Aecom Research Scientist Interview Questions + Guide in 2025

Aecom is a leading global infrastructure consulting firm dedicated to delivering innovative solutions for complex challenges, transforming communities, and fostering sustainable legacies.

The Research Scientist role at Aecom is centered around supporting environmental remediation projects, particularly related to the global PFAS initiative within the Federal Remediation Practice. Key responsibilities include leading technical efforts for remediation projects, conducting site inspections, risk assessments, feasibility studies, and preparing detailed project deliverables in collaboration with junior staff. A successful candidate will demonstrate advanced scientific knowledge and experience in addressing environmental contaminants, particularly PFAS, through the application of emerging technologies and established scientific principles. Strong communication skills are essential for presenting technical findings, collaborating with stakeholders, and preparing reports compliant with regulatory frameworks like CERCLA/RCRA. Candidates should possess a relevant degree, ideally at the master’s or doctoral level, and have a proven track record in remediation, particularly at Department of Defense or federal facilities. Adaptability, teamwork, and a commitment to sustainability are highly valued traits that resonate with Aecom's mission to improve the world.

This guide aims to equip candidates with the insights needed to navigate the interview process effectively, highlighting the key skills and experiences that will resonate with Aecom’s values and expectations.

The interview process for a Research Scientist position at AECOM is structured to assess both technical expertise and cultural fit within the organization. It typically consists of several stages designed to evaluate your qualifications, experience, and alignment with AECOM's mission.

1. Application and Initial Screening

The process begins with submitting your application online. Following this, candidates usually undergo an initial screening, which may involve a phone call with a talent acquisition representative. This conversation focuses on your background, motivations for applying, and a preliminary assessment of your fit for the role and the company culture.

2. Technical Assessment

Candidates who pass the initial screening are often required to complete a technical assessment. This may involve analyzing a dataset using preferred analysis tools and presenting your findings. The assessment is designed to evaluate your analytical skills, problem-solving abilities, and familiarity with relevant scientific principles and technologies. You may also be asked to discuss your approach to the task and how it relates to AECOM's projects.

3. In-Person or Video Interviews

The next step typically involves one or more in-person or video interviews with a panel of interviewers, which may include hiring managers and team members. These interviews are generally structured and last about an hour. They focus on your past experiences, technical knowledge, and behavioral competencies. Expect questions that probe your understanding of environmental science, remediation processes, and project management, particularly in relation to Department of Defense (DoD) or federal agency projects.

4. Behavioral and Situational Questions

During the interviews, candidates can expect a mix of behavioral and situational questions. Interviewers will assess how you handle challenges, work within a team, and communicate with stakeholders. They may ask about your previous experiences in managing projects, conducting risk assessments, and preparing technical reports. Be prepared to discuss your strengths and weaknesses, as well as your long-term career aspirations.

5. Final Interview and Offer

For candidates who successfully navigate the previous stages, a final interview may be conducted, often with senior management or executives. This stage may involve discussions about your strategic vision for the role and how you can contribute to AECOM's goals. If all goes well, you will receive a job offer, which will include details about compensation and benefits.

As you prepare for your interview, consider the specific skills and experiences that align with AECOM's needs, particularly in environmental science and remediation practices.

Next, let's delve into the types of questions you might encounter during the interview process.

Here are some tips to help you excel in your interview.

Understand the Role and Its Impact

As a Research Scientist at AECOM, you will be expected to lead complex remediation projects, particularly focusing on PFAS. Familiarize yourself with the latest developments in environmental science, especially regarding PFAS and remediation technologies. Be prepared to discuss how your previous experiences align with AECOM's mission to deliver a better world through innovative solutions. Highlight your understanding of the implications of your work on communities and the environment.

Prepare for Technical Discussions

Expect to engage in technical discussions that may involve data analysis and project deliverables. Brush up on your knowledge of scientific principles and methodologies relevant to environmental science, particularly those related to remediation processes. Be ready to discuss specific projects you've worked on, including your role, the challenges faced, and the outcomes achieved. Demonstrating your technical expertise will be crucial in establishing your credibility.

Showcase Your Communication Skills

Effective communication is key in this role, as you will need to present complex data and findings to various stakeholders. Prepare to discuss how you have successfully communicated technical information in the past, whether through presentations, reports, or team collaborations. Consider practicing a brief presentation on a relevant topic to demonstrate your ability to convey complex information clearly and concisely.

Emphasize Team Collaboration

AECOM values teamwork and collaboration. Be prepared to discuss your experiences working in teams, particularly in cross-functional settings. Highlight instances where you contributed to team success, navigated conflicts, or supported junior staff. This will showcase your ability to work effectively within AECOM's collaborative culture.

Be Ready for Behavioral Questions

Expect behavioral questions that assess your problem-solving abilities, adaptability, and leadership qualities. Use the STAR (Situation, Task, Action, Result) method to structure your responses. Reflect on past experiences where you demonstrated these qualities, particularly in challenging situations relevant to environmental science or project management.

Ask Insightful Questions

Prepare thoughtful questions to ask your interviewers about AECOM's projects, team dynamics, and future initiatives. This not only shows your interest in the role but also helps you gauge if the company culture aligns with your values. Consider asking about the company's approach to innovation in environmental science or how they support professional development for their scientists.

Stay Calm and Engaged

Interviews can be nerve-wracking, but maintaining a calm demeanor will help you think clearly and respond effectively. Engage actively with your interviewers by listening carefully and responding thoughtfully. Taking notes during the interview can also help you remember key points and demonstrate your attentiveness.

By following these tips, you will be well-prepared to showcase your qualifications and fit for the Research Scientist role at AECOM. Good luck!

In this section, we’ll review the various interview questions that might be asked during an interview for a Research Scientist position at AECOM. Candidates should focus on demonstrating their technical expertise, problem-solving abilities, and understanding of environmental science principles, particularly in relation to PFAS remediation and federal guidelines.

Technical Expertise

1. Can you explain the significance of PFAS in environmental remediation projects?

Understanding the implications of PFAS is crucial for this role, as it directly relates to the projects you will be involved in.

How to Answer

Discuss the environmental and health impacts of PFAS, as well as the regulatory landscape surrounding its remediation.

Example

“PFAS are persistent in the environment and can accumulate in human bodies, leading to serious health issues. Their presence in water sources necessitates rigorous remediation efforts, and understanding the latest technologies and methods for their removal is essential for effective project management.”

2. Describe your experience with CERCLA/RCRA guidelines.

This question assesses your familiarity with the legal frameworks governing environmental remediation.

How to Answer

Highlight specific projects where you applied these guidelines, emphasizing your role and the outcomes.

Example

“I have worked on several projects that required compliance with CERCLA/RCRA guidelines, including conducting risk assessments and feasibility studies. My role involved ensuring that all project deliverables met regulatory standards, which ultimately led to successful remediation outcomes.”

3. What methodologies do you use for site inspections and remedial investigations?

This question evaluates your practical experience in the field.

How to Answer

Discuss the methodologies you prefer and why, including any relevant technologies or tools.

Example

“I typically employ a combination of visual inspections, soil sampling, and groundwater monitoring to assess site conditions. Utilizing advanced technologies like GIS for spatial analysis has also enhanced my ability to identify contamination sources effectively.”

4. How do you approach preparing technical reports and project deliverables?

This question gauges your writing and communication skills, which are vital for this role.

How to Answer

Explain your process for compiling data and presenting it clearly and concisