Projectleider
Current
Knook Connect B.V.
Sep 2016 - Present
AeroLeads people directory · profile
Siem De Jong Email & Phone Number
Projectleider
at
Knook Connect B.V.
1 work email found
@dulmen.nl
LinkedIn matched
✓ Verified Jul 2026
3 data sources
Profile completeness 86%
Current company
Knook Connect B.V.
Role
Projectleider
Location
The Randstad, Netherlands
Who is Siem De Jong? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Siem De Jong is listed as Projectleider at Knook Connect B.V., based in The Randstad, Netherlands. AeroLeads shows a work email signal at dulmen.nl and a matched LinkedIn profile for Siem De Jong.
Siem De Jong previously worked as Calculator, Account Manager at Volkerwessels Telecom | Infratechniek and Projectleider, calculator, Pre Sales Consultant at Volker Wessels Telecom Van Dulmen.
Company email context
Email format at Knook Connect B.V.
This section adds company-level context without repeating Siem De Jong's masked contact details.
sdejong@dulmen.nl
76% confidence
AeroLeads found 1 current-domain work email signal for Siem De Jong. Compare company email patterns before reaching out.
Profile bio
About Siem De Jong
Siem De Jong is a Projectleider at Knook Connect B.V.. They possess expertise in telecommunications, interim management, b2b, ict, account management and 10 more skills.
Listed skills include Telecommunications, Interim Management, B2B, Ict, and 11 others.
Current workplace
Siem De Jong's current company
Company context helps verify the profile and gives searchers a useful next step.
Knook Connect B.V.
4 roles
Siem De Jong work experience
A career timeline built from the work history available for this profile.
Calculator, Account Manager
Jan 1992 - Sep 2016
Projectleider, Calculator, Pre Sales Consultant
Volker Wessels Telecom Van Dulmen
Het begeleiden en calculeren van Glasvezel, Koper, Telecom en data bekabelings projecten ( Cat5e, Cat6, Cat6a, Cat 7 ), Bedrijfstelefonie oplossingen, WiFi projecten en Beveiligingsinstallaties. Als Consultant ondersteuning geven aan onze verkopers.
Oct 2008 - Jan 2012
Monteur, Uitvoerder, Projectleider, Calculator
Volker Wessels Telecom Van Dulmen
Jan 1992 - Oct 2008
FAQ
Frequently asked questions about Siem De Jong
Quick answers generated from the profile data available on this page.
What company does Siem De Jong work for?
Siem De Jong works for Knook Connect B.V..
What is Siem De Jong's role at Knook Connect B.V.?
Siem De Jong is listed as Projectleider at Knook Connect B.V..
What is Siem De Jong's email address?
AeroLeads has found 1 work email signal at @dulmen.nl for Siem De Jong at Knook Connect B.V..
Where is Siem De Jong based?
Siem De Jong is based in The Randstad, Netherlands while working with Knook Connect B.V..
What companies has Siem De Jong worked for?
Siem De Jong has worked for Knook Connect B.V., Volkerwessels Telecom | Infratechniek, and Volker Wessels Telecom Van Dulmen.
How can I contact Siem De Jong?
You can use AeroLeads to view verified contact signals for Siem De Jong at Knook Connect B.V., including work email, phone, and LinkedIn data when available.
What skills is Siem De Jong known for?
Siem De Jong is listed with skills including Telecommunications, Interim Management, B2B, Ict, Account Management, Change Management, Managed Services, and Coaching.
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