Defence and Security Market Leader WA

Job Description

Brilliant people trusted to do brilliant things

Mott MacDonald is a vibrant and forward-thinking engineering, management, and development consultancy. Working together as a global team we plan, design, deliver and maintain the transport, energy, water, buildings, defence and wider infrastructure that is integral to people’s daily lives. We value excellence in every dimension of our business and continuously seek opportunities to improve what we do and how we do it.

We employ brilliant people who combine their diverse skills and experiences to achieve brilliant things. Whether you want to specialise or broaden your experience, you'll be supported by global specialists eager to share their expertise. With numerous opportunities to learn and grow, the possibilities are as diverse as our people. Working as a connected global team, we deliver impactful projects that shape the future.

Mott MacDonald's Defence team is proud to be a trusted partner for some of the most complex and critical defence and security equipment and infrastructure programmes worldwide, giving our clients what they need to be operationally ready and effective.

Due to growth in our business and a pipeline of exciting projects, we are currently seeking a Defence and Security Market Leader for our Victoria office.

Your Opportunity

In this senior leadership role, you will drive strategic direction, market influence and operational performance for the Defence & Security business. You will:

• Lead a large and diverse team, guiding and coaching a varied senior leadership cohort.
• Set a compelling vision, communicate expectations consistently and motivate teams to deliver results.
• Identify and develop emerging leaders, strengthening capability and building strong succession pipelines.
• Foster a high‑performance culture centred on accountability, collaboration and excellence
• Translate national corporate strategy into clear, actionable initiatives for Defence & Security, with measurable outcomes.
• Provide strategic insights and influence at a national leadership level to shape business priorities.
• Build and maintain strong networks across the Defence & Security market, including industry bodies, government, major clients, contractors and partners.
• Drive growth and profitability for the Defence & Security business in your state, with direct accountability for revenue and margin performance.
• Oversee operational delivery, ensuring excellence, efficiency and strong client satisfaction.

About You

You are a strategic, people‑centred leader who brings commercial acumen, strong market presence and a passion for delivering outstanding outcomes. You will bring:

• Tertiary qualifications in Engineering or related field
• Proven leadership experience in Defence & Security or a closely aligned sector.
• Strong ability to translate strategy into practical action, with a track record of delivering measurable results.
• Deep understanding of the Defence market landscape, trends, challenges and opportunities.
• Demonstrated capability in building trusted relationships with clients, stakeholders, partners and industry bodies.
• Experience leading large, diverse teams with an emphasis on coaching, development and uplifting capability.
• A collaborative leadership style that builds high‑performance, accountable and engaged teams.
• Strong commercial and operational skills, including business planning, financial oversight and performance management.
• A proactive, solutions‑focused mindset with the ability to navigate complexity and drive positive change.

Employee ownership

• Our employee ownership model means no external investors, just us, creating a culture of shared success.
• Our employees have a stake and a voice in our business, giving them a direct connection to our success through our personal and group performance bonuses.
• As your career grows, so does your stake, recognising your long-term impact and contribution.
• Your voice matters, with the opportunity to connect directly with senior leadership through formal channels to help shape our future.

Culture & Benefits

Mott MacDonald celebrates diversity and inclusion, offering a supportive work environment that values work-life balance, diversity, inclusion, and equity. We welcome diverse applicants, including First Nations People, people with disabilities, members of the LGBTQIA+ community, and people of all genders, neurodiversity, cultural backgrounds, age groups, and those with intersectional identities.

Our benefits package is designed to enhance your experience:

• Agile working environment, supporting our people to work flexibly
• Discretionary Group and Personal Performance Bonuses for eligible employees
• Employee resource groups including the Inclusive Network for Women, Corporate Social Responsibility and more
• Annual Health Checks and ongoing professional development

You’ve got this!

We endorse a diverse and inclusive workplace, and look to provide suitable opportunities for employees including the opportunity for part time and job shared roles where possible. If you are interested in this role and looking for a part time permanent opportunity, please apply! #LI-RZ1