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Nicolas Vargas

Antenna Technician

Santiago, Santiago Metropolitan Region, Chile

6+ Years Exp

Summary

Nicolas is an Antenna Technician with experience in ISO 27001 implementation, vulnerability management, infrastructure monitoring, and customer support. He has hands-on experience with RF technologies (2G/3G/4G/5G), field team supervision, and incident response, gained through leading nationwide 5G deployment projects. He demonstrates strong technical acumen in networking and signal processing concepts, with practical exposure to tools such as Splunk, FireEye, and sandbox environments. Nicolas combines cybersecurity and antenna fieldwork expertise with proven problem-solving, technical project coordination, and vendor management skills. His well-rounded background also includes risk assessments and data recovery, making him adept at supporting complex antenna and communication system environments.

Technical Skills

Detailed View

Cybersecurity & Risk Management

ISO 27001 Implementation & Auditing

Technical Project Coordination & Reporting

Customer support

Vulnerability Management

Infrastructure Monitoring (SIEM)

Field Team Supervision

Incident Response & Forensic Analysis

RF Technologies (2G/3G/4G/5G)

Signal Processing Concepts

ISO 27001 Standard

Development And Maintenance Of Security Policies And Procedures

Security Controls

Sandbox

Backup & Recovery > Recovery > Data Recovery

Splunk

2G Networks

3G Networks

4G Networks

5G Networks

Work Experience

IT Specialist

ARKHO

Temporary | 25/01/2024 - 31/10/2024

Chile

Led the full implementation of the ISO 27001:2022 standard across the organization to ensure compliance with international information security guidelines.
Developed and maintained information security policies and procedures aligned with ISO 27001 requirements.
Reviewed, documented, and managed security controls, assigning responsibilities by area and validating proper implementation.
Designed and executed continuous improvement strategies based on risk assessments, cybersecurity trends, and emerging threats.
Planned and conducted internal audits to verify adherence to ISO 27001:2022 and Crime Prevention Model (CPM) regulations.
Monitored and analyzed security incidents, identified vulnerabilities, and implemented mitigation action plans.
Executed and documented the 93 ISO 27001 controls, liaising with relevant departments for implementation and assigning control owners.
Managed technical assessments and vendor proposals for specialized cybersecurity services including perimeter protection and ethical hacking.

Radio Frequency Engineer & Field Personnel Supervisor

Huawei

Full Time | 24/09/2021 - 03/03/2023

Chile

Coordinated deployment of satellite communication links for remote and Last Mile environments, acting as primary or backup connectivity in infrastructure-limited areas.
Led installation and parameterization of automated antenna control systems as an RF Engineer at Huawei.
Integrated ground communication systems with AWS cloud infrastructure, ensuring secure, resilient operations.
Monitored and analyzed satellite link quality, latency, and availability, resolving critical incidents and maintaining high service levels.
Managed RF and satellite transmission protocols, including DVB-S, DVB-S2, S-Band, X-Band, FEC, and beacon signal tracking.
Applied networking protocols such as TCP, UDP, SNMP, and NTP in real-time communication systems.
Ensured secure transmission using VPN, SSH, SHA-3 encryption, and SNMP; aligned with ISO 27001 and MPD data protection standards.
Implemented digital signal processing techniques, including QAM and PSK modulation, filtering, SNR analysis, and FEC/CRC for error correction.
Executed antenna deployments for satellite and point-to-point systems, focusing on alignment, polarization, and gain optimization (dBi).
Oversaw the end-to-end management of Chile’s nationwide 5G network deployment.
Supervised field teams conducting SSV (Single Site Verification) and reviewed installation quality.
Verified physical infrastructure and logical site parameters, ensuring network compliance and performance.
Generated network performance reports with key KPIs and parameter measurements.
Managed contracts and negotiations with subcontractors and facilitated reconciliation processes with clients.
Conducted weekly audits to evaluate the effects of network changes on service quality and KPI trends.
Oversaw the nationwide deployment of 5G infrastructure, from planning to execution.

Cybersecurity Analyst

Falabella CDC

Temporary | 23/01/2019 - 04/02/2020

Chile

Monitored cybersecurity vulnerabilities via tickets from Splunk SIEM and responded to threats in real time.
Investigated suspicious emails and blocked malicious IP addresses using FireEye tools.
Detected and escalated potential banking fraud cases for Banco Falabella.
Created weekly reports detailing vulnerabilities, attack types, and IOC impacts.
Performed proactive URL blocking and sandboxed files in virtual environments to identify malicious behavior.
Applied ISO 27001 practices to assess risks, implement controls, and lead internal user awareness trainings.
Documented NIST framework protocols, outlining protection, detection, response, and recovery strategies for critical systems.

Network Operations Supervisor

Telefonica

Full Time | 24/01/2018 - 05/12/2018

Chile

Performed field diagnostics and measurements using tools like spectrum analyzers, VSWR meters, and SSV to validate signal performance.
Contributed to RFI mitigation strategies and optimized radiation patterns in complex environments.
Monitored the national mobile network, addressing disruptions across 2G, 3G, and 4G services.
Identified and analyzed alarms affecting mobile service delivery.
Coordinated with on-ground teams to resolve issues and carry out scheduled maintenance tasks.
Detected and corrected misconfigurations in network site setups or escalated them when needed.
Collaborated with various departments during emergencies to assess service impacts caused by vandalism or natural disasters.

Solutions Executive

VTR

Full Time | 26/01/2017 - 01/12/2017

Chile

Provided Tier 1 technical support, verifying network connectivity for both residential and commercial clients.
Assisted customers with equipment configuration and usage guidance.
Logged service update requests and resolved basic network and account issues.

Education

Bachelor's Degree in Telecommunications

INACAP

Major in Connectivity, and Network Engineering

Certifications

Splunk Fundamentals

Splunk

Fortinet Network Security Expert 1

Fortinet

Fortinet Network Security Expert 2

Fortinet

Fortinet Network Security Expert 3

Fortinet

Fortinet Certified Fundamentals in cybersecurity

Fortinet

Norma ISO 27001-2022

AWS Partner: Technical Accredited

Credly

AWS Partner: Sales accreditation

Credly

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