Senior AWS Cloud Platform Engineer - Serverless & EKS

3Core Systems, Inc; Irving (TX); On-site; USD 150,000 - 180,000; Full time

Job summary

3Core Systems, Inc. is seeking a Senior AWS Cloud Infrastructure Engineer to design, provision, and operate AWS infrastructure across multi-account environments in a highly secure and scalable manner.

The role focuses on data, serverless, and container workloads with hands-on EKS/ECS/Fargate, Lambda, and modern CI/CD practices. You will collaborate with business units to translate requirements into reliable AWS environments, manage networking and security, and automate delivery using

Qualifications

• The DASH (Data & Serverless) team is part of CLIENT AWS Platform organization.
• 5-7 years' experience in this capacity.
• We design, provision, and operate the AWS infrastructure that business units use for data, serverless, and container workloads.
• As a customer-facing platform team, we work directly with business units to understand their needs and turn them into reliable AWS environments.

Responsibilities

• Provision and operate the infrastructure for data and serverless services: S3, Glue, Lambda, API Gateway, Step Functions, EventBridge, and DynamoDB.
• Build, upgrade, and maintain EKS clusters and ECS/Fargate environments.
• Automate infrastructure delivery with 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.
• Act as a technical point of contact for business unit customers by guiding requirements, setting clear expectations, and resolving issues quickly.

Skills

API

AWS

CI/CD tools

GitHub

Lambda

EKS

ECS/Fargate

S3

Glue

DynamoDB

CloudFormation

GitHub Actions

Python Bash

VPC IAM

Education

Bachelor's degree in computer science or information technology

Tools

EKS

ECS/Fargate

Lambda

S3

Glue

DynamoDB

CloudFormation

GitHub Actions

Job description

3Core Systems, Inc. is seeking a Senior AWS Cloud Infrastructure Engineer to design, provision, and operate AWS infrastructure across multi-account environments in a highly secure and scalable manner.

The role focuses on data, serverless, and container workloads with hands-on EKS/ECS/Fargate, Lambda, and modern CI/CD practices. You will collaborate with business units to translate requirements into reliable AWS environments, manage networking and security, and automate delivery using