This is a Security Engineering Senior Engineer role with Telstra based in Melbourne, VIC, AU Telstra Role Seniority - senior More about the Security Engineering Senior Engineer role at Telstra Employment Type Permanent Closing Date 22 May 2026 11:59pm Job Title Security Engineering Senior Engineer 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 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 well-being and choice. Here’s what you can expect from us • Flexible working. Wherever you live, choose where, when, and how you work so you can be at your best. • There when life happens. From Gender Affirmation Leave to Telstra’s Additional Leave Day, we give you time to spend away from work when you need it most. • Pay for performance. We recognize outstanding contributions through our generous incentive programs. • Parental Leave. A gender-equal policy for parents so you can choose how and when you take your leave (16 weeks full pay or 32 weeks half pay). Receive superannuation contributions on paid and unpaid parental leave. • Unlimited learning. Level up your credentials with access to 17,000 learning programs. Learn ‘on the job’ and achieve university credits toward degrees and Master's programs. • Global presence. With a global presence across 22 countries, there are many opportunities to work where we do business. • Extra perks. Receive 25% off Telstra products and services, plus unlock exclusive discounts from over 240 brands and partners. Make a Difference 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. Key Responsibilities This is how you’ll bring the purpose of your role to life. Define and operationalise, in collaboration with key stakeholders, appropriate security controls in network architecture and technologies to protect Telstra and customer information, systems and network assets. Provide input into the security strategy, standards and frameworks to ensure security controls and hygiene are built into network engineering and technology designs and processes. Authentically engage with the business and leverage customer feedback to initiate continuous improvements in security engineering and technology designs that are fit for purpose and meet customer requirements. Contribute to the development of policies, standards and procedures for multiple technologies to build security awareness within the organisation. Foster a culture of continuous improvement and coaching by modelling Telstra and best practice security engineering standards and actively develop less experienced engineers through coaching, mentoring and collaboration. Demonstrate strong written and verbal communication skills in promoting security awareness and / or network or technology issues to Leaders / stakeholders. Translate customer needs and requirements, into realisable and commercially viable secure products, services or systems and/or networks infrastructure and platforms. Deliver outcomes to a high standard by actively collaborating in security engineering or network design, change implementation and support of platform, applications, services and product issues. This includes operation and support of a complex integration layer deployment. Significantly contribute to the design, build, installation, integration and maintenance of multiple complex network technologies, platforms, applications, services, products and/or systems. Ensure that network systems and components interact with Telstra processes and systems to deliver market leading customer experiences. You do this by using your expertise and experience in standardised application interfaces to develop reusable and optimised solutions. Assess capability of vendor solutions and offerings to meet business requirements. You demonstrate strong written and verbal communication skills in making recommendations for vendor solutions. Take an active role in managing vendor performance and technology delivery to ensure that agreed technical functionality, time and cost outcomes are met. Document your work to ensure that business continuity, security and operational activity can seamlessly be supported and maintained by others. Actively engage in enhancing and improving CI/CD capabilities (testing, automation) to reduce cycle time while retaining quality. Ensure solutions are re-usable, scalable, reliable, manageable and operable and align with the Telstra technology strategic directions and meet any specific OKR’s. About you To be successful in the role, you'll bring skills and experience in: Senior-level network engineering expertise with Cisco ACI data centre architecture Design, deployment, automation, and operational