Senior Infrastructure Designer

Job Description

Help us deliver a better tomorrow

Australia Post is delivering for all Australians. From the vehicles that we drive, to the small businesses that make our communities thrive. We’re delivering for the environment, for our communities, for our customers and for our people. We’re moving forward and we want you to come along for the ride.  

Help us deliver like never before 

We’re hiring for a Senior Infrastructure Designer. Reporting to the Manager, Infrastructure Design and Delivery, you’ll play a pivotal role in shaping Australia Post’s Enterprise Enablement network and infrastructure programs. In this position, you’ll design, implement, maintain and optimise secure, scalable and high‑performance infrastructure solutions across our corporate, retail and logistics environments. This is a unique opportunity to set design standards and best practices, ensuring every solution aligns with enterprise architecture and supports strategic initiatives such as ALM and our cyber security uplift, enabling efficient, future‑ready service delivery nationwide.
 
This is a unique opportunity to shape enterprise-wide infrastructure design standards, deliver secure and scalable solutions, and influence strategic programs that underpin Australia Post’s future technology landscape.

What you’ll deliver with us 

• Design and document Infrastructure solutions for new and existing infrastructure, cloud and security projects.
• Support leadership team to implement and maintain design centre of excellence (CoE)
• Provide technical guidance to Infrastructure engineers to successfully deliver the project outcomes
• Participate and lead Infrastructure changes in the CAB and TRA
• Collaborate with Infrastructure and Cloud Designers, Delivery Leads, and external vendors to validate technical feasibility.
• Develop high-level and low-level designs (HLD/LLD) for On-Prem infrastructure (PaaS, IaaS) and Multi-cloud environments (SaaS)
• Ensure compliance with security policies
• Support estimation workshops and provide input into NIE delivery planning to support business case development.

About You 

You have strong experience in enterprise infrastructure design, working with technologies like Cisco, Palo Alto, Meraki, F5 and Fortinet. Your skills span virtualisation, cloud platforms (Azure, AWS, GCP), and hybrid connectivity models, with a solid understanding of architecture principles and best practices. You’re confident designing resilient, high-availability solutions, building relationships across diverse teams, and working autonomously. A background in modern technology stacks, change management and Agile delivery will set you up for success in this role.

You’ll also bring 

• Building and maintaining strong relationships across diverse stakeholder groups
• Ability to work autonomously with limited direction
• Significant experience in enterprise network design (Cisco, Palo Alto, Meraki, F5, Fortinet
• Strong understanding of MAC binding, VLANs, IP routing, and network segmentation.
• Strong overall business acumen and analytical skills with the ability to quickly grasp business issues and understand business strategy.

How we’ll deliver for you  

At Australia Post, we believe in investing in our people and fostering a supportive and inclusive work environment. Here’s how we’ll deliver for you: 

• Career Development: We offer opportunities for professional growth and development, helping you to build a rewarding career. 
• Work-Life Balance: We understand the importance of work-life balance and offer flexible working arrangements to support your personal and professional needs. 
• Employee Wellbeing: We prioritize the wellbeing of our employees, providing resources and support to ensure a healthy and safe work environment.

We’re delivering together 

At Australia Post, we acknowledge the Traditional Custodians of the land on which we operate, live and gather as employees. 

We believe our business should reflect the diverse communities we operate in and are proud to be an inclusive workplace for people from all walks of life. We encourage applications from people of all ages, genders and backgrounds including Aboriginal and Torres Strait Islander peoples, People with Disability, LGBTQIA+ and Refugees. 

We are one of the largest organisations in Australia to successfully achieve Disability Confident Recruiter status. We are committed to providing an inclusive and barrier-free recruitment process and workplace for those living with a disability and are committed to reviewing and removing bias in our processes to create a gender-equitable recruitment experience and workplace.  If you have any questions about accessibility, please contact our Diversity & Inclusion team on inclusivecareers@auspost.com.au.

See and hear more about what it's like to work in business support with us

See and hear what it's like to be part of our teams in digital tech: