▷ (Apply in 3 Minutes) Commercial Manager - Defence

Project programme and commercial management

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, and wider infrastructure that is integral to people’s daily lives. We value excellence in every dimension of our business and continuously seekopportunities 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.

Our Defence and Security Division team within our Australian business are looking for acommercial manager to join our team in a key role supporting major infrastructure programs. This position is responsible for leading the commercial and contractual management of complex projects, ensuring robust processes are in place to manage risk, drive value, and deliver outcomes for our client.

You will work closely with contractors and internal stakeholders to manage contracts, oversee change control, and support the broader engineering team with expert commercial guidance. The role also involves mentoring team members, contributing to forecasting and reporting, and ensuring all post-contract commercial requirements are met.

Ultimately, you will play a vital role in delivering project success while helping to strengthen our commercial capability in the Defence sector.

Key responsibilities:

- Lead commercial and contractual management for major infrastructure programs, including contract administration, claims, and final accounts.
- Implement and maintain commercial processes and procedures to support continuous improvement and compliance.
- Manage contractor relationships and lead commercial progress meetings to ensure service delivery aligns with client expectations.
- Support the engineering team with commercial expertise, embedding best practices and maintaining accurate records for negotiations.
- Oversee project forecasting, change control, subcontract approvals, and pricing of additional scope.
- Provide mentoring and development to team members while contributing to reporting, governance, and commercial capability building.

About You

With around 10-15 years of experience in commercial management, you have primarily supported your organisation’s commercial outcomes and may have started providing consulting advice to clients. You are eager to expand your experience across multiple markets and develop further in areas you may not yet have mastered.

Qualifications & Experience:

- Tertiary qualifications relevant to commercial management, law, engineering, or business.
- Experience in developing delivery-oriented commercial solutions for infrastructure clients.
- Engagement with in-house and outside counsel for legal guidance and contract formation.
- Practical experience administering various standard forms of infrastructure contracts (e.g., DTMRs TIPDS suite, NEC, AS 2124, AS 4000).
- Subcontractor procurement and contract management experience.
- Strong commercial skills and appreciation of relevant procurement and delivery strategies in Defence Proejct.

As a recognised Veteran Employment Supporter and signatory to the Veteran Employment Commitment, we actively encourage applications from current and former Australian Defence Force personnel.

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
- Life, personal accident, and salary continuance insurance
- 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

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