Technical Consultant, Telecom Manager, IT Project Manager

Bachelor of Science in Electronics Engineering

Don Honorio Ventura Technological State University

(DHVTSU) – 2013

Personal Background

Civil Status : Single

Date of Birth : October 13, 1992

Height : 160 cm

Weight : 115 lbs

Language : English and Filipino

Skills

• Service Delivery & Client Management: SLA tracking, contract compliance, performance metrics

• Telecom Core Network: SS7, Diameter, SIP, Voice, SMS, IMS

• Project & Operations Management: PMP, Agile/Scrum, Root Cause Analysis

• Tools & Platforms: Wireshark, Grafana, JIRA, Microsoft Project

• Leadership & Communication: Team management,

stakeholder engagement, Risk Management, reporting

• Registered Electronics Engineer of the Philippines Technical Consultant Global Message Services (GMS AG) Schochenmühlestrasse 2, 6340 Baar, Switzerland

July 2022- December 2024

• Served as Senior Operations and Maintenance Engineer managing SMS Firewall application, identifying vulnerabilities, and proposing security enhancements to protect networks.

• Delivered full-cycle SMS Firewall projects for Mobile Network Operators across SEA and EMEA.

• Boosted client A2P SMS revenue by deploying targeted monetization strategies and fraud mitigation plans.

• Worked with commercial teams on RFPs, business case and customer integration projects.

• Collaborated directly with the executives to optimize network infrastructure and business outcomes.

Core Network Expert Globe Telecom Inc.

7th avenue corner 32nd street, Bonifacio Global City, Taguig, Philippines April 2016 - June 2022

• Led the technical implementation of Mobile Number Portability

(Philippines) and anti-spam/anti-fraud SMS initiatives, securing networks against vulnerabilities.

• Served as Subject Matter Expert (SME) of SMS, SS7/Sigtran, Roaming, SMPP, and Diameter protocols.

• Implemented KPIs and network analytics to enhance system reliability.

• Worked directly with roaming partners and internal NOC teams to troubleshoot signaling and routing issues.

• Worked closely with vendors to deliver network expansion projects aligned with technical and business objectives

Technical Support Engineer ASTICOM Technology Inc. 5th Floor, Globe Telecom Plaza, Pioneer corner Madison St., Mandaluyong City, Philippines September 2015 - March 2016

• Managed large-scale network expansion projects for Globe Telecom, focusing on the replacement of legacy hardware with high-performance core switches for improved fixed-network capacity.

• Directed hardware commissioning, integration, and acceptance testing of voice and data equipment with vendor, ensuring compliance with project specifications and quality standards.

Technical Support Engineer John Clements Consultants, Inc. 2/F RCI Bldg., 105 Rada St., Legaspi Village, Makati City, Philippines February 2014 - August 2015

• Monitored end-to-end project implementation for core and access equipment deployment for ECI Telecom (Phils.) Inc., ensuring successful delivery of voice/data services for telecom clients.

JOANN VILLANUEVA SINAMBAN

PMP® Certified Project Manager Telecom Expert

*********@*****.*** +639*********

linkedin.com/in/joann-sinamban-5a670b7b

Pampanga, Philippines

Certified PMP and Telecom Expert with extensive

experience in managing and optimizing telecom

infrastructure and network operations. Proven ability to lead teams, streamline processes, and implement

proactive solutions to enhance system reliability and performance. Seeking to leverage project management expertise and technical acumen to drive operational excellence, minimize downtime, and contribute to the strategic goals of a forward-looking organization.

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