Senior Systems Architect (Contract role)

We are looking for an expert cloud system engineer for one of our global healthcare enterprise customers.

The role “AWS System Architect” is a key role in building and implementing customer infrastructure from a ground-up approach and defining the futuristic roadmap for the next 5 years. This role is as exciting as this engineer would be joining the outstanding group of multiple global AWS cloud architects across the regions.

Responsibilities : AWS Expertise

Define infrastructure strategy and plan, which includes hardware, networking and software (OS, Application, security, monitoring…) on AWS Cloud

Continuous monitoring and optimization of resources on the cloud platform, Infrastructure sizing for the application

Disaster planning – hot switching, cold switching, backup & restore

Implementing system and application audit processes

Writing shell scripts to accomplish sys admin tasks (Templates, Cloud formation,

Setup and maintain Linux, Unix OS based servers, configure hardware and software based firewall

Setup, configure and maintain database (MySQL, Oracle, Mongo DB), Setup, configure and lead web / app servers – Apache, NGINX, IIS.

Performance tune web / app servers. Setup, configure and maintain DB and webserver clustering

Automate network, DB, webserver / app server monitoring & alert configuration. As required, setup and configure SMTP, DNS, SSL, SFTP

Tackle webserver, DB, network issues related to fault, performance, security

Implement or deploy any software libraries or dependencies you may need during the course of your work

Qualifications :

API Development & Integration

Design, develop, and deploy RESTful on AWS using API Gateway.

Integrate APIs with external systems (e.g., Salesforce, Veeva, Marketo) and internal databases (DynamoDB, RDS or equivalent experience).

Ensure APIs are secure, scalable, and optimized for performance.

API Platform Management

Build and maintain the API layer using AWS services like API Gateway and Lambda.

Implement versioning strategies to handle API changes without impacting consumers.

Monitor, fix, and optimize API performance.

Security & Compliance

Implement authentication and authorization (e.g., OAuth 2.0, AWS Cognito, API Gateway with IAM).

Ensure compliance with security standard processes (encryption, audit logs, and rate limiting).

Required Technical Skills

API Development : Node.js (or Python / Java), REST APIs

AWS Services : API Gateway, Lambda, DynamoDB, S3, RDS, CloudWatch

Security : AWS IAM, Cognito, Secrets Manager, OAuth 2.0

Good to have :

CI / CD Tools : AWS CodePipeline, CodeBuild, GitHub Actions (optional)

IaC : CloudFormation, AWS CDK, or Terraform

Educational qualification :

Graduate or postgraduate degree in Computer Science or Engineering, System Admin certification - AWS certified solution architect, LPIC, RHCE, VCP6-DCV, network certification like CCNA, ITIL certified,

Experience :

Experience : 5 – 8 Years

API Development : One should have experience working with API REST services design and development for over 5 years

API Gateway Design : One should have hands-on implementation experience using AWS API Gateway services using Lambda for over 3 years (API Gateway, Lambda, DynamoDB, S3, RDS, CloudWatch)

Programming skills for API development : One should have experience designing API using Python / Node.js / Java for over 4 years

AWS Security : One should have deep implementation experience AWS IAM, Cognito, Secrets Manager, OAuth 2.0