Project and program support services for infrastructure energy and government projects by Tarnia Riggs

Project & Program Support

Providing integrated project and program support across infrastructure, renewable energy, transport, health and government sectors.

Experience includes project coordination, stakeholder interface management, reporting, operational support, communications and multidisciplinary collaboration across planning, delivery and operational phases.

This capability supports teams working within complex and fast-paced environments, helping maintain alignment, communication flow and delivery outcomes across major programs.

Explore project and program support experience across large-scale infrastructure and government initiatives.
View Projects →

BHP | Olympic Dam | Roxby Downs | Corporate Affairs
BHP Olympic Dam Mining Operations South Australia Logo
BHP | Olympic Dam | Roxby Downs | Corporate Affairs $45.7B BHP Olympic Dam – Roxby Downs Strategy​ Corporate Affairs & Engagement Delivered strategic stakeholder engagement and social impact advisory support across 22 concurrent infrastructure, workforce and operational projects within BHP’s Olympic Dam portfolio.
Read More
The Department for Infrastructure and Transport | DIT | Princess Highway Design Initiative (20C321) | Government of South Australia | Australia Federal Government
South Australia Government official logo representing DIT and public sector services
The Department for Infrastructure and Transport | DIT | Princess Highway Design Initiative (20C321) | Government of South Australia | Australia Federal Government $190M Princes Highway Planning & Design – Package 8 Supported stakeholder engagement and project communications for major road infrastructure planning and design works along the Princes Highway corridor.
Read More
Inland Rail | Australian Rail Track Corporation (ARTC) | New South Wales and Victoria State Government
Australian Rail Track Corporation ARTC Inland Rail Logo
Inland Rail | Australian Rail Track Corporation (ARTC) | New South Wales and Victoria State Government $200M ARTC Inland Rail – Tottenham to Albury (T2A)​ ARTC Inland Rail – T2A Provided stakeholder engagement and social impact assessment support for the Tottenham to Albury Inland Rail corridor and associated regional infrastructure works.
Read More
The Department for Infrastructure and Transport | DIT | North South Corridor | T2D | The Government of South Australia
T2D Torrens to Darlington Project South Australia
The Department for Infrastructure and Transport | DIT | North South Corridor | T2D | The Government of South Australia North–South Corridor Reference Design: Delivered communications and engagement Managed Stage 2 of the complex geotechnical, hydrogeological and contamination investigation works associated with Adelaide’s North–South Corridor program.
Read More
Melbourne Airport Rail | RRR | Victoria State Government
Melbourne Airport Rail project Victoria Big Build rail infrastructure
Melbourne Airport Rail | RRR | Victoria State Government $30B Regional Rail Revival Infrastructure Program​ Regional Rail Revival / Melbourne Airport Rail Supported stakeholder engagement and project communications for major rail infrastructure initiatives, improving connectivity and public transport outcomes across Victoria.
Read More
SA Health | Covid-19 Emergency Response Program | Government of South Australia
SA Health logo COVID-19 vaccination program South Australia
SA Health | Covid-19 Emergency Response Program | Government of South Australia $7.2B Public Health Global Pandemic Response​ SA Health – COVID-19 Vaccination Clinics Supported strategic communications and operational coordination for South Australia’s large-scale COVID-19 vaccination rollout and public health response.
Read More
School Infrastructure NSW | DoE | New South Wales Government
NSW Government logo featuring the Waratah emblem
School Infrastructure NSW | DoE | New South Wales Government $8.8B Education Infrastructure Program​ Provided communications and stakeholder engagement support across a major portfolio of school infrastructure projects, coordinating with government, communities and project delivery teams.
Read More
Australian Defence Force | Australian Federal Government
Australian Government Defence logo for Woomera defence infrastructure program
Australian Defence Force | Australian Federal Government $1B+ Woomera Range Complex upgrades program​ Delivered communications and stakeholder coordination support across complex defence and infrastructure-related project environments.
Read More
SA Health | PPP nRAH | Government of South Australia
SA Health logo featuring the South Australian Government crest and SA Health branding.
SA Health | PPP nRAH | Government of South Australia $1.8B Public-Private Partnership (PPP) The New Royal Adelaide Hospital (nRAH)​Provided stakeholder engagement and operational communications support within the delivery environment of Australia’s largest healthcare infrastructure projects.
Read More
Melbourne Water | Victoria State Government
Melbourne Water sewer upgrade construction works in urban environment
Melbourne Water | Victoria State Government $45M Melbourne Water Program of Works​ Melbourne Water – Maribyrnong River Main Sewer Upgrade Delivered stakeholder and community engagement support for critical water infrastructure upgrades and sewer rehabilitation works across metropolitan Melbourne. Melbourne Water – Williamstown Sewer Rehabilitation Supported communications and community engagement activities for essential sewer rehabilitation and infrastructure renewal works within established urban environments.
Read More
Level Crossing Removal Project | LXRA | Victoria State Government
Level Crossing Removal Authority rail infrastructure project Melbourne transport upgrade
Level Crossing Removal Project | LXRA | Victoria State Government $1.6B, PPP Victorian Government, Level Crossing Removal Project, Caulfield to Dandenong (CD9)​ Delivered community engagement and communications support for one of Victoria’s most significant transport infrastructure and rail upgrade programs.
Read More
EnergyCo | New South Wales Government
NSW Government logo featuring the Waratah emblem
EnergyCo | New South Wales Government $1.2B Renewable Energy Zones Program​ Led strategic communications and stakeholder engagement across major renewable energy and infrastructure initiatives supporting NSW’s energy transition and Electricity Infrastructure Roadmap. EnergyCo – Waratah Super Battery Supported strategic communications and stakeholder engagement activities associated with one of Australia’s most significant energy storage infrastructure projects. New England Renewable Energy Zone Delivered communications and stakeholder engagement support for large-scale renewable energy infrastructure initiatives within the New England REZ program. Port to REZ / Newcastle Logistics Precinct Supported communications and engagement activities linked to energy infrastructure, logistics and industrial transition initiatives within NSW’s renewable energy network.
Read More
Broadspectrum (Transfield)
Broadspectrum Australia logo
Broadspectrum (Transfield) – Credit & Change Management Delivered credit management, process improvement and change management support, contributing to the recovery of $1.9 million and strengthening financial controls, workflows and stakeholder accountability.
Read More

Let's Connect

Whether you're seeking strategic communications support, stakeholder engagement expertise, project advisory services, writing, collaboration opportunities or simply want to start a conversation, I'd love to hear from you.
Email Me!