Engineering Manager, Resilience & Production Reliability

Affirm, Inc.; Baltimore (MD); Remote; USD 204,000 - 264,000; Full time

Benefits offered by this job

100% subsidized medical coverage

Dental and vision for dependents

Remote-first company

Stock purchase plan (ESPP)

Monthly tech stipends

Job summary

Affim is seeking an Engineering Manager to lead the Resilience Engineering team responsible for production load testing and chaos engineering. You will guide platforms and tooling to allow safe experimentation, embedding resilience validation into the software lifecycle, and partnering with infrastructure, product, and security leaders.

You will mentor engineers, define best practices for testing system limits in production, and drive proactive reliability improvements across distributed

Qualifications

• Experience leading engineering teams in reliability, infrastructure, or distributed systems.
• Hands-on production load testing, chaos engineering, or large-scale system validation.
• Familiarity 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 safety guarantees (isolation, rate limiting, auditability).
• Familiarity with AWS, Kubernetes and observability tooling.
• Strong programming background in Python, Java, or Kotlin.
• Excellent communication and leadership to influence practices across teams.

Responsibilities

• Lead the resilience engineering team and set the vision for production load testing and chaos engineering.
• Own the design and evolution of platforms for safe production experimentation and fault injection.
• Ensure safeguards, isolation boundaries, approval workflows, and automated rollbacks protect users.
• Build end-to-end observability, traceability, and auditability for resilience experiments.
• Drive reliability improvements by identifying weaknesses through load tests and chaos experiments.
• Lead cross-functional efforts to improve fault tolerance and incident response practices.

Skills

Leadership

Distributed systems

Production load testing

Chaos engineering

AWS

Kubernetes

Python

Java

Education

Bachelor’s degree or equivalent

Tools

Gremlin

Harness

Job description

Affim is seeking an Engineering Manager to lead the Resilience Engineering team responsible for production load testing and chaos engineering. You will guide platforms and tooling to allow safe experimentation, embedding resilience validation into the software lifecycle, and partnering with infrastructure, product, and security leaders.

You will mentor engineers, define best practices for testing system limits in production, and drive proactive reliability improvements across distributed