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Nucleus Security

Senior Site Reliability Engineer (SRE)

Nucleus Security
United Kingdom · Full-time · Mid-Senior
EMEA Or APAC Preferred

Are you looking for more in life than just building another web app? Does upending cyber security resonate with you? We're a fast-growing cyber security startup that is paving the way forward for how vulnerability management is run in large enterprise organizations. For our customers, vulnerability management has always been a game of catch up, with limited asset coverage and manual processes. Nucleus’ core goal is to build a fast and scalable platform that solves these problems and many more so that vulnerability management isn't just possible, it's easy. We're looking for a passionate Senior Site Reliability Engineer to join our growing team of engineers.

What You Can Do:

The following skills and experience are key to succeeding in this role:

  • Design, build, and maintain highly available and scalable cloud infrastructure
  • Manage and scale Kubernetes clusters to handle dynamic workloads in a secure environment
  • Develop and deploy Infrastructure as Code (IaC) using Terraform
  • Develop automation scripts using Ansible, Bash, and Python to reduce operational toll
  • Build and maintain CI/CD pipelines using Bitbucket, GitHub, or GitLab
  • Build and monitor system health using tools like Prometheus, Grafana, Loki, or CloudWatch
  • Lead and mentor junior engineers, guide technical decision, and foster a culture of collaborate and continual improvement
  • Facilitate incident response, conduct root cause analysis, and blameless retrospectives
  • Experience working with relational databases

Preferred Qualifications:

  • DevSecOps or related field experience with hands-on expertise in AWS and GCP
  • Familiarity with SingleStore or distributed database systems
  • Experience with building or containerizing PHP applications
  • Proven leadership experience with a track record of helping drive team success
  • Experience working with vulnerability scanning technologies on any part of the tech stack (e.g. SCA, SAST, DAST, IAST, VM Scanning, Container, etc.)

Why You Should Be Excited

  • Work on a truly unique solution that’s defining a market and making an actual impact
  • Get in on the ground-floor of a financially secure start-up with a rapidly expanding enterprise customer base
  • We’re biased but work with one of the best teams in security. We have a lot to get done and we work extremely hard, but we also laugh and have fun in the process
  • Outstanding benefits - flexible work hours, fully remote, unlimited PTO, generous education, and training budget… just to start

Additional Information

At Nucleus we are committed to achieving excellence in our field by combining diversity, collaboration, teamwork, and pride in our work. All qualified applicants will receive consideration for employment without regard to race, sex, color, religion, sexual orientation, gender identity, national origin, protected veteran status, or disability.

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Key Skills

Ranked by relevance

cyber security infrastructure as code incident response kubernetes prometheus terraform ansible grafana python cloud bash loki cicd aws php vm
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United Kingdom

Global English-speaking job market

Posted
Jun 04, 2025
Type
Full-time
Level
Mid-Senior
Location
Belfast
Company
Nucleus Security

Industries

Internet Publishing

Categories

Engineering Information Technology

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