Senior Software Infrastructure Engineer (DevOps)

Company: Quantum
Apply for the Senior Software Infrastructure Engineer (DevOps)
Location: London
Job Description:

Senior Software Infrastructure Engineer

Overview

The primary function of this position is to develop, manage and maintain software services ensuring production services perform effectively while maintaining high internal customer satisfaction. This includes developing, maintaining, supporting and optimizing key functional areas, particularly internal applications and servers in a hybrid infrastructure. You will develop, troubleshoot and resolve software and process problems in a timely and effective manner.

This presents an early opportunity to join a quantum computing start‑up and be part of a new team, with significant opportunities for professional growth and impact.

Responsibilities

  • Translate complex business requirements into scalable, high‑availability software architectures.
  • Lead the evolution of a robust hybrid‑cloud environment, optimizing the interplay between on‑premises servers and cloud services.
  • Drive a culture of automation by developing deployment, monitoring and self‑healing systems.
  • Establish best practices for writing modular, performant, and maintainable code.
  • Conduct rigorous peer reviews and mentor junior engineers.
  • Design and oversee comprehensive testing strategies to ensure high service reliability and seamless CI/CD pipelines.
  • Act as a technical consultant to internal business units, translating constraints into opportunities and ensuring high‑touch customer service.
  • Design and version robust RESTful and GraphQL APIs for internal business applications.
  • Apply knowledge of microservices and monolithic architectures, and event‑driven patterns.
  • Write infrastructure as code using Terraform, CDK or CloudFormation.
  • Implement full‑stack observability using Prometheus, Grafana or ELK Stack.

Qualifications

  • Five or more years of software development experience in production environments.
  • Strong background in system architecture and problem‑solving.
  • Experience with hybrid‑cloud or on‑premises infrastructure.
  • Proficiency with automation, CI/CD, and monitoring tools.
  • Experience with RESTful or GraphQL API design.
  • Familiarity with IaC tools such as Terraform, CDK or CloudFormation.
  • Knowledge of observability platforms including Prometheus, Grafana or ELK.
  • Excellent communication and mentoring skills.
  • Willingness to work onsite in London, Oxford or SanSebastián as required.

Benefits

  • Competitive salary and share options scheme.
  • Choose your own laptop/kit.
  • Flexible working.
  • Opportunity to work in a cutting‑edge quantum computing environment.

Equal Opportunity

Quantum Motion is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, disability, gender reassignment, marital or civil partner status, pregnancy and maternity, race, colour, nationality, ethnic or national origin, religion or belief, sex, sexual orientation, or any other characteristic protected by applicable local laws.

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Posted: July 7th, 2026