Senior Security Cloud Engineer

Westpac Banking Corporation; Sydney; Hybrid; AUD 170,000 - 230,000; Full time

Benefits offered by this job

Flexible work arrangements

Learning and development opportunities

Competitive remuneration

Job summary

Westpac is seeking a Senior Engineer, Security Controls Assessment in Sydney to engineer, automate, and assess security controls for Westpac Group cloud platforms, with a focus on GCP and AWS.

The role builds IaC and PaC guardrails, leads CNAPP adoption with Wiz, and embeds automated controls into engineering pipelines within a regulated tech environment.

Qualifications

• Bachelor's degree in a technical discipline or equivalent experience.
• Strong hands-on experience designing and implementing cloud security controls.
• Experience embedding security scanning in CI/CD pipelines.
• Experience with Wiz/CNAPP and securing Kubernetes environments.

Responsibilities

• Design, build and maintain automated security controls across GCP and AWS, covering IAM, network security, encryption, monitoring and Kubernetes security.
• Develop Infrastructure as Code and Policy as Code using Terraform, OPA/Rego, Sentinel, GCP Organization Policies and AWS SCPs.
• Lead the rollout and adoption of Wiz, integrating cloud security capabilities across identity, security operations, ticketing and engineering environments.
• Embed automated security scanning and policy controls into CI/CD pipelines, including IaC, secrets and container image scanning using GitHub Enterprise, Harness.io and Wiz Code.
• Build continuous controls monitoring and automated evidence collection using Python, supporting CIS Benchmarks, NIST CSF and APRA CPS 234.
• Partner with Cloud Platform and Engineering teams to drive Security by Design and strengthen secure cloud, IaC and Policy as Code standards.

Skills

Cloud security engineering

Terraform

CI/CD security

Python

Kubernetes security

GCP

AWS

Education

Bachelor's degree in CS or related field

Tools

Terraform

GitHub Enterprise

Harness.io

Wiz CNAPP

GKE

EKS

OPA/Rego

GCP Organization Policies

AWS SCPs

Job description

The Security Controls Assessment team sits within the Information Security Group and supports all brands in the Westpac Group. The team provides engineering led assurance that security controls are designed, implemented and operating effectively, with a growing focus on cloud and continuous, code-based control validation.

What’s the Role:

The Senior Engineer, Security Controls Assessment is a hands‑on technical specialist, responsible for engineering, automating and assessing the security controls that protect the Westpac Group's cloud platforms, with a primary focus on Google Cloud Platform (GCP) and Amazon Web Services (AWS).

This role builds Infrastructure as Code (IaC) and Policy as Code (PaC) guardrails, leads the enterprise rollout of Cloud Native Application Protection Platform (CNAPP) capability such as Wiz, and embeds automated controls into engineering pipelines within a complex and regulated technology environment

Key Responsibilities:

• Design, build and maintain automated security controls across GCP and AWS, covering IAM, network security, encryption, monitoring and Kubernetes security.
• Develop Infrastructure as Code and Policy as Code using technologies such as Terraform, OPA/Rego, Sentinel, GCP Organization Policies and AWS SCPs.
• Lead the rollout and adoption of Wiz, integrating cloud security capabilities across identity, security operations, ticketing and engineering environments.
• Embed automated security scanning and policy controls into CI/CD pipelines, including IaC, secrets and container image scanning using GitHub Enterprise, Harness.io and Wiz Code.
• Build continuous controls monitoring and automated evidence collection using Python, supporting security frameworks including CIS Benchmarks, NIST CSF and APRA CPS 234.
• Partner with Cloud Platform and Engineering teams to drive Security by Design, remediate cloud security risks, apply AI-led engineering practices and strengthen secure cloud, IaC and Policy as Code standards.

What do I need?

• Strong cloud security engineering experience across GCP and/or AWS, with GCP highly desirable.
• Hands‑on experience with Infrastructure as Code and Policy as Code, particularly Terraform.
• Strong DevSecOps experience, embedding security controls and scanning into CI/CD pipelines using GitHub Enterprise, Harness.io or similar tooling.
• Experience with cloud security platforms such as Wiz/CNAPP and securing Kubernetes environments including GKE and EKS.
• Strong security automation skills using Python, including continuous controls monitoring and automated security processes.
• Solid understanding of cloud security controls and frameworks such as CIS, NIST and APRA CPS 234, with the ability to engage and influence technical and business stakeholders.

We’re obsessed with becoming our customers' #1 banking partner for life and we’re looking for people who are passionate about helping us achieve that goal. In return, we’re committed to making Westpac the best place to work in the country. Here are just a few of the ways we’re already doing that:

• Special offers on banking products and discounts from top brands, including generous employee only mortgage rates!
• Flexible work arrangements to help you achieve a greater work/life balance, and a variety of leave options including Culture, Lifestyle and Wellbeing leave.
• Tailored learning and development opportunities to help your grow your career within the bank.
• Lots of opportunities to ‘give back’ to the Community by getting involved in our many volunteering initiatives.
  

We’re all about creating a supportive and inclusive community. We welcome everyone no matter your age, gender, background, or abilities. We also provide additional support to welcome our veterans, Indigenous Australians and neurodiverse community.
If you need any adjustments during the recruitment process, you can find out more information and additional contact details by visiting the "People with Disability and/or needing Accessibility Requirements" page on our website .

Job Info

• Job Identification 72724
• Job Category Information & Cyber Security