Engineering Manager, Resilience & Chaos Testing

Affirm; Denver (CO); Hybrid; USD 204,000 - 264,000; Full time

Benefits offered by this job

Health benefits

Equity

Flexible work schedule

Job summary

Affirm is seeking a seasoned Engineering Manager to lead our Resilience Engineering team in Denver, ensuring the safety and reliability of production systems through production load testing and chaos engineering.

You will mentor engineers, define resilience strategy, and build platforms for safe production experimentation, partnering with infrastructure, product, and security leadership to embed resilience into the software lifecycle.

Qualifications

• Proven experience leading engineering teams in reliability, infrastructure, or distributed systems.
• Hands-on experience with production load testing, chaos engineering, or large-scale system validation.
• Experience with chaos engineering vendors such as Gremlin or Harness.
• Strong understanding of failure modes in distributed systems, including latency, partial failure, and cascading outages.
• Experience building or operating systems with strong safety guarantees (isolation, rate limiting, guardrails, auditability).
• Familiarity with cloud-native environments (AWS, Kubernetes) and observability tooling.
• Strong programming background (Python/Java/Kotlin or similar).
• Excellent problem-solving and leadership skills with cross-team influence.

Responsibilities

• Define and drive the resilience engineering vision for Affirm, focusing on production load testing and chaos engineering.
• Lead and mentor a team building platforms and tooling for safe production experimentation.
• Partner with infrastructure, product, and security leadership to embed resilience validation into the software development lifecycle.
• Own design and evolution of platforms enabling safe production load testing and fault injection.
• Ensure safeguards are in place (isolation boundaries, approval workflows, automated rollback) to protect users.
• Develop end-to-end observability, traceability, and auditability for resilience experiments.
• Drive reliability improvements by identifying weaknesses through load testing and chaos experiments.

Skills

Leadership

Production load testing

Chaos engineering

AWS

Kubernetes

Python

Java

Kotlin

Team mentoring

Education

Bachelor’s degree or equivalent practical experience

Tools

Gremlin

Harness

Job description

Affirm is seeking a seasoned Engineering Manager to lead our Resilience Engineering team in Denver, ensuring the safety and reliability of production systems through production load testing and chaos engineering.

You will mentor engineers, define resilience strategy, and build platforms for safe production experimentation, partnering with infrastructure, product, and security leadership to embed resilience into the software lifecycle.