Senior AWS Engineer - Infrastructure Lead

Delaware, Wilmington

10/28/2025

Contract

Active

Job Description:

Job Summary

We are seeking a hands-on Senior AWS Engineer / Infrastructure Lead to drive the design, implementation, and support of AWS infrastructure for a modernization program.

This role requires end-to-end ownership of the infrastructure stream, including sprint planning, team leadership, deployment oversight, and production support.

The ideal candidate will have deep expertise in AWS services, infrastructure automation, CI/CD, and multi-region resiliency, with recent experience in the FinTech or Banking domain.

Key Responsibilities

• Lead the infrastructure stream: define sprint scope, create infra stories, prioritize backlog, and ensure timely delivery.
• Provide technical leadership to onsite and offshore teams on AWS architecture, deployment, and troubleshooting.
• Design and implement serverless, event-driven AWS architectures using Lambda (Python/Java), ECS Fargate, Step Functions, and EventBridge.
• Translate legacy Mainframe Assembler logic and Mastercard IPM messages into Python/Java-based workflows on AWS.
• Implement multi-region active/passive architecture using S3 Cross-Region Replication, Aurora Global Databases, and EventBridge Global Endpoints.
• Manage infrastructure provisioning using Terraform-based EAC (Environment as Code) automation framework.
• Build and maintain CI/CD pipelines using Spinnaker or Jenkins for Lambda and ECS workloads.
• Enforce TrueCD testing practices including contract, integration, and regression testing.
• Implement observability and monitoring using CloudWatch, Datadog, X-Ray, and Splunk.
• Ensure security best practices across IAM, KMS, Secrets Manager, and VPC/network design.
• Participate in Agile ceremonies, refine infrastructure user stories, and mentor junior engineers.
• Document architecture, deployment runbooks, disaster recovery procedures, and operational playbooks.
• (Preferred) Contribute to Airflow DAG development for Visa and Mastercard processing workflows.

• 10+ years of cloud engineering experience, with 3+ years in AWS.
• Strong hands-on experience with AWS services: Lambda, ECS Fargate, Step Functions, EventBridge, S3, MWAA, Aurora PostgreSQL Serverless.
• Expertise in Terraform (EAC wrapper) for multi-region infrastructure provisioning.
• Experience implementing HA/DR and replication strategies (Aurora Global DB, S3 CRR).
• Proven CI/CD automation experience with Jenkins, Spinnaker, or similar tools.
• Familiarity with TrueCD test strategies and contract testing frameworks.
• Strong coding skills in Python or Java for data parsing and workflow development.
• Deep understanding of AWS security practices including IAM, KMS, and network isolation.
• Excellent analytical, troubleshooting, and documentation skills.
• Minimum 5 years of onsite experience in Tier 1 environments.
• Recent experience in FinTech or Banking domain.

• Experience with Apache Airflow or MWAA for orchestration.
• Exposure to Mainframe modernization or Mastercard IPM/Visa VTF.
• Experience working in Agile/Scrum teams with enterprise-scale stakeholders.