Senior AWS Platform Engineer - Secure Infra & Automation

HCL Technologies Limited; Melbourne; On-site; AUD 150,000 - 230,000; Full time

Job summary

HCL Technologies Limited seeks a Senior Technical Lead to design and build a secure AWS integration layer between the remediation UI and remediation applications, owning platform patterns across dev, SIT, pre-prod and prod.

You will design multi-stack AWS infrastructure, implement Terraform modules, CI/CD with GitHub Actions, and mentor engineers in a regulated environment to ensure production readiness and compliance.

Qualifications

• Senior production-scale Terraform and AWS platform engineering experience.
• Strong EMR, EC2, EKS, IAM, KMS, S3, CloudWatch, Secrets Manager and SSM knowledge.
• Linux/Amazon Linux 2023 administration and robust Bash/Python automation.
• GitHub Actions and controlled infrastructure CI/CD/release governance.
• Security engineering mindset covering secrets, privileged access, encryption and blast-radius analysis.
• Ability to lead design decisions and mentor engineers in a regulated environment.

Responsibilities

• Design and safely evolve multi-stack AWS infrastructure across dev, SIT, pre-production and production.
• Build Terraform stacks/modules, environment overlays and SSM-based cross-stack contracts with controlled dependency sequencing.
• Engineer AWS integration services using EMR, EC2, EKS, IAM, KMS, S3, Route53, CloudWatch, Secrets Manager and SSM as applicable.
• Build and maintain GitHub Actions/shared workflows with gated promotion between environments.
• Automate platform processes using Python and Bash with idempotency, logging, failure handling and cleanup.
• Implement secure TLS, secrets handling, access boundaries, tagging/classification and compliance controls.
• Lead platform troubleshooting and production incident triage across Terraform, AWS runtime, OS/bootstrap and pipeline layers.
• Support EMR service upgrades and security configuration, including external Kerberos/KDC and Ranger/DataGuard patterns where required.

Skills

Terraform

AWS platform engineering

Linux administration

Python automation

Bash automation

CI/CD governance

Security mindset

Mentoring

Tools

Terraform

AWS services (EMR, EC2, EKS, IAM, KMS, S3, CloudWatch, Secrets Manager, SSM)

GitHub Actions

Python

Bash

TLS security

Kerberos/Ranger/LDAP

EC2 Image Builder

Job description

HCL Technologies Limited seeks a Senior Technical Lead to design and build a secure AWS integration layer between the remediation UI and remediation applications, owning platform patterns across dev, SIT, pre-prod and prod.

You will design multi-stack AWS infrastructure, implement Terraform modules, CI/CD with GitHub Actions, and mentor engineers in a regulated environment to ensure production readiness and compliance.