MozillaHiring

Staff Site Reliability Engineer, Tools & Systems

  • Remote, United Kingdom
  • Senior
  • Posted 7 days ago
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In one line

Broad engineering role on the tools and systems that support browser engineering, spanning developer tooling, automation and cloud infrastructure; built in the open.

About the role

Cloud engineering teams supply shared platforms while product teams run their own services, and this role helps that model work by setting patterns and building automation. Problems arrive from across projects, so expect to join existing efforts or take one on alone.

At a glance

Pay
Not stated in the posting
Remote scope
Remote, United Kingdom
Seniority
Senior
Skills
Python, JavaScript, TypeScript, Rust, Terraform, CI/CD
Posted
22 Oct 2026
Last checked
29 Oct 2026

What you will do

  • Design, build, deploy and run software and systems that support browser engineering
  • Own hard problems end to end across software, cloud and operations, improving reliability, performance, observability and cost
  • Use telemetry, metrics and data analysis to find causes and guide decisions
  • Help shape architecture and technical strategy, spotting problems that repeat across teams

What they look for

  • Strong software engineering skills and real hands-on experience running production systems
  • Programming in Python or JavaScript/TypeScript, with C++ or Rust a plus
  • Building and operating cloud systems with infrastructure as code such as Terraform
  • Comfort working across teams and technical domains, and contributing to open source

How Keywordise applies for you

  1. 1Upload your CVAdd your CV once. It takes about a minute.
  2. 2Tailored to this jobKeywordise writes a CV and a cover letter for this job from your real experience.
  3. 3The form fills itselfName, email, experience and screening questions, field by field.
  4. 4Application sentYou get a receipt and follow it in your dashboard.

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ClaudeConnectorChatGPTConnectorMuseby Meta

Claude

  1. In Claude, open Settings, then Connectors, and choose Add custom connector.
  2. Name it Keywordise and paste the connector URL.
  3. Click Connect, log in to Keywordise and approve. Then send the prompt in a new chat.
Connector URL
https://keywordise.com/mcp

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ChatGPT

  1. In ChatGPT, open Settings, then Connectors. On plans that need it, turn on developer mode first.
  2. Add a new connector with the connector URL and choose OAuth. Leave the client ID and secret empty.
  3. Log in to Keywordise and approve. Then send the prompt in a new chat.
Connector URL
https://keywordise.com/mcp

Disconnect any time in your Keywordise settings.

Muse

  1. Open Muse (muse.ai or the app) and send it the message below.
  2. If Muse asks how to sign in, answer OAuth. Open the sign-in link it sends, log in to Keywordise and approve.
  3. Send the prompt. Muse asks before it sends anything.
Message for Muse
Add a custom connector called Keywordise. It is a remote MCP server at https://keywordise.com/mcp and uses OAuth. Give me the sign-in link.

Muse is available in the US only for now.

Prompt
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How to connect

Questions about this job

Is this a remote job, and where can I work from?

Yes, it is listed as remote, aimed at candidates in the United Kingdom.

What does this job pay?

No pay range is stated in the posting.

What experience is needed?

It is a senior role. The posting asks for: strong software engineering skills and real hands-on experience running production systems; programming in Python or JavaScript/TypeScript, with C++ or Rust a plus; building and operating cloud systems with infrastructure as code such as Terraform. Skills it names include Python, JavaScript, TypeScript, Rust.

How do I apply with Keywordise AI?

Click Apply with Keywordise AI, create an account and upload your CV. Your CV and cover letter are written for this job from what you have really done, then Keywordise applies for you. Trial: 7 days, no card.

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