Professional summary

I hold a vocational qualification in Networked Computer Systems Administration (ASIR) and I worked as a junior systems administrator at NewSecuryTechnic (NST), where I was involved in equipment maintenance, network incidents, inventory, technical documentation and daily operations in a corporate environment.

My current focus is on QA automation, with hands-on practice in Java, JUnit, Maven, Cucumber, Selenium WebDriver and Postman, supported by a solid foundation in Linux, SQL, web deployments, Git, Docker and Jenkins.

Key areas

QA Automation

Test automation based on Java, JUnit, Maven, Cucumber, Selenium WebDriver and Postman, with practice focused on functional validation, BDD scenarios and REST API testing.

Linux / Windows systems

Technical foundation in systems administration, work with Linux and Windows environments, equipment maintenance, troubleshooting and infrastructure operations.

Networking and troubleshooting

Experience in incident resolution, remote router configuration and networking fundamentals, including IPv6, VLAN, NAT and ACL.

CI/CD and deployment

Work with Git and GitHub, Jenkins, Docker and basic deployment of services and applications, including automation and remote server deployment.

Databases and web services

Knowledge of SQL and relational databases, together with deployment and basic operation of web services such as Apache, Nginx, DNS and SSL/TLS certificates.

Key technologies

Testing and QA

Java, JUnit, Maven, Cucumber, Gherkin, Selenium WebDriver, Postman, JMeter, Vitest, TDD, BDD and Jira.

Systems and infrastructure

Linux, Windows, Apache, Nginx, DNS, SSL/TLS, Git and GitHub.

DevOps and automation

Jenkins, Docker, Podman, Ansible, Terraform, Kubernetes and Vagrant.

Networking and security

IPv6, VLAN, NAT, ACL, OpenVPN, WireGuard, OpenSSL, GPG, iptables and nftables.

Databases

SQL, PL/SQL, PostgreSQL, MySQL, MariaDB and Oracle.

Professional experience

Junior systems administrator

NewSecuryTechnic (NST), Alcalá de Guadaíra

  • Preventive and corrective maintenance of IT equipment in a corporate environment.
  • Remote router configuration and resolution of network incidents.
  • Preparation, checking and labelling of devices for technical deployments.
  • Inventory control, asset management and basic technical documentation.
  • Support in daily operations with an organised and quality-focused way of working.

Featured projects

contract-testing-crosslang-pact-broker

Cross-language contract testing monorepo with Pact and Pact Broker, with a consumer in Python/pytest and a provider in Java/Spring Boot, including CI validation to block deployments when breaking changes appear.

Stack: Pact, Pact Broker, Python, pytest, Java, Spring Boot, CI/CD.

qa-microservice-test-harness

Java microservice with Spring Boot, PostgreSQL, Flyway and Testcontainers, focused on reproducible integration testing with RestAssured and quality gates.

Stack: Java, Spring Boot, PostgreSQL, Flyway, Testcontainers, RestAssured.

QA Java Automation Starter

Java QA automation project with Selenium, JUnit, Cucumber and Postman/Newman, designed for portfolio use and supported by CI and technical documentation.

Stack: Java, JUnit, Maven, Cucumber, Selenium, Postman, Newman.

Playwright E2E (TypeScript)

End-to-end automation with Playwright and TypeScript, including a Page Object Model, smoke and regression suites, HTML reporting and execution in GitHub Actions.

Stack: Playwright, TypeScript, POM, GitHub Actions.

El Dragón de Alejandría

Digital library deployed on a self-managed server with Linux, Nginx, Flask, PostgreSQL and Gunicorn, including authentication, a private admin area and secure TLS deployment.

Stack: Flask, PostgreSQL, Linux, Nginx, Gunicorn, TLS.

En la línea de ensayo

WordPress-based web project with server management, database, domain, DNS and certificates, focused on publishing and ongoing technical maintenance.

Stack: WordPress, PHP, MySQL/MariaDB, DNS, SSL/TLS.

View all projects

Education

Networked Computer Systems Administration (ASIR)

IES Gonzalo Nazareno, Dos Hermanas

During this training I built a foundation in Linux and Windows administration, networking, databases, service deployment, SSL/TLS certificates, DNS, automation and security fundamentals.

Languages