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Driekus Heijsteeg Email & Phone Number

Senior infrastructure specialist at Gemeente Haarlem
Location: The Randstad, Netherlands, Netherlands 22 work roles 10 schools
1 work email found @vattenfall.com 1 phone found area 165 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 1 phone

Work email d****@vattenfall.com
Direct phone (165) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Senior infrastructure specialist
Location
The Randstad, Netherlands, Netherlands
Company size

Who is Driekus Heijsteeg? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Driekus Heijsteeg is listed as Senior infrastructure specialist at Gemeente Haarlem, a company with 860 employees, based in The Randstad, Netherlands, Netherlands. AeroLeads shows a work email signal at vattenfall.com, phone signal with area code 165, and a matched LinkedIn profile for Driekus Heijsteeg.

Driekus Heijsteeg previously worked as OT infra specialist at Gemeente Haarlem and Technical Consultant at Legian. Driekus Heijsteeg holds Giac Gicsp (Global Industrial Cyber Security Professional) from Gicsp.

Company email context

Email format at Gemeente Haarlem

This section adds company-level context without repeating Driekus Heijsteeg's masked contact details.

{first}.{last}@vattenfall.com
86% confidence

AeroLeads found 1 current-domain work email signal for Driekus Heijsteeg. Compare company email patterns before reaching out.

Profile bio

About Driekus Heijsteeg

A go-getter who quickly sees through complex situations and brings and keeps the right people in touch in a pleasant and clear way.With over 30 years of technical experience in infrastructure, monitoring, cyber security and networks, Driekus Heijsteeg prefers to work internationally.At the interface of IT and OT in the wind industry, he knows the recent developments and knows where the challenges lie.Driekus comes into his own when working as part of a team. Through direct, verbal communication he ensures motivation and results.-----------------------30+ years working in an international environment-----------------------GICSP (Global Industrial Cyber Security Professional)Specialties: Network monitoring, Performance monitoring,Log analysis, IT improvements, IT stability, Change Control,IT/OT Cyber Security

Listed skills include Cisco Technologies, Security, Perl, Itil, and 23 others.

Current workplace

Driekus Heijsteeg's current company

Company context helps verify the profile and gives searchers a useful next step.

Gemeente Haarlem
Gemeente Haarlem
Senior infrastructure specialist
netherlands
Website
Employees
860
AeroLeads page
22 roles · 37 years

Driekus Heijsteeg work experience

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

Ot Infra Specialist

Current

Haarlem, North Holland, Netherlands

Inventory and advisory on OT infrastructure

Aug 2024 - Present

Technical Consultant

Current

The Hague Area, Netherlands

Oct 2015 - Present

Senior Infrastructure Specialist

Amsterdam/UK

Jan 2019 - Jul 2024

Senior Technical Specialist

Amsterdam Area, Netherlands

Apr 2018 - Dec 2018

Technical Project Manager

Amsterdam Area, Netherlands

Feb 2018 - Apr 2018

Operations Manager Vattenfall Network Services Emea

The Hague Area, Netherlands

Sep 2015 - Feb 2018

Manager Network Operations Netherlands / Uk

Amsterdam Area, Netherlands

Oct 2012 - Sep 2015

Manager Monitoring And Remote Operations (Poland)

Gliwice Area, Poland

May 2012 - Nov 2012

•Network Management Engineer

Jun 2010 - May 2012

Member Of Solution Design Optimization Team

Feb 2011 - Feb 2012

Network Management Consultant

Jun 2006 - Sep 2012

Network Management Engineer

Nuon Ict
Jun 2010 - Dec 2010

Network Management Engineer At Backbone Support

Sep 2007 - Dec 2009

Network Engineer At Backbone

Kpn
2006 - Aug 2007

Infrastructure & Communication Analyst

Kuwait Petroleum Northwesteurope
Jun 1998 - May 2006

Infrastructure & Communication Analyst

Kuwait Petroleum International
Jun 1998 - May 2006

Network Specialist

Kuwait Petroleum
1991 - 2006 ~15 yrs

Organizor

Eja
Jan 2000 - Dec 2001

Infrastructure & Communication Analyst

Kuwait Petroleum Benelux
Jun 1991 - May 1998

Network Manager

Brinkman
1990 - 1991 ~1 yr

Systeem Beheerder

Koninklijke Brinkman Bv
1989 - 1991 ~2 yrs
Team & coworkers

Colleagues at Gemeente Haarlem

Other employees you can reach at haarlem.nl. View company contacts for 860 employees →

10 education records

Driekus Heijsteeg education

Giac Gicsp (Global Industrial Cyber Security Professional)

Gicsp

Full License

Ham Radio Operator

Education record

Marcom-B / Vhf Marine Radio

Hbo

Ncoi Hbo Management

Education record

Cisco Ccnp

Education record

Itil V3

Education record

Prince2

Education record

Sans

Education record

Mts Leyweg Computer Science

Education record

Louis Hage Mavo
FAQ

Frequently asked questions about Driekus Heijsteeg

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

What company does Driekus Heijsteeg work for?

Driekus Heijsteeg works for Gemeente Haarlem.

What is Driekus Heijsteeg's role at Gemeente Haarlem?

Driekus Heijsteeg is listed as Senior infrastructure specialist at Gemeente Haarlem.

What is Driekus Heijsteeg's email address?

AeroLeads has found 1 work email signal at @vattenfall.com for Driekus Heijsteeg at Gemeente Haarlem.

What is Driekus Heijsteeg's phone number?

AeroLeads has found 1 phone signal(s) with area code 165 for Driekus Heijsteeg at Gemeente Haarlem.

Where is Driekus Heijsteeg based?

Driekus Heijsteeg is based in The Randstad, Netherlands, Netherlands while working with Gemeente Haarlem.

What companies has Driekus Heijsteeg worked for?

Driekus Heijsteeg has worked for Gemeente Haarlem, Legian, Vattenfall, Nuon, and At&T.

Who are Driekus Heijsteeg's colleagues at Gemeente Haarlem?

Driekus Heijsteeg's colleagues at Gemeente Haarlem include Gineke Haars, Petronella Kos, Boudewijn Almekinders, John Tier, and Birgitt De Bruijn.

How can I contact Driekus Heijsteeg?

You can use AeroLeads to view verified contact signals for Driekus Heijsteeg at Gemeente Haarlem, including work email, phone, and LinkedIn data when available.

What schools did Driekus Heijsteeg attend?

Driekus Heijsteeg holds Giac Gicsp (Global Industrial Cyber Security Professional) from Gicsp.

What skills is Driekus Heijsteeg known for?

Driekus Heijsteeg is listed with skills including Cisco Technologies, Security, Perl, Itil, Networking, Network Administration, Firewalls, and Ccna.

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