Hire the Best NetBeans Specialists
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As a Network Engineer with more than five years of experience in ISP, MSP, and enterprise environments, I have developed strong expertise in designing, implementing, troubleshooting, and optimizing complex network infrastructures. My experience includes managing service provider and enterprise networks, configuring and maintaining routers, switches, firewalls, and network security solutions, as well as implementing scalable architectures using technologies such as BGP, OSPF, MPLS, VPNs, VLANs, QinQ, LACP, and High Availability solutions. I have extensive hands-on experience with equipment from leading vendors including Cisco, Juniper, MikroTik, Huawei, Arista, Datacom, Ubiquiti, and FS. Additionally, I possess strong system administration skills, including Windows Server, Active Directory, Linux administration, Proxmox virtualization, Asterisk PBX, and VoIP systems. I hold a Bachelor's Degree in Electrical Engineering and several industry-recognized certifications, including JNCIA, JNCIS-SP, MTCNA, MTCRE, and MTCINE. I am also fluent in both Spanish and English (C1 level), allowing me to work effectively in international and multicultural environments.

I am a system administrator and enthusiast Open Source technology with over 15 years experience in the area. I believe that organizations need their computing platform and applications to offer all the advantages that enable them to perform their processes efficiently and effectively, so that they can grow and get more benefits. In addition, I also believe that the integration between all aspects, technical and human, allowed us to achieve all objectives. My skills include: * Linux (Centos, RedHat, Debian, Ubuntu, Suse), Unix (Solaris, HP-UX, Tru64), Microsoft * MySQL, PostgreSQL, SQL Server and SQL queries. * Administration AWS platform. * Kubernetes, Openshift, Docker and podman. * Monitoring With Nagios * Squid * VoIP ( Asterisk, Elastix and FreePBX ) * Iptables and firewalls. * Shell scripting in Linux and Unix. * Web servers administration * Backups with bacula * Virtualization with XEN, KVM, Hyper-V * WHM and Cpanel * Tuxedo and WebLogic, as middleware applications. In my projects, working hand in hand with the customer, since he is the owner of its processes, and acted only as a resource to resolve any incident or problem by offering my experience and showing the pros and cons of the solutions considered. Finally, I also offer the customer more information about the implemented solution, so that it can administer and manage it.

Over 20 years hands-on with GNU/Linux and 10+ years delivering remote IT solutions for international clients, I specialize in on-premise and hybrid infrastructure: bare-metal servers, advanced networking, virtualization, self-hosted services, and disaster recovery — with data sovereignty and business continuity as first-order requirements, not afterthoughts. I work across the full stack of a physical deployment, from hardware and network topology up through the services running on it — solving problems purely cloud-native engineers often can't, which is why clients keep me on for years, not weeks. I take on engagements of very different sizes: full builds and migrations, but also focused audits, one-off configuration work, and ongoing "call me when something breaks" support. Not sure your project fits? Ask — I'd rather tell you honestly than take the wrong scope. AREAS OF EXPERTISE Bare-Metal Management & Virtualization Deployment, configuration, thermal optimization, and administration of high-performance physical servers. Stack: GNU/Linux (Debian, Ubuntu, Arch Linux), Proxmox VE, Unraid, VMware ESXi, QEMU/KVM. Advanced Networking & Perimeter Security Design of secure topologies, VLAN segmentation, traffic optimization, and failover/load-balancing — including in remote or hard-to-reach environments. Stack: MikroTik (RouterOS), pfSense, OpenWRT, WireGuard, OpenVPN, Tailscale, ZeroTier. Container Orchestration & CI/CD Microservices architecture and pipeline implementation to automate the software lifecycle. Stack: Docker, Docker Compose, Portainer, Gitea Actions, Sonatype Nexus. Data Sovereignty & Enterprise Self-Hosting Private, self-hosted deployments under strict privacy requirements, with proactive monitoring. Stack: Gitea, Nextcloud, Bitwarden/Vaultwarden, Alloy, Prometheus, Loki, Grafana. Business Continuity & Disaster Recovery Automated, immutable backup architectures — tested, not just configured. Stack: BTRFS, Restic, AWS S3, Backblaze B2. Centralized Authentication (SSO) User management, permissions, and identity integration across on-premise, hybrid, and corporate domains. Stack: OpenLDAP, Active Directory, MS Entra. Industrial & Commercial Product Engineering Linux OS integration for commercial/industrial hardware, physical/virtual test bench design for remote testing and monitoring, and Q&A validation across the product lifecycle. Stack: SaltStack, custom Linux ISO builds, VPN/PKI certificate lifecycle automation. Technical Leadership & Advisory Direct ownership of architecture and security decisions within cross-functional teams — from strategic advisory through hands-on implementation, without dedicated management structure. Comfortable operating independently under open-ended, high-pressure mandates. KEY ACHIEVEMENT — DISASTER RECOVERY UNDER EXTREME CONDITIONS In 2022, a data center I managed was caught inside an active conflict zone in Eastern Europe, facing imminent risk of destruction with no advance warning. I planned and remotely executed a full migration to Hetzner cloud — while the hardware was being dismantled on-site under threat of bombardment — improvising a temporary network topology and standing up a high-availability cluster with minimal downtime. Result: zero loss of corporate data. Once the hardware crossed international borders, I remotely coordinated its re-deployment to a new, secure data center in the European Union — again with zero data loss. REMOTE RELIABILITY 10+ years remote-first means my home infrastructure meets the same standard I deploy for clients: high-capacity UPS backup, redundant internet connections, and monitored uptime — so "I work remotely" doesn't mean "I might disappear mid-incident." AVAILABILITY Current availability: 20 hours/week (up to 30 during busier periods). Working window: 18:00–10:00 CET/CEST — overlaps comfortably with US Eastern and US Pacific business hours, plus full-day overlap with Central Europe. RATE Anchor rate: $35/hour (hourly contracts). Fixed-price available on request for scoped audits or one-off configuration work. SERVICES - Planning, deployment, and configuration of new on-premise or hybrid infrastructures. - Maintenance, scaling, and migration of existing infrastructures. - Infrastructure audits and focused troubleshooting (smaller-scope engagements welcome). - Networking & perimeter security design (VLANs, failover, VPN). - Backup architecture and disaster recovery planning/testing. - SSO / identity integration (on-prem, hybrid, cloud). - OS customization / rebranding, test bench design, and QA support for embedded/commercial hardware products. - Long-term B2B strategic consulting.

Software Engineer with +14 years working with JasperReports/Ireport/JasperReports Server integrated with a Apps and Servlets and a wide variety of DataSoruces (SQLServer, PostgreSQL, Mysql,etc). Charts Customization, JAR Library, Font Creation. HealtCare, Bank, Insurance, Accounting, LIMs, Fishbowl, ERP, European Transport Logistics, Waste Management.

I'm a Linux System Administrator specialized in network infrastructure and monitoring solutions. Whether you need to set up secure networks, implement monitoring systems, or automate your IT operations, I can help. My expertise includes: - Network design and management with MikroTik and Linux - System monitoring implementation using Zabbix and Grafana - Process automation through Bash and Python scripting - Full infrastructure maintenance and optimization I believe in proactive communication and delivering reliable solutions that meet your specific needs. Currently pursuing a Telecommunications Engineering degree, I combine academic knowledge with hands-on experience to ensure professional results. Let's work together to strengthen your IT infrastructure.