2026
Silver medal
SpainSkills 2026
IT Network Systems Administration · national competition
View sourceSYSTEMS · SECURITY · AUTOMATION
Ander LópezEspinosa.
Cybersecurity technician & systems administrator
I administer Windows/Linux infrastructure, networks and Microsoft 365 environments. I develop tools to automate tasks and integrate systems.
Bilbao, SpainFrom infrastructure to code.
Connect systems. Solve problems.
InfrastructureWindows · Linux · Networks
01SecurityAssessment · Identity
02AutomationTools · Integrations
0301 / TRACK RECORD & RECOGNITION
Experience backed by evidence.
2025
Gold medal
EuskoSkills 2025
Systems Administration · Basque Country
View source2025
Second place, team competition
Cyberlehia 2025
h4ckTXok0 team · CIFP Txurdinaga
View sourceCertifications & technical education
02 / EXPERIENCE
Systems to maintain. Problems to solve.
My work connects infrastructure operations, security and the development of custom tools.
Cibersare
Barakaldo, BiscayCybersecurity technician & systems administrator
- Security assessments of networks, systems and web applications, with technical reports and remediation recommendations.
- Fortinet networking, VLAN segmentation, firewalls and VPNs; virtualization with Proxmox VE and VMware ESXi.
- Microsoft 365, Entra ID, Intune and Exchange Online: identities, policies and application deployment.
- Python tools to automate security reports, network diagrams and technical documentation.
BGC Informatica
Caminha, PortugalIT technician internship
Computer repairs, printer installation, data migration and RAID configuration on Dell servers.
03 / SELECTED WORK
Tools for real problems.
Remote administration, audit trails and integrations. Personal projects with source code on GitHub.
Project screenshotRemote administration01 / 2025
WakeOnLan
Windows and Linux device control with a web interface, a Rust backend and agents connected over WebSockets.
View on GitHub
Project screenshotAudit trails02 / 2022
Samba Manager
Samba audit event exploration with filtering, SQLite persistence and real-time updates.
View on GitHub
Project screenshotEmbedded systems & IoT03 / 2026
ESP32-S3 Clock
A connected ESP32-S3 LED display with a clock, animations, sensors and MQTT control.
View on GitHub
Project screenshotDesktop applications04 / 2024
Youtube Downloader
A youtube-dl graphical interface with quality, audio and subtitle options, distributed through releases.
View on GitHub
Project screenshotWeb applications & APIs05
Did U Watch
An AniList-connected application for discovering anime sequels you have not watched.
View on GitHub
Project screenshotBots & automation06
DiscoBot
A modular Discord bot with moderation, search and utility commands, accompanied by a web dashboard.
View on GitHub
04 / CAPABILITIES & TECHNOLOGIES
Technical skills.
Security assessments, systems operations and automation.
- Cybersecurity
- Internal and external assessments
- Vulnerability management
- System hardening
- Controlled exploitation
- Network and endpoint monitoring
- Networking
- VLANs and routing
- Firewalls and SD-WAN
- IPsec and WireGuard VPNs
- FortiGate and FortiSwitch
- Systems
- Windows and Linux
- Proxmox VE, VMware ESXi and QEMU
- Docker containers
- Migration and service recovery
- Microsoft 365
- Entra ID and Intune
- Exchange Online and SharePoint
- MFA and SSO
- Email migration
- Automation
- Python and Bash
- PowerShell and Ansible
- JavaScript and AutoHotkey
- Reports and technical documentation
- Certificates and PKI
- TLS
- Certificate authorities
- Internal trust
Development & tools
Infrastructure, networking & security
Security assessment and pentesting
Monitoring and detection
05 / CONTACT
Let's talk systems, security or automation.
For professional opportunities, collaborations or a conversation about one of my projects.