About Nova Systems At Nova Systems, our purpose is to make a difference.
As a trusted engineering and management consultancy, we partner with Defence, government and industry to solve complex challenges that contribute to Australia's security and future capability.
Through our work on the Guided Weapons and Explosive Ordnance (GWEO) Enterprise , we're helping to support one of Australia's most significant Defence programs, contributing to the development of sovereign capability that will have a lasting national impact.
We value diverse perspectives, encourage collaboration, and believe our best outcomes are achieved when people with different experiences and backgrounds come together to solve complex problems.
About the Role: We are seeking a Cost Modeller to support the delivery of Nova Systems' work within the GWEO Integrated Work Package (IWP) .
Working closely with Defence stakeholders, industry partners and multidisciplinary project teams, you will provide cost estimation and analytical support that informs critical investment, acquisition and sustainment decisions across the GWEO enterprise.
This is an opportunity to contribute to nationally significant Defence capability while working on complex programs that span multiple organisations, technologies and stakeholders.
Your work will help Defence assess affordability, understand risk, evaluate options and make informed decisions that support capability outcomes.
Whether your background is in Defence, engineering, project controls, finance, economics or consulting, you will bring an analytical mindset and a collaborative approach to solving challenging problems.
What You'll Be Involved With: As a Cost Modeller, you will: Develop and maintain cost models, estimates and financial analyses that support Defence capability projects and programs.
Contribute to business cases, procurement activities, investment proposals and strategic decision-making.
Undertake cost forecasting,



affordability assessments, trade-off studies and sensitivity analysis.
Support cost assurance and estimate validation activities.
Analyse project, schedule and financial data to identify trends, risks and opportunities.
Provide clear, evidence-based insights and recommendations to Defence and industry stakeholders.
Collaborate with multidisciplinary project teams to solve complex problems and deliver client outcomes.
Prepare and present reports, briefings and analytical outputs to a variety of audiences.
Apply Defence and industry best practice methodologies to support robust and transparent decision-making.
Support the maturation of cost estimation practices and analytical approaches across the GWEO enterprise.
What We Would Like From You: You enjoy working with complex information and turning data into meaningful insights that support better outcomes.
You are comfortable engaging with stakeholders, building trusted relationships and collaborating within multidisciplinary teams.
Most importantly, you are motivated by the opportunity to contribute to capability programs that have strategic importance for Australia.
We're particularly interested in candidates who have: Experience developing cost estimates, cost models or financial analysis for complex projects or programs.
Experience supporting Defence organisations, specifically CASG in an above the line capacity.
An understanding of Defence acquisition, sustainment or capability development activities.
Strong analytical and problem-solving skills,



with experience working with large or complex datasets.
The ability to communicate technical information clearly and effectively to a range of stakeholders.
Experience building productive relationships and working collaboratively with clients and project teams.
Knowledge of Defence Capability Life Cycle processes and investment governance frameworks.
Experience supporting major acquisition or sustainment programs.
Qualifications in engineering, finance, economics, mathematics, project management, commerce or a related discipline.
Experience using specialised cost modelling, analytics or forecasting tools.
An active NV1 AGSVA security clearance.
Life at Nova – it all adds up!
With people being our point of difference, we deliver on promises, reward good work, champion professional growth and support flexibility, all within a diverse and inclusive culture that recognises moments that matter.
Life at Nova is our collection of employee benefits, designed to meet the many and varied needs of our people.
Just a few of the great advantages you will have access to are: Generous Parental Leave : Primary Carers receive 20 weeks paid leave; Partner Carers receive 4 weeks.
Full superannuation contributions for up to 52 weeks Professional and Personal Development : Up to $5,000 per year of allowance with PD leave included.
Up to $750 per year can be used towards wellbeing such as a gym membership or assets related to wellbeing activities Additional Leave : Ranges from - Reserve, Loyalty, Emergency Services, Purchased (up to 2 weeks), and Community Service Flexibility : We promote a culture that encourages and enables flexible ways of working that support our people Dress For Your Day : We empower our people to determine their outfit for the activities of the day which allows for personal expression that builds trust Reward

📌 Cost Modeller (Sydney)
🏢 Nova Systems
📍 Sydney