Intern, Air Quality Modeler

Applicants must be currently authorized to work in the United States on a full-time basis. No sponsorship is available for this position.

Inviting Bright Minds

Ramboll is accepting applications for the Summer 2026 internship program at our office located in Fort Collins, Colorado. Each participant will be assigned a mentor who will guide them through project assignments. The program will provide internship participants with the opportunity to gain experience working in one or more practice areas. Our goal is to afford our interns experience with a variety of projects during the summer program to broaden their understanding an experience within their field of interest.

Joining Ramboll

As our new Air Quality Modeler Intern, you will be part of the Air Quality Group under Ramboll's Environment & Health Division. This group consists of people who are passionate about assisting Ramboll's clients with their most challenging problems related to air quality, climate change, and sustainability. The Air Quality Group consults with clients across a range of topics, including but not limited to, air quality modeling, emissions estimation, environmental and human health risk assessment, climate change, climate adaptation/resiliency, sustainability initiatives, permitting, and compliance.

Tasks and Responsibilities

• Assisting with computer modeling of air pollution
• Converting emissions inventory data for input to air quality models
• Performing emissions modeling to develop model-ready emissions for air quality models
• Modifying and/or developing scripts needed for such modeling
• Assisting with documenting results by preparing summary plots and tables
• Conducting spatial analysis using GIS and data visualization tools
• Performing quality assurance (QA)
• Actively participating in a growing network of Ramboll sustainability practitioners that span our services across environment/health, energy, and water

Your starting point for constant growth

From the moment you join Ramboll, we will support your personal and professional development so that you grow with the company. For this role, we believe your starting point is:

• Candidates should be working towards a B.S., M.S., or PhD in Engineering, Environmental Science, or related discipline with a GPA of 3.5 or higher. (air quality/meteorology-related course work is a plus)
• Strong computing skills including high-level use of spreadsheets and word processing
• Linux and computer programming experience, such as scientific and database programming
• Knowledge of emissions inventories and air pollution science
• Attention to detail and ability to perform careful QA
• Excellent written/verbal communication, problem-solving, and organizational skills

Preferred Skills

• Experience with National Emission Inventory, emission inventory development, and using SMOKE and related tools to develop emissions inputs for air quality models
• Knowledge of mobile source emissions modeling (e.g., using MOVES, EMFAC, NONROAD, OFFROAD)
• Database programming (SQL, Access) and scientific programming (FORTRAN, C, C++)

Welcome to our Environment & Health Division

One of the world's leading environmental and health consultancies, we are trusted by clients to manage their most challenging environmental, health, and social issues. We help clients understand and manage the impacts of their activities and products, so that they can respond to business, regulatory, or legal challenges effectively and develop sound strategies for operating sustainably.

Ramboll in Americas

Founded in Denmark, Ramboll is a people company that has over 2,000 experts working across more than 60 offices in the Americas applying their passion to deliver innovative solutions across Buildings, Transport, Energy, Environment & Health, Water, Management Consulting, and Architecture and Landscape. As a company, we are committed to reducing our environmental impact, contributing to a cohesive society with equal rights and opportunities for all, and fostering a culture of excellence, enjoyment, and equal opportunities for all our employees. We invite you to contribute to a sustainable future working in an open, collaborative, and empowering culture.

Salary Transparency Statement

At Ramboll, your base pay is only part of your overall total compensation package. At the time of this posting, this role is likely to be compensated at an hourly rate between $22 and $25 per hour. Actual pay may be more or less than the posted range, depending on numerous factors, includingexperience, geographical location, internal equity, market conditions, education/training andskill level, and does not include bonuses, overtime, or other forms of compensation or benefits.

Where People Flourish

Our mission is to create sustainable societies where people and nature flourish. This means that a culture of inclusion is embedded in everything we do. Our people bring diverse backgrounds and experiences to the company, enabling us to deliver innovative and forward-thinking solutions to our clients. We also know how important it is to achieve the right balance of where, when, and how much you work. At Ramboll, we offer flexibility as part of our positive and inclusive approach to work. We are committed to equal employment opportunity, regardless of age, disability or medical condition, gender identity, marriage and domestic partnership, pregnancy and maternity, race, ancestry, or national origin, religion or belief, sex and sexual orientation, military service and veteran status, or any other protected characteristic. Ramboll wants to ensure opportunities are accessible to candidates with disabilities. So, please let us know if there are any changes we could make to the application process to make it more comfortable for you. You can contact us atjob.advert.accessibility@ramboll.comwith such requests.

How to apply

Apply online.Attach your CV, cover letterand relevant documents showcasing why you are the right fit for the role, and when you are available to start. We look forward to receiving your application.