Senior Commercial Director - Defence & Security presso ANA United States

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets.

We are more than 36,000 people, in over 70 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world’s most complex challenges and deliver more impact together.

Role description:

Provide strategic leadership for cost and commercial management services across the most complex national and international defence projects—including infrastructure, facilities, and secure environments. This role ensures that the Cost & Commercial Management function aligns with the business strategy and delivers exceptional technical and commercial outcomes in a highly regulated sector.

Role accountabilities:

Strategic Leadership

• Lead the Cost & Commercial Management function for major defence sector developments, ensuring all activities align with business plans and the organization’s strategic objectives.
• Develop and implement best-practice processes tailored to defence projects to ensure efficiency, compliance, and value creation.

Technical & Commercial Oversight

• Oversee cost planning, procurement, contract administration, risk and value management, and financial reporting for highly complex, secure projects.
• Ensure accurate forecasting, contract compliance, and effective change management in accordance with defence sector standards.

Team Management & Development

• Build, mentor, and lead multidisciplinary teams, fostering a culture of performance, accountability, and ongoing professional development.
• Champion adoption of digital tools and innovative solutions to enhance project delivery and reporting.

Client & Stakeholder Engagement

• Cultivate strong relationships with defence clients, government agencies, contractors, and consultants.
• Represent the organization in high-level meetings, negotiations, and industry forums, both nationally and internationally.

Risk, Security & Compliance

• Identify, assess, and mitigate commercial and contractual risks unique to the defence sector, including security and confidentiality requirements.
• Ensure all work fully complies with relevant statutory, regulatory, and security frameworks.

Continuous Improvement

• Promote a culture of continuous improvement and lessons learned across all defence projects.
• Drive innovation and integration of digital and data-driven solutions in commercial management.

Qualifications & Experience:

• Qualifications:
  Degree in Quantity Surveying, Commercial Management, Engineering, or related field. RICS, ACostE, or equivalent professional accreditation preferred.
• Experience:
  Significant senior experience in cost and commercial management for major defence, security, or government projects (national/international). Experience with MOD, DIO, or similar bodies highly regarded.
• Technical Skills:
  Deep knowledge of defence procurement, contract forms (NEC, FIDIC, JCT, etc.), security protocols, and industry regulations.
• Leadership:
  Proven ability to lead large, diverse teams in complex, highly regulated environments.
• Stakeholder Management:
  Excellent communication, negotiation, and relationship-building skills with senior government and industry stakeholders.
• Security Clearance:
  Eligible for (or holds) relevant Defence sector security clearance.

Why Arcadis?

We can only achieve our goals when everyone is empowered to be their best. We believe everyone's contribution matters. It’s why we are pioneering a skills-based approach, where you can harness your unique experience and expertise to carve your career path and maximize the impact we can make together.

You’ll do meaningful work, and no matter what role, you’ll be helping to deliver sustainable solutions for a more prosperous planet. Make your mark, on your career, your colleagues, your clients, your life and the world around you.

Together, we can create a lasting legacy.

Join Arcadis. Create a Legacy.

Our Commitment to Equality, Diversity, Inclusion & Belonging

We want you to be able to bring your best self to work every day which is why we take equality and inclusion seriously and hold ourselves to account for our actions. Our ambition is to be an employer of choice and provide a great place to work for all our people. We believe that by working together diverse people with different experiences develop the most innovative ideas. Equality, diversity and inclusion is at the heart of how we improve quality of life and we work closely with our people across six ED&I Workstreams: Age, Disability, Faith, Gender, LGBT+ and Race. A diverse and skilled workforce is essential to our success.

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