Senior Platform Engineer — Observability & Kubernetes

CJ; Atlanta (GA); Hybrid; USD 112,000 - 172,000; Full time

Benefits offered by this job

Hybrid work arrangement

Flexible time off

Paid holidays

Team-building events

Employee referral program

Job summary

CJ is seeking a Senior Software Engineer for the EngExp platform, focused on building and operating CJ's production systems across AWS regions. You’ll own the platform's reliability, set standards, and contribute to design decisions that scale with the organization.

You’ll lead incident resolution, mentor teammates, and push for durable improvements in observability, CI/CD, and cloud infrastructure. This hybrid role requires three days in CJ offices.

Qualifications

• 6+ years of experience in software and/or infrastructure engineering.
• Bachelor's degree or equivalent experience.
• Deep, hands-on production experience operating Kubernetes and AWS at scale across multiple accounts and regions.
• Strong AWS networking judgment (VPC, peering, Transit Gateway, subnet/CIDR design).
• Track record as a critical reviewer, spotting subtle infra issues before they ship.
• Experience leading technical work and mentoring engineers; ability to plan around uncertainty.
• Effective communication and the ability to influence design in a product-focused way.

Responsibilities

• Own the reliability and operability of the systems above - focused on what is happening and why
• Establish and enforce platform standards: RBAC, admission webhooks, resource limits, LimitRanges, policy-as-code
• Manage infrastructure-as-code with Terraform across AWS accounts
• Act as a high-quality reviewer of infrastructure changes - Terraform, Kubernetes configs, CI/CD pipelines, observability config
• Turn recurring requests into self-service workflows that are hard to misuse
• Drive resolution of platform incidents with a focus on learning and lasting system improvement
• Evaluate new patterns on tradeoffs, not hype
• Mentor less-senior engineers and raise the team's depth in the components we own

Skills

Kubernetes at scale

AWS networking

Observability expertise

Production engineering

Mentoring engineers

Technical leadership

Effective communication

Education

Bachelor's degree or equivalent experience

Tools

Terraform

ArgoCD

GitLab CI/CD

Nexus

Job description

CJ is seeking a Senior Software Engineer for the EngExp platform, focused on building and operating CJ's production systems across AWS regions. You’ll own the platform's reliability, set standards, and contribute to design decisions that scale with the organization.

You’ll lead incident resolution, mentor teammates, and push for durable improvements in observability, CI/CD, and cloud infrastructure. This hybrid role requires three days in CJ offices.