In-Demand Security platform engineer Jobs in Sydney, Nsw

Security Platform Engineer - Secrets Management
Optus —Sydney NSW
- Computer science
- Management
- Computer Science
- Parental leave
- Employee discount
9d
Security Engineer, Incident Response, SIRT
Amazon Support Services Pty Ltd —Sydney NSW
- Full-time
- Computer Science
- Engineering
- AWS
Information Security Engineer
Infotrack —Sydney NSW
- $99,290.97 - $155,178.06 a year
- Full-time
- AWS
- In-person
- Communication skills
- Employee assistance program
- Gym membership
Quick Apply
Security Engineer (AU East) - Remote
Employment Hero —Sydney NSW
- Full-time
- Remote
- AI
- Parental leave
Quick Apply
Security Engineer - Okta
The Missing Link —Sydney NSW
- Full-time
- Hybrid work
- Management
Quick Apply
Security Engineer (SaaS)
CreditorWatch —Sydney NSW
- Full-time
- Hybrid work
- AWS
- APIs
- AI
- Gym membership
Quick Apply
Security & Compliance Engineer
Scape Australia —Sydney NSW
- Full-time
- Computer science
- No degree
12d
Senior Security Engineer
Nearmap —Barangaroo NSW
- Full-time
- Hybrid work
- AWS
- Scripting
- AI
- Annual leave
- Parental leave
Quick Apply
Cyber Security Engineer
Goodwill Care Pty Ltd —Panania NSW
- $95,000 - $110,000 a year
- Full-time
- Azure
- Analysis skills
- Bachelor's degree
Quick Apply
9d
Cloud Security Engineer
DNX Solutions —Barangaroo NSW
- $100,000 - $110,000 a year
- Full-time
- Hybrid work
- Computer science
- Azure
- Computer Science
- Parental leave
- Professional development assistance
Quick Apply
11d
Senior Corporate Security Engineer
Airwallex —Sydney NSW
- $150,000 - $220,000 a year
- Full-time
- Computer Science
- Salesforce
- Bachelor's degree
Security Engineer - Sydney
Qube Research & Technologies —Sydney NSW
- Weekend availability
- Research
- Scripting
- Communication skills
Quick Apply
Cyber Security Engineer
AI Talent —Barangaroo NSW
- $70,000 - $120,000 a year
- 8 hour shift
- Hybrid work
- Azure
- Management
- AWS
- Work from home
Quick Apply
8d
Senior/Staff Platform Engineer
UpGuard —Sydney NSW
- $1,500 a month
- Full-time
- Remote
- AI
- Annual leave
- Parental leave
Security Engineer
Snapchat —Sydney NSW
- Full-time
- Computer Science
- Engineering
- AWS
- Health insurance
- Parental leave
Azure Integration Engineer
HCLTech - Australia and New Zealand —Sydney NSW
- From $130,000 a year
- Full-time
- Hybrid work
- Azure
- Management
- DevOps
- Parental leave
Quick Apply
Principle Platform Engineer
NTT DATA —Sydney NSW
- Full-time
- Hybrid work
- Azure
- Management
- DevOps
Application Security Engineer
LEAP Legal Software —Sydney NSW
- Full-time
- Hybrid work
- Bachelor's degree
- APIs
- Time management
- Gym membership
- Free food
Quick Apply
Security Engineer, Detection
Google —Sydney NSW
- Full-time
- Bachelor's degree
- No degree
10d
Senior Cyber Security Engineer
Deloitte —Sydney NSW
- Hybrid work
- Azure
- AWS
- APIs
- Parental leave

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Security Platform Engineer - Secrets Management

Optus -
Sydney NSW

Apply Now

Job Details

9 days ago

Benefits

Parental leave
Employee discount

Qualifications

CI/CD
Authentication
Computer science
Management
Computer Science
DevOps
Engineering
Administrative experience
APIs
Security
Identity & access management

Full Job Description

Date: 17 Jul 2026

Location: Sydney, Australia

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Company: Singtel Group

Optus is an Australian telecommunications company, delivering more than 11 million services to our customers every day across mobile, broadband and digital solutions.

The Security Platform Engineer - Secrets Management is responsible for operating and enhancing Optus' enterprise secrets management and tokenisation platform. The role focuses on reducing security risk by eliminating hardcoded credentials, enabling secure access to secrets through automated platforms, and providing tokenisation capabilities to protect sensitive data across applications.

