Team Category: Management Team

Ryan Condron

As Sterling’s Director of Maintenance & Construction Ryan oversees all the business and operational aspects of our Maintenance and Construction teams Australia Wide, while also continuing to work as a Senior Project Manager for our more complex or high value projects. Prior to this role, Ryan had previously been the Managing Director of Sterling from […]

Randolf Roberts-Roxas

Randolf is the Project Manager for the Universal Access and Data Solutions division. In this role his responsibilities include conducting and leading disability accessibility audits throughout Victoria, NSW and South Australia. In parallel with his studies, he joined Sterling in 2015 as a Project Coordinator and worked in the Projects Services division, where he worked […]

James Turner

James is an experienced Project Manager who joined the Universal Access department of Sterling in June 2020. Since joining Sterling James has worked across a wide variety of projects, including design reviews of tram stop upgrade proposals, accessibility audits of train stations and wharves, and managing the architectural and engineering design process for train station […]

Sarah Spresser

Sarah joined Sterling Infrastructure as a Project Manager in September 2020. Her current responsibilities include the project management and delivery of the Callemondah Crew Change Platforms Project and Culvert Renewal Packages A & B for Aurizon. Throughout her career, Sarah has gained valuable experience and knowledge, developing her skills as a Project Manager across various […]

Jackson Lems

Jackson joined Sterling Infrastructure in 2016 as an Undergraduate Engineer in the Rockhampton, Queensland office. In his six years at Sterling, Jackson has been an integral part of the Rockhampton team and has worked his way up through the ranks where he currently performs his current role as Project Engineer, responsible for the project management […]

Allan Tegawa

Allan joined Sterling in 2016 and quickly established himself in the Engineering and Asset Management division as a Skilled Inspector, Engineer and Project Manager. His current responsibilities for building the Sterling brand in Western Australia include creating and managing budget and growth strategies, developing client relationships and building a portfolio of works in the region. […]

Amir Tila

Amir joined Sterling in May 2020 as a Project manager/Draftsperson. His current role includes providing leadership of Sterling’s Independent Compliance Review business and operations management across the Engineering and Asset Management division. Amir has more than fifteen years’ experience in project management, operational management and engineering. He is skilled in liaising with key internal and […]

Raph Woon

Raph joined Sterling in July of 2021 as a Principal Bridge Engineer and Technical Director of Sterling. With a +30-year career spanning the design, construction and maintenance of bridges and heavy civil structures, he is responsible for providing technical mentorship and guidance to the Sterling Design and Inspection teams and stimulating the intellectual curiosity of […]

Mehdi Lima

As the Design Manager, Mehdi brings to Sterling a high level of technical capability in bridge design/assessment. He has managed and led numerous new design bridges and culverts (rail and road) including the design of the composite deck, concrete battle deck, steel trough deck, box/pipe culverts, and crash protection beams in addition to the underground […]

Chris Parkinson

Chris is the Director of Sterling’s Engineering and Asset Management division which undertakes field inspections, load rating assessments and design of transport infrastructure assets, such as bridges and culverts. Chris provides strategic leadership to the division and technical leadership on key client engagements such as the multi-year, network-wide inspections program for ARTC. Chris has been […]