Site Reliability Engineer

(#4479)

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 CI/CD workflows,  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

• Strong Python skills; Rust exposure is a plus

• Strong experience with infrastructure as code (Terraform)

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 flexible

• 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