Senior AWS Cloud Infrastructure Engineer

3Core Systems , Inc • Irving, TX

1d • Onsite

About The Position

The Senior AWS Cloud Infrastructure Engineer will design, provision, and operate AWS infrastructure used by business units for data, serverless, and container workloads. The role is part of the DASH (Data & Serverless) team within the CLIENT AWS Platform organization and provides secure, standard foundations for application teams. As a customer-facing platform team member, the engineer works directly with business units to understand requirements and deliver reliable AWS environments.

The position is onsite in Irving, Texas, or Peoria, Illinois, and is a 12-month contract. The role requires a bachelor's degree in computer science or information technology and an AWS Certified Solutions Architect certification.

Requirements

• Bachelor's degree in computer science or information technology.
• AWS Certification; the detailed requirements specify AWS Certified Solutions Architect.
• 5–7 years' experience in this capacity.
• Hands-on experience building and operating AWS infrastructure in a multi-account environment.
• Experience provisioning and supporting EKS, ECS/Fargate, Lambda, S3, and Glue.
• Strong AWS networking and IAM skills, including VPC, ALB/NLB, SCPs, and permission boundaries.
• Infrastructure as code with CloudFormation and CI/CD with GitHub Actions.
• Scripting skills in Python and/or Bash for automation.
• Strong customer focus and communication skills, including explaining technical options to non-AWS teams.

Nice To Haves

• CloudFormation is identified as preferred.

Responsibilities

• Provision and operate infrastructure for S3, Glue, Lambda, API Gateway, Step Functions, EventBridge, and DynamoDB.
• Build, upgrade, and maintain EKS clusters and ECS/Fargate environments.
• Automate infrastructure delivery using reusable CloudFormation templates and GitHub Actions pipelines.
• Design and troubleshoot VPC networking, load balancers, IAM, KMS, and cross-account access.
• Onboard new business unit environments, estimate costs, and provide production infrastructure support.
• Serve as a technical point of contact for business unit customers by guiding requirements, setting expectations, and resolving issues.

What This Job Offers

• Career Level: Senior