Summary
Sergey Tolmachev is a Site Reliability Engineer with over 12 years of hands-on experience managing large-scale Unix and Linux environments, SANs and virtualized infrastructures for organisations including Apple, Booking.com, Yandex and major financial firms. He’s managed 24x7 high-load server farms of 400+ hosts, implemented security and monitoring controls, and is proficient in Python, Go and shell for automation and incident response. Sergey’s background spans Solaris, FreeBSD, VMware, HDS/EMC storage and clustering technologies, backed by vendor certifications (Sun, Cisco, Symantec, HDS) that reflect deep operational expertise. He blends a process-oriented mindset with practical field engineering experience—having led migrations, SAN deployments and multi-site support—and lives by the credo “Hope is not a strategy,” which drives his focus on repeatable, auditable reliability. Based in London with a Master’s in Computer Science, he brings both legacy-system stewardship and modern SRE practices to complex, high-stakes production environments.
12 years of coding experience
19 years of employment as a software developer
Master of Science (MS), CS, Master of Science (MS), CS at Moscow State Institute of Radiotechnics, Electronics and Automation
English, Russian