Toggle navigation
Practitioner-led from day one
Different expertise.
One shared standard.
The leadership team
Experience across
the whole project system.
The three directors bring distinct skills and perspectives. They share a direct, practical way of working and a belief that strong outcomes come from honest thinking held together by trust.
Select a profile to read each director’s background and role within Infradigm.
How we lead
“The best infrastructure thinking connects technical rigour with the people, decisions and relationships that move a project forward.”
Infradigm is building a consultancy where experienced people can challenge assumptions, work across boundaries and stay accountable to the long-term outcome.
Bring us into the conversation
Let’s discuss your project
and how we can help
Discuss your project
Leadership profile
Sal Haider
Systems Engineering and Project Delivery
Systems thinking that holds design, delivery and operations together.
Sal is a Chartered Professional Engineer with more than 23 years of hands-on experience delivering complex infrastructure projects. His work spans across design and construction, engineering leadership, operational readiness and project delivery phases, as well as commercial support and procurement.
He has worked across the full delivery lifecycle, helping teams connect technical decisions with constructability, stakeholder needs and long-term operational outcomes. His experience gives him a clear view of where project interfaces can create risk, delay or lost value.
At Infradigm, Sal leads Project delivery and Commercial support. He brings the firm’s wider systems view into practical action, helping clients find the decisions and interventions that can create the greatest movement across a project.
- Engineering leadership
- Major project delivery
- Operational readiness
- Design and construction
Employee profile
Jonathan Luey
Director – Systems Engineering and Safety Assurance
Assurance that solves problems, and the relationships to land them.
Jonathan is a highly collaborative systems thinker and engineering leader with more than 20 years of experience.
He has provided hands-on leadership for systems engineering and safety assurance on some of Australia’s largest infrastructure programs - Sydney Metro City, Sydney Metro West, Western-Sydney Airport Terminal, Parramatta Light Rail and the Coffs Harbour Bypass - with significant experience on both the client side and in delivery.
Jonathan works from big-picture vision through to resolving technical issues in detail, and everything in between. He keeps learning in a fast-changing technology environment, and makes sure an engagement with Infradigm achieves outcomes, not just delivers outputs.
“His relationship building and optimistic attitude, combined with pragmatic execution, creates an environment where complex challenges transform into achievable solutions.”
Roland Macedo, Project Manager
- Systems Engineering
- Safety Assurance
- Engineering Management
- Systems Integration
Leadership profile
Steve Naumovski
Director – Business and Project Consulting Services
Commercial and business judgment grounded in real project delivery.
Steve is an infrastructure and business leader with more than 30 years’ experience spanning engineering management, project consulting, rail operations and board advisory roles. He has built and led professional services teams and provided leadership across major infrastructure projects in rail, roads, motorways, power and ICT. Having held Director and Managing Director roles within Australian professional services consultancies, Steve combines strong project leadership with commercial strategy, governance and industry development.
His expertise covers the full infrastructure project lifecycle, from business requirements, feasibility and business case development through to design, procurement, contract and construction management, operational readiness and commissioning. He has extensive multidisciplinary experience across civil and structural engineering, communications and control systems, HV/LV power, signalling, systems and utilities, as well as complex tunnel construction including cut-and-cover, roadheader and TBM methodologies. Steve also provides specialist advice on project development and delivery strategies for complex greenfield and brownfield road and rail projects, with a particular focus on governance, constructability, construction management, operational readiness, and asset operation and maintenance.
Steve is also a strong contributor to the development of Australia’s rail industry through his executive leadership of the Permanent Way Institution (PWI), a member-led not-for-profit railway engineering institution. He played a key role in developing and delivering the PWI Nationalisation Plan, supporting the establishment of new sections in Western Australia and Victoria. Following 12 years on the PWI NSW Executive Committee, Steve was recognised with Life Membership in 2024, an honour reserved for those that have made a significant contribution to the PWI and its community.
At Infradigm, Steve leads the business and project consulting services, helping clients navigate complex delivery models, governance and commercial decisions. His approach is practical and outcomes-focused, with an emphasis on accountability, informed decision-making and delivering long-term value and success to infrastructure projects.
- Business consulting
- Project governance
- Commercial strategy
- Industry leadership