Overview
Skills
Job Details
Title: AWS Engineer / Infrastructure Lead
Location: Wilmington, DE (5 Days Onsite every Week)
Duration: ... months
Additional Job Details:
Role Summary
A hands-on Senior AWS Engineer / Infrastructure Lead to drive the design, implementation, and ongoing support of the AWS platform for this modernization program. The role requires end-to-end ownership of the infrastructure stream   including creation of infra stories for each sprint, defining and prioritizing scope, leading onsite/offshore teams, and providing deployment and production-support oversight. The candidate must have a strong command of AWS services, Terraform/EAC automation, CI/CD, and multi-region resiliency patterns..
 
Key Responsibilities
 
- Lead the Infrastructure stream create and refine infra stories, define sprint scope, prioritize backlog items, and ensure timely delivery.
- Provide technical leadership for onsite and offshore engineers, guiding them on AWS architecture, deployments, and troubleshooting.
- Lead the design and development of serverless, event-driven AWS architectures using Lambda, (Python/JAVA), ECS Fargate Task(Python/Java), Step Functions, and EventBridge.
- Work closely with Mainframe SMEs to understand the business logic and translate legacy Mainframe Assembler logic and Client IPM messages into Python/Java-based workflows running on AWS.
- Implement multi-region active/passive architecture with S3 Cross-Region Replication, Aurora Global Databases (Serverless), and EventBridge Global Endpoints.
- Manage infrastructure provisioning through EAC (Environment as Code), a Terraform-based automation framework, ensuring consistent and compliant deployments.
- Build and maintain CI/CD pipelines (Spinnaker/Jenkins) for Lambda and ECS workloads, including rollback and promotion
- strategies.
- Enforce TrueCD testing practices contract, integration, and regression testing for continuous delivery validation.
- Implement observability and monitoring using CloudWatch, Datadog, X-Ray, and Splunk with dashboards, alerts, and traces.
- Ensure security best practices across IAM, KMS, Secrets Manager, and network/VPC design.
- Participate in Agile ceremonies, create and refine user stories for the infrastructure stream, and mentor junior engineers.
- Document architecture, deployment runbooks, DR procedures, and operational playbooks.
- (Preferred) Contribute to Airflow DAG development for orchestrating * and Client processing workflows.
Required Skills
- 6 10 years of cloud engineering experience with 3+ years in AWS.
- Deep hands-on expertise with AWS services: Lambda (Java/Python) ECS Fargate Task (Java/Python), Step Functions, EventBridge, S3, MWAA, Aurora PostgreSQL Serverless.
- Strong knowledge of Terraform (EAC wrapper) for multi-region infrastructure provisioning.
- Experience implementing HA/DR and replication strategies (Aurora Global DB, S3 CRR).
- Proven experience in CI/CD automation with Jenkins, Spinnaker, or similar tools.
- Familiarity with TrueCD test strategies and contract testing frameworks.
- Strong coding background in Python Or Java for data parsing.
- Deep understanding of security, IAM policies, KMS encryption, and network isolation in AWS, Oauth, SSL Certificate.
- Excellent analytical, troubleshooting, and documentation skills.
Nice to Have
- Experience with Apache Airflow or MWAA for orchestration and scheduling.
- Exposure to Mainframe modernization OR Client IPM/* VTF.
- Experience working in Agile/Scrum teams with enterprise-scale stakeholders.
About Tanisha Systems, Inc.
Tanisha Systems, founded in 2002 in Massachusetts-*, is a leading provider of Custom Application Development and end-to-end IT Services to clients globally. We use a client-centric engagement model that combines local on-site and off-site resources with the cost, global expertise and quality advantages of off-shore operations. We deliver Custom Application Development, Application Modernization, Business Process Outsourcing and Professional IT Services from office locations in * and *.
Tanisha Systems services clients in Government, Banking & Financial Markets, Insurance, Healthcare, Retail & Consumer Goods, Energy & Utilities, Life Sciences, Telecom, Manufacturing and Transportation Industries around the globe. Our engagement model provides a flexible operational environment that empowers our clients with the right levels of control. 
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