Gustavo Javier Martinez
Gustavo Javier Martinez

IT Infrastructure Administrator / Systems Analyst

Actively looking · Member since 7 Sep 2026
Message
Location
Florencio Varela, Argentina
Desired salary
Unspecified
Work preference
Remote Only
Experience level
Senior

About

Professional summary

I am a Systems Analyst and IT Infrastructure Administrator with more than 15 years of experience supporting, operating, and improving critical technology environments. My background includes virtualized infrastructure, server administration, networking, monitoring, backups, security, and end-user technical support.

I have managed VMware, Proxmox, Hyper-V, VirtualBox, and Docker environments, including more than 3,000 virtual machines for public-sector administrative and legal operations. I focus on maintaining availability, performance, resilience, and secure access to essential services.

I work with Windows Server and Linux platforms, Zabbix and Grafana monitoring, Veeam backups, disaster recovery processes, storage, cloud services, and data center operations. I also have experience administering networks, structured cabling, VoIP communications, CCTV, and access-control systems.

Throughout my career, I have provided onsite and remote HelpDesk support, resolved hardware, software, connectivity, and application incidents under SLA requirements, and coordinated technical support activities as a project team leader. I communicate effectively with technical teams, end users, and administrative stakeholders.

I have worked with SAP, IproSAP, SAP ISH, CRM platforms, and healthcare systems, as well as application security and ERP administration. I am also developing complementary web development skills in Java, JavaScript, Node.js, HTML5, CSS3, and databases.

I am proactive, analytical, and committed to operational continuity. I enjoy solving infrastructure problems, modernizing technical environments, and contributing to reliable, secure, and scalable IT services.

Skills

33 capabilities

Tech stack & tools

Working toolkit

Analytics

Languages & Frameworks

Experience

Career history

IT Infrastructure Administrator / Systems Analyst Secretaría Legal y Técnica de la Provincia de Buenos Aires

I administer virtualized infrastructure using VMware and Proxmox, managing more than 3,000 virtual machines for the agency's administrative and legal areas. I maintain Windows and Linux servers and help ensure the availability of core infrastructure services.

I implemented proactive monitoring with Zabbix and Grafana, administer Veeam backup policies, and support disaster recovery readiness. I also manage application security, data center structured cabling, networking activities, and junior DevOps tasks for technology modernization projects.

Infrastructure / Technical HelpDesk Vis Media Group

I provide remote HelpDesk support to end users, resolving hardware, software, and connectivity incidents within agreed SLA targets. I administer Guacamole, Hyper-V, and VMware platforms to provide secure and stable access to user resources.

I coordinate technical support activities as a project team leader, improving ticket prioritization and organization through a customized ticketing system. I also manage Neotel VoIP, application security, AADD and CRM platforms, storage servers, and cloud services.

Systems Analyst Clínica San Martín (Grupo BASA)

I installed, configured, and maintained computer hardware and software in a healthcare environment, providing preventive and corrective maintenance. I administered Hyper-V servers and backup schemes based on Windows Server 2016 and 2019 to keep clinical systems available.

I implemented a private medical imaging system to improve study storage and access. I supported SAP ISH for healthcare operations and managed networking, IP telephony, CCTV, access control, structured IPv4 cabling, infrastructure, and information security initiatives.

HelpDesk / IT Solutions Derudder Hnos. (Grupo FlechaBus)

I provided onsite and remote HelpDesk support for more than 14 years for a passenger transportation company with multiple locations. I supported business continuity by resolving technical issues and administering Prosys.net, SAP, and IproSAP systems for sales, traffic, fares, parcels, and accounting operations.

I led and coordinated technology support activities, administered networks, communications, application security, data recovery processes, CCTV, access control, and VoIP systems. I also implemented early virtualization environments using VirtualBox, Docker, and containers.

Education

Learning history

UBA, Facultad de Ciencias Económicas

Diplomatura en Auxiliar de Administración Contable, Accounting Administration

Currently pursuing training in accounting assistance, human resources, payroll, bank reconciliation, invoicing, and related administrative processes.

Centro Cultural Sarmiento

Desarrollo de Aplicaciones Web, Java and JavaScript Web Development

Currently pursuing web application development training covering responsive web pages, front-end programming, Java, JavaScript, Node.js, and databases.

EducacionIT

Instalación, Storage y Administración MS 2016 / MS 2019, Microsoft Server Administration

Completed training in server administration, storage control, backup management, and disaster response coordination.

EducacionIT

Maquetación Web, HTML5 and CSS3

Completed training in web layout and front-end markup using HTML5 and CSS3.

EES N.° 6

High School Diploma, Social Sciences

Graduated with a Bachelor-level secondary education in Social Sciences.

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