Hire the Best Linux System Administrators
in Spain

Has your Linux server crashed? Or with CPU spikes? Or under DDoS attacks? I've been solving system crises 24/7 for over 25 years. Linux server/VPS management, performance, monitoring, and hardening; DDoS mitigation with ModSecurity and CSF firewall protection; email deliverability. #4 contributor worldwide on Spamhaus Threat Intelligence (100K+ threat monthly reports) and AbuseIPDB (1000K+ reports since 2025) - I identify cyber threats before they hit your servers, and I maintain real-time threat intelligence for global networks. #1 developer ranking on Stack Overflow Spanish (16K+ reputation) in 2022 with solutions trusted by thousands of developers. Skills: Linux Sysadmin, WHM/CPanel, HestiaCP, VestaCP, LAMP, LEMP, Varnish, Cloudflare, WordPress protection, hosting, PHP, MySQL, malware, webmaster, Apache, Exim, ModSecurity, CSF Firewall, networking, and security. Problems Solver and so on... My clients networks: OVH, Digital Ocean, Bluehost, Interserver, AWS, Linode, Google Cloud, GoDaddy, Hetzner, Hostinger, Contabo, Azure Microsoft, NetCup, NameCheap, AsmallOrange, BudgetVM, Comvive, DotBlock, FastHost, HostRocket, Liquidweb, and a long so on. Long experience. Since 1993 I've been working with computers for companies like IBM (12 years).

With a Bachelor’s Degree and Diploma in computer science, numerous years of hands-on experience creating and implementing software applications, and the ability to troubleshoot and solve problems in a timely and accurate manner. My technical expertise includes cross-platform proficiency (Windows, Unix and Linux ); fluency in 13 scripting/programming languages (including C, C++,C#, Python, Visual Basic, Java, Perl and SQL); advanced knowledge of developer applications, tools, methodologies and best practices (including OOD, client/server architecture and self-test automation); Managing and Configuring Embedded Systems (Busybox) as well as IOT Devices such as Arduino, Raspberry PI, CubieBoard, Beaglebone, Intel Galileo and Intel Edison; Configuration management using Ansible. system virtualization using QEMU, Virtual Box, VMWare, XEN and Microsoft Hyper-V. I truly believe in continued education and research, and continue to seek new software and methods to assist with product development. I hope to bring my knowledge, and future knowledge to any organization i work in.

Emanuel Calvo is an experienced Database Platform Engineer with extensive experience across a variety of infrastructures, from Cloud Native to large bare-metal architectures. He focuses on building and designing scalable and resilient data architectures, complex troubleshooting, and enterprise-grade procedures for long-term projects. His diverse skill set spans a range of technologies, including PostgreSQL, MySQL/MariaDB, Oracle, MongoDB, and more. He has an active experience in programming languages like Python, Go, C, PL derivates, and Bash. Building OCI images for production systems has been one of the core tasks, using Earthly now. During the past year, he has been working on building scalable and programmatic IaC, through Ansible, CDK, Hashicorp tools, and Kubernetes. Consensus-based HA, completely automated (including backups and monitoring) and split-brain free. Technical Lead for the Professional Services and Platform team. Product Team for OCI project. Some past and active projects: - 0-Downtime live migration from on-premises Oracle to HA Patroni/Postgres for the core authentication component of the BBM (Blackberry messenger, around 100M accounts, CA & US gov, and end-user splitting). - He provided Data DevOps Architecture Design and Production Support at Gitlab, PSMA, STCPay, Paxful, Packet, ARM, eSentire, ECB, among others. - Database/System Development, mostly for Postgres and data-driven ecosystems. - Developed CD/CI Infrastructure of the Postmates and Conrad Electronics GCP architecture with Consul in auto-discovery mode, projects in which I lead its development. - Member of Gitlab's Architecture Team and Engineering, for supporting and scaling Production platforms. The infrastructure consists of a Modern HA architecture with Postgres under Patroni Framework, Consul, and a scalable Pool layer. - Delivered all-level database training to AWS, Microsoft, AMEX, among others. - Developer Advocate for the Open Source Babelfish for PostgreSQL Project (AWS). Patching, building, and assessments. - OCI images development using Earthly. - Postgres Development patch review and testing (2ndQuadrant, DDL decoding for BDR).