Gilberto Alejandro Marquina Lemus
Telecommunications Engineer
Köln
Summary
Dynamic and results-oriented Telecommunications Engineer with over 13 years of experience in telecommunications and IoT sectors. Skilled in managing and optimizing development, architecture, and network services across diverse organizations. Expertise in identifying root causes, crafting innovative solutions, and ensuring seamless deployment while maintaining a strong customer-centric approach for internal stakeholders and end-users. Committed to process improvement and organizational loyalty, driving success in delivering high-quality outcomes that align with business objectives. Proven ability to lead cross-functional teams and foster collaboration to achieve strategic goals.
Overview
20
20
years of professional experience
2
2
Languages
Work History
Product Owner
1NCE
05.2020 - Current
- Lead products and project related to Connectivity and customer simcard profile for IoT business.
- Act as solutions architect in order to relate product and technical development and deployment.
- Define and lead corresponding project and product cycle relationship.
- Support long term planning and form support team of live product
Chief Technical Officer
PAiC Business Development
06.2018 - 05.2020
- Lead technical team for development, architecture and support.
- Enhance R&D department and implement new technological products, features and platforms.
- Implementation of DevOps processes and technology
- Manage technical relationship and processes across all company departments.
Presales Engineer
Telestax
06.2017 - 06.2018
- Technical lead and support for presales with new customers and renewals. Assist support and RnD departments with new implementation and developments as well in hands on when needed. First line of contact for customer satisfaction.
VAS Senior
Digicel El Salvador
11.2014 - 06.2017
- Lead the VAS and Business Application team with the objective to ensure the high availability of the VAS and business application platforms. Manage the control and distribution of the OPEX for the department. Deliver a high quality deliver and on time execution of the commercial requirements.
VAS Engineer
Digicel El Salvador
05.2013 - 11.2014
- Administration, O&M of Billing System, Provisioning Systems, USSD Gateway, SMSC Platform. Develop commercial and marketing requirements related to the platforms.
VAS Planning
Tigo El Salvador
08.2011 - 05.2013
- Coordinate projects related to the VAS platforms related to new integrations, new features, upgrades and replacing of current solutions. CAPEX administration and KPI execution and automation.
Application Support Chief
Tigo El Salvador
01.2011 - 11.2011
- Lead the VAS and Business Application team with the objective to ensure the high availability of the VAS and business application platforms. Manage the control and distribution of the OPEX for the department and guarantee the SOX controls execution. Deliver a high quality deliver and on time execution of the commercial requirements.
VAS Engineer
Tigo El Salvador
01.2011 - 11.2011
- Administration, O&M of IN System, electronic recharge System, USSD Gateway. Execution and handling of SOX controls for ensure a proper auditing of the assigned systems. Rollout of new implementations. Develop automated routines for statistics, monitoring and maintenance for the assigned platforms. Develop on time and commercial requirements following the internal SOX approvals and documentation with no failures or incidents.
NOC Engineer
Tigo El Salvador
01.2006 - 01.2009
- Monitoring GSM Ericsson network, 3G Huawei network, fiber optic transmission network, support of ISP network and equipment of Alvarion, Wimax, Cisco, Juniper vendors. Execute preventive maintenance and first level support of corporate and VIP customers. Create, configure and maintain monitoring routines over Nagios and Cacti systems.
Education
System and Networking Engineer Technician -
ITCA Fepade
01.2004
Skills
Java Experienced
Golang Skillful
php Experienced
Nodejs Experienced
Python Experienced
Bash Experienced
SS7 Experienced
Diameter Experienced
SIP Experienced
Computer Networking MySQL Skillful
postgresql Experienced
Perl Experienced
Apache Druid Skillful
Training
- 2007 GSM AXE Operation, Ericsson
- 2010 Epin Inswitch Operation & Maintenance, Inswitch
- 2007 CISCO Express, New Millenium
- 2008 CCNA, ITCA Fepade
- 2010 Real Time Billing System O&M, Comverse
- 2011 Oracle 11G Administration, DATUM/GBM
- 2012 CISCO ACE LBA
- 2016 Bonitasoft Development
- 2020 Subscription Management Basics, Comprion
Timeline
Product Owner
1NCE
05.2020 - Current
Chief Technical Officer
PAiC Business Development
06.2018 - 05.2020
Presales Engineer
Telestax
06.2017 - 06.2018
VAS Senior
Digicel El Salvador
11.2014 - 06.2017
VAS Engineer
Digicel El Salvador
05.2013 - 11.2014
VAS Planning
Tigo El Salvador
08.2011 - 05.2013
Application Support Chief
Tigo El Salvador
01.2011 - 11.2011
VAS Engineer
Tigo El Salvador
01.2011 - 11.2011
NOC Engineer
Tigo El Salvador
01.2006 - 01.2009
System and Networking Engineer Technician -
ITCA Fepade