(1113671) Senior DevOps Engineer - AWS & Kubernetes

Employment: Full-time Experience: Mid-Senior level Education: Unspecified Senior DevOps Engineer – AWS & Kubernetes Diversified Services Network, Inc. (DSN) is seeking a full-time Senior DevOps Engineer – AWS & Kubernetes to join our team in your choice of our Chicago, IL or Irving, TX locations. We offer a hybrid work model, full benefits, PTO, 401k, and more! If you're looking to grow your career within an extremely reputable, stable Fortune 100 company - let's talk! Position Overview In this role, you will lead the organization's containerization strategy, build enterprise-grade automation workflows utilizing GitHub Actions, and manage the Infrastructure as Code (IaC) lifecycle to ensure high availability, optimal performance, and cost efficiency. You will work closely with a team of six, driving CI/CD automation, Kubernetes cluster management, cloud infrastructure, and DevSecOps practices. Key Responsibilities CI/CD & GitHub Actions Automation Workflow Architecture: Design, build, and optimize matrixed, self-hosted, or cloud-hosted GitHub Actions workflows 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. Requirements Candidate Requirements Experience Required No degree required. 5+ years of professional experience in dedicated DevOps, Site Reliability Engineering (SRE), or cloud infrastructure roles. 3+ years of heavy practical experience writing, testing, and modularizing complex GitHub Actions workflows. 5+ years of hands-on, architecture-focused experience across major AWS services. 3+ years of deep technical experience running production-grade workloads on Amazon EKS, including advanced troubleshooting. 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). Benefits 401(k) Dental insurance Vision Insurance Disability insurance Employee assistance program Health insurance Health savings account Life insurance Paid time off Paid Holidays Please follow the link to our website for a list of job openings in Engineering, IT, Project Management, and more! https://www.dsnworldwide.com Salary expectations: 125,000-130,000 per annual