"Senior Platform Engineer - Backend, Cloud & DevSecOps" Jobs in Australia

Build and secure the platform that turns AI and geospatial intelligence into products customers can use. Lex & Winkle has partnered with an AI-native geospatial intelligence company transforming satellite imagery, aer

Senior Security Engineer (Platform Security Focus)

CMC Markets · Sydney

If you care about protecting the services people use to trade and invest, this work has a clear purpose. At CMC Markets, you'll join a global leader in CFD trading and share investing. You'll help deliver the ultimate tr

Design, lead and secure mission-critical platforms for multiple clients across both Government & Private sectors. Mentor other engineers. Sydney CBD. Hybrid work (50% in the Sydney CBD office), autonomy and flexibility S

Who We Are Healthcare needs a better rhythm: one that keeps care continuous and deeply human. Heidi is building an AI Care Partner that works alongside clinicians to make that possible. We’re a team of doctors

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century

Senior Security Engineer, Platform Engineering

Firmus Technologies · Sydney

Firmus Technologies Firmus Technologies is a global leader pioneering the development and operation of efficient AI infrastructure across Asia Pacific. Founded in Australia in 2019, our mission is to create the most effi

Date: 24 Aug 2026 Location: Melbourne, Australia Company: Singtel Group Optus is an Australian telecommunications company, delivering more than 11 million services to our customers every day across mobile, broadband

Firmus Technologies Firmus Technologies is a global leader pioneering the development and operation of efficient AI infrastructure across Asia Pacific. Founded in Australia in 2019, our mission is to create the most ef

What you’ll be doing As a Senior DevSecOps Engineer, you'll embed security automation into our infrastructure and CICD pipelines to secure our build and run. As a technical SME, you will play a hands-on role in shifting

What you’ll be doing As a Senior DevSecOps Engineer, you'll embed security automation into our infrastructure and CICD pipelines to secure our build and run. As a technical SME, you will play a hands-on role in shifting

Senior Security Platform Engineer - DevSecOps

Singtel Group · Sydney

Optus is an Australian telecommunications company, delivering more than 11 million services to our customers every day across mobile, broadband and digital solutions. We are seeking a Senior Security Platform Engineer –

Senior Platform Engineer / Senior DevOps Engineer / Senior Infrastructure Engineer / Senior Site Reliability Engineer

Anduril Industries · Sydney

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century

Senior Platform Engineer - DevSecOps

Rosterfy · Melbourne

Job description Job requirements 7+ years in DevOps, platform, or SRE roles supporting production SaaS, with security a recurring theme in your work (not necessarily a security job title). Proficient with AWS (e.g. EKS,