Sandra Nilsen leads the Design and Engineering team at BESIX Watpac, where she is responsible for delivering high-value solutions across both new opportunities and active projects. Her leadership ensures that design and engineering strategies are aligned with client goals, while also integrating digital technologies to enhance efficiency, precision, and safety across all operations—driving successful project outcomes.

With 30 years of experience in construction and design, Sandra has worked on numerous high-profile projects across a wide range of industries. Today, she plays a pivotal role in delivering major projects nationally across a diverse range of sectors, including Health & Life Sciences, Renewables, Defence, Stadiums & Venues, Industrial, and Property.

A passionate advocate for sustainable practices, Sandra ensures that all design processes are approached holistically, striving for comprehensive solutions that balance innovation with environmental responsibility. Beyond her role at BESIX Watpac, she serves on the National Board for the Council of Tall Buildings (CTBUH) and is Chair for the Brisbane Chapter, and sits on the Property Council of Australia’s Queensland Committee for Cities. 

Sandra is a sought-after speaker and panellist, having been featured at events organised by Engineers Australia, the University of Sydney and Sydney Build.

She is a Fellow of Engineers Australia and holds a Bachelor of Engineering (B.Eng.) 1st class Hons.