Founding Senior Platform Engineer (£120,000-£140,000 + Equity) at Magentic.com

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Founding Senior Platform Engineer (£120,000-£140,000 + Equity) at Magentic.com - Sequoia-backed AI startup

Company Description: Magentic.com - Sequoia-backed AI agents for manufacturing procurement

Job Description:
As the first platform hire, you will design and own the entire cloud-native infrastructure powering Magentic’s AI agents. You will build multi-tenant, multi-cloud systems from scratch, ensuring enterprise-grade security and observability for global manufacturing customers. This is a high-impact role shaping the technical backbone of a $3tn market solution.

Why this role is remarkable:

• Join as the founding platform engineer with total ownership of the infrastructure roadmap and the ability to build a "best-in-class" system without legacy constraints.

• Work alongside a world-class team from OpenAI, NASA, Meta, and Revolut, backed by top-tier investors including Sequoia Capital.

• Tackle complex technical challenges involving autonomous AI agents, multi-cloud deployments (AWS/Azure), and mission-critical supply chain automation at a massive scale.

What you will do:

• Architect and manage production Kubernetes clusters and cloud-native backbones across both AWS and Azure environments.

• Implement robust IaC and GitOps-driven CI/CD pipelines to ensure secure, automated, and observable software delivery for AI agent workers.

• Lead security and compliance initiatives, including SOC2 and identity federation, to meet the rigorous demands of enterprise manufacturing clients.

The ideal candidate:

• Proven track record of building and operating production-scale infrastructure using Terraform, Pulumi, and container orchestration in fast-paced startup environments.

• Deep mastery of Azure or AWS, with the versatility to manage multi-cloud deployments and complex networking requirements.

• Strong engineering mindset with the ability to translate loosely defined problems into production-ready architectures in days or weeks, not months.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI Career Agent that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit our website.
Step 2. Click 'Talk to Jack'.
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.