Senior Domain Expert

The Senior Domain Expert will design and deliver Telstra's commercial solutions within Global Networks & Technology - Commercial Engineering. This role involves collaborating with stakeholders to define software and system requirements, aligning software functionality with hardware capabilities, and ensuring seamless sensor integration. Responsibilities include designing, developing, testing, and deploying secure mobile and web applications for internal and external clients, maintaining optimal performance, and implementing CI/CD pipelines. The expert will also uplift existing tools for compliance, provide technical guidance for IoT device communication, and continuously enhance application performance, scalability, and security.

Must Have

• Collaborate with key stakeholders to define, document, and refine software and system requirements
• Work closely with the Sensors engineering team to align software functionality with hardware capabilities and ensure seamless sensor integration
• Design, develop, test, and deploy secure and user-friendly mobile and web applications supporting both internal operations and external clients
• Support and maintain deployed applications, ensuring optimal performance, reliability, and usability
• Implement CI/CD pipelines and automated testing frameworks to streamline delivery and improve software quality
• Review and uplift existing tools and systems to maintain compliance with Essential 8, Privacy, and Telstra’s security standards
• Provide technical guidance, troubleshooting, and post-deployment support for IoT device communication, authentication, and data processing
• Continuously enhance application performance, scalability, and security through proactive analysis and process improvement
• Test and deploy software solutions (Internal and web client facing) with appropriate security and functionality
• Provide support to end users of the developed toolsets to ensure fit for purpose functionality and efficient operation
• Developing cross-platform mobile applications using .NET MAUI for Android and iOS
• Integrating mobile apps with authentication protocols (OIDC, Caiman) and enabling secure cloud interactions via REST APIs
• Interfacing with external devices through Bluetooth and NFC, with the ability to customize communication protocols for specific IoT device requirements
• Working with Cumulocity IoT platform to model, streamline, and process data, leveraging Analytics Builder for event generation and insights
• Designing and deploying Event Processing Language (EPL) applications to monitor and respond to IoT device states
• Implementing CI/CD pipelines, managing app analytics and distribution through MDM platforms for .NET MAUI applications
• Establishing secure development environments and pipelines that address vulnerabilities via tools like Coverity and Veracode
• Developing and optimizing remote communication protocols to facilitate robust data exchange between mobile applications and IoT devices

Good to Have

• Microsoft Certified: .NET Developer Associate
• Microsoft Certified: Azure IoT Developer Specialty

Perks & Benefits

• Performance-related pay
• Access to thousands of learning programs
• 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)

Employment Type

Permanent

Closing Date

24 Nov 2025 11:59pm

Job Summary

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

Global Networks & Technology - Commercial Engineering designs and delivers Telstra's commercial solutions, ensuring they meet the needs of its customers and partners.

Responsibilities of the Role

• Collaborate with key stakeholders to define, document, and refine software and system requirements
• Work closely with the Sensors engineering team to align software functionality with hardware capabilities and ensure seamless sensor integration.
• Design, develop, test, and deploy secure and user-friendly mobile and web applications supporting both internal operations and external clients.
• Support and maintain deployed applications, ensuring optimal performance, reliability, and usability.
• Implement CI/CD pipelines and automated testing frameworks to streamline delivery and improve software quality.
• Review and uplift existing tools and systems to maintain compliance with Essential 8, Privacy, and Telstra’s security standards.
• Provide technical guidance, troubleshooting, and post-deployment support for IoT device communication, authentication, and data processing.
• Continuously enhance application performance, scalability, and security through proactive analysis and process improvement.
• Test and deploy software solutions (Internal and web client facing) with appropriate security and functionality
• Provide support to end users of the developed toolsets to ensure fit for purpose functionality and efficient operation

About you

You will have skills and experiences in these areas:

• Developing cross-platform mobile applications using .NET MAUI for Android and iOS.
• Integrating mobile apps with authentication protocols (OIDC, Caiman) and enabling secure cloud interactions via REST APIs. Interfacing with external devices through Bluetooth and NFC, with the ability to customize communication protocols for specific IoT device requirements.
• Working with Cumulocity IoT platform to model, streamline, and process data, leveraging Analytics Builder for event generation and insights.
• Designing and deploying Event Processing Language (EPL) applications to monitor and respond to IoT device states.
• Implementing CI/CD pipelines, managing app analytics and distribution through MDM platforms for .NET MAUI applications.
• Establishing secure development environments and pipelines that address vulnerabilities via tools like Coverity and Veracode.
• Developing and optimizing remote communication protocols to facilitate robust data exchange between mobile applications and IoT devices.

Favourable certifications:

• Microsoft Certified: .NET Developer Associate
• Microsoft Certified: Azure IoT Developer Specialty