Description:

SupportYourApp is looking for an experienced DevOps Engineer to help maintain our infrastructure at the highest level.
You will automate development and testing processes, from creating new projects to supporting existing ones.
You will build and maintain CI/CD processes.
You will configure and monitor systems using tools such as Grafana, Prometheus, Nagios, ELK, and Sentry.
You will support cloud servers, including installation, patch management, and troubleshooting technical issues.
You will work with databases, focusing on backup, replication, query profiling, and troubleshooting.
You will ensure the security of servers and systems by identifying and resolving vulnerabilities.
You will document and maintain system inventory.

Requirements:

You must have 3+ years of experience in system/network administration, primarily with Linux servers.
You should have knowledge of computer networks and protocols, including network topology basics, OSI model, and key TCP/IP stack protocols (DNS, IP, TCP, UDP, HTTP/HTTPS, WebSockets).
Practical experience with Linux is required.
You must be skilled in writing scripts in Bash.
Experience with Docker and docker-compose is necessary.
You should have practical experience building CI/CD pipelines using Jenkins and Ansible.
Experience administering web servers and load balancers (Nginx, Apache Tomcat, Haproxy) is required.
You should have experience configuring Postfix (IMAP, DMARC, SPF, DKIM).
You must be able to work with availability tools (Keepalived, Corosync).
Experience managing MySQL and PostgreSQL databases (backup, recovery, encryption) is necessary.
Knowledge of SQL (syntax, profiling, performance optimization) is required.
Experience administering ProxySQL, Repmgr, Redis, Memcached, and RabbitMQ is necessary.
You should have knowledge of the Grafana/Prometheus/Promtail/Oncall stack, Nagios, and ELK.
Experience with AWS/S3 and Cloudflare is required.
You must have an Intermediate (B1) level of English or higher.