<h2>Employment Type</h2>Permanent<h2>Closing Date</h2>25 Aug 2025 11:59pm<h2>Job Title</h2>Senior Security Engineer - Web Application FirewallJob SummaryAs a Senior Security Engineer focused on Web Application Firewall (WAF) capabilities you will be involved in designing, building, and configuring Telstra’s WAF security platform to protect critical internal and customer-facing web applications. This is a high-impact opportunity to shape a new function within the security engineering group, contributing to Telstra’s broader mission to deliver secure, scalable, and innovative technology solutions.<h2>Job Description</h2><div><div>As an iconic Australian brand with a global footprint our purpose is to build a connected future so everyone can thrive. Were 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. </div><div>What We Offer </div><div><ul><li>Performance-related pay. </li></ul></div><div><ul><li>Access to thousands of learning programs so you can level-up. </li></ul></div><div><ul><li>Global presence across 22 countries; opportunities to work where we do business. </li></ul></div><div><ul><li>Purchased annual leave scheme. </li></ul></div><div><ul><li>Additional Telstra day off. </li></ul></div><div><ul><li>Additional 30% off Telstra products and services. </li></ul></div><div><ul><li>Toolkit provided (laptop + mobile phone + plan paid for). </li></ul></div><div>Make a Difference </div><div>Global Networks &amp; Technology - Security &amp; Operations is responsible for Telstras security and operations, protecting Telstras assets and infrastructure. As a Senior Security Engineer focused on Web Application Firewall (WAF) capabilities you will be involved in designing, building, and configuring Telstra’s WAF security platform to protect critical internal and customer-facing web applications.    </div><div>This is a high-impact opportunity to shape a new function within the security engineering group, contributing to Telstra’s broader mission to deliver secure, scalable, and innovative technology solutions. </div><div>Key Responsibilities </div><div><ul><li>Lead the design, engineering, and technical support of Telstra’s WAF platforms. </li></ul></div><div><ul><li>Define and configure security controls and policies to protect web applications. </li></ul></div><div><ul><li>Collaborate with stakeholders across Telstra and external vendors to align on technical and business objectives. </li></ul></div><div><ul><li>Develop test applications and assist application owners with troubleshooting. </li></ul></div><div><ul><li>Conduct architecture reviews, configuration, and implementation of WAF solutions. </li></ul></div></div><div><div><ul><li>Evaluate WAF products and contribute to technology roadmaps and standards. </li></ul></div><div><ul><li>Drive operational readiness and lifecycle management of WAF platforms. </li></ul></div><div><ul><li>Provide engineering consulting and contribute to incident response planning with Cyber Security teams. </li></ul></div><div><ul><li>Act as the subject matter expert and technical lead for WAF within the team. </li></ul></div><div> </div><div>About You </div><div>You are a seasoned security engineer with: </div><div><ul><li>5–10 years’ extensive experience in successfully deploying WAF Security (Akamai, Radware, Cloudflare, AWS, Azure, Imperva) and configured security policies for protecting different web and other applications. </li></ul></div><div><ul><li>Strong background in web application development and troubleshooting. Proven experience with HTML, CSS, JavaScript, and various back-end languages like Python, Java, or Ruby. Nice to have skills: SQL or MongoDB, RESTful APIs and JSON. </li></ul></div><div><ul><li>Solid foundation and experience with deploying and configuring network infrastructure (Cisco, Juniper, Palo Alto, F5). </li></ul></div><div><ul><li>Solid understanding of network routing and switching protocols (IP, TCP, UDP, SSL, HTTP, etc.). </li></ul></div><div><ul><li>Proven ability to work independently and manage stakeholder relationships. </li></ul></div><div><ul><li>Experience collaborating in large enterprise environments and cross-functional teams. </li></ul></div><div><ul><li>A mindset geared towards innovation, simplification, and continuous improvement. </li></ul></div><div><ul><li>Excellent communication and leadership skills, with the ability to guide and mentor others. </li></ul></div><div>Preferred Qualifications: </div><div><ul><li>Bachelor’s degree in Engineering or IT. </li></ul></div><div><ul><li>Certifications such as Cisco CCNP/CCIE, Juniper JNCIS/JNCIE, CISSP. </li></ul></div><div>If you are passionate to succeed as part of an agile and experienced team, we welcome you to apply! 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).  </div><div> </div></div><div>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. </div><div>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. </div><div>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 </div><div> </div>