Linux Administrator in Brainstack_

Brainstack_ is a Ukrainian multi-product IT company that develops cross-platform applications and services in the following areas: Parental Control, Wellness Ecosystem, Lifestyle Apps, Crypto&Blockchain, and since 2023 the company has started to develop in the direction of AI. Our company is a team of like-minded people united by a common goal and value. We build a favorable environment for the creation and implementation of world-class high-tech projects in their respective niches. The company's products are a synergy of services and cross-services managed by Kubernetes and use various database management systems, such as MySQL, PostgreSQL and MongoDB, as well as work with HTTP and AMQP protocols. Technical stack: Backend - developed in PHP programming languages (Symfony), NodeJs and Python. Frontend - implemented using React.js, Next.js and vanilla JS. Mobile app - developed using Kotlin, Swift(SwiftUI) and Flutter. Now we are looking for an experienced Linux Administrator to join the Infrastucture Team. This position involves visiting the office in Kyiv. Necessary skills: 1+ years of experience in the role of System Administrator; Network knowledge, full understanding of the OSI model. Ability to configure, profile and solve network problems; Experience with containers and virtualization using Docker, LXC, KVM/QEMU; Experience with databases: MySQL\Percona, PostgreSQL, MongoDB. Fine-tuning, replications, backups; Knowledge of SQL (ability to find bottlenecks, problems and solve them. Ability to optimize configuration and plan DB structure depending on needs); Experience in administration of linux distributions (Debian/Centos/Ubuntu/etc).; Knowledge of local tools for monitoring and troubleshooting : tcpdump, ss/netstat, mtr, vmstat, iostat, top, sar, free, pmap, ps, lsof, strace, iproute2 utilities; Experience in working with log pool monitoring systems: Zabbix, Grafana, Sentry, ELK stack, Prometheus. Ability to write complex scripts (shell/python); Experience with automation software such as ansible, puppet or chef; Sufficient level of English to understand the documentation. Basic skills of working with AWS/GCP/Azure Main tasks: Support Development teams; Support cloud solutions (AWS ); Company network support (Datacenter networking, vSwitch, Mikrotik, OpenVPN); Database tuning and optimization. Performing migrations; Researching database problems; Full understanding of how to deploy and customize all existing monitoring systems (Zabbix, Elk, Grafana, DME, Prometheus, Pingdom...); Responding to alerts from monitoring systems (zabbix, grafana, IPscanner, ELK, prometheus, aws mails, domainmod); Writing documentation for existing solutions and infrastructure description; This position involves rotation (1-2 weeks per month in business time). Personal qualities of a Brainstack_ specialist: Communicative. Clearly and intelligibly expresses his thoughts orally and in writing. Willingly shares information and knowledge with colleagues. Can explain complex things in simple words. Proactive. Takes responsibility for his professional activities. Suggests ideas for improving the work process. Seeks to help colleagues achieve results. He has defined goals, he directs them diligently. He is positive and optimistic. He believes in the positive outcome of any situation.. Knows how to be grateful and supports team members. Has a sense of humor, does not gossip. Ready to change. Let's talk about Brainstack_ employees: Comfortable working conditions: The opportunity to visit a comfortable office in Kyiv with delicious breakfasts, recreation areas and PS5; FOP employment; 100% paid sick leave; 18 days of annual leave and 3 days off; Medical insurance; Conducting creative master classes and team building for teams. Culture professional development: Compensation for external professional training upon request; Possibility of attending specialized events to improve skills; Compensation for learning a foreign language; Access to the electronic library; Brainstack_Leadership school - here we grow leaders within the company; The possibility of making an internal transition, if you want to develop in another direction over time - you can switch to another position within the framework of the company. Help and support: Internal corporate fund of 1% for the ZSU (monthly we close the requests of military relatives and close colleagues); Support for colleagues who joined the ranks of the ZSU (saving the workplace, monthly monetary reward and opening requests for military ammunition) Care of the "sunny children" of the Ivano-Frankivsk region If you like the vacancy and want to be part of our team, then we are waiting for your resume. P.S. The CV review period is up to 7 working days. If you have not received a response from the recruiter within this time, it means that we have considered your resume, but at the moment there are no vacancies in the company that match your experience and wishes.