We are looking for an experienced Site Reliability Engineer to ensure the stability, scalability, and operational excellence of a Kubernetes-based platform running in a hybrid environment.

The project is entering a pivotal phase, with a major go-live planned for mid-February and a target audience of 75,000 users. User onboarding is already underway, with over 5,000 users connected and 15,000–20,000 expected to be active by year-end. While the system is stable, we anticipate increased activity and new challenges in January, February, and after the go-live—making this an exciting opportunity to make a real impact. The role focuses on performance optimization, scaling strategies, observability, and reliability engineering.

Required Skills:

- 4+ years of experience as SRE / DevOps Engineer

- Strong hands-on experience with Kubernetes in production

- Experience working with hybrid infrastructure (on-prem + cloud)

- Solid knowledge of PostgreSQL performance tuning and scaling

- Experience with Qdrant or other vector databases

- Experience with Helm, Kubernetes autoscaling, and resource optimization

- Familiarity with observability stacks (Prometheus, Grafana, ELK/Loki)

- Understanding of performance engineering and load testing

- Experience with Linux systems and networking





- Strong troubleshooting and incident-management skills

Nice to Have:

- Experience with STACKIT or other sovereign clouds

- Experience with PgBouncer

- Knowledge of SRE practices (SLO/SLI)

- Experience in regulated or public-sector environments

- German language skills

Responsibilities:

- Operate and optimize hybrid infrastructure (on-prem & STACKIT)

- Manage and scale Kubernetes clusters

- Optimize Helm charts, resource usage, and autoscaling

- Conduct performance, load, and stress testing

- Ensure reliability, availability, and monitoring of production systems

- Tune and operate PostgreSQL

- Operate and optimize vector databases (e.g. Qdrant)

- Implement monitoring, logging, and alerting

- Support incident response and capacity planning

We offer*:

- Flexible working format - remote, office-based or adaptable

- A competitive salary and good compensation package

- Personalized career growth

- Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)

- Active tech communities with regular knowledge sharing

- Education reimbursement

- Memorable anniversary presents

- Corporate events and team buildings

- Other location-specific benefits

*not applicable for freelancers

📌 Site Reliability Engineer (España)
🏢 Sin nombre
📍 España