Roger Lorenzo Ledesma

Bilingual IT professional (English, Spanish, Catalan) with hands-on experience in IT Support, Systems Administration, Networking, and Software Development. Completed a Higher Degree in Network Systems Administration (ASIR) and currently enrolled at 42 Barcelona, a peer-to-peer software engineering programme. Previously supported users and managed infrastructure in corporate helpdesk and cybersecurity roles, administering Windows and Linux environments, configuring network infrastructure, managing Active Directory, and resolving technical incidents via Jira.

Immediately available for Technical Support, Systems Administration, or Junior DevOps/Software Engineering positions.

IT Intern — Cybersecurity & Networking at SB Hotels (2025-01 – 2025-05)

• Assisted in the deployment and configuration of firewalls, switches, and network security appliances.
• Monitored network traffic and supported firewall management and security policy enforcement.
• Documented IT procedures and cybersecurity best practices for internal teams.
• Collaborated with senior administrators on infrastructure maintenance and troubleshooting.
• Assisted in identifying and resolving network connectivity issues across the organisation.

IT Intern — Systems Administration & Helpdesk at IES El Castell (2020-09 – 2021-05)

• Provided first and second-line technical support for internal users via phone, email, and on-site.
• Managed and resolved support tickets using Jira and other ticketing platforms.
• Administered Windows Active Directory user accounts, permissions, and group policies.
• Installed, configured, and maintained Windows workstations across the organisation.
• Diagnosed and resolved hardware, software, and networking issues.
• Prepared hardware quotations and coordinated equipment replacements.

Software Engineering (Fullstack) in Software Engineering – 42 Barcelona (2025-09)

CFGS — Higher Degree in Network Systems Administration (ASIR) in Network Systems Administration – IES Marianao, Sant Boi de Llobregat (2022-09 – 2025-05)

CFGM — Microcomputer Systems and Networks (SMR) in Microcomputer Systems and Networks – IES Daniel Blanxart (2019-09 – 2022-05)