Martin A. S.

WHEN YOUR BUSINESS CAN'T AFFORD DOWNTIME! Hi, I’m Martin Sarbanha. I’m a Senior SRE and Linux Engineer who specializes in getting critical systems back online when things go wrong—and keeping them stable afterward. Most of my clients reach out when: - Systems are down or behaving unpredictably - Errors or bugs are blocking business operations - Deadlines are tight and pressure is high - Clear ownership and accountability are essential When incidents happen, I step in calmly and methodically. I’m available nights or weekends when needed, and I focus first on stabilizing the environment and restoring service. Once things are running again, I dig into the root cause so the same issue doesn’t come back. I stay involved through post-incident follow-up to make sure the fix actually holds. I hold a Master’s degree in Information Technology (UK) and bring over 20 years of hands-on experience across Linux systems, cloud infrastructure, networking, CI/CD, and live production environments. I’ve seen most failure scenarios before—and I recover systems based on experience, not guesswork. I take my clients’ businesses seriously. I respect your time and budget, communicate clearly, set realistic expectations, and stay accountable from the first assessment through full stabilization. # Services & Expertise ## Emergency System Rescue & Recovery - Production outages and service failures - Server crashes, hangs, and instability - Database failures (MySQL / MariaDB) - Broken deployments and failed updates - Malware cleanup and security incidents ## Linux & Infrastructure Engineering - Linux administration (RHEL, CentOS, Ubuntu, Debian, Rocky) - Nginx, Apache, and PHP-FPM optimization - Monitoring, backups, and disaster recovery - Server migrations with minimal downtime ## Cloud, Virtualization & DevOps - AWS and Google Cloud Platform - VMware ESXi / vCenter, Hyper-V - Docker and containerized environments - CI/CD pipelines and automation workflows ## Networking, DNS & Email - DNS setup and troubleshooting - SSL certificate configuration and renewals - VPNs (IPSec, OpenVPN, site-to-site, remote access) - Email deliverability (SPF, DKIM, DMARC) ## Web & Application Support - PHP applications (Symfony, WordPress) - Legacy system stabilization - Performance tuning under real-world load # How I Work - Fast, structured assessment and triage - Clear communication and honest timelines - Practical solutions over unnecessary complexity - Accountability through resolution and follow-up I work best with professional clients who value clear communication, realistic timelines, and responsible engagement. Emergency and off-hours support is reserved for genuinely critical situations.