Freelancer profile translated to English.
Back to original languageAbout Gerardo
My name is Gerardo, and I am a Senior Systems Administrator with extensive experience in IT infrastructure, networks, and advanced support, focused on resolving complex incidents, standardization, and continuous improvement. I have managed IT departments and IT service companies, overseeing environments for SMEs and public entities, coordinating teams, suppliers, and technology deployment projects.
Specialized in Windows Server systems administration (MCSA 2016-25), Linux environments, TCP/IP networks, DNS, WiFi, switching, and segmentation. Experience in preventive/corrective maintenance, remote troubleshooting, ticket management, prioritization, and effective communication with clients and end-users. Knowledge in Microsoft 365, web services (Apache/Tomcat), operational scripting, backups, and business continuity (Veeam-type tools).
Versatile profile with experience as CEO and technical manager, leading complete implementations: servers, workstations, basic virtualization, corporate networks, and web solutions. Continuous training in AI and Big Data, web development (DAW), and agile methodologies (SCRUM Master). English level B2 (progressing towards C1).
English
Native or bilingual
French
Basic
Can work on-site
Zaragoza (up to 50km)
Experience
- GARLAN INMOBILIARIADirector of Marketing and IT DepartmentREAL ESTATEJanuary 2016 - Today (10 years and 7 months)Zaragoza, Spain• Administration of networks and systems for the organization and external clients (e.g., Biescas City Council, Automóviles del Serrablo (SEAT/CUPRA), Diocese of Jaca, among others).• Management of equipment inventory, incidents, and preventive/corrective maintenance; user support and coordination with contractors.• • Implementation and evolution of digital services (webmaster) and adoption of cloud computing and AI initiatives.• Management of teams and suppliers: definition of priorities, quality control, and communication with business stakeholders.
- INFORMÁTICA EN REDCEO / ManagerNovember 2002 - December 2015 (13 years and 1 month)Sabiñánigo, AR, Spain• Creation and management of an IT services company (team of up to 4 people) for local SMEs and public entities.• Design, implementation, and maintenance of infrastructures: networks, servers, workstations, basic virtualization (project-dependent), and comprehensive support.• Incident, change, and project management: coordination of deployments, documentation, and customer service.• Web services and digital presence: development, design, and maintenance of websites, content, and online solutions.• Teaching in computer courses (ADI Academy - Sabiñánigo).
- SINERGIA TECNOLÓGICA (Subc. T.I. Vodafone España)IT Maintenance Manager, Zone 2TELECOMMUNICATIONSDecember 1999 - November 2002 (2 years and 11 months)Zaragoza, Spain• Responsible for IT support for Zone 2 (Aragon, Catalonia, Valencia, Basque Country, and Soria): team coordination and incident prioritization.• Maintenance and helpdesk, installations and setup, interconnection of networks and equipment, ticket tracking, and service objective fulfillment.
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Education
- Specialization Course in2026Curso de Especialización en
- Higher Technician in Systems and Network Administration (ASIR)Campus Digital Zaragoza2026Técnico Superior ASIR