Senior Database Architect - Battery Energy Storage Systems d/f/m

Senior Database Architect - Battery Energy Storage Systems d/f/m

RWE Technology International GmbH

To start as soon as possible, full time, permanent

About the role

• Architect and Optimize TimescaleDB for large-scale time-series workloads, including schema design, indexing strategies, and advanced query tuning to ensure peak performance under high-volume ingestion.
• Fine-tune Kafka brokers, topics, and consumer configurations to maximize throughput, resilience, and operational efficiency across all streaming pipelines.
• Validate, monitor, and improve data flows from Kafka into TimescaleDB, ensuring data integrity, consistency, and reliable real time delivery.
• Enhance and optimize Go-based consumers, implementing performance improvements, scalability enhancements, and best practices for clean, maintainable code.
• Audit, refactor, and streamline the existing solution, improving maintainability, readability, and long term architectural alignment with industry standards.
• Collaborate closely with Ignition SCADA systems to guarantee accurate, low latency data ingestion into Kafka and early detection of data flow disruptions.
• Monitor, maintain, and troubleshoot the entire data pipeline, including TimescaleDB, Kafka, Go applications, and SCADA integration points, while ensuring high availability, rapid issue resolution, and comprehensive technical documentation.

Job requirements and experience

• 8+ years of industry experience in database architecture, data engineering, or distributed systems.
• Strong expertise in TimescaleDB and PostgreSQL as well as time series optimization, along with deep experience in Kafka producer-consumer design and tuning.
• Proficient in Go, capable of writing efficient, modular, production grade services.
• Hands on experience with Linux, containers, like Docker, Kubernetes, and modern DevOps practices, including tools like Ansible, Terraform, and CI/CD pipelines.
• Solid understanding of distributed systems, asynchronous messaging, and performance monitoring using tools such as Prometheus, Grafana, and ELK.
• Familiarity with industrial systems, ideally Ignition SCADA, and comfort working with real time operational data flows.
• Analytical, solution focused mindset with strong ownership, excellent communication, and business fluent English and good German skills.

RWE is committed to creating a diverse and inclusive environment - we value your passion, your willingness to learn and your desire to thrive.

Benefits

• A salary from approximately £65,000 to £85,000 depending on experience, a bonus opportunity of 15% according to scheme rules and a personal retirement savings plan - if you put in 5% we will top up by a further 10% and you will get life assurance worth 4 x annual salary.
• 25 days annual leave plus bank holidays, pro rate.
• Company Paid Private Medical Insurance for you and your family.
• Enhanced parental leave from day 1 of you joining - For primary care givers, weeks 1 29 will be fully paid and paid via SMP. For secondary care givers, you'll get 12 weeks of fully paid leave.
• One free professional membership subscription.
• Access to flexible benefits such as Critical Illness, Dental Plan, Health Cash Plan, Share Incentive Plan, Cycle2Work, Electric Car Lease Scheme, Buy Additional Annual Leave and retail savings scheme.
• Occupational Health support services for your wellbeing.
• Access to our employee assistance programme in times of need.
• Up to 2 days volunteering a year.

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ad code 91428, application period: 18.01.2026.

Any questions? Contact HR: Lisa Merryweather, .

We value diversity and therefore welcome all applications - regardless of gender, disability, nationality, ethnic and social origin, religion/belief, age, sexual orientation, and identity.