DevOps Engineer 3

Job Title : DevOps Engineer 3
Location: Chicago, IL 60661/ Irving, TX 75039
Duration: 12 Months

Position s Contributions to Work Group:
- In this role, you will lead our containerization strategy, build enterprise-grade automation workflows utilizing GitHub Actions, and manage our Infrastructure as Code (IaC) lifecycle to ensure high availability, optimal performance, and cost efficiency.

Reason/motivation for request:
- Backfill

Typical task breakdown:
CI/CD & GitHub Actions Automation
" Workflow Architecture: Design, build, and optimize matrixed, self-hosted, or cloud-hosted GitHub Actionsworkflows for continuous integration and automated testing.
" Reusable Infrastructure: Build and maintain version-controlled custom GitHub Actions and reusable workflow templates to standardize pipelines across multiple engineering teams.
" Secret Management: Manage secure environment variables, contexts, and deployment keys using GitHub Secrets, Environments, and integrations with AWS Secrets Manager or HashiCorp Vault.
" Secure Delivery: Implement OpenID Connect (OIDC) to authenticate GitHub Actions runners natively with AWS IAM, eliminating long-lived credentials.
Kubernetes & Container Orchestration
" Cluster Management: Design, deploy, and maintain multi-cluster production
AWS EKS and Kubernetes environments.
" Upgrades & Maintenance: Execute seamless, zero-downtime cluster upgrades, patch releases, and routine maintenance node recycling.
" Autoscaling & Cost Optimization: Configure and tune cluster autoscaling using tools like Karpenter or Cluster Autoscaler, alongside horizontal/vertical pod autoscaling (HPA/VPA).
" Package Management: Build, maintain, and version control internal Helm charts for streamlined application delivery.
AWS Infrastructure & Automation
" Infrastructure as Code (IaC): Provision and manage 100% of cloud resources using Terraform or AWS CDK to maintain strict environment consistency.
" Cloud Architecture: Administer core AWS services including EC2, VPC, IAM, S3, Route53, and RDS platforms.
" Scripting & Tooling: Write clean, maintainable automation scripts using Python and Bash to eliminate manual interventions.
GitOps & Release Management
" GitOps Adoption: Implement and maintain GitOps-driven deployment frameworks utilizing tools like ArgoCD or Flux to sync EKS state with source repositories.
" Container Registry: Oversee Docker container builds, multi-stage layering, and registry vulnerability management via AWS ECR, triggered natively via GitHub Actions runner hooks.
Networking, Security, & DevSecOps
" Cloud Networking: Manage sophisticated container networking interfaces (VPC CNI) and advanced ingress routing controllers (ALB, NGINX, or Traefik).
" Access Control: Enforce security guardrails utilizing AWS IAM Roles for Service Accounts (IRSA) to grant fine-grained pod permissions.

Interaction with team:
- Team consists of 6 folks

Education & Experience Required:
- Degree is not required but 5+ years

Required Technical Skills
(Required)
" DevOps Experience: 5+ years of professional experience in dedicated DevOps, Site Reliability Engineering (SRE), or cloud infrastructure roles.
" CI/CD Expertise: 3+ years of heavy practical experience writing, testing, and modularizing complex GitHub Actions workflows.
" AWS Core: 5+ years of hands-on expertise architecture-focused workflows across major AWS services.
" Kubernetes Core: 3+ years of deep technical experience specifically running production-grade workloads on Amazon EKS, including advanced troubleshooting.
" Automation: Expert proficiency with Terraform and at least one scripting language (Python or Bash).

Preferred Qualifications
" Certifications: Certified Kubernetes Administrator (CKA), CKAD, or AWS Certified

DevOps Engineer Professional.
" Runner Administration: Experience managing scaling policies for enterprise-scale GitHub Actions self-hosted runners on Kubernetes (e.g., using Actions Runner Controller - ARC).