Erwin Gilsing
Inside Sales / Bid Manager at Tesorion | Eindhoven, North Brabant, Netherlands
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Erwin Gilsing currently serves as an Inside Sales / Bid Manager at Tesorion, a leading Dutch cybersecurity firm dedicated to safeguarding organizations against evolving cyber threats. In his role, Erwin plays a pivotal part in orchestrating the bid process for complex cybersecurity solutions tailored to the public sector, ensuring that Tesorion’s offerings—ranging from advanced firewalls and Check Point security appliances to cloud security and information security services—are positioned effectively to meet client needs. His deep expertise in solution selling, combined with a comprehensive understanding of web security, DLP (Data Loss Prevention), two-factor authentication, and application security, enables him to craft compelling proposals that resonate with government agencies and public institutions.
Erwin’s current projects often involve coordinating cross-functional teams to develop tailored cybersecurity strategies that incorporate cutting-edge technologies such as cloud computing, websense, and Bluecoat solutions. His ability to build and maintain strong relationships with customers, business partners, and vendors ensures seamless communication and trust throughout the sales cycle. Moreover, Erwin’s focus on customer satisfaction and operational risk mitigation underscores his commitment to delivering value-driven security solutions that protect critical infrastructure and sensitive data.
With a proven track record in coaching and educating sales support teams, Erwin excels at providing strategic direction and fostering a collaborative environment. His expertise in cybersecurity, combined with his skill in navigating complex bid processes, makes him a trusted advisor for clients seeking robust, compliant, and innovative security solutions. Whether addressing the intricacies of application security or implementing multi-factor authentication, Erwin Gilsing continues to drive Tesorion’s mission of empowering organizations to confidently face the digital threat landscape.
Inside Sales / Bid Manager at Tesorion in November 2022 to Present
Manager Inside Sales KPN Security at KPN in April 2019 to February 2022
Team Lead Inside Sales at QSight IT in September 2016 to March 2019
Team Lead Business Operations at Onsight Solutions BV in April 2010 to August 2016
Team Lead Inside Sales at Onsight Solutions BV in January 2008 to March 2010
Operational Product Manager at Onsight Solutions BV in February 2004 to December 2007
Major Account Manager at ALLASSO BENELUX BV in March 2001 to January 2004
Inside Sales Engineer at ACAL nederland in July 1999 to February 2001
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Fontys University of Applied Sciences, Bachelor’s Degree, July 1994 to July 1999
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IT-bedrijfsprocessen
Security
Firewalls
Checkpoint
fortinet
Sales Operations
Analytisch denkvermogen
Klantentevredenheid
Cloud Computing
Network Security
Information Security
Bluecoat
Websense
IPS
IDS
RSA Security
Internet Security
Resellers
Application Security
Encryption
Licensing
Distributors
Virtualization
Two-factor Authentication
Solution Selling
DLP
Data Security
Renewals
F5
Sales
Cyberbeveiliging
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Discover more about TesorionWhat is Erwin Gilsing email address?
Email Erwin Gilsing at [email protected] and [email protected]. This email is the most updated Erwin Gilsing's email found in 2026.
How to contact Erwin Gilsing?
To contact Erwin Gilsing send an email to [email protected] or [email protected]. (updated on March 07, 2025)
What company does Erwin Gilsing work for?
Erwin Gilsing works for Tesorion
What is Erwin Gilsing's role at Tesorion?
Erwin Gilsing is Inside Sales / Bid Manager
What is Erwin Gilsing's Phone Number?
Erwin Gilsing's phone +44 ** **** *147
What industry does Erwin Gilsing work in?
Erwin Gilsing works in the Computer & Network Security industry.
Erwin Gilsing Email Addresses
Erwin Gilsing Phone Numbers
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