DevOps Engineer (with OCaml Knowledge) - zk Infrastructure

MLabs; United Kingdom; On-site; USD 130,000 - 180,000; Full time

Job summary

A leading company in the IT Services and Consulting sector seeks a proactive DevOps Engineer skilled in Nix and OCaml. The role involves establishing CI/CD pipelines and managing infrastructure for zero-knowledge proof systems. Candidates should possess strong problem-solving skills and be able to work independently in a remote setting.

Qualifications

• Strong experience in DevOps (Nix, Terraform, Docker, GitHub Actions).
• Experience with OCaml projects and build systems like Dune.
• Comfortable with Linux systems administration and automation.

Responsibilities

• Design, implement, and maintain CI/CD pipelines.
• Automate builds, tests, and releases.
• Provision and manage machines for SNARK proving.

Skills

DevOps

Nix/Nixos

Terraform

Docker

GitHub Actions

Linux Systems Administration

Shell Scripting

Job description

DevOps Engineer (with OCaml Knowledge) - zk Infrastructure

DevOps Engineer (with OCaml Knowledge) - zk Infrastructure

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We are looking for a proactive and independent DevOps Engineer with experience in Nix to help us scale our zero-knowledge infrastructure on testnet and mainnet. You will play a key role in enabling efficient transaction proving by setting up the necessary environment, pipelines, and release tooling for our SNARK-based architecture. You must be hands-on, self-directed, and able to take full ownership of delivery from setup to deployment.

Key Responsibilities

• Design, implement, and maintain CI/CD pipelines for a zk rollup and proving
  
  

environment.

• Automate builds, tests, and releases
• Provision and manage machines for parallel SNARK proving at scale (cloud or bare
  
  

metal).

• Support testnet deployments, monitor health, and manage upgrades
• Collaborate with protocol and engineering teams to integrate DevOps with zk circuits
  
  

and infrastructure.

• Implement logging, alerting, and monitoring for proving-related services
  
  

Requirements

Technical Skills

• Strong experience in DevOps (Nix/Nixos, Terraform, Docker, GitHub Actions, etc.)
• Experience with OCaml projects — understanding build systems like Dune,
  
  

managing dependencies.

• Experience deploying and managing distributed systems or proving clusters
• Comfortable with Linux systems administration, shell scripting, and automation
  
  

Soft Skills

• Able to work independently with minimal supervision
• Comfortable owning projects from setup to maintenance
• Strong problem-solving mindset and sense of urgency
• Excellent communication in a remote-first, async environment
  
  

Nice to Have

• Experience with Mina Protocol, o1js, or related zk-rollup technologies
• Familiarity with Ocaml or any other functional languages
• Familiarity with zero-knowledge proofs, ideally SNARKs
• Knowledge of Kubernetes or container orchestration for provers
• Exposure to testnets, forks, or zk infra deployment strategies
  
  

Benefits

How to Apply: Please apply if you think you would be suitable for this role. We look forward to your application and the opportunity to welcome you to our team.

Due to the high volume of applications we anticipate, we regret that we are unable to provide individual feedback to all candidates. If you do not hear back from us within two weeks of your application, please assume that you have not been successful on this occasion. We genuinely appreciate your interest and wish you the best in your job search.

Commitment to Equality and Accessibility: At MLabs, we are committed to offer equal opportunities to all candidates. We ensure no discrimination, accessible job adverts, and providing information in accessible formats. Our goal is to foster a diverse, inclusive workplace with equal opportunities for all. If you need any reasonable adjustments during any part of the hiring process or you would like to see the job-advert in an accessible format please let us know at the earliest opportunity by emailing [e-mail].

MLabs Ltd collects and processes the personal information you provide such as your contact details, work history, resume, and other relevant data for recruitment purposes only. This information is managed securely in accordance with MLabs Ltd's Privacy Policy and Information Security Policy, and in compliance with applicable data protection laws. Your data may be shared only with clients and trusted partners where necessary for recruitment purposes. You may request the deletion of your data or withdraw your consent at any time by contacting [e-mail].

Seniority level

• Seniority level

  Entry level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Other

• Industries

  IT Services and IT Consulting

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