Member of Technical Staff - Engineering Lead, Platform Foundations

The role

You will lead the Platform Foundations team to build and operate cloud and multi-cloud infrastructure, networking, security, and developer tooling. You will mentor engineers, guide architectural decisions, and manage cloud and infrastructure vendor relationships.

What you will do

• Build, mentor, and grow a high-performing team of infrastructure and platform engineers.
• Provide front-line leadership of engineering efforts to build the foundational platform.
• Make targeted individual contributor contributions to the technical stack.
• Prioritize the team's work and manage projects in a dynamic environment.
• Guide technical and architectural decisions regarding networking, Kubernetes, IAM, CI/CD, and observability.
• Work closely with research and engineering teams.
• Manage cloud and infrastructure vendor relationships and deals.
• Raise the bar for technical judgment, prioritization, communication, and execution.

Required qualifications

• Experience building, mentoring, and growing infrastructure or platform teams while staying technically hands-on.
• Deep infrastructure or platform engineering experience with real ownership of production-grade systems at scale.
• Strong coding ability.
• Deep expertise in at least one of: cloud platforms, network engineering, security architecture, or developer tooling.
• Working knowledge across cloud platforms, network engineering, security architecture, or developer tooling.
• Fluency with Terraform/Pulumi, Kubernetes, CI/CD and build systems (e.g. Bazel), and observability (Prometheus/Grafana/OpenTelemetry).
• Experience managing cloud and infrastructure vendors, including negotiating and operating important deals.
• Ability to guide strategy and drive execution across a multi-cloud, multi-team environment.

Nice to have

• Comfortable growing into leading a team of ~10 quickly if you haven't managed at that scale before.

Benefits

• Salary and equity
• 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
• 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 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.