You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Malt Strategy
New report
Malt Tech Trends 2026
David Bermejo LopezDB

David Bermejo Lopez

IT Freelancer / IT Developer

€100/day
Toledo, ES
3-7 years
System Administrator
Web Development
IT Maintenance
web maintenance
IT Solutions

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About David

Freelance professional specializing in technical support, system administration, and IT infrastructure maintenance for businesses and individuals. Experience in resolving hardware, software, and network incidents, with a focus on high availability, efficiency, and system security.

I stand out for personalized attention, quick problem-solving, and a focus on operational continuity, ensuring my clients' systems run without interruption.

  • Spanish

    Native or bilingual

  • English

    Basic

Can work on-site
Toledo (up to 50km)

Experience

  • Casino Gran Madrid
    Systems Technician
    INTERNET OF THINGS (IOT)
    January 2024 - August 2024 (7 months)
    Torrelodones, Spain
    Main functions:

    Administration, maintenance, and monitoring of computer systems in a 24/7 environment.

    Level 1 and 2 technical support for users and operational equipment.

    Management of Windows/Linux servers and network services.

    Supervision and maintenance of critical infrastructures (networks, communications, backups, and security).

    Diagnosis and resolution of incidents with high availability and reduced response times.

    Coordination with external suppliers and hardware/software manufacturers.

    Compliance with sector-specific security, audit, and control regulations for the gaming industry.

    Documentation of procedures, incidents, and system improvements.

    Reduction of critical incidents through preventive maintenance.

    Improvement of system stability and availability in a high-pressure environment.

    Experience in critical systems where service downtime has a direct economic impact.
    Rapid resolution of critical incidents Coordination with external suppliers and other departments Teamwork and effective communication with users and technicians Proactivity to prevent problems before they occur Analytical thinking and quick diagnostic ability
  • MINISTERIO DE DEFENSA
    Backup Administrator
    DEFENSE AND MILITARY
    September 2024 - September 2025 (1 year)
    Main functions:

    Administration, configuration, and maintenance of backup and data recovery systems in critical environments.

    Design and execution of backup and retention policies in accordance with security and business continuity regulations.

    Daily monitoring of backup tasks and verification of their correct execution.

    Management of data restorations in case of incidents, system failures, or authorized requests.

    Ensuring the integrity, availability, and confidentiality of backed-up information.

    Operation in on-premise infrastructures and virtualized environments.

    Coordination with systems, networks, and security teams to ensure operational continuity.

    Preparation and maintenance of technical documentation and procedures.

    Strict compliance with security protocols, access controls, and internal regulations.

    Work in high-security and classification environments.

    Management of critical and sensitive data.

    Focus on business continuity and disaster recovery (DRP).

    Experience in internal audits and controls.
  • AWWG
    Service Desk Specialist
    E-COMMERCE
    October 2025 - Today (8 months)
    Madrid, Spain
    Administration, maintenance, and monitoring of system infrastructures in corporate and critical environments.

    Management of Windows and Linux servers, both physical and virtualized.

    Administration of virtualization environments (VMware / Hyper-V).

    Management of users, permissions, and security policies.

    System monitoring, incident resolution, and performance optimization.

    Implementation and supervision of backup and disaster recovery policies.

    Coordination with network, security teams, and external suppliers.

    Automation of routine tasks to improve operational efficiency.

    Preparation of technical documentation and procedures.

    Ensuring high availability, security, and continuity of IT services.

    Improvement of system stability and availability.

    Reduction of incidents through preventive maintenance.

    Participation in system migration, upgrade, or consolidation projects.

    Experience in 24/7 and high-criticality environments.

    Administration of Windows and Linux systems in corporate and critical environments, ensuring the availability, security, and continuity of services through best practices, automation, and monitoring.

Recommendations

Be the first to recommend David

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Signup to reveal

Education

  • Web programming with free software
    CESUR
    2022
    Desarrollo de aplicaciones web Framework Programación web
  • Microcomputer and network systems
    UNIVERSAE
    2024
    Mantenimiento informático Soluciones tanto software como hardware
Check out David's education

Skill set

Backend Service Development
Cloud Administration
Scripting Automation
Data Migration and Backup
IT Service Management

Categories