It Specialist
Current
Aug 2018 - Present
AeroLeads people directory · profile
Theo Timmer Email & Phone Number
IT Specialist bij Alliander
at
Alliander
1 work email found
@alliander.com
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
IT Specialist bij Alliander
Location
Amsterdam, North Holland, Netherlands
Company size
Who is Theo Timmer? Overview
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Quick answer
Theo Timmer is listed as IT Specialist bij Alliander at Alliander, a company with 5219 employees, based in Amsterdam, North Holland, Netherlands. AeroLeads shows a work email signal at alliander.com and a matched LinkedIn profile for Theo Timmer.
Theo Timmer previously worked as IT Specialist at Alliander and System Engineer Logistiek at Technische Unie. Theo Timmer holds Implementing Microsoft Azure Infrastructure Solutions from Compu'Train.
Company email context
Email format at Alliander
This section adds company-level context without repeating Theo Timmer's masked contact details.
{first}.{last}@alliander.com
89% confidence
AeroLeads found 1 current-domain work email signal for Theo Timmer. Compare company email patterns before reaching out.
Profile bio
About Theo Timmer
Ik ben een sportieve 50+-er met een nuchtere en relativerende instelling. Ik hou van aanpakken, ben sociaal en zeer hulpvaardig. Ik bezit een goed analytisch vermogen, ben resultaatgericht en heb een dienstverlenende instelling. Samen met de klant tot een goed eindresultaat komen geeft mij energie. Ik kan zowel zelfstandig als in teamverband werken en heb een flexibele werkhouding.theo.timmer@upcmail.nl
Listed skills include Windows Server, Vmware, Vmware Vsphere, Incident Management, and 2 others.
Current workplace
Theo Timmer's current company
Company context helps verify the profile and gives searchers a useful next step.
Alliander
7 roles
Theo Timmer work experience
A career timeline built from the work history available for this profile.
System Engineer Logistiek
May 2017 - May 2018
Systeembeheerder / Ict-Support
Keyprocessor
Systeembeheerder Microsoft server omgevingICT-support kantoormedewerkers (desktop, laptop. printers, W7, W10)Microsoft Exchange 2010Microsoft Office 2010/2013
Nov 2016 - Apr 2017
Windows Server-Beheerder
Beheer serverpark > 2500 serversWindows Server 2003, 2008 en 2012 (fysiek/virtueel)VMWare / vSphereIncident- en Problem Mgt.Windows security patches dmv SCCMQuality Control process Windows server deploymentMonitoring / SCOMTSM backupEPO / McAfeeHPSIMCMDB
Jan 2006 - Jun 2015
Sr. Systeem Specialist
Deelgenomen aan een samenwerkingsproject tussen ING en IBM voor een nieuw ING-kantoren platform op basis van OS/2 servers en werkstations.2e/3e lijn supportSoftware en Data distributie / implementatieProductie Acceptatie Testen (software, hardware)
Jan 1994 - Dec 2005
Sr. Systeem Programmeur Ibm Mainframe
Onderhoud en implementatie netwerkcomponenten (software) IBM Mainframe2e/3e lijn support netwerkcomponenten IBM Mainframe
Jan 1988 - Dec 1993
Systeem Operator Ibm Mainframe
Operationeel beheer IBM Mainframe. 2e lijn support ING-kantoren platform (Nixdorf)
Feb 1983 - Dec 1987
Team & coworkers
Colleagues at Alliander
Other employees you can reach at alliander.com. View company contacts for 5219 employees →
PJ
Pim Joosten
Colleague at Alliander
Amsterdam, North Holland, Netherlands, Netherlands
View →
AV
Arie Van Vliet
Colleague at Alliander
Netherlands, Netherlands
View →
JD
Jaco De Wit
Colleague at Alliander
Ijmuiden, North Holland, Netherlands, Netherlands
View →
KB
Koos Buffing
Colleague at Alliander
