Senior Software Engineer - Security Engineering

Senior Software Engineer – Security Engineering & Automation Build scalable software solutions that help protect one of Australia's largest technology environmentsDevelop APIs, automation and cloud-native services solving complex security challengesWork with modern engineering practices and emerging technologies across Group Security As a Senior Software Engineer, you'll help design, build and support solutions that address real security challenges across the bank. You'll work closely with engineers, product owners and security specialists to deliver high-quality software, drive continuous improvement and help solve problems at scale. This is an opportunity to work on meaningful engineering challenges while contributing to the security and resilience of one of Australia's largest technology environments. See yourself in our team Group Security is part of Technology and brings together security and resilience capabilities spanning cyber security, protective security, business resilience, fraud technology and operations, and cyber defence. The team exists to secure the bank, protect customers and build resilient solutions that help safeguard a brighter future for all. You'll join a growing engineering capability focused on solving recurring and emerging security challenges through automation, APIs and modern engineering practices. The team supports a range of security engineering initiatives across the group, building solutions that improve operational efficiency, strengthen security outcomes and help address complex problems in scalable and repeatable ways. Working alongside software engineers, architects, product owners and security specialists, you'll contribute to the development of modern engineering solutions while continuously expanding your technical knowledge and capability. Do work that matters: Software Engineering & Delivery Design, build and support scalable APIs, automation services and software solutionsDevelop solutions that address complex security and operational challenges across the organisationContribute to the full software development lifecycle, from design and development through to testing, deployment and production supportDeliver high-quality, maintainable code using modern engineering practices Engineering Excellence Champion engineering best practices across testing, CI/CD, observability and operational supportContribute to improving reliability, performance and maintainability across engineering solutionsParticipate in code reviews and support continuous improvement initiativesHelp identify and resolve recurring technical issues Collaboration & Problem Solving Work closely with engineers, product owners and security teams to deliver impactful solutionsInvestigate complex technical challenges and contribute innovative approaches to solving themSupport engineering discussions around architecture, design and delivery decisionsCollaborate across squads to share knowledge and improve outcomes Continuous Learning & Innovation Stay current with emerging technologies, engineering trends and modern development practicesExplore opportunities to apply automation and AI-driven tools to improve engineering outcomesContribute ideas that improve processes, tooling and operational efficiencyDemonstrate adaptability and a willingness to learn new technologies when required. We're Interested In Hearing From People Who Have Strong full-stack software engineering experience with deep backend engineering expertiseExperience building and supporting software across the full development lifecycle, from design and development through to testing, deployment and production supportExperience designing and building APIs, automation solutions or distributed systemsSolid programming experience in Python or similar modern programming languagesExperience working in cloud environments such as AWS or AzureStrong understanding of modern software engineering practices including CI/CD, testing and deployment automationExperience working in Agile teams and contributing to end-to-end deliveryStrong problem-solving capability and a passion for continuous improvementLearning agility and curiosity, with the ability to quickly adapt to new technologies and unfamiliar challenges Experience in cyber security, security engineering, incident response or related environments will be highly regarded but is not essential. Technical Skills Software Engineering Strong software engineering experience across frontend and backend systemsPython development and backend engineeringAPI design, development and integrationObject-oriented programming and modern software design principlesFull software development lifecycle ownership Cloud & Platform Engineering AWS and/or AzureCI/CD pipelines and deployment automationInfrastructure as CodeCloud-native services and distributed systems Engineering Practices Automated testing and quality engineeringMonitoring, observability and operational supportSecure software development practicesSystem design and architecture What We Value Strong engineering fundamentals and technical curiosityOwnership and accountability for outcomesA collaborative mindset and willingness to support othersContinuous learning and adaptabilityInnovation and problem-solvingBuilding reliable, scalable and maintainable solutions Working with us Whether you're passionate about customer service, driven by data, or called by creativity, a career at CommBank is for you. We support our people with the flexibility to thrive both at work and at home, fostering a culture where diversity, inclusion and wellbeing are prioritised. Together, we're committed to building a workplace where everyone can achieve their potential. Apply today! If you're already part of the Commonwealth Bank Group (including Bankwest, x15ventures), you'll need to apply through Sidekick to submit a valid application. We’re keen to support you with the next step in your career. We're aware of some accessibility issues on this site, particularly for screen reader users. We want to make finding your dream job as easy as possible, so if you require additional support please contact HR Direct on 1800 989 696. Advertising End Date: 06/09/2026