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# Site Reliability Engineer

- **Company:** Centric Software
- **Location:** Paris, France (Remote available)
- **Contract:** Permanent contract
- **Skills:** PHP (Programming Language), Amazon Web Services, Amazon S3, Software as a Service, Databases, Continuous Delivery, Continuous Integration, Software Debugging, Elasticsearch, Github, Web Servers, Linux Kernel, Linux Servers, MariaDB, MySQL, RabbitMQ, Reliability Engineering, Ansible, Reverse Proxy, Datadog, Load Balancing, Docker Swarm, Saltstack, Grafana, Git, Containerization, Gitlab-ci, Kubernetes, Infrastructure Automation Frameworks, Low Latency, Puppet, Kibana, Terraform, Docker, Jenkins
- **Published:** October 16, 2026
- **Apply:** https://startup.jobs/site-reliability-engineer-csi-software-ltd-10491672

## About the Role

* 2+ years proven experience with Linux CLI
 * 2+ years proven experience with Docker or other container technology
 * Strong hands-on experience with PHP applications and their runtime (php-fpm process management), able to read and debug application code
 * 5+ years proven experience with GIT
 * You have good knowledge over a multitude of technologies (from Linux Kernel and Load Balancing to PHP, AWS S3, from container orchestration to MySQL/MariaDB and Elasticsearch)
 * B2 English

Preferred qualifications

 * 3+ years proven experience with configuration management tools (Ansible; Saltstack; Puppet; Chef etc)
 * 1+ years proven experience with Kubernetes
 * 3+ years proven experience managing clustered Linux servers
 * 2+ years experience working in a team, on large GIT projects
 * 3+ years proven experience with CI/CD tools (ideally Github Actions or similar tools like GitLab CI, Jenkins)
 * with a monitoring tool (ideally Datadog or prometheus/grafana or kibana/elasticsearch)
 * 2+ years proven experience managing Elasticsearch clusters
 * 2+ years proven experience managing MySQL / MariaDB
 * Proven experience troubleshooting complex issues [
 * 3+ proven experience with at least one cloud provider (ideally AWS)
 * 3+ proven experience with IaC tools (ideally Terraform)
 * proven experience with RabbitMQ is a plus

YOUR PERSONALITY - BE A PART OF OUR RELENTLESS PIONEER STRATEGY:

 * Communication: you like to share your knowledge with your colleagues and to document your work
 * Curiosity:
You want to find out the root cause of problems and fix them permanently
You enjoy introducing innovations and implementing improvements
You are interested in exciting current trends and technological developments in the cloud environment like Docker and Docker Swarm, Ansible, Continuous Integration, Continuous Deployment and AWS services

 * Customer first: we are here to support our customers and do all in our power to help them
 * Initiative and Ownership: you make it, you run it, you break it, you fix it

## Description

In your new role as Site Reliability Engineer, you will support us right in the heart of our SaaS, as an integral member of the Site Reliability Engineering team. You will be responsible for the Shoppingfeed product, working in close relations with our software developers and infrastructure engineers, but also with our security and QA colleagues.

YOUR CURRENT TASKS WITH THE OPPORTUNITY TO GROW - WHAT WILL YOUR LIFE AT CENTRIC SOFTWARE LOOK LIKE?

In your everyday work you have a diverse range of tasks with lots of space for development:

 * Diagnose and resolve application-level reliability and performances issues across the pull request path (nginx -> php-fpm -> application -> database/cache)
 * Tune and scale the web-serving layer under production load - php-fpm pool sizing and process management, nginx timeouts/buffering/upstream keepalive, capacity planning.
 * Solid experience configuring and troubleshooting nginx as a reverse proxy / web server (timeouts, buffering, upstream keepalive, diagnosing 502/504s).
 * Proven experience diagnosing and resolving performance and scaling problems under load (latency, worker/pool saturation, capacity planning).
 * Develop, maintain, and support our own Docker-based workloads
 * Own the product deployment and upgrade process end to end
 * Support and troubleshoot running customer-facing services
 * Work 50% of your time with our product teams, ensuring much-needed improvements get defined, explained, worked on and rolled out
 * Continuously helping to improve both our product and the infrastructure underneath, by taking the responsibility together with your team
 * Define reliability metrics and ensure they are kept by all the systems you oversee
 * Be part of our On-Call and On-Duty rotations