Office Manager / PA — 359.tennis

359.tennis; Netherlands; Hybrid; EUR 17,000 - 25,000; Part time

Benefits offered by this job

Part-time role

Premium sport environment

Direct impact

Job summary

359.tennis Amstelveen is seeking an Office Manager/PA to support Roland in the daily organisation, with 12–20 hours per week and a hybrid work setup. You’ll help with planning, administration, invoices and customer communication, while Roland remains responsible for tennis operations.

Your strength is structure, accuracy and follow-up. You will turn small operational chaos into calm, professional routines, without taking over the coaching side.

Qualifications

• Accurate and reliable.
• Calm, friendly and practical.
• Strong in administration and overview.
• Good written communication.
• Digitally comfortable.
• Discreet with customer and child-related information.
• Enjoys supporting someone practically.
• Not in the spotlight.

Responsibilities

• Support lesson planning, schedules, appointments, reminders and practical organisation.
• Keep lists, data, attendance, documents and follow-up points structured.
• Help check, follow up and organise invoice and payment questions.
• Prepare emails to parents, players and customers and monitor follow-up.
• Support communication around group placement, changes and practical questions.
• Track open actions, reminders, forms and customer questions.
• Help prepare practical coach meetings, documents and planning.
• Create simple checklists, templates and working rhythms.

Skills

Planning

Administration

Customer communication

Data management

Follow-up

Discretion

Structure

Attention to detail

Job description

NTC Amstelveen 12–20 hours / week Employment or freelance negotiable Posted: May 2026

Become the right hand who brings structure, calm and follow-up to 359.tennis.

359.tennis is growing into a more professional organisation where lessons, planning, parent communication, administration and coach support need to work together more smoothly.

We are looking for a reliable Office Manager / PA to support Roland in the daily organisation.

You help with planning, administration, customer communication, invoices, lists, follow-up and overview. You do not take over the tennis operation. Roland remains operationally and strategically responsible.

Your strength is structure, accuracy and follow-up. You make sure practical tasks do not get stuck and help the organisation run more calmly and professionally.

What you will do

• Planning & overview — Support lesson planning, schedules, appointments, reminders and practical organisation.
• Administration — Keep lists, data, attendance, documents and follow-up points structured.
• Invoices & payments — Help check, follow up and organise invoice and payment questions.
• Customer communication — Prepare emails to parents, players and customers and monitor follow-up.
• Group information — Support communication around group placement, changes and practical questions.
• Follow-up — Track open actions, reminders, forms and customer questions.
• Coach organisation — Help prepare practical coach meetings, documents and planning.
• Structure building — Help create simple checklists, templates and working rhythms.

Who you are

Accurate and reliable Calm, friendly and practical Strong in administration and overview Good written communication Digitally comfortable Discreet with customer and child-related information Enjoys supporting someone practically Does not need to be in the spotlight Can help turn small operational chaos into structure

Preferred: experience as a PA, office manager, administrative assistant, planner or customer support professional. Experience in sport, education, hospitality or premium service. Affinity with tennis or youth development is helpful but not required.

What this role is not

• Not an Operations Manager role
• Not a coach leadership role
• Not responsible for tennis content
• Not a role where you take over operations from Roland

What we offer

• A part-time role with direct impact
• Work in a premium sport environment
• A varied role across planning, administration and customer communication
• Close collaboration with Roland
• Room to bring structure into a growing organisation
• 12–20 hours per week, schedule in consultation
• Location: NTC Amstelveen, partly remote possible
• Salary/conditions in consultation, based on experience and availability

About 359

359.tennis is a premium tennis school and proof environment for the 359 Method and Fit Fun Focus. Tennis is the vehicle; development is the goal. We are building better lessons, clearer progress, stronger parent communication and a more professional organisation.