Senior Sustainability Consultant

• Degree in Architecture, Environmental Engineering, Mechanical Engineering, Sustainability, or a related discipline.
• Master's degree in Sustainability, Environmental Design, Building Physics, or a similar field preferred.

• Professional proficiency in English and Spanish.
• Additional languages will be considered an asset.

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.

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. 

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. 

Join AECOM's B+P Sustainable Design Team and play a leading role in delivering sustainable, resilient, and low-carbon solutions across a diverse portfolio of international projects. Based in Madrid, you will provide technical leadership across multidisciplinary teams, helping clients achieve ambitious sustainability goals while supporting the growth and development of our Sustainable Design practice.

• Lead the development and delivery of sustainability, decarbonisation, and net-zero carbon strategies for major building and urban development projects.
• Provide technical leadership in environmental analysis, building performance modelling, embodied carbon, Life Cycle Assessment (LCA), and whole-life carbon studies.
• Guide multidisciplinary teams in integrating sustainability objectives into projects from concept through delivery, championing data-driven, parametric, and computational design approaches.
• Manage sustainability workstreams across multiple projects, overseeing project delivery, quality assurance, budgets, programmes, and client relationships.
• Lead the preparation and review of technical reports, sustainability strategies, certification submissions, and client presentations.
• Contribute to the growth of the Sustainable Design practice through mentoring, innovation, thought leadership, proposals, and business development activities

• Proven experience in sustainable design, environmental consultancy, building performance analysis, or a related field, typically 8-10+ years.
• Proven experience leading sustainability strategies and delivering complex building and/or masterplanning projects from concept through delivery.
• Proven experience managing project delivery, technical quality, client engagement, and multidisciplinary teams.
• Experience contributing to business development, proposals, and strategic growth initiatives.

• Advanced knowledge of low-carbon design, building physics, environmental performance assessment, climate-responsive design, and decarbonisation strategies.
• Strong experience in Life Cycle Assessment (LCA), embodied carbon analysis, whole-life carbon assessment, and carbon reduction strategies.
• Experience with environmental modelling and simulation tools.
• Experience with parametric design and early-stage design tools, particularly Grasshopper, is highly desirable. Experience with Python or other scripting languages is an advantage.
• Working knowledge of sustainability certification schemes and frameworks such as LEED, BREEAM, WELL, Passivhaus, or equivalent.

• Strong leadership and stakeholder management skills.
• Excellent analytical, communication, report-writing, and presentation skills.
• Ability to lead multidisciplinary teams and manage multiple complex projects simultaneously.
• Commercial awareness and a strategic approach to project delivery and client relationships.
• Commitment to innovation, technical excellence, and knowledge sharing.