Open To Work
LEOVIGILDO SALIBIA Jr.
Monroe,North Carolina
Summary
Telecommunications Engineer with over 20 years of experience in wireless networks, transmission systems, and multi-vendor RAN technologies, including Ericsson, Nokia, Huawei, and Tellabs. Expertise in installation, integration, testing, commissioning, and operations and maintenance for GSM, UMTS, LTE, and 5G networks. Proven history of supporting large-scale carrier deployments for industry leaders such as T-Mobile, AT&T, Verizon, Sprint, STC, and Mobily. Deep knowledge in microwave transmission, IP transport, and backhaul modernization. Recognized for technical leadership and field support excellence while consistently delivering high-performance network solutions that enhance efficiency through collaborative teamwork and strong diagnostic skills.
Overview
23
23
years of professional experience
1
1
Certification
Work History
Switch Technician
T-Mobile
Charlotte, NC
06.2021 - 01.2026
- Delivered daily technical support to field technicians and contractors across deployed RAN and transmission technologies.
- Executed backhaul modernization including bandwidth expansion, 1G→10G migrations, and MW/Satellite-to-Fiber transitions.
- Managed and maintained Ericsson RAN infrastructure including BSCs, RNCs, and call servers.
- Integrated new site builds and onboarded them into OSS platforms.
- Led decommissioning of legacy GSM infrastructure.
Field Operation Technician
T-Mobile
Washington, DC
07.2017 - 05.2021
- Performed daily O&M for assigned markets ensuring high network availability.
- Installed, integrated, and tested new site builds.
- Executed hardware upgrades from Ericsson DUS to Basebands.
- Performed backhaul upgrades from Nokia SAR → SAS → IXR platforms.
Field Operations Support Engineer (T-Mobile Project)
NextGen Global Resources LLC
Hampton, VA
10.2016 - 07.2017
- Supported field teams in site restoration, troubleshooting, and alarm clearing.
- Installed, integrated, and tested new site builds.
- Executed Ericsson DUS → Baseband and Nokia SAR → SAS → IXR backhaul upgrades.
Field Integrator (AT&T Project)
Quadgen Wireless Solutions
Mississippi, USA
05.2016 - 10.2016
- Installed, integrated, and tested new AT&T LTE/UMTS sites.
- Performed Ericsson baseband hardware upgrades.
Telecom Engineer (Ericsson / T-Mobile / Sprint / AT&T)
Fusion Solutions
CA / AL
01.2013 - 01.2016
- Installed, integrated, and tested GSM/UMTS/LTE sites for major U.S. carriers.
- Supported LTE modernization (DUL → DUS), UMTS modernization (CBU → DUW), and LTE 700/1900 rollouts.
- Performed configuration, troubleshooting, and power upgrades across multiple markets.
- Delivered RAN field engineering support for 2G/3G/LTE networks.
Telecom Engineer (Ericsson / AT&T / Verizon)
T-Systems
Birmingham, AL / Chicago, IL
01.2012 - 01.2013
- Installed, integrated, and tested GSM/UMTS/LTE sites.
- Supported AT&T modernization and new site deployments.
Telecom Engineer (STC 2G/4G Modernization)
Sky Telecom
Jeddah, Saudi Arabia
06.2012 - 10.2012
- Installed and tested SIU for 2G migration to IPRAN.
- Configured and troubleshot IP-based 2G transmission.
- Supervised RBS 22xx → RBS 6201 swap activities.
Transmission Engineer (Mobily / Huawei O&M)
Arab Turkish Maintenance & Construction Co.
Al Khobar, Saudi Arabia
12.2010 - 04.2012
- Performed preventive and corrective maintenance for transmission nodes.
- Conducted site inspections and FAT activities.
- Restored down sites and ensured network stability.
- Managed spares, logistics, and asset control.
- Executed transmission capacity and software baseline upgrades.
Telecom Engineer (Ericsson / STC)
Saudi Trans Telecoms Co.
Riyadh, Saudi Arabia
08.2008 - 09.2010
- Supervised installation, commissioning, and troubleshooting of Mini Link HC/TN/E and RBS 22xx/32xx/6xxx.
- Conducted acceptance tests for 2G/3G sites including alarms, antenna systems, power, and transmission.
- Performed traffic rerouting, MW cutovers, and capacity upgrades.
