Senior Infrastructure Engineer

Job Overview

Mudflap serves the $800B trucking industry, the backbone of the U.S. economy. Our market-leading payment products help truckers save thousands of dollars on fuel (their #1 business expense), while providing our fuel stop partners with access to new, hard-to-reach customers. We’re a fast-growing marketplace business looking for a new customer-obsessed teammate to join us on this exciting journey.

As a Senior Infrastructure Engineer, you will design, build, and operate the cloud infrastructure that powers our AWS-hosted SaaS platform. You’ll own the reliability, scalability, security, and efficiency of our environments—enabling rapid, safe delivery of new features while maintaining the high level of trust our customers expect.

Key Responsibilities

• Own and operate Mudflap’s AWS + Cloudflare infrastructure, ensuring reliability, security, and cost efficiency while supporting scalable, predictable deployments.


• Manage and evolve our Infrastructure-as-Code and CI/CD systems (Terraform, ECS, CircleCI) to improve automation, environment consistency, and developer velocity.


• Maintain and enhance observability through Prometheus, Grafana, and CloudWatch, delivering actionable dashboards, alerts, and SLO/SLA metrics.


• Lead operational readiness and incident response, including capacity planning, system maintenance, structured RCA, and reliability improvements.


• Drive security and compliance initiatives, including IAM hardening, secrets management, encryption, least-privilege access, and SOC 2 technical controls and documentation.


• Build tools, automation, and documentation that reduce manual work, increase system consistency, and support a scalable DevOps function.

Required Qualifications

• 5+ years of DevOps/SRE experience (2+ years with production AWS), with strong expertise in EC2, ECS, RDS/Aurora, VPC, S3, IAM, and CloudWatch.


• Deep experience with Terraform and IaC, plus strong CI/CD skills (CircleCI preferred) and modern deployment patterns (blue/green, canary, feature flags).


• Strong containerization, automation, and scripting abilities (Docker, ECS, Ruby/Python/Go/Bash).


• Hands-on observability and Linux systems engineering experience, including performance tuning, monitoring, logging, and secure configuration.


• Security and compliance background, ideally in fintech or regulated environments (SOC 2, PCI, ISO 27001), with an understanding of IAM, encryption, secrets mgmt, and secure architecture.


• Proven incident leadership, collaboration skills, and a track record of reducing operational toil through automation.

About Mudflap

Mudflap is on a mission to transform the trucking and logistics industry by leveling the playing field for owner operators and small fleets. Backed by top-tier venture investors, including QED, Matrix Partners, Commerce Ventures, NFX, and 500 Startups and included in the Forbes Fintech 50 list, Mudflap offers fleet fuel management solutions. Our core team hails from Disney, Uber, Procore, DoorDash, Google, Meta, Capital One, Affirm and Brex.

Benefits

We offer competitive salary and equity in a high-growth startup, multiple health benefit options, Responsible Time Off, 401(k) matching, opportunities for career growth, and an Annual Company offsite event (Mudfest!).