Senior Platform Engineer — Kubernetes & Cloud Infra

PortX; Mercer Island (WA); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

Equity opportunities

High impact role

Insurance (medical, dental, vision)

401(k)

Unlimited PTO

Collaborative team culture

Job summary

PortX, a leading AI-powered data and integration company, seeks a Senior Platform Engineer to build and manage a Kubernetes-based hosting platform on AWS. You will own infrastructure, tooling, and platform security, collaborating with development teams to run high-availability services.

You will apply Go, Python, and shell scripting to optimize microservices, drive SOC 2 compliance, and promote best practices in Kubernetes, Docker, and CI/CD workflows.

Qualifications

• Experience operating Kubernetes in production at scale (5+ years).
• Strong programming skills in Python and Go.
• Solid shell scripting and Linux experience.
• Hands-on with IaC tools (Pulumi or Terraform).
• Familiarity with CI/CD—GitHub Actions preferred.

Responsibilities

• Build and manage cloud infrastructure using Pulumi on AWS.
• Engineer platform technologies across multiple languages and tools.
• Support and evolve internal platform tooling and docs.
• Regularly update infrastructure components for security and SOC2 readiness.
• Collaborate across disciplines in a fast-moving environment.

Skills

Kubernetes

Go

Python

Shell scripting

IaC: Pulumi

Terraform

Docker

Helm

GitHub Actions

AWS basics

Observability

CodeGen AI

Tools

Pulumi

Terraform

GitHub Actions

Job description

PortX, a leading AI-powered data and integration company, seeks a Senior Platform Engineer to build and manage a Kubernetes-based hosting platform on AWS. You will own infrastructure, tooling, and platform security, collaborating with development teams to run high-availability services.

You will apply Go, Python, and shell scripting to optimize microservices, drive SOC 2 compliance, and promote best practices in Kubernetes, Docker, and CI/CD workflows.