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About the Role

As a Staff Platform Engineer, you will own architectural decisions, deliver large-scale infrastructure projects, and shape the technical direction of a platform that processes more real-time transactions than almost any system on earth. The vision is to build, scale, and maintain Index Cloud—a multi-tenant, globally distributed compute platform that serves both our exchange workloads and the workloads of every partner in our ecosystem. This is not incremental improvement; it's building a platform-as-a-product at internet scale.

Responsibilities

Design and deliver multi-tenant Kubernetes infrastructure across bare-metal and public cloud.
Build infrastructure-as-code frameworks that push changes across thousands of servers.
Write standard libraries, SDKs, and platform APIs that every engineering team at Index Exchange depends on.
Solve hard distributed systems problems including real-time bidding with sub-millisecond overhead, multi-datacenter consistency, safe deployment to thousands of servers, and load balancing at scale.
Drive technical direction through RFCs and design reviews.
Set standards for shared platform domains.
Make architectural decisions on tooling, security posture, and system design.
Influence engineering direction across multiple divisions.
Build golden paths, self-service tooling, and platform APIs that let engineering teams ship without friction.
Coach engineers, foster a culture of engineering excellence, and collaborate across Cloud Platform Operations, SRE, Network, Security, and Software Engineering teams.

Requirements

Built and shipped platform infrastructure at scale, not just operated someone else's.
Comfortable with ambiguity.
Care about the developer experience of the platform as much as its architecture.
8+ years in platform engineering, SRE, infrastructure engineering, or DevOps.
Deep experience with Linux internals: kernel tuning, network stack, system observability, security.
Strong Kubernetes expertise: cluster lifecycle, networking, storage, RBAC, multi-cluster—across bare-metal and cloud (EKS, GKE).
Infrastructure-as-code at scale: Terraform, Ansible, GitOps (ArgoCD or similar).
Solid networking fundamentals (L2-L7), load balancing, DNS, service discovery.
A track record of driving technical strategy across teams—not just executing within one.

Skills

Go
Python
Linux internals
Kubernetes
Terraform
Ansible
GitOps
ArgoCD
Networking fundamentals
Load balancing
DNS
Service discovery
Distributed storage systems
Big data infrastructure
Observability stack design
Secrets management
Certificate management
Access control
Hybrid cloud architectures
Bare-metal infrastructure

Location

Toronto
New York
Montreal
Kitchener
London
San Francisco
Global cities

Work Type

Full-time
Global team

Experience Level

Staff-level
8+ years

Benefits

Comprehensive health, dental, and vision plans
Paid time off, health days, and personal obligation days
Flexible work schedules
Competitive retirement matching plans
Equity packages
Generous parental leave
Annual well-being allowance
Fitness discounts
Group wellness activities
Commuter benefits and discounts
Employee assistance program
Mental health first aid program
One day of volunteer time off per year
Donation-matching program
Multiple resources and programming to support continuous learning

About the Company

Index Exchange is a global advertising supply-side platform that reinvents how digital advertising works at scale.
They empower the world’s leading media owners and marketers to thrive in a programmatic, privacy-first ecosystem.
They have over 20 years of experience accelerating the ad technology evolution.
Their proprietary tech is trusted by some of the world’s largest brands and media owners.
Their platform plays a crucial role in keeping the internet open, accessible, and largely free.
They process more than 700 billion real-time auctions every day with ultra-low latency.
Their platform is vertically integrated from servers to networks and runs primarily on their own metal and cloud infrastructure.
They have an engineering-first culture where engineers tackle internet-scale problems across tight-knit, global teams.
They move fast, build thoughtfully, and stay grounded in their core values.

Equal Opportunity

Index Exchange is committed to equal employment opportunities.
They celebrate diversity of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or expression, or veteran status.
Diversity is the human experience.
For those who show grit, passion, and humility—Index will welcome you.
Index Exchange welcomes and encourages individuals with disabilities to apply to work with them.
Index Exchange will make reasonable efforts to ensure accommodation requests are met throughout the recruitment process.