Sander Siemonsma
Technical IT Engineer at Rabobank
Wageningen, Gelderland, Netherlands
Summary
👤
Senior🎓
Top SchoolSander Siemonsma is a seasoned Technical IT Engineer with over 11 years of hands-on experience designing, operating and supporting Microsoft-centric infrastructure, currently specializing in Exchange (on‑prem and Online), Active Directory and PowerShell automation at Rabobank. He holds multiple Microsoft certifications spanning Windows Server, Exchange and SharePoint, and has deep operational experience across Exchange 2003–2010, Windows Server 2008/2012 and related security and endpoint technologies. Sander’s background includes second-line support for complex enterprise services and a long track record of improving reliability and manageability through scripting and platform expertise. Based in Wageningen, he combines practitioner-level troubleshooting with automation-driven efficiencies, and is known for translating entrenched legacy environments into smoother, more maintainable services.
11 years of coding experience
MBO, systeembeheer, MBO, systeembeheer at Horizon College
Dutch, English, powershell
Github Skills (19)
docker-container10
command-line-utility10
icloud10
exchange-server9
alpine-linux9
iobroker9
home-assistant9
zigbee8
dsc7
microsoft-exchange7
mqtt7
post-processing4
powershell-dsc4
python3
eventlog3
Programming languages (5)
Github contributions (5)
ketjap/Connect-ExchangeService
Sep 2018 - Feb 2019
Contributions:7 commits, 5 pushes, 1 branch in 4 months
ketjap/choco
Jun 2024 - Jul 2024
Contributions:23 pushes, 1 branch in 17 days
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