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.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!
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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