Mikhail Efremov Email & Phone Number

Moscow, Ru

Moscow, Ru

Analytics, programming and systems design tasks at the Incident & Problem Management Unit

Москва, Россия

Tasks at the intersection of system engeneering and software development in the Yandex.Cloud Marketplace team.

Москва, Россия

Deploying of the new internal services, CI/CD-related automation and making some of infrastructure code optimization tasks in the Kaspersky Fraud Prevention team. Main toolset: Ansible, Redash, Clickhouse, Jenkins, Groovy, Hashicorp Vault, Zookeeper etc.

Moscow, Russian Federation

Support and operation with continuous integration systems (i.e Teamcity; deploying process realization and improvement), various monitoring solutions (Zabbix & Splunk).Deep research of various incidents in collaboration with colleagues from different departments, related to 24x7 fine-working of remote services (www.tinkoff.ru web-portal, API services; various services for SME).Bash & Python scripting for different tasks, configuration services with Salt configuration management system.Automatization of technical tasks related to administering of multiple Splunk clusters, also coordination of Splunk sysadmins team work and education them from scratch.Many technical tasks related to Tinkoff education platform (aka fintech.tinkoff.ru) infrastructure, participation in the development of DevOps course as lectures author, teacher, mentor and coordinator.

Moscow, Russian Federation

Setup and support of shared, virtual private and dedicated hosting servers under FreeBSD and Linux (and a bit of MS Windows).Design, monitoring, analysis and operational development of highload systems in 24x7 mode (e-mail, DNS, Web, PostgreSQL, MySQL).Shell, php, python, perl, coreutils, sed, awk scripting. Log analysis, diagnostics of abnormal load causes, identifying of web applications security holes, prevention of webshell and other backdoor injection attacks. Basic DDoS protection.Making of non-standard operation system environment builds. Tuning of monitoring systems, writing plugins for them.RAID arrays setup. Work in the data center, instalation and diagnostics of hardware. Standard and non-standard setup of network interfaces on servers (LACP, CARP, VLAN), writing automation scripts for monitoring of network equipment states (for Qtech, Mikrotik with nc, telnet and SNMP).Developing the outgoing spam prevention system for shared hosting.Making the training cources, lecturing and testing of technical department staff.Creating the test benches and diagnostic instruments for improvement of quality of client servicing.

Moscow, Russian Federation

Troubleshooting of web, e-mail, FTP, SSH, DNS and MySQL services.Automatization of working tasks with bash, C, PHP, Perl.Basic administration of Linux Virtual Private Servers.Interaction with the clients by telephone and e-mail.

Инженер (Специалист), Информационные Технологии, 4.56

Activities and Societies: Musical experiments and a bit of sound processing; hiking"Indexing" in mind a lot of information sources related.

Выпускник, Физика, Математика, 5

Solving of not so trivial physical and mathematical educational tasks from some elementary fields. Collaboration work and discussion.