Communications Intern

Unisys | Madrid, Spain | Oct 2013 - Jun 2014

• Resolved Cisco/HP network incidents across routers, switches, and firewalls, helping ensure 99.9% AENA uptime.

Service Management Intern - Global Video Platform (GVP)

Telefonica I+D | Madrid, Spain | Nov 2014 - Jun 2015

• Facilitated service management operations and follow-up tasks for the Global Video Platform.
• Assisted with incident coordination, reporting, and SLAs within the video platform environment.

Monitoring Tools Intern - Global Video Unit (GVU)

Telefonica I+D | Madrid, Spain | Jul 2015 - Oct 2015

• Supported the development and maintenance of monitoring tools and IT activities for the Global Video Unit.
• Assisted operational tooling tasks aimed at improving service visibility and day-to-day support.
• Implemented CI/CD with Puppet/YAML via GitOps using GitLab and Bitbucket, and enhanced debugging through Splunk logs.

Monitoring Tools & KPI Engineer

TCP, a UST Global Company (Client: Telefonica I+D) | Madrid, Spain | Nov 2015 - Apr 2017

• Engaged in technical validation, troubleshooting, and service support for diverse platform layers.
• Worked with engineering and operations teams on deployment support, environment stability, and platform continuity.
• Architected high-availability Graphite monitoring systems, ensuring 24/7 streaming error tracking.
• Led Witbe CPE/OTT testing, optimizing zapping time and Video Quality (QoE) KPIs for seamless streaming.
• Configured Zabbix monitoring and alerts, reducing HA systems incident response time by 30%.

Optiva Media - QA Automation Engineer

Optiva Media (Client: Liberty Global) | Amsterdam, Netherlands | Mar 2017 - Dec 2017

• Developed E2E test case scripts for web with Selenium, devices, and backend APIs with Postman, increasing release reliability.
• Planned and executed regression, release validation, and RCA across full-stack layers, reducing critical bugs.
• Collaborated with development teams to guarantee 100% E2E coverage, issue reproduction, and quality assurance workflows.
• Drove regression testing and defect analysis across agile deliveries, ensuring stable releases.
• Validated seamless CPE firmware upgrades (ACS), backend APIs, microservices, and internal tools.
• Contributed to stable releases through automated, exploratory, and API validation with cross-layer troubleshooting.

Senior Integration & QA Engineer

Liberty Global | Amsterdam, Netherlands | Jan 2024 – Oct 2025

• Ensure QA Coverage across 3 environments, 5 countries, multiples devices, maintaining end-to-end platform stability.
• Architected an in-house Video Experience Lab from scratch, covering all E2E environments, tenants, and devices.
• Designed Jira dashboards and validations reports, reducing manual reporting time by 40%.
• Proactively monitored fix versions and critical updates, preventing bottlenecks and minimizing platform release delays.
• Prevented lost tracking by mapping new features/devices to XTestPlans, guaranteeing 100% E2E traceability.
• Automated Wiki release reports (PUS, TUS, Bugs) via Jira integration, accelerating management decisions.
• Drove strategic decisions and platform reliability via KPI analysis using Grafana, Kibana, and Looker.
• Supported AI-driven product validation and demos (Super Search) for new user-facing intelligent search capabilities.

Integration & QA Automation Engineer

Liberty Global | Amsterdam, Netherlands | Jan 2018 – Dec 2023

• Engineered HA QA network infra for CPE/OTT across multiple environments, tenants and devices.
• Integrated deployments and rollbacks in CI/CD via Jenkins and Ansible, cutting downtime by 35%.
• Maintained uptime for containerized environments across Linux, Docker Swarm, RabbitMQ Cluster & MySQL.
• Architected and integrated E2E testing frameworks via RobotFramework for CPE (IPTV/OTT).
• Managed infrastructure, networks, and deployment pipelines for QA framework releases (CPE/APPs).
• Accelerated incident resolution (MTTR) by 25% leveraging Elasticsearch logs and Root Cause Analysis (RCA).
• Component Owner for Obelix (HDMI capture, IR, PDU, DNS, DHCP, Routing), enabling E2E video QA monitoring.
• Led 12-engineer Agile QA team in Jira, boosting sprint delivery efficiency and overall quality.
• Automated E2E reporting workflows utilizing Python scripts, ELK stack, Jira, Wiki, and auto-notifications.
• Reduced flaky tests & false positives by optimizing test reliability via Kibana and Mocha deep-dive log analysis.