Christian Villalta
Kilternan
Summary
Data Centre and Network Infrastructure Technician with over 10 years of experience supporting telecom and critical technical environments. Experienced in rack installation, fibre optic troubleshooting (OTDR, Optical Power Meter), hardware deployment, switch configuration, RF calibration, and preventive maintenance.
Proven ability to work in high-availability environments requiring strict SLA compliance, incident response, and health & safety standards.
Overview
15
15
years of professional experience
3
3
Certifications
Work History
Manufacturing Technician
Siemens Healthineers
Swords
01.2025 - 01.2026
- Assisted in maintenance and assembly of new medical devices to ensure operational readiness
- Tested and evaluated technical equipment in compliance with engineering drawings and quality standards
- Minimized equipment downtime through collaboration with engineering teams on troubleshooting and repairs
- Performed firmware updates, device configuration, security patches update and system optimisation Desktop manager
- Supported secure server connections through IP configuration
- Managed cabling setup to ensure connectivity for devices
- Participated in health and safety audits in controlled environments
- Coordinated new hire training and mentoring to facilitate smooth onboarding
- Maintained documentation using SAP
Telecommunications Engineer – Data Centre
TIGO El Salvador
Santa Ana
09.2017 - 01.2024
- Supported deployment of physical data centre infrastructure
- Installed racks, structured cabling, and fiber optic systems, facilitating efficient data centre operations.
- Downstream and upstream Calibration, configuration, and replacement of core network equipment (CMTS servers, Harmonic IP switches, CableOS, Zyxel, Motorola, and Huawei switches)
- Executed cabling tasks across RG11, RG6, RG62A, and RG59B cable types and optical fibers, enhancing connectivity reliability.
- Conducted hardware swaps and preventive maintenance in live environments
- Performed fibre testing using OTDR, Optical Power Meter, and Fibre Microscope
- Performed RF signal calibration and SNR analysis
- Installation and cabling Juniper devices, and CMTS servers.
Technical Support Supervisor
At&t Mobility TELEPERFORMANCE
San Salvador
03.2011 - 05.2017
- Led a 22-member technical support team
- Provided remote technical support for all mobile devices, resolving issues to ensure user satisfaction
- Tracked key performance indicators to evaluate team performance and identify areas for improvement
- Developed troubleshooting procedures and technical documentation
- trained staff on new technologies and systems Android, Windows and IOS
- Developed the TP Client application through workflows
Education
English Course - English Language
Adult Education City of Dublin
Dublin12.2024
English Course - English Language
Dublin City University DCU
Dublin06.2024
Proactive Network Mantainace PNM - Telecommunications
Tigo El Salvador Engineer Academy
El Salvador10.2023
Advanced Executive Assistant And Office Manager Diploma - Computational Science
ITCA FEPADE Technical Engineering School
El Salvador11.2007
Digital Degree Diploma - Computational Science
MINED Ministry of Education of El Salvador
El Salvador09.2006
High School Diploma -
C.E.C Juan XXlll
El Salvador11.2006
Skills
- Equipment maintenance
- Technical troubleshooting
- Firmware updates
- Device configuration
- Network installation
- Performance monitoring
- Calibrate settings
- Team leadership
Affiliations
Data Center Operations, Preventive Maintenance.
TECHNICAL TOOLS AND PLATFORMS
- OTDR - VIAVI ONX ONE EXPERT
- Trilithic DSP - Optical Power Meter
- Spectrum Analyser (Analog and Digital)
- Jira, SAP, NSIT, SecuteCRT, CableOs, Salesforce, Microsoft 365, VPN
- Torque tools
Certification
Driving License B
Languages
English
Advanced (C1)
C1
Spanish
Native
Native
Timeline
Manufacturing Technician
Siemens Healthineers
01.2025 - 01.2026
Telecommunications Engineer – Data Centre
TIGO El Salvador
09.2017 - 01.2024
Technical Support Supervisor
At&t Mobility TELEPERFORMANCE
03.2011 - 05.2017
English Course - English Language
Adult Education City of Dublin
English Course - English Language
Dublin City University DCU
Proactive Network Mantainace PNM - Telecommunications
Tigo El Salvador Engineer Academy
Advanced Executive Assistant And Office Manager Diploma - Computational Science
ITCA FEPADE Technical Engineering School
Digital Degree Diploma - Computational Science
MINED Ministry of Education of El Salvador
High School Diploma -
C.E.C Juan XXlll