Senior Chromium Engineer — AI-Driven Security Platform

Menlo Security Inc.; Bracknell; On-site; GBP 85,000 - 120,000; Full time

Job summary

Menlo Security is seeking a Senior Software Engineer to join our Chromium team supporting MARS, our internal AI initiative. You will contribute deep C++ expertise across Chromium layers to build secure browser features enabling AI-driven capabilities.

You will collaborate with security and AI engineers, apply networking fundamentals, and help deploy cloud infrastructure using AWS, GCP, Kubernetes, and Terraform. This role blends systems engineering with AI-focused development.

Qualifications

• Strong C++ engineering skills and hands-on Chromium experience desirable.
• Deep knowledge of networking and HTTP security in browser context.
• Bachelor's degree or higher in Computer Science or related field.
• Experience with Chromium layers (content, browser, core, compositor, skia, networking) preferred.
• Familiarity with Python or Rust for tooling is a plus.

Responsibilities

• Design, build, and maintain Chromium-based browser components in C++ across layers.
• Apply networking and HTTP security expertise to harden browser isolation and infrastructure.
• Collaborate with the MARS team to integrate AI agent capabilities and MCP servers.
• Develop supporting tooling and prototypes in Python or Rust.
• Deploy and operate cloud infrastructure (AWS, GCP) and Kubernetes/Terraform for workloads.
• Debug and optimize high-scale, performance-critical systems across browser and supporting infra.
• Work with cross-functional teams to ship capabilities end-to-end.
• Leverage AI-assisted coding tools to accelerate development and reviews.

Skills

Strong C++ engineering skills

Strong networking fundamentals

Bachelor's degree in Computer Science

Chromium layers experience

Python or Rust experience

Education

Bachelor's degree in Computer Science or related field

Job description

Menlo Security is seeking a Senior Software Engineer to join our Chromium team supporting MARS, our internal AI initiative. You will contribute deep C++ expertise across Chromium layers to build secure browser features enabling AI-driven capabilities.

You will collaborate with security and AI engineers, apply networking fundamentals, and help deploy cloud infrastructure using AWS, GCP, Kubernetes, and Terraform. This role blends systems engineering with AI-focused development.