# Staff Infrastructure and Performance Engineer

**Company:** [Nash](https://hotfix.jobs/companies/nash)
**Location:** San Francisco, CA
**Role:** DevOps / SRE
**Experience:** 6+ years
**Skills:** AWS, ECS, Fargate, Postgres, CI/CD, Kubernetes, Multi-Region Architectures, Observability, SLOs, Performance Tuning
**Posted:** 2026-01-06

> Owns performance, reliability, and scalability of core infrastructure using AWS, ECS/Fargate, and Postgres. Leads optimization, multi-region deployments, CI/CD, and observability for low-latency logistics systems. Requires 6+ years high-scale experience.

## Job Description

## Responsibilities
- Own infrastructure performance and reliability across Nash’s production systems, with a focus on low latency, high throughput, and predictable behavior under load.
- Design, build, and optimize AWS-based infrastructure, leveraging managed services with a strong emphasis on ECS/Fargate.
- Lead Postgres performance engineering, including query optimization, indexing strategies, connection management, replication, cluster design, and failover.
- Architect and operate multi-region, highly availability systems with strong resiliency, disaster recovery, and failover guarantees.
- Design and evolve enterprise-grade CI/CD pipelines that support safe, repeatable, and fast deployments across environments and regions.
- Drive observability standards (metrics, logs, tracing, SLOs) and use data to proactively identify and eliminate performance bottlenecks.
- Partner with application engineers to influence system design decisions that impact scalability, latency, and reliability.
- Lead incident response and postmortems, focusing on root cause analysis, systemic fixes, and long-term resilience.
- Set infrastructure and performance best practices and mentor engineers across the organization.

## Requirements
- 6+ years of experience building and operating high-scale, production infrastructure for business-critical systems.
- Deep expertise in AWS, including networking, compute, storage, and managed services.
- Hands-on experience running production workloads on ECS/Fargate at scale.
- Strong background in Postgres, including performance tuning, replication, high availability, and operational excellence.
- Proven experience designing and operating multi-region architectures with strict uptime and reliability requirements.
- Strong understanding of CI/CD for enterprise deployments, including rollout strategies, environment isolation, and rollback safety.
- Experience building low-latency systems where milliseconds matter.
- Excellent debugging and systems-level problem-solving skills.
- Ability to operate autonomously and lead technical initiatives in a fast-paced startup environment.

## Compensation & Benefits
- Competitive compensation and opportunity for equity
- Flexible paid time off
- Health, dental, and vision insurance

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