- Led site surveys for 3G co-location and transmission expansion.
Systems Support Engineer
Tel Trade Communications & Development Inc.
Makati, Philippines
04.2006 - 08.2008
- Managed O&M for Tellabs DXX 6300 transport equipment.
- Performed troubleshooting, module replacement, software upgrades, and capacity expansions.
- Served as NOC Duty Engineer for Tellabs 8000 NMS.
- Supported node acceptance, commissioning, and RF interference testing.
Field Engineer
Yoshimoto Pole Construction
Philippines
02.2005 - 08.2006
- Installed and maintained broadband services for business clients.
- Ensured spare material readiness and compliance with safety standards.
Technical Support Engineer
Eastern Telecoms
Manila, Philippines
08.2002 - 07.2003
- Installed and maintained telephone, payphone, and data services.
- Performed line transfers, activations, and special projects.
- Conducted facility testing and coordinated with TOC and field teams.
Education
Bachelor of Science - Electrical, Electronics And Communications Engineering
University Of The East
Caloocan City, Metro Manila Philippines04-2001
Skills
- RAN Technologies: GSM / UMTS / LTE / 5G
- Transmission Systems: Microwave, Fiber, IP Transport
- Network Integration & Commissioning
- Troubleshooting & Field Support
- Acceptance Testing & Quality Audits
- Microwave Path Design (PathLoss)
- Preventive & Corrective Maintenance
- NOC Operations & Network Monitoring
- Ericsson OMT, Mini Link Craft Terminal, Mini Link Service Manager
- PathLoss Microwave Design
- Anritsu Site Master, OTDR, BER Tester
- Network configuration
- Wireless networking
- Sunrise Multi Tester, Optical Power Meter, TEMS
- Ericsson: RBS 22xx / 32xx / 6xxx, Basebands, Mini Link HC/TN/E
- Nokia: 7950 XRS, 7705, SaS Mx, IXR
Backhaul Upgrades (1G → 10G, MW → Fiber)
- Tellabs: 6350, 6345, 6340, 6325, 6320, 6310, 8170, 8160, 8140, 8120, 8110
- Equipment testing
- Network design
- Routing protocols
- Wireless technologies
- Switching technologies
- Circuit provisioning
- Safety awareness
- Installation and maintenance
- Troubleshooting and repair
- Structured cabling
- IP networking
- Network troubleshooting
- Fiber optics
- Power distribution
- Hardware installation
- Electrical safety
Accomplishments
- Achieved Target 10G migrated circuits by completing preparation, following up with the checked issues and executing the migrations with accuracy and efficiency.
- Collaborated with team of RF team in the development of GSM decom to meet the target BSC shutdown.
- Documented and resolved the implementation and integration process which led to Local Field Operations to follow and implement without supervision of Switch Tech remotely
Certification
- Licensed Electronics and Communications Engineer - November 2021
Languages
English
Professional Working
Work Preference
Job Search Status
Open to workWork Type
Full TimeLocation Preference
On-SiteRemoteHybridSalary Range
$45000/yr - $200000/yrTimeline
Switch Technician
T-Mobile
06.2021 - 01.2026
Field Operation Technician
T-Mobile
07.2017 - 05.2021
Field Operations Support Engineer (T-Mobile Project)
NextGen Global Resources LLC
10.2016 - 07.2017
Field Integrator (AT&T Project)
Quadgen Wireless Solutions
05.2016 - 10.2016
Telecom Engineer (Ericsson / T-Mobile / Sprint / AT&T)
Fusion Solutions
01.2013 - 01.2016
Telecom Engineer (STC 2G/4G Modernization)
Sky Telecom
06.2012 - 10.2012
Telecom Engineer (Ericsson / AT&T / Verizon)
T-Systems
01.2012 - 01.2013
Transmission Engineer (Mobily / Huawei O&M)
Arab Turkish Maintenance & Construction Co.
12.2010 - 04.2012
Telecom Engineer (Ericsson / STC)
Saudi Trans Telecoms Co.
08.2008 - 09.2010
Systems Support Engineer
Tel Trade Communications & Development Inc.
04.2006 - 08.2008
Field Engineer
Yoshimoto Pole Construction
02.2005 - 08.2006
Technical Support Engineer
Eastern Telecoms
08.2002 - 07.2003
Bachelor of Science - Electrical, Electronics And Communications Engineering
University Of The East