Senior AWS Cloud Platform Engineer (Onsite)

3Core Systems, Inc; Irving (TX); On-site; USD 140,000 - 180,000; Full time

Job summary

3Core Systems, Inc. is seeking a Senior AWS Cloud Infrastructure Engineer to join the on-site team in Irving, TX (with some flexibility for Peoria, IL).

This 12-month contract role requires designing and operating AWS infrastructure across multi-account environments, leveraging EKS/ECS-Fargate, Lambda, S3, and DynamoDB, with IaC via CloudFormation and CI/CD using GitHub Actions. The ideal candidate has 7+ years building AWS infrastructure, holds an AWS certification, and possesses a Bachelor's

Qualifications

• Bachelor's degree in computer science or information technology required.
• 5+ years designing and operating AWS infrastructure across multiple accounts.
• Experience with EKS/ECS/Fargate and container workloads in production.
• Strong background in serverless services (Lambda, API Gateway, Step Functions, EventBridge, S3, Glue, DynamoDB).
• Infrastructure as code and CI/CD automation using GitHub Actions.

Responsibilities

• Provision and operate data/serverless infrastructure: S3, Glue, Lambda, API Gateway, Step Functions, EventBridge, DynamoDB.
• Build and maintain EKS clusters and ECS/Fargate environments.
• Automate infrastructure delivery with 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 support.

Skills

AWS infrastructure design

EKS & ECS/Fargate

Lambda & API Gateway

CloudFormation

VPC & IAM

Education

Bachelor's degree in Computer Science or IT

Tools

CloudFormation

Job description

3Core Systems, Inc. is seeking a Senior AWS Cloud Infrastructure Engineer to join the on-site team in Irving, TX (with some flexibility for Peoria, IL).

This 12-month contract role requires designing and operating AWS infrastructure across multi-account environments, leveraging EKS/ECS-Fargate, Lambda, S3, and DynamoDB, with IaC via CloudFormation and CI/CD using GitHub Actions. The ideal candidate has 7+ years building AWS infrastructure, holds an AWS certification, and possesses a Bachelor's