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DevOps Engineer, Cyber Security

Optus -
Sydney NSW

Apply Now

Job Details

Benefits

Onsite gym
Parental leave
Employee discount

Qualifications

CI/CD
Management
DevOps
Configuration management
Scripting
APIs
Vulnerability management
AI

Full Job Description

DevOps Engineer, Cyber Security

Date: 26 May 2026

Location: Sydney, Australia

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.

Are you an engineer who's passionate about eliminating manual toil and embedding security at scale? At Optus, we're evolving how security is built, deployed, and maintained and we need a Security Platform Engineer - DevSecOps to help lead that shift.

Sitting within our Cyber Security & Risk Operations (CSRO) Platform Engineering team, this role is at the intersection of DevOps engineering and enterprise security. You'll be accountable for replacing manual, click-ops platform management with automated, code-driven delivery pipelines and infrastructure-as-code across our security tool estate.

But this role goes beyond internal tooling. You'll play a key part in shifting security left across Optus engineering, working with development and platform teams to embed security early in the build lifecycle, developing policy-as-code frameworks, reusable security libraries, and pre-approved integration patterns that make it easy for developers to consume security controls within their everyday workflows.

What You’ll Do

Designing and maintaining CI/CD pipelines for automated deployment and configuration of CSRO security platforms
Building infrastructure-as-code to provision and manage security platform infrastructure across on-prem and cloud environments
Leading shift-left security integration, developing policy-as-code frameworks and reusable security libraries for developer consumption
Building API-driven integrations across the CSRO security tool estate to automate data flows, alert routing, and workflow orchestration
Implementing GitOps workflows to ensure all platform changes are tracked, peer-reviewed, and auditable
Build AI-driven security gates into CI/CD pipelines, combining static analysis, dependency scanning, secrets detection, and container scanning with AI models that triage and prioritise findings to accelerate secure software delivery

What You Bring

3+ years in DevOps, platform engineering, or infrastructure automation roles
Hands-on CI/CD pipeline and IaC experience (platform provisioning and configuration management)
Strong scripting skills in Python, Bash, or PowerShell
Experience with API integration development across enterprise platforms
Solid understanding of GitOps, version control, and shift-left security practices
Experience embedding security controls directly into CI/CD pipelines through static analysis, dependency scanning, secrets detection, and container scanning tooling
Foundational security domain knowledge across areas such as identity, network, or vulnerability management, with experience applying security principles in an engineering context

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.
Vibrant and collaborative office campus that includes cafes, convenience store, chill out zones, GP, post office, gym and on-site childcare centre.
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.
Direct your own development and build future-ready skills with Optus U’s industry-focused micro-credentials, developed with La Trobe and Macquarie Universities.
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.
Free Optus bus from Macquarie University Metro Station (every 6-8 minutes); morning and afternoon.

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.

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

Apply Now

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