Amsterdam, North Holland, Netherlands, Netherlands
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JK
Jurgen Keijzer
Colleague at Alliander
Eerbeek, Gelderland, Netherlands, Netherlands
View →
RV
Rene Van Der Deijl
Colleague at Alliander
Hellevoetsluis, South Holland, Netherlands, Netherlands
View →
MU
Mokhtar Uahabi
Colleague at Alliander
Utrecht, Utrecht, Netherlands, Netherlands
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赵
赵许可
Colleague at Alliander
Chaoyang District, Beijing, China, China
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DO
Dennis Overweg
Colleague at Alliander
Amsterdam, North Holland, Netherlands, Netherlands
View →
FV
Fred Van Leeuwen
Colleague at Alliander
Alphen Aan Den Rijn, South Holland, Netherlands, Netherlands
View →
Pim Joosten
Colleague at Alliander
Amsterdam, North Holland, Netherlands, Netherlands
View →
AV
Arie Van Vliet
Colleague at Alliander
Netherlands, Netherlands
View →
JD
Jaco De Wit
Colleague at Alliander
Ijmuiden, North Holland, Netherlands, Netherlands
View →
KB
Koos Buffing
Colleague at Alliander
Amsterdam, North Holland, Netherlands, Netherlands
View →
JK
Jurgen Keijzer
Colleague at Alliander
Eerbeek, Gelderland, Netherlands, Netherlands
View →
RV
Rene Van Der Deijl
Colleague at Alliander
Hellevoetsluis, South Holland, Netherlands, Netherlands
View →
MU
Mokhtar Uahabi
Colleague at Alliander
Utrecht, Utrecht, Netherlands, Netherlands
View →
赵
赵许可
Colleague at Alliander
Chaoyang District, Beijing, China, China
View →
DO
Dennis Overweg
Colleague at Alliander
Amsterdam, North Holland, Netherlands, Netherlands
View →
FV
Fred Van Leeuwen
Colleague at Alliander
Alphen Aan Den Rijn, South Holland, Netherlands, Netherlands
View →
9 education records
Theo Timmer education
Implementing Microsoft Azure Infrastructure Solutions
Compu'Train
Mcsa Windows Server 2012
Compu'Train / Qnh
Managing Office 365 Identities And Requierments
Compu'Train / Qnh
Mcitp Windows Server 2008
Global Knowledge
Mcsa Windows Server 2003
Compu'Train
Vmware Certified Professional V1.3
Compu'Train
Fysiotherapie
Stichting Akademie Voor Fysiotherapie Amsterdam
Vwo
Cartesius Lyceum Amsterdam
Havo
Cartesius Lyceum Amsterdam
FAQ
Frequently asked questions about Theo Timmer
Quick answers generated from the profile data available on this page.
What company does Theo Timmer work for?
Theo Timmer works for Alliander.
What is Theo Timmer's role at Alliander?
Theo Timmer is listed as IT Specialist bij Alliander at Alliander.
What is Theo Timmer's email address?
AeroLeads has found 1 work email signal at @alliander.com for Theo Timmer at Alliander.
Where is Theo Timmer based?
Theo Timmer is based in Amsterdam, North Holland, Netherlands while working with Alliander.
What companies has Theo Timmer worked for?
Theo Timmer has worked for Alliander, Technische Unie, Keyprocessor, Ing Nederland, and Ing.
Who are Theo Timmer's colleagues at Alliander?
Theo Timmer's colleagues at Alliander include Pim Joosten, Arie Van Vliet, Jaco De Wit, Koos Buffing, and Jurgen Keijzer.
How can I contact Theo Timmer?
You can use AeroLeads to view verified contact signals for Theo Timmer at Alliander, including work email, phone, and LinkedIn data when available.
What schools did Theo Timmer attend?
Theo Timmer holds Implementing Microsoft Azure Infrastructure Solutions from Compu'Train.
What skills is Theo Timmer known for?
Theo Timmer is listed with skills including Windows Server, Vmware, Vmware Vsphere, Incident Management, Problem Management, and Itil.
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