Senior Office Manager

AddOptics; Rotterdam; On-site; EUR 41,000 - 48,000; Full time

Benefits offered by this job

Hard and meaningful challenge

Varied role

Management exposure

Team celebrations

Job summary

AddOptics in Rotterdam, NL, is seeking an experienced Office Manager to keep our growing team organized and efficient. You’ll oversee facilities, vendors, mail, and day-to-day operations while supporting a tight-knit engineering group.

With 5+ years in office management, you bring hands-on practicality, strong planning, and tech-savvy skills to implement scalable processes. This full-time role reports to the COO and offers meaningful challenges and opportunities to shape how we work.

Qualifications

• 5+ years of experience in office management or a similar hands-on role.
• Hands-on mentality: you are happy to pitch in with the practical side of running an office.
• Strong planning and time-management skills, with the ability to keep several priorities on track at once.
• Experience with vendors and purchasing.
• Proactive, with a strong sense of ownership and initiative.
• Reliable and detail-oriented, with strong follow-through.
• Tech-savvy and comfortable adopting new digital tools and systems.

Responsibilities

• Keep our office, facilities and maintenance running smoothly, including the daily basics such as housekeeping, restocking supplies and keeping the kitchen in order, so the team has a great place to work.
• Manage office supplies, purchasing and relationships with external vendors
• Coordinate mail, deliveries and visitors, so every guest and every package is handled well
• Prepare outgoing parcels and book couriers
• Coordinate office safety, including BHV and RI&E, together with external specialists
• Plan and organize team events, catering and internal communication
• Keep shared calendars, meeting rooms and the planning rhythm of the Management Team in order
• Build and improve the routines and tools that keep the office running as we grow

Skills

Office management

Planning

Vendor management

Hands-on mindset

Communication

Tech-savvy

Tools

MS Office

Job description

We're Growing Fast. Be the One Who Keeps Everything Running.

Location: Rotterdam, NL Commitment: Full time Experience: 5+ years

We design and manufacture precision lenses for the next generation of smart eyewear, combining vision correction with electronics and displays. We are a team of 15 engineers, technical specialists and deep-tech enthusiasts, and we are expanding our product range and production capacity. You join at a stage where processes are still taking shape, and you help shape them.

As Office Manager, you make sure our team can focus on building world-class optics, because everything around them just works. You are the go-to person for the office, facilities, vendors and visitors, and you bring structure to a start-up that is growing fast. In a team of 15, that means both the big picture and the practical day-to-day. You report to our COO Lesley and work daily with the whole team.

What You’ll Be Working On

• Keep our office, facilities and maintenance running smoothly, including the daily basics such as housekeeping, restocking supplies and keeping the kitchen in order, so the team has a great place to work

• Manage office supplies, purchasing and relationships with external vendors

• Coordinate mail, deliveries and visitors, so every guest and every package is handled well

• Prepare outgoing parcels and book couriers

• Coordinate office safety, including BHV and RI&E, together with external specialists

• Plan and organize team events, catering and internal communication

• Keep shared calendars, meeting rooms and the planning rhythm of the Management Team in order

• Build and improve the routines and tools that keep the office running as we grow

What We’re Looking For

• 5+ years of experience in office management or a similar hands‑on role

• A hands‑on mentality: you are happy to pitch in with the practical side of running an office

• Strong planning and time‑management skills, with the ability to keep several priorities on track at once

• Experience with vendors and purchasing

• Proactive, with a strong sense of ownership and initiative

• Reliable and detail-oriented, with strong follow‑through

• Tech‑savvy and comfortable adopting new digital tools and systems

The Kind of Person Who Thrives Here

You like bringing structure to a growing company, you anticipate needs before they are raised, and you stay calm and organized when priorities shift. You are the kind of person who sees the bigger picture and still notices when the coffee is running low. You want to be the dependable person that the team, our vendors and our visitors can all rely on.

What You’ll Get

• Salary of €3.700 to €4.300 gross per month

• A hard and meaningful challenge — be part of building and operating a growing deep-tech company with real‑world impact.

• A varied role where you’ll continuously learn, solve problems, and develop new skills.

• Real responsibility and the opportunity to work closely with management.

• We take the work seriously, and we take the time to celebrate what we achieve together