Job Description
Job Description
AECOM is seeking an experienced Commercial Director to be based in our Baltimore, MD office .
The Commercial Director will oversee commercial strategy, contract administration, and financial governance for this multi‑billion‑dollar infrastructure program delivered under the Construction Manager at Risk (CMAR) contract type. This role is central to ensuring commercial integrity, cost predictability, and successful negotiation of Guaranteed Maximum Price (GMP) packages with CMAR contractors.
The ideal candidate brings deep experience in commercial management for large transportation or infrastructure programs, excels in contractor negotiations, and understands the complexities of CMAR delivery, risk allocation, and cost transparency. This role ensures effective contract management, compliance, and communication throughout the construction phase and contract closeout. The position requires regular attendance at the Integrated Project Office (IPO) in Baltimore, MD.
Key Responsibilities
- Lead the commercial strategy and negotiation of Guaranteed Maximum Price (GMP) packages with CMAR contractors.
- Validate contractor cost proposals, including labor, equipment, materials, allowances, contingencies, and fee structures.
- Ensure GMP submissions comply with contract requirements, cost transparency expectations, and auditability standards.
- Assess contractor assumptions, pricing methodologies, and risk allocations to protect owner interests.
- Interpret contract terms and ensure compliance across all project teams and contractors.
- Manage commercial risk registers, mitigation strategies, and commercial governance processes.
- Lead commercial assessments for scope changes, claims, and dispute resolution.
- Interpret contract terms and ensure compliance across all project teams and contractors.
- Manage commercial risk registers, mitigation strategies, and commercial governance processes.
- Lead commercial assessments for scope changes, claims, and dispute resolution.
- Interpret contract terms and ensure compliance across all project teams and contractors.
- Manage commercial risk registers, mitigation strategies, and commercial governance processes.
- Lead commercial assessments for scope changes, claims, and dispute resolution.
- Support dispute resolution and DRB processes.
- Review invoices and deliverables for compliance with contract terms.
- Coordinate closely with Procurement and COTR on official contract actions.
- Maintain vital records for audits, grants management, and contract closeout.
- Other duties as assigned.
Qualifications
Required:
- Bachelor’s degree in Law, Engineering, Construction Management, or related field.
- Twelve years of commercial management experience in construction management and contract administration or demonstrated equivalency of experience and/or education, including 4 years of leadership.
- Knowledge of commercial and contractual processes in large-scale infrastructure projects.
- Experience in managing complex contracts and resolving disputes effectively.
Preferred:
- Demonstrated experience with CMAR, GMP development, and contractor negotiations.
- Legal or advanced commercial experience
- Rail industry experience.
- Infrastructure design and construction program and contract management experience with working knowledge of construction contracts, technical specifications, and engineering drawing interpretations
- Experience supporting mediation, arbitration, and dispute resolution.
- Highly proficient in federal competitive procurement processes and regulations.
- Initiative-taking and self-directed with the ability to manage multiple project team members, consultants, and contractors for specific initiatives.
- Effective and experienced in communication, negotiation, and stakeholder management skills.
- Proficient in analyzing problems, forecast risks, and implement solutions.
- Experience with invoice review, audit support, and grants management.
Additional Information
- Adherence to BPTR program policies is mandatory.
- We are interested in every qualified candidate eligible to work in the United States. Sponsorship may be available for current visa holders in the United States
- Relocation is an option for this position.
At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.
About AECOM
AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan.
AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com.
What makes AECOM a great place to work
You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community—where you have the freedom to grow in a world of opportunity.
As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.
Other open roles at AECOM(6)
AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2024. Learn more at aecom.com.
Key team members

Samantha Vlaar - Siebeler

Adam Wagner

Osamu Matsuno

Luis Roberto León, PE, BCEE, ENV SP, F. ASCE, WEF FELLOW
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