Dennis Lieman
Sr. Presales Consultant Managed Mobility & Cyber Security at VodafoneZiggo | Bussum, North Holland, Netherlands
Engage
candidates 10x faster
Enjoy unlimited access and discover candidates outside of LinkedIn
Trusted by 1.4M users from 76% of Fortune 500 companies
The most accurate data ever
CCPA Compliant
GDPR Compliant
150M
Personal Emails
200M
Work Emails
100M
Direct Dials
250M
Professional Profiles
40M
Company Profiles
Find anyone, anywhere
with ContactOut
today
Making remote or global hires?
Connecting
with key decision-makers? We can help.
- 40 emails / month
- 3 phone numbers / month
- Works on standard LinkedIn only
-
Work emails, personal emails,
mobile numbers
No credit card required
Sr. Presales Consultant Managed Mobility & Cyber Security at VodafoneZiggo in April 2023 to Present
Sales Consultant Managed Mobility & Security at VodafoneZiggo at VodafoneZiggo in October 2016 to March 2023
Sales Consultant Enterprise Mobility at mITE Systems, a Vodafone company in March 2015 to October 2016
Consultant at Pink Elephant in February 2014 to April 2015
Technical Consultant Unified Communications at Nobel in October 2007 to April 2015
Network Engineer at Axians in February 2003 to October 2007
Telecom & Netwerkbeheer at Electrabel Netherlands in March 2006 to January 2007
IT Engineer at Centocor in January 2004 to January 2005
See more
See less
HU University of Applied Sciences Utrecht (Hogeschool Utrecht), Bachelor's Degree, August 2026
Citrix Certified Professional – Mobility (CCP-M), (CCP-M)
Cisco Certified Design Associate, CCDA
Cisco Certified Network Associate Wireless, CCNA Wireless
Cisco Certified Voice Professional, CCVP
Cisco IP Communications Express Specialist, CCME
Cisco IP Telephony Design Specialist
Cisco Networking Academy, CCNA
Citrix Access Gateway Enterprise
Prince II foundations
Vantronix Certified Professional
See more
See less
Cybersecurity
Cisco Technologies
Unified Communications
ITIL
Telecommunications
Citrix
IT Service Management
Networking
Security
Network Security
Cloud Computing
Cisco Call Manager
ICT
PRINCE2
Data Center
CCNP
Mobile Device Management
Citrix XenMobile
ICT Consultancy
Wireless Networking
Cisco Communications Manager
Netscaler
Cisco Wireless
Enterprise Mobility
Information Technology
See more
See less
Discover more about VodafoneZiggoWhat is Dennis Lieman email address?
Email Dennis Lieman at [email protected] and [email protected]. This email is the most updated Dennis Lieman's email found in 2026.
What is Dennis Lieman phone number?
Dennis Lieman phone number is 3018077162.
How to contact Dennis Lieman?
To contact Dennis Lieman send an email to [email protected] or [email protected]. If you want to call Dennis Lieman try calling on 3018077162. (updated on February 23, 2025)
What company does Dennis Lieman work for?
Dennis Lieman works for VodafoneZiggo
What is Dennis Lieman's role at VodafoneZiggo?
Dennis Lieman is Sr. Presales Consultant Managed Mobility & Cyber Security
What industry does Dennis Lieman work in?
Dennis Lieman works in the Information Technology & Services industry.
Dennis Lieman Email Addresses
Dennis Lieman Phone Numbers
looking for?
Find personal and work emails for over 250M professionals.
People like Dennis Lieman
Project Manager at Fichtner
IT Specialist at ABS Laundry Business Solutions
Manager Veiligheid at Alliade