Sandra Onstein
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Sandra Onstein Email & Phone Number

Officemanager (bureausecretaris) bij Stichting RIONED at Stichting RIONED
Location: Ede, Gelderland, Netherlands 7 work roles 4 schools
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✓ Verified August 2026 3 data sources Profile completeness 86%

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Current company
Stichting RIONED
Role
Officemanager (bureausecretaris) bij Stichting RIONED
Location
Ede, Gelderland, Netherlands
Company size
18 employees

Who is Sandra Onstein? Overview

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Quick answer

Sandra Onstein is listed as Officemanager (bureausecretaris) bij Stichting RIONED at Stichting RIONED, a with 18 employees, based in Ede, Gelderland, Netherlands. AeroLeads shows a matched LinkedIn profile for Sandra Onstein.

Sandra Onstein previously worked as Projectassistent / Officemanager (bureausecretaris) at Stichting Rioned and Barman/-vrouw at Café De Boemerang. Sandra Onstein holds Pdb Praktijkdiploma Boekhouden from Manuels Opleidingen.

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Stichting RIONED

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Profile bio

About Sandra Onstein

Creatieve spin-in-het-web en oplossingsgerichte duizendpoot. Ervaren enthousiaste officemanager, managementassistent / projectassistent.

Current workplace

Sandra Onstein's current company

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Stichting RIONED
Stichting Rioned
Officemanager (bureausecretaris) bij Stichting RIONED
ede, gelderland, netherlands
Website
riool.net
Employees
18
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7 roles

Sandra Onstein work experience

A career timeline built from the work history available for this profile.

Projectassistent / Officemanager (Bureausecretaris)

Current
Stichting Rioned

Ede

Aug 2007 - Present

Barman/-Vrouw

Café De Boemerang

Ede

Oct 2006 - Sep 2016

Officemanager

Interim Technology Im

Zeist

Sep 1999 - Dec 2000

Secretaresse Sales Benelux

Haceka B.V.

Amersfoort

Dec 1998 - Aug 1999

Typiste Afdeling Verkoop

Omegon Computersystemen

Veenendaal

Nov 1997 - Nov 1998
Team & coworkers

Colleagues at Stichting RIONED

Other employees you can reach at riool.net. View company contacts for 18 employees →

OK Oscar Kunst Oscar Kunst Colleague at Stichting RionedArnhem-Nijmegen Region, Netherlands View → AL Alexandra Lamp Alexandra Lamp Colleague at Stichting RionedNetherlands View → EO Eric Oosterom Eric Oosterom Colleague at Stichting RionedAlmere, Flevoland, Netherlands View → SH Saskia Holthuijsen Saskia Holthuijsen Colleague at Stichting RionedEde, Gelderland, Netherlands View → YR Yvonne Rietveld Yvonne Rietveld Colleague at Stichting RionedAmsterdam, North Holland, Netherlands View → JJ Jay Jay Kleinendorst Jay Jay Kleinendorst Colleague at Stichting RionedArnhem, Gelderland, Netherlands View → NK Nelly Kalfs Nelly Kalfs Colleague at Stichting RionedArnhem, Gelderland, Netherlands View → AF Arianne Fijan Arianne Fijan Colleague at Stichting RionedThe Randstad, Netherlands View → TB Ton Beenen Ton Beenen Colleague at Stichting RionedThe Randstad, Netherlands View →
4 education records

Sandra Onstein education

Pdb Praktijkdiploma Boekhouden

Manuels Opleidingen

Meao, Secretarieel

Neder-Veluwe College

Havo

Chr. Streeklyceum
FAQ

Frequently asked questions about Sandra Onstein

Quick answers generated from the profile data available on this page.

What company does Sandra Onstein work for?

Sandra Onstein works for Stichting RIONED.

What is Sandra Onstein's role at Stichting RIONED?

Sandra Onstein is listed as Officemanager (bureausecretaris) bij Stichting RIONED at Stichting RIONED.

Where is Sandra Onstein based?

Sandra Onstein is based in Ede, Gelderland, Netherlands while working with Stichting RIONED.

What companies has Sandra Onstein worked for?

Sandra Onstein has worked for Stichting Rioned, Café De Boemerang, Café De Compaen, De Woningstichting, and Interim Technology Im.

Who are Sandra Onstein's colleagues at Stichting RIONED?

Sandra Onstein's colleagues at Stichting RIONED include Oscar Kunst, Alexandra Lamp, Eric Oosterom, Saskia Holthuijsen, and Yvonne Rietveld.

How can I contact Sandra Onstein?

You can use AeroLeads to view verified contact signals for Sandra Onstein at Stichting RIONED, including work email, phone, and LinkedIn data when available.

What schools did Sandra Onstein attend?

Sandra Onstein holds Pdb Praktijkdiploma Boekhouden from Manuels Opleidingen.

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