support of Cisco ACI fabrics Security integration with Palo Alto and Check Point firewalls Strong experience across Enterprise Data Network (EDN) and Network Services Platform (NSP) environments In-depth knowledge of MPLS, enterprise routing, and large-scale network connectivity Azure hybrid networking design and integration Proven delivery of large-scale enterprise and telco-grade network migrations Subject Matter Expert (SME) for Nexus-to-ACI transformations Hands-on experience in network automation and modern operational practices Extensive experience working in complex, highly regulated Telco environments Strong stakeholder engagement and delivery experience across multi-year transformation programs Additional Skills: .NET Core (API) REST advanced programming logic Agile Algorithms Amazon Elastic Compute Cloud (Amazon EC2) Analytical and problem-solving skills Angular Ansible Tower API Gateway APIGEE Architecture and SDN ASP.NET Core Automated Testing AWS AWS Code Pipeline Azure Azure DevOps CI/CD Bamboo BGP BGP-LS Big Data Bitbucket Bit-bucket Business Case Development and Tools and Methodologies C/C++ Capacity Planning CI/CD framework Coaching Cognito Commercial Acumen Consumption of services Data Factory/Lake Data Infrastructure Data Structure Data - Wireshark/Packet Capture Analysis Design Templates DevOps DNS Docker (Software) DPDK (packet processing) Dynamic Host Configuration Protocol (DHCP) ECS Effective communication and presentation Ethernet ETSI NFV-MANO (frameworks) Event Hub EVPN (Inactive) FD.io/VPP Function App Git-hub and Cloud, IoT & Data Skills Google Cloud Platform (GCP) Hadoop (HDFS) MapReduce HP ALM Identity Access Management (IAM) Influencing Skills Internet Protocol (IP) Internet Protocol Suite IoT Hub IP Routing & Switching IT Lifecycle Management Java Jira JSON Kubernetes Linux Linux Containers (LXC) Mentorship Microservice Micro Services and Optimising Network and Technology Solution performance Microsoft Power Business Intelligence (BI) Model-View-Controller (MVC) MPLS Architecture Multithreading NETCONF/RESTCONF network lifecycle management Network load balancing and Programming Languages, Tools and Frameworks Network security Firewalls network service APIs network service platforms ODL ONOS and NFV OpenFlow OpenStack Open vSwitch/OVSDB Operating Systems LINUX, UNIX, Microsoft etc orchestration OSI Model PCEP Performance Monitoring Perl Programming PMP and Server / Platform / Application Postman (Software) PPM tools pp Service Python (Programming Language) React JS & Native and DevOps & SecOps Red Hat Ansible Redis Requirements Gathering RESTful APIs Scrum SDLC Segment Routing Self-organising networks (SON) Service Bus Service Performance Management Single-Root Input Output Virtualization (SR-IOV) Site Recovery and Designing Network and Technology Solution Soaps (Inactive) Solution decommissioning and IP Networking solution optimisation Splunk (ES) Stakeholder Management Storage and Front-end Strategic Thinking Swagger (Software) Systems Engineering and Transitioning to new networks & solutions TDD Technology Road mapping and Deploying integrated Network and Technology Solution Technology Selection (Inactive) Test Case Development TFS Transition Planning Troubleshooting TypeScript Unit Testing VIRL/CML (simulators) Virtualization Technologies Visual Studio VMware VS Code Web Jobs Working cross culturally and Business Acumen XML YAML YANG If you are passionate to succeed as part of an agile and experienced team, we welcome you to apply! We encourage applications from people of all abilities and backgrounds - including Aboriginal and Torres Strait Islander peoples, the LGBQTI community, linguistically diverse, and people living with disability. When you apply, you can choose to note the pronouns you use and /or any reasonable adjustments needed to take part equitably during the interview process. Visit www.telstra.com.au/careers/diversity-and-inclusion or email us at DisabilityandAccessibility@team.telstra.com noting your preferred method of contact Recruitment Start Date:24/04/2026 Recruitment End Date: 22/05/2026 Before we jump into the responsibilities of the role. No matter what you come in knowing, you’ll be learning new things all the time and the Telstra team will be there to support your growth. Please consider applying even if you don't meet 100% of what’s outlined Key Responsibilities ️ Defining security controls Engaging with stakeholders Documenting work Key Strengths Network engineering expertise Security integration ☁️ Cloud networking .NET Core Agile Python A Final Note: This is a role with Telstra not with Hatch.
