(1113671) Senior DevOps Engineer - AWS & Kubernetes

Diversified Services Network, Inc.•Irving, TX

3h•$125,000 - $130,000•Hybrid

About The Position

Diversified Services Network, Inc. (DSN) is hiring a full-time Senior DevOps Engineer to join its team in either Chicago, Illinois, or Irving, Texas, under a hybrid work model. The engineer will lead the organization’s containerization strategy, build enterprise-grade automation workflows using GitHub Actions, and manage the Infrastructure as Code lifecycle to support high availability, performance, and cost efficiency. The role works closely with a team of six and focuses on CI/CD automation, Kubernetes cluster management, cloud infrastructure, and DevSecOps practices.

Requirements

At least 5 years of professional experience in dedicated DevOps, Site Reliability Engineering (SRE), or cloud infrastructure roles.
At least 3 years of substantial practical experience writing, testing, and modularizing complex GitHub Actions workflows.
At least 5 years of hands-on, architecture-focused experience across major AWS services.
At least 3 years of deep technical experience running production-grade workloads on Amazon EKS, including advanced troubleshooting.
Expert proficiency with Terraform.
Proficiency in at least one scripting language: Python or Bash.
No degree required.

Nice To Haves

Certified Kubernetes Administrator (CKA), CKAD, or AWS Certified DevOps Engineer Professional certification.
Experience managing scaling policies for enterprise-scale GitHub Actions self-hosted runners on Kubernetes, such as with Actions Runner Controller (ARC).

Responsibilities

Design, build, and optimize matrixed, self-hosted, or cloud-hosted GitHub Actions workflows for continuous integration and automated testing.
Build and maintain version-controlled custom GitHub Actions and reusable workflow templates for standardizing pipelines across engineering teams.
Manage secure environment variables, contexts, and deployment keys using GitHub Secrets and Environments, with integrations such as AWS Secrets Manager or HashiCorp Vault.
Implement OpenID Connect (OIDC) so GitHub Actions runners can authenticate with AWS IAM without long-lived credentials.
Design, deploy, and maintain production AWS EKS and Kubernetes multi-cluster environments.
Perform zero-downtime cluster upgrades, patch releases, routine maintenance, and node recycling.
Configure and tune cluster autoscaling with tools such as Karpenter or Cluster Autoscaler, as well as horizontal and vertical pod autoscaling.
Build, maintain, and version-control internal Helm charts.
Provision and manage cloud resources using Terraform or AWS CDK to maintain consistent environments.
Administer AWS services including EC2, VPC, IAM, S3, Route53, and RDS.
Write Python and Bash automation scripts to reduce manual interventions.
Implement and maintain GitOps deployment frameworks using tools such as ArgoCD or Flux to synchronize EKS state with source repositories.
Oversee Docker container builds, multi-stage layering, and registry vulnerability management through AWS ECR, with builds triggered via GitHub Actions runner hooks.
Manage container networking interfaces such as VPC CNI and ingress routing controllers such as ALB, NGINX, or Traefik.
Enforce security guardrails using AWS IAM Roles for Service Accounts (IRSA) to provide fine-grained pod permissions.