NMI is an international market-leading FinTech company. A Payment Gateway which develops the most trusted payments software for customers in 38 countries across the world. With offices in Chicago, Salt Lake City, New York, and Bristol UK; our payment technology powers millions of card payment transactions, worth billions, securely and reliably, worldwide. We are currently urgently looking to find a Senior Linux Engineer to join the growing Infrastructure team.

The Linux Engineer will ideally be based full time from our Bristol office however we would also consider candidates looking for remote work so long as they live within a distance of the office that means they could come to the office occasionally when necessary. If you want to join a team of industry leading experts, are passionate, talented, and ambitious and want to drive the continued development, we want to hear from you!

About the role

Engineers at NMI work relentlessly to improve, refine, and support all layers of our technology stack. “Status quo” is not in your vocabulary. You strive to automate every process, building scalable solutions on a foundation of visibility, stability, and security.

  • Execution – 60%
    Turning ideas into action through coding and infrastructure support. It’s all about getting stuff done! You are proactive to turn thoughts and conversations into results.
  • Teamwork / Collaboration – 30%
    Regular team meetings to discuss current and long term projects. Daily peer reviews, task pairing, participate in the on-call rotation, and most important… document everything.
  • Innovation – 10%
    Plan, research, evaluate, propose! Consistently demonstrate the importance of investing time now to exponentially save time and resources later.


  • Infrastructure as code – emphatic with incremental development, test-driven design, convention over config, dependency injection, DRY, rapid prototype, service-oriented
  • Demonstrable experience with a variety of platforms and technologies
    • RHEL 7+
    • Dell, Juniper, F5, Equalogic
    • Virtualization: Proxmox, LXC, QEMU
  • Strong grasp of automation tools
    • Puppet, Gitlab CI
  • Self-starter/Self-regulated – you don’t need to ask what to do next.
    • Execute projects with minimal direction. Organized, concise, efficient.
  • Collaborative – crossing functional borders.
    • Interpersonal skills are a must! Strong focus on business outcomes.
    • Consistently developing knowledge of the business and our impact in the market.


    • Competitive base salary
    • 25 holiday days each year (+ bank holidays + 1 day after each year of service with up to a max. of 30 days)
    • Work-life balance with our Flexi-time policy
    • 7 hours per day, 35 hours per week
    • Annual bonus scheme
    • A chance to develop with an allocated company training budget
    • Private health insurance
    • Bike2Work Scheme (government-backed cycle to work scheme)
    • Workplace pension scheme
    • Perkbox subscription – discounts on gyms, restaurants, high st retailers, cinema tickets etc
    • Free fruit delivered to the office
    • Brand new refurbished, central Bristol offices.

We’re looking for creative and passionate people who share our vision of making payments easy. If that sounds like you and you meet the requirements above, then get in touch!

Please be aware that all offers of employment are made subject to receipt of satisfactory background and financial checks.

Please be aware that NMI does not operate a licence for the sponsorship of those who are not already eligible to work within the UK. Unfortunately, therefore we cannot process any application from individuals unable to provide documentary evidence of their eligibility to commence work in the UK.

To apply for this job please visit

Job details


Skills required

Perks & benefits

Flexible Working
Private Health
Bike Loan
Performance Bonus
Subsidised Learning
Good Pension
Volunteering Days
Free Food