Site Reliability Engineer

About us:

Planner 5D is a global hub for home design, uniting over 90+ million users in 230 territories around our planet (yes, we have 2 users connecting from Antarctica each month!). Our platform simplifies the home renovation process from concept to execution, and this process has never been more straightforward with our cutting-edge software. You don't need to be a professional designer to enhance your home or workspace. We are dedicated to streamlining the design experience, making the customization of dream homes accessible to everyone.

Our cross-platform presence spans Web, iOS, Android, Windows, and MacOS, ensuring seamless synchronization for our users. Planner 5D is more than just software; it's a vibrant community of enthusiastic and product-oriented professionals. From diverse backgrounds, our team collaborates across time zones, fueled by a shared passion to revolutionize the home design market.

We are constantly looking for like-minded talent eager to take ownership and drive innovation within our expanding suite of tools. Join us in shaping the future of home design.

We are searching for SRE specialist who will join our team and work on improving and maintaining our IT infrastructure. Who will work closely with our tech stack: Docker Swarm, Kubernetes, Gitlab, nginx, PHP, MySQL, MariaDB, TiDB, Hazelcast, MongoDB, Redis, RabbitMQ, Ansible, Python, Bash

Responsibilities:

• Maintaining and improving infrastructure as code
• Ensuring and improving reliability of infrastructure
• Monitoring and alerting
• CI/CD in some cases
• Ready to resolve production infrastructure issues in case no-one else is available




Launch, maintenance and monitoring of:

• Front, load balancing and mirrors (nginx, haproxy, ...)
• Application servers (PHP)
• Container orchestration (Docker Swarm and Kubernetes)
• MariaDB Galera cluster
• File storage clusters (GlusterFS, Ceph, ...)
• MongoDB cluster
• Worker servers (rendering, AI, ...) - using Kubernetes or Ansible + Docker
• Monitoring and alerting (Grafana, Proeteus, Loki, ...)
• Cloud services (BigQuery, SES, ...)
• CDN and DNS
• Caching and queue servers (Redis, Hazelcast, RabbitMQ, ...)
• Multiple datacenters around the world
• Other internal services / servers (VPN, analytics, mailing, ...)
• Infrastructure as code (Ansible, Docker, Docker Swarm, Kubernetes, Gitlab CI/CD, ...)
• Virtual and dedicated servers

Required knowledge of:

• Linux (Ubuntu, Debian, Centos)
• Python and Bash
• Docker (build system, Docker Swarm)
• Kubernetes
• On-premise - how servers and their clusters work, how to set them up (database, cache, front, ...)
• Databases (SQL - MySQL/MariaDB flavor, NoSQL - MongoDB, Redis, ...)
• Networks, network protocols, settings of network elements
• Infrastructure and configuration as code (Gitlab CI/CD, Ansible, ...)
• Monitoring / logging - Grafana, Prometheus, Loki, ...
• Best practices in security, performance, memory management, maintainability, ...

Welcome knowledge:

• Database administration — SQL (MySQL, PostgreSQL), NoSQL DB (MongoDB, Redis)
• Load balancing and server clusters and how to setup / manage them (Haproxy, SQL-Proxy, Envoy, Galera cluster, LVS)
• Message broker (RabbitMQ, Kafka, ...)
• Backup and restore (disaster plan and practice)
• VPN - Wireguard, OpenVPN

Nice to have

• Experience with one of the cloud systems (AWS, Google, Azure, AliCloud)
• Some knowledge of C/C++, Java, PHP, Kotlin, Swift
• Understanding of Russian or Lithuanian languages

What we offer:

- Great work environment that balances freedom and responsibility

- Our team is made up of friendly and passionate enthusiasts who are eager to help and share their knowledge

- We believe in work-life balance, so you'll receive around 30+ days of paid holidays per year

- Company computer equipment by request

- Education courses for our team members, and we're willing to allocate funds toward your training expenses

- English classes on our corporate platform

- Offline company events in Lithuania and online team-building

- Unlimited free Planner5D subscriptions