Member of Technical Staff - Platform Foundations

The role

You will build and operate a company-wide foundations platform to provide reliable, scalable developer infrastructure and SRE capabilities. This includes defining golden paths for cloud infrastructure, networking, and access patterns.

What you will do

• Define and maintain golden paths for cloud projects, networking, and access patterns.
• Ship secure defaults and guardrails.
• Build and operate core networking primitives including routing, DNS, load balancing, and connectivity.
• Establish baseline observability and operational hygiene across services and infrastructure.
• Own developer infrastructure such as build systems, CI/CD, caching, and test infrastructure.
• Drive cloud cost visibility and reduction through tooling, guardrails, and optimization.

Required qualifications

• Strong infrastructure or platform engineering background with experience shipping production-grade systems.
• Deep expertise in at least one of: cloud platforms, network engineering, security architecture, or developer tooling.
• Working knowledge across the others.

Benefits

• Salary and equity structured to recognize and retain talent globally.
• Stock options.
• Comprehensive medical, dental, vision, and life.
• Annual wellness allowance.
• Lunch and dinner provided in the office daily.
• 22 weeks paid parental leave for all new birthing and non-birthing parents, including adoptive and surrogate journeys.
• Unlimited paid time off in the U.S.
• 30 days paid time off in the U.K.
• Visa sponsorship support.
• Regular off-sites, happy hours, and team celebrations.

Before you apply

• This position may require access to technology or source code subject to the U.S. Export Administration Regulations.
• Any offer of employment may be conditioned on the Company's ability to provide access to technology or source code in compliance with applicable U.S. export control laws.

About the company

Reflection is a research lab making intelligence open and accessible for everyone to use, customize, and build on. They build open models to help shape the future of AI.