As part of the Workforce Identity and Access Management (IAM) team, the engineer works closely with Cloud and Application Security teams to integrate security capabilities into developer tools and CI/CD pipelines. The role is ideal for someone passionate about security automation, platform engineering, and simplifying secure development practices at enterprise scale.

WHAT YOU’LL DO

Secrets Management Platform Engineering and Operations

Build, manage, and optimise the enterprise secrets management platform, ensuring secure, reliable, and scalable service delivery.
Implement dynamic secrets, enforce controls to prevent hardcoded credentials, and drive secure credential management across applications and pipelines.
Support application onboarding, lead migration of high-risk repositories, and measure platform adoption and security outcomes.

Tokenisation Platform Engineering

Build, operate, and maintain tokenisation capabilities that securely protect sensitive data while ensuring high performance and reliability.
Deliver reusable APIs, libraries, and integration patterns that make tokenisation easy to adopt, while supporting application teams through onboarding and implementation.

Developer Enablement and Engineering Community Adoption

Develop engineering standards, documentation, and self-service tools to drive adoption of secrets management and tokenisation across engineering teams.
Partner with security and engineering teams to embed platform capabilities into developer workflows, provide SME support, and track adoption

Platform Automation and Reliability Engineering

Develop and maintain automation, infrastructure-as-code, monitoring, and disaster recovery capabilities to ensure a secure, scalable, and resilient platform.
Automate secrets lifecycle management, compliance reporting, and platform observability to improve governance, reduce risk, and provide visibility into security outcomes.

WHAT MAKES YOU PERFECT FOR THE ROLE?

Relevant technical background with a degree in Computer Science, Engineering, Information Security, or equivalent experience, plus 3+ years in platform, DevOps, or security engineering.
Secrets management expertise, including vault administration, dynamic secrets, credential rotation, authentication methods, and policy management.
DevSecOps and CI/CD experience, integrating security controls, secrets scanning, and automated credential protection into development pipelines.
Automation and Infrastructure-as-Code skills, using Python, Bash, and IaC tools to streamline platform operations, compliance, and provisioning.
Application and security integration knowledge, covering API authentication, credential management, tokenisation, and secure secrets consumption patterns.
Strong stakeholder and developer enablement skills, with a collaborative, automation-first mindset and the ability to drive adoption of secure engineering practices across teams.

WHAT’S IN IT FOR YOU?

Competitive remuneration and employee discounts. Make life easier (and more affordable) with $80 monthly credit and 25% off Optus products and unique shopping discounts with our retail partners.
Flexible working arrangements with opportunities to work three days in the office, two days remote or home.
Competitive leave policies, including additional 'Connected’ days to focus on culture, family, health, community, or whatever’s important to you.
We support growing families with inclusive, carer-neutral paid Parental Leave of up to 16 weeks.
Build meaningful connections through employee-led networks and diversity initiatives including Culture Connect, Elevate Women, Disability Network and Express Yourself (LGBTQIA+).
Put your wellbeing first with free access to counselling and support services, 24/7 — in-person, by phone, SMS, or video.

At Optus, we are strengthened by others and that means valuing diversity and saying ‘yes’ to embracing individual differences. We are committed to ensuring that our application process provides an equal employment opportunity to all job seekers, including individuals from diverse gender, cultural and linguistic backgrounds, individuals with a disability, individuals identifying as being part of the LGBTQIA+ community, individuals who may have served in the armed forces or who identify as Aboriginal and/or Torres Strait Islander. We also want to do our best to make our recruitment process inclusive. If you require any adjustments or accessibility support to participate fairly and equitably in the recruitment process, please email [email protected] or call 1800 309 170. We're here to help. When you contact us, please advise your preferred method of contact and we will be in touch within 48 hours.

For more information on Diversity, Inclusion & Belonging at Optus, please visit https://www.optus.com.au/about/inclusion-diversity

Apply Now

Refine Your Search

security platform engineer jobs in sydney, nsw

Security Platform Engineer - Secrets Management

Security Engineer, Incident Response, SIRT

Information Security Engineer

Security Engineer (AU East) - Remote

Security Engineer - Okta

Security Engineer (SaaS)

Security & Compliance Engineer

Senior Security Engineer

Cyber Security Engineer

Cloud Security Engineer

Senior Corporate Security Engineer

Security Engineer - Sydney

Cyber Security Engineer

Senior/Staff Platform Engineer

Security Engineer

Azure Integration Engineer

Principle Platform Engineer

Application Security Engineer

Security Engineer, Detection

Senior Cyber Security Engineer

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