Senior Site Reliability Engineer – Quantum Computing (f/m/d)

eleQtron develops and operates full-stack quantum computers based on trapped-ion technology. Quantum computing is a new computing paradigm rapidly approaching commercial viability. Our unique approach combines laser-cooled trapped ions with microwave control and tailored magnetic fields. Our next-generation computing machines under development will be able to find solutions to problems that are out of reach today, thus enabling new innovative products and services for a brighter future.

We are looking for a Senior Site Reliability Engineer to drive the reliability, scalability, and operability of the software systems powering our trapped-ion quantum computers.

Responsibilities:

As a Senior Site Reliability Engineer – Quantum Computing (f/m/d), you will take end-to-end responsibility for the reliability, stability, and operability of our software that operates our quantum computers. You will act as a technical authority for system reliability, shaping how our quantum computers are operated, monitored, and evolved in production-like lab environments. This is an on-site position in Siegen or Hamburg, working closely with software engineers, firmware developers, physicists, and hardware engineers in an interdisciplinary environment.

• Own the reliability strategy for the quantum control and quantum program execution stack

• Define and continuously refine SLIs, SLOs, error budgets, and operational guardrails

• Design and evolve the observability architecture across software, infrastructure, and hardware-adjacent layers  

• Lead incident response, post-mortems, and root cause analyses for critical system failures

• Proactively identify systemic risks and drive mitigation strategies

• Drive automation initiatives to reduce operational toil and improve system stability

• Establish and maintain operational standards, runbooks, and documentation

• Shape CI/CD and release processes with a strong focus on reliability and safe deployments

• Act as a trusted partner for development teams when designing production-ready systems

• Mentor engineers and raise reliability awareness across the organization

Required Skills:

• Bachelor's or master's degree in Computer Science, Engineering, or a related field, or equivalent experience

• 5+ years of professional experience in SRE, DevOps, Platform Engineering, or Systems Engineering

• Proven track record of operating and stabilizing complex, mission-critical systems

• Strong experience with containerized and orchestrated environments

• Hands-on experience with monitoring, alerting, and observability systems 

• Experience leading incident response and driving post-mortem

• Strong technical documentation and architectural reasoning skills

• Creative mindset and enjoyment working in a multicultural and interdisciplinary team  

• Ability to make sound engineering trade-offs under uncertainty 

• Fluent in written and spoken English

We value:

• Experience in hardware-adjacent, lab, or cyber-physical systems

• Background in scientific, research, or experimental environments

• Strong Python skills for automation and tooling

• Experience with long-running, stateful workloads

• Familiarity with firmware, control systems, or real-time constraints

• Experience with programmatic device control (e.g. SCPI, serial, USB, TCP/IP)

• Prior exposure to quantum computing or other deep-tech domains
  

What you can expect from eleQtron:

• Competitive salary: We value our team members and therefore provide remunerations that reflect this, additionally rewarding achievements

• Flexible working hours: We offer personal freedom through a variety of flexible work schedules

• Team spirit: In our international and diverse team, and with our regular team events, having fun at work is simply part of the culture

• Further development: We want to grow together and so we offer our team members needs-based, individualized further training as well as plenty of room for personal development

• Wellness Package: We offer health-promoting benefits such as fitness programs like UrbanSportsClub to support your well-being

• Bike Leasing: Stay Mobile and Sustainable with Our Company Bike Leasing Program

• Moving Benefits: A warm welcome! We are happy to support employees who move for us with a bonus

• At the forefront: Work at the forefront of technology, where academic research meets commercial applications 

• Modern workplace: We have a high-quality infrastructure with laboratory space,