on office tasks
• Discretion and reliability when handling sensitive employee information
• Good communication skills and a friendly, approachable presence in the office
• Comfortable being the first point of contact for employee questions, with a helpful and discreet approach
• You speak both Dutch and English

Why Join Us

• A varied role where no two days look exactly the same
• A trusted position at the heart of how our team and office functions
• Salary between €2,600 and €2,900 gross per month, based on full-time employment (40 hrs)
• A contract for 20 hours per week
• Good secondary employment benefits (e.g. holiday allowance and 25 vacation days per year based on full-time employment)
• A great workplace at the Van Nelle Factory, a UNESCO World Heritage Site, conveniently located in Rotterdam
• But above all, a challenging job where you can learn a lot and have plenty of opportunities to grow together with the organization!