Senior Technical Lead

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

Career Opportunities: Senior Technical Lead (190017)

Requisition ID190017-Posted11/06/2026

Design and build the secure AWS integration layer between the new remediation UI and the underlying remediation applications. Own the platform patterns needed to run, secure, deploy and operate this integration across non-production and production environments.

Key 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.
• Support EMR service upgrades and security configuration, including external Kerberos/KDC and Ranger/DataGuard patterns where required.
• Lead platform troubleshooting and production incident triage across Terraform, AWS runtime, OS/bootstrap and pipeline layers.

Skill Requirements

• 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

Other Requirements

• Kerberos, Ranger, LDAP/SSSD and enterprise identity integration.
• AWS EC2 Image Builder, OS hardening and patch/compliance automation.

Java/Maven troubleshooting awareness

• Secure, supportable integration between the UI and remediation applications.
• Repeatable infrastructure promotion and production readiness with no unmanaged configuration drift.