On-Call Security DevOps Engineer (AWS)

Overview

We are looking for an experienced Security DevOps Engineer to support and secure a production-grade AWS infrastructure (financial/crypto app). 

This is an on-call role focused on maintaining system integrity, responding to security incidents, and continuously improving the security of cloud-native services.

With availability over the weekends

Responsibilities
* Respond to security incidents, alerts, and infrastructure failures
* Perform root cause analysis and implement corrective actions
* Coordinate incident resolution across engineering teams
* Cloud security management (AWS)
* Design, implement, and maintain secure AWS environments
* Manage IAM policies, roles, and access control models (least privilege)

AWS Stack:
ECS (Fargate/EC2), ECR (image lifecycle, scanning), RDS (PostgreSQL),
CloudWatch, CloudTrail, GuardDuty, Security Hub