Sebastián Izan Romero Núñez
Resumen profesional
IT professional specialized in Network and Systems Administration with hands-on experience in enterprise infrastructure, server deployment, networking, and hardware troubleshooting. Skilled in Windows and Linux server administration, LAN/WAN management, VPNs, firewalls, remote support, and infrastructure maintenance. Strong background in network administration, system security, and IT troubleshooting, with a particular focus on networking and infrastructure optimization.
Datos destacados
7
7
years of professional experience
Experiencia
IT Technician
Cádiz
2025.01 - 2026.05
- Researched and practiced advanced Windows Server and Ubuntu deployment, configuration, and hardening with a focus on cybersecurity.
- Built lab environments simulating enterprise scenarios, including authentication, virtualization, and incident response.
- Designed and configured Cisco and MikroTik networks (routing, switching, VLANs, VPNs, firewalls).
- Explored system optimization and performance tuning, resolving complex hardware/software issues.
- Strengthened problem-solving and troubleshooting skills through hands-on projects with emerging technologies.
IT TECHNICIAN
AREA SOLTEC
San Fernando, Cádiz
2026.01 - 2026.05
- Administered and maintained Windows and Linux servers in enterprise environments.
- Managed network infrastructure including switches, routers, VLANs, VPNs, and firewall configurations.
- Performed server and network deployments, configuration, maintenance, and troubleshooting.
- Monitored infrastructure performance, availability, and security across systems and networks.
- Provided advanced hardware diagnostics, repair, and infrastructure support.
- Assisted with virtualization, backup management, and system optimization tasks.
- Resolved complex networking and connectivity issues in production environments.
- Collaborated with technical teams to improve infrastructure reliability and operational efficiency.
- Delivered remote technical support for users and infrastructure, troubleshooting system, network, and hardware-related incidents efficiently.
IT Technician
Cádiz
2024.12 - 2025.05
- Managed IT infrastructure: installation, configuration, and maintenance in Windows and Linux environments.
- Administered LAN/WAN networks, firewalls, routers, switches, VPNs, and databases.
- Monitored systems and servers, ensuring availability through proactive maintenance.
- Implemented backups, disaster recovery plans, and IT security policies.
- Provided onsite/remote technical support and user training.
- Coordinated with vendors and contributed to projects such as upgrades, migrations, and new tool deployments.
- Supported cybersecurity initiatives and staff awareness programs.
Team Captain
Madrid
2019.08 - 2020.10
- Led the team as captain, managing schedules, training, and performance during competitions.
- Applied mental training and stress management techniques, ensuring focus under pressure.
- Oversaw team communication, strategic planning, and in-side decision-making.
- Conducted technical optimization of hardware, systems, and software, including source code experimentation to enhance network performance.
- Developed transferable skills in leadership, problem-solving, and adaptability for IT and technical projects.
Formación
IFP HNC IN NETWORKED COMPUTER SYSTEM ADMINISTRATION - CIBERSECURITY
IFP
BARCELONAIFP INTERMEDIATE VOCATIONAL DIPLOMA IN COMPUTER SYSTEMS AND NETWORKS - SMX
IFP
CÁDIZPOETA SECONDARY EDUCATION - undefined
POETA
Enfatiza tus habilidades clave
- NETWORK AND SYSTEM ADMINISTRATION
- HARDWARE AND SOFTWARE ASSEMBLY AND TROUBLESHOOTING
- PROBLEM-SOLVING AND INCIDENT RESOLUTION
- TIME MANAGEMENT AND ORGANIZATIONAL SKILLS
- FIREWALL AND VPN CONFIGURATION
- IT SECURITY AT USER AND ORGANIZATIONAL LEVEL
- TEAMWORK AND COMMUNICATION
- CONTINUOUS LEARNING MINDSET
Idiomas
English
Intermedio avanzado
B2
Spanish
Experto
Personalizado
Carné de conducir: B
Cronología
IT TECHNICIAN
AREA SOLTEC
2026.01 - 2026.05
IT Technician
2025.01 - 2026.05
IT Technician
2024.12 - 2025.05
Team Captain
2019.08 - 2020.10
IFP INTERMEDIATE VOCATIONAL DIPLOMA IN COMPUTER SYSTEMS AND NETWORKS - SMX
IFP
POETA SECONDARY EDUCATION - undefined
POETA
IFP HNC IN NETWORKED COMPUTER SYSTEM ADMINISTRATION - CIBERSECURITY
IFP