Security Engineering Senior Engineer (Security Features)

Employment Type Permanent Closing Date 29 July 2026 11:59pm Job Title Security Engineering Senior Engineer (Security Features) Job Summary As a Security Engineering – Senior Engineer, you are an expert in the Information, Engineering and Cyber Security domains, applying your extensive knowledge in security technologies, cloud and corporate networks to shape the security controls required within solution designs (both people, process and technical) and identify, communicate and help treat corresponding security risks.

Through your strong knowledge of existing and emerging technology, you are able deliver a superior security and network experience for our consumers. You do this by drawing on your deep levels of cyber security and engineering knowledge and experience to provide specialist analysis, design, development and deployment in Network and IT specific technology domains.

You play a pivotal role in shaping our technology strategy and protecting Telstra’s assets, acting as a trusted adviser to our people, teams, cyber, engineering and DevOps leaders to build our cyber capability. Job Description Who We Are We're an iconic Aussie brand with a global footprint.

Our purpose is to build a connected future so everyone can thrive. We're all about providing the best experience and delivering the best tech on the best network. This includes making Telstra the place you want to work. For you, that means a having career that grows with you and working with a team powered by human connection that prioritises wellbeing and choice.

What We Offer Performance-related pay Access to thousands of learning programs so you can level-up Global presence across 22 countries; opportunities to work where we do business. Purchased annual leave scheme Additional Telstra day off Additional 30% off Telstra products and services Toolkit provided (laptop + mobile phone + plan paid for) What You’ll Do · Engage key business and technology stakeholders to protect their applications using cutting edge cloud and AI-based platforms. · Lead the design, engineering, and technical support of Telstra’s security platforms for protecting web applications. · Assist and guide application owners with technology integration and troubleshooting. · Conduct architecture reviews, configuration, and implementation of security solutions. · Evaluate security products and contribute to technology roadmaps and standards. · Drive operational readiness and lifecycle management of application security platforms. · Provide engineering consulting and contribute to incident response planning with Cyber Security teams. · Act as the subject matter expert and technical lead for application security within the team.

About You You are a seasoned security or application engineer with: · 5–10 years extensive experience in successfully deploying Application Security (Akamai, Radware, Cloudflare, F5, AWS, Azure, Imperva) and configuring security policies for protecting different web and other applications. · DevOps experience, preferably with a strong DevSecOps background. · Strong background in Web Application Firewall (WAF), web application support, and troubleshooting. · Are able to apply up-to-date security best practices to multiple applications and technologies. · Container Security & Orchestration: Container Security & Orchestration: Deep knowledge of Docker and Kubernetes (specifically how to deploy container apps, sidecars, or daemonsets safely). · CI/CD & IaC: Advanced with Git, Terraform, and pipeline tools (GitHub Actions, GitLab CI) to treat security configurations as code. · Experience interacting with vendor APIs, handling OAuth/API tokens, and writing event-driven code (e.g., AWS Lambda or Azure Functions). · Robust Scripting/Programming: Strong proficiency in Python or Go to interact with APIs and handle JSON/YAML parsing. · Intermediate to advanced development experience in Java and Node.js · Intermediate to advanced understanding of network routing and switching protocols (IP, TCP, UDP, etc.). · Proven ability to work independently and manage stakeholder relationships. · Experience collaborating in large enterprise environments and cross-functional teams. · A mindset geared towards innovation, simplification, and continuous improvement. · Excellent communication and leadership skills, with the ability to guide and mentor others. · Nice to have: Proficiency in Python. · Nice to have: Proficiency with Terraform. · Nice to have: Experience using GitLab CI, GitHub Actions, or ArgoCD.

Preferred Qualifications: · Bachelor’s degree in Engineering or IT. · Certifications such as Cisco CCNP/CCIE, Juniper JNCIS/JNCIE, CISSP. We're amongst the top 2% of companies globally in the CDP Global Climate Change Index 2023, being awarded an 'A' rating.

If you want to work for a company that cares about sustainability, we want to hear from you. As part of your application with Telstra, you may receive communications from us on +61 440 135 548 (for job applications in Australia) and +1 (623) 400-7726 (for job applications in the Philippines and India).

When you join our team, you become part of a welcoming and inclusive community where everyone is respected, valued and celebrated. We actively seek individuals from various backgrounds, ethnicities, genders and disabilities because we know that diversity not only strengthens our team but also enriches our work.

We have zero tolerance for harassment of any kind, and we prioritise creating a workplace culture where everyone is safe and can thrive. As part of the hiring process, all identified candidates will undergo a background check, and the results will play a role in the final decision regarding your application.

We work flexibly at Telstra. Talk to us about what flexibility means to you. When you apply, you can share your pronouns and / or any reasonable adjustments needed to take part equitably during the recruitment process. We are aware of current limitations with our website accessibility and are working towards improving this.

Should you experience any issues accessing information or the application form, and require this in an alternate format, please contact our Talent Acquisition team on DisabilityandAccessibility@team.telstra.com or via the additional contact options found at www.telstra.com.au/careers/diversity-equity-and-inclusion/disability-employment