CÉSAR RODRÍGUEZ
PROFESSIONAL SUMMARY
IT Infrastructure Lead & Systems Administrator focused on building, optimizing, and securing local environments. My core expertise covers Linux server maintenance, virtualization (Proxmox, ESXi), and containerization. Proven track record of managing operations for 175 internal corporate users and providing global helpdesk support for 800+ users at Jumbo Tours Group. Strong focus on process optimization, cybersecurity policies, and deploying self-hosted ecosystems.
EXPERIENCE
IT System Administration + Support Manager
jumbOnline | Hybrid, Spain | Jan 2025 – Present
- Manage local IT operations and corporate network architecture for 175 users, leading a 2-person internal support team to ensure seamless day-to-day operations.
- Administer and enforce security policies using Sophos and Cisco Meraki (Advanced Perimeter, Reverse Proxy, and Firewall Policies).
- Design and deploy a local self-hosted ecosystem, building a secure containerized environment using Docker and Portainer consolidated on Linux virtual machines.
- Integrate SecOps and monitoring tools including Nginx Proxy Manager, CrowdSec for intrusion prevention, and Duplicati for automated backups.
- Implement proactive observability using Uptime Kuma and Beszel for resource monitoring and alerting.
- Oversee ITOM platforms, managing GLPI for asset management and helpdesk, Jira for ITSM workflows, and Active Directory.
IT SYSOPS SUPPORT
Agap2 España | Palma, Baleares | Sept 2023 – Dec 2024
- Provided comprehensive global helpdesk and system support for 800+ users at Jumbo Tours Group in a multinational environment.
- Utilized a similar advanced tech stack to current role (Docker, Proxmox, Sophos, Cisco Meraki) for B2B IT operations, networking, and incident resolution.
- Administered and maintained diverse networking hardware and software (switches, firewalls, routers) to ensure high availability.
- Provided rapid remote support using tools like TeamViewer and managed local LAN/WAN configurations.
IT Technician
Mon Informàtic | Manacor, Baleares | Jul 2021 – Sept 2023
- Delivered comprehensive IT support, hardware repair, and technical services for local clients and institutions (Col·legi Sant Agustí, CEIP Molí d’en Xema, Hotel Mariant Park).
- Managed system installations, software maintenance, and both local and remote troubleshooting.
- Performed hardware workshop tasks including soldering, assembly, and disassembly of devices.
- Advised customers on technical sales and IT product acquisition.
Non IT Jobs
Several | Baleares, Spain | Jun 2016 – Jun 2021
- Education & Upskilling Break (Oct 2019 – Jun 2021)
- Dedicated full-time period focused on technical education, self-study, and IT skill development prior to entering the IT industry.
- HOTEL PEYMAR SA — Hotel Receptionist (May 2019 – Oct 2019)
- Managed guest experience, high-volume check-in/out workflows, and PMS software operations during peak tourism season.
- Rafa Nadal Sports Centre — Night Receptionist (Apr 2018 – Nov 2018)
- Delivered high-touch VIP concierge service, night-audit procedures, facility security, and multilingual guest support.
- Media Markt — Tech & B2B Sales Specialist (Apr 2017 – Aug 2017)
- Managed consultative technical sales for both B2C retail consumers and B2B corporate clients, analyzing business requirements to deliver tailored hardware, networking, and software procurement solutions.
- Translated complex technical specifications (PC architectures, server specs, component cross-compatibility) into clear guidance for corporate buyers and end users.
- Handled first-line post-sales support, technical triage for returned devices, RMA processing, and warranty lifecycle management.
- CeX Webuy.com — Hardware Evaluation & Sales Specialist (Jun 2016 – Feb 2017)
- Conducted comprehensive hardware diagnostic testing, component integrity checks, and stress-tests on pre-owned IT infrastructure, custom PC builds, mobile devices, and gaming hardware.
- Executed technical trade-in valuations and market-aligned asset appraisals based on component architecture, physical wear, and operational feasibility.
- Managed real-time inventory cataloging, serial-number tracking, and stock integrity using internal ERP database systems.
- Provided high-volume technical consultation, advising clients on component upgrades, hardware compatibility, and system optimization.
TECHNICAL SKILLS
- Networking & Security: Sophos, Cisco Meraki, CrowdSec, Firewalls, Reverse Proxy, LAN-WAN, TCP/IP, VPN.
- Virtualization & Containers: Docker, Portainer, Kubernetes, Proxmox VE, VMware ESXi.
- Cloud & DevOps: AWS, Google Cloud, Terraform.
- Systems & Infrastructure: Linux Server Administration, Windows Server, AS/400, Active Directory, System Installations.
- Databases: PostgreSQL, SQL.
- ITOM & Monitoring: GLPI, Jira ITSM, Uptime Kuma, Beszel, Duplicati, AOMEI, Pandora.
- Workspace & Productivity: Google Workspace, Microsoft 365, Google Drive.
- Languages: Bilingual in Spanish and Catalan; Professional English.
EDUCATION & CERTIFICATIONS
- Google Cloud Skill Badges: Load Balancing & App Dev Environment (2024)
- Google IT Support Certificate: Coursera (2022)
- SQL AND POSTGRESQL: The Complete Developer’s Guide Udemy (2026)
- Vocational Education: Técnico Superior de Administración de Sistemas Informáticos en Red (EQF Level 5) - IES Manacor (2014)
- In Progress: Cisco Certified Network Associate (CCNA), Kubernetes Udemy Course