Pieter Keijzer Email & Phone Number

Rotterdam, South Holland, Netherlands

Pre-sales and post-sales for all iBASIS propositions for voice and mobile service for international telecommunications and roaming wholesale markets.The portfolio comprises international mobile signaling and data roaming and interworking, IoT global access, SMS A2P Monetisation, Communication Platform As a Service, Carrier Voice for Teamwork, international voice, anti fraud solutions

The Hague Area, Netherlands

iBasis, a KPN company, helps mobile network operators, MVNEs, MVNOs and Service Providers increase revenues with a complete portfolio of roaming, signaling, data, voice and SMS messaging services.Responsible for the EMEA region as (pre-)sales engineer / consultant for iBasis' Mobile and Innovation portfolio of services:- international 2/3G SS7 and 4G LTE signaling - 3G GRX and 4G data (GRX over IPX) roaming - SMS hubbing / interworking and outbound A2P- SMS Firewall- Roaming Integrator Service to leverage KPN Mobile roaming agreements- Voice over LTE (VoLTE)- IPX Provider for the international Service Provider community

Propagation of plants and maintenanceSale of plantsRental agreementsPurchase of materialsManage shop site contentExecution of webshop orders

Utrecht Area, Netherlands

Acision is the messaging and charging company of choice for more than 230 operator groups and service providers, supporting over 1.8 billion subscribers worldwide with 1,100 employees, working with customers in 135 countries across six continents.Business development focussed on IP messaging for mobile operators with evolution paths from existing popular messaging services like SMS and MMS.Responsible for Rich Communications Messaging, RCS from the Cloud, SMS over IP, SMS Spam and Fraud Control, Personalised Messaging, SMS routing, MMS, VoiceMail.Proposition development including pricing and go-to-market execution for text and multimedia messaging areas.Customer enagements, account strategies, pre-sales and account management trainings.Responsible for sales demonstration environment.

Responsible for the SMS Next Generation product suite and Central Management System • Translating customer use cases and requirements towards development• Creation of product sales collateral• Driving product development with design reviews and discussions• Presentations, workshops and tender hearings with global telecom customers, prospects and user groups• Global sales support and sales training

Utrecht Area, Netherlands

Responsible for the SMS product suite, the number 1 in sales for 20 years to over 100 customers globally.• Presentations, workshops and tender hearings with global telecom customers and prospects• Answering of RFI and RFQ• Global sales support• Representative in the SMPP forum and ETSI driving SMS interconnect

Utrecht Area, Netherlands

Responsible for software development projects with up to 8 people• Realisation of SMS application gateway and SMS in GSM, CDMA and TDMA mobile networks• Implemented software improvement programs• Project audits and software inspections

Amsterdam Area, Netherlands

I started my professional career at CMG Information Technology, a fast growing software development & consultancy company from 500 to 40.000 employees in 15 years.• Software maintenance, support, development and delivery of mobile network security infrastructure application suite for NMT networks in Europe and Russia• Software developer and architect for the SMS product suite. CMG is the number 1 SMS infrastructure supplier globally.• Software maintenance, development and delivery of GSM security infrastructure product Equipment Identity Register• Acceptance test projects and customer training at customers in Europe, Eastern Europe, Russia and Africa

Bachelor'S Degree, Computer And Information Sciences, General

Atheneum