Senior Platform Engineer (Infrastructure)
We're looking for a Senior Platform Engineer to join our growing Platform Engineering team. This role will have a direct impact on our customers, our engineers, and our business by ensuring our applications are highly available, scalable, and performant.
At Fleetio, we foster a culture of 'Product Engineers', where we value and prioritize engineers who enjoy being part of the product discovery process. Our Engineering and Product teams are structured as autonomous PODs that execute within one focal area toward a defined product vision. We strive to deliver easy-to-use software, and our goal as engineers is to quickly and continuously deliver meaningful value to our customers. We've optimized our CI/CD tools and processes to easily get code into our production environments, resulting in an average of 40 deploys per week.
Fleetio is a modern software platform that helps thousands of organizations around the world manage their fleet operations. Transportation technology is a hot market and we’re leading the charge, with raving fans and new customers signing up every day. We raised $450M in Series D in March of 2025 and are on an exciting trajectory as a company. Fleetio is also a proud founding member of the Rails Foundation!
More About Our Team and Company
Watch our culture videos: https://fleet.io/culture
Engineering culture, interview process and videos: https://www.fleetio.com/careers/engineering
Fleetio overview video: https://www.youtube.com/watch?v=IlvIbwZT3oU
Fleetio Go overview video: https://www.fleetio.com/go
More about the Fleetio platform: https://www.fleetio.com/features
API docs: developer.fleetio.com
Test drive Fleetio to get an even better feel for what we're building: https://www.fleetio.com/register
This is a remote opportunity and is open to candidates in the United States.
Who You Are
Our ideal candidate is an Infrastructure Engineer experienced in scaling Ruby on Rails applications, with a passion for optimization and performance improvements. You bring a strong background in Site Reliability and Infrastructure Engineering for Rails applications. You follow Agile and DevOps principles, can effectively influence teams to achieve goals, and demonstrate excellent problem-solving skills in our fast-paced environment.
Your Impact
As a Senior Platform Engineer on Fleetio’s Platform Engineering team, you will:
Manage cloud infrastructure using Infrastructure as Code
Manage and scale a Ruby on Rails stack
Implement monitoring tools to improve observability
Perform code review of new features to ensure they meet performance requirements
Debug production issues across all levels of the stack
Plan for the growth of, optimize, and automate Fleetio’s Infrastructure
Partner with feature engineering teams to help them build, deploy, and operate their features safely and efficiently
Respond to reliability and security incidents, from triage and mitigation through post-incident follow-up
Your Experience
5+ years of AWS Experience
3+ years Kubernetes Experience
Infrastructure as Code tools (Terraform)
Deep understanding of cloud network fundamentals (routing, firewalls, load balancers, CDNs, VPCs, etc.)
Experience with Ruby on Rails or an equivalent web application framework
Expert at profiling and benchmarking source code
Effective at code review, and identifying potential performance problems before they reach production
Experience with Datadog or other APM tools
Excellent written and verbal communication skills
Considered a Plus
Experience with distributed event and data stores, such as Kafka, Redis, Elasticsearch, Memcached, and TimescaleDB
You know a thing or two about the fleet management industry
Experience using AI tools to automate repetitive work and accelerate infrastructure projects