Senior Manager, Change Management - Behavioural Science / Psychology - Global Project in a Global EPCM

Are you passionate about using behavioral science to unlock human potential? Join a world‑leading engineering and consulting group as they transform how more than 50,000 people work, connect, and thrive across a truly global organization.

As Senior Manager, Change Management, you’ll play a pivotal internal role shaping the company’s culture, processes, and ways of working. You’ll lead evidence‑based change strategies that go beyond implementation—changing mindsets and embedding lasting behaviors that enable sustainable growth.

Key responsibilities include:

Designing and executing psychology‑driven change strategies tailored to diverse teams and cultures.

Leading initiatives that reduce resistance, build engagement, and ensure adoption of new systems and processes.

Partnering with senior leaders to align culture, leadership, and capability building with strategic priorities.

Applying behavioral frameworks and diagnostics to create interventions that stick.

Measuring impact and continuously optimizing change efforts to deliver real business value.

What we’re looking for:

Proven success leading complex organizational change programs with a strong behavioral or psychological focus.

Deep understanding of human motivation, behavior, and resistance to change.

Strong grounding in organizational psychology or behavioral science.

Expertise in stakeholder engagement, communications, and capability building.

Change Management certifications (Prosci, ADKAR, Kotter) highly regarded.

This is an opportunity to shape transformation from the inside at one of the world’s most respected engineering groups. Join a collaborative, forward‑thinking team where behavioral science drives lasting impact.

Who are TSS?

TSS is a WA-based recruitment agency established in 2018, specialising in placing professionals in the resources, energy and corporate sector. We've quickly built strong relationships with leading owner-operators, EPCMs, consultancies, and construction firms, contributing to major projects in mining, energy, renewables, and infrastructure worldwide.