Provides high-speed broadband network services across Australia.
7 days ago
Expert & Leadership (13+ years), Experienced (8-12 years)
Full Time
Sydney, New South Wales, Australia | Melbourne, Victoria, Australia
Hybrid
Company Size
4,000 Employees
Service Specialisms
Sector Specialisms
The Senior Optimisation Architect leads the mathematical optimisation capability that drives nbn’s long‑term network investment strategy. This role develops and maintains advanced optimisation models, analytics solutions, and Python‑based pipelines to support fibre rollout planning, investment prioritisation, and capital efficiency. It also shapes strategic planning tools, leads cost‑optimisation initiatives, delivers industry and economic insights, and oversees business case development for major programmes. Additionally, the architect mentors team members and influences cross‑functional decision‑making.
The ideal candidate holds an advanced quantitative degree and deep expertise in mathematical optimisation, with hands‑on experience deploying complex models in real‑world environments. Proficiency in Python, leading optimisation libraries and solvers, and the ability to work with large datasets to solve commercial and operational challenges are essential. Strong financial modelling, business case development experience, and a track record of delivering strategic insights—preferably within telco or infrastructure—are required. Mastery of analytics tools such as Alteryx, Tableau, Power BI and Auto Insights, together with excellent communication and stakeholder influence skills, is also expected.
To be eligible, you must have valid working rights in Australia. This is a permanent, full‑time role within the team that designs, builds, and operates the nbn™ network, one of Australia’s largest technology infrastructure projects. The network supports education, business, healthcare, innovation and more, shaping the country’s digital future.
At nbn, you can build your career while contributing to Australia’s future, with equal employment, great training, and flexible working arrangements. We have an exciting opportunity for a Senior Optimisation Architect, Strategic Network Investments, reporting to the Executive Manager, Strategic Planning.
nbn is committed to an inclusive, flexible, and supportive workplace where diverse perspectives drive greater outcomes. We have a Reconciliation Action Plan, Accessibility & Inclusion Plan, 18 weeks of paid parental leave, and are a Pride in Diversity Gold Employer for three years, with active employee‑led diversity pillars. We are recognised as a WORK180 Endorsed Employer for Women and champion equal opportunities for all employees.
At nbn you will work with inspirational leaders, tackle engaging challenges, and continuously broaden your skills. Apply now by submitting your resume via the provided link.