Junior Sustainability Consultant

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

Join AECOM’s B+P Sustainable Design Team in an exciting opportunity to contribute to our mission of addressing the climate emergency. Based in Madrid, you will collaborate with architects, engineers, interior designers, and urban planners on a diverse range of international projects. This role is ideal for recent graduates or professionals with up to a few years of experience who are eager to build a career in sustainable design.

We are seeking a motivated early-career professional to support the integration of sustainable design solutions across our projects. Key responsibilities include:

• Supporting Design Development: Contribute to the creation of building and masterplan designs that focus on reducing carbon emissions, using sustainable materials, and improving resource efficiency.
• Environmental Analysis: Assist in developing tools and methods to analyze environmental performance during the early stages of design.
• Data-Driven Reporting: Prepare clear and detailed reports that explain analysis results and recommendations, with guidance from senior team members.
• Collaborative Engagement: Work closely with colleagues from different disciplines and external partners to achieve project goals.
• Workload Management: Organize and prioritize tasks to meet project deadlines effectively.
• Research and Training: Explore new sustainable policies, trends, and technologies, and share insights with the team.
• Project Contribution: Provide support to various projects as needed

• Background in Architecture, Environmental Engineering, Mechanical Engineering or similar. An MSc on Sustainability or Environmental Design is desirable.
• Suitable for recent graduates or professionals with up to 2 years of experience in a related field.
• A strong interest in sustainability and awareness of current environmental issues.
• Knowledge of building physics software for environmental simulation is desirable (IES VE, Energy+, Radiance, Ladybug, Henybee, OneClick LCA, etc). An appreciation of coding or a modern programming language would be an advantage.
• Basic experience with design software like Rhino or Revit, and proficiency in office tools like Word and PowerPoint.
• Awareness of sustainability standards like LEED, BREEAM, WELL, or Passivhaus is beneficial. Professional accreditation is not required.
• Ability to carefully assess and analyze information with precision.
• Strong analytical skills in researching and interpreting data.
• Confidence in presenting ideas and communicating effectively.
• Ability to work independently and take initiative when needed.
• Professional proficiency in both English and Spanish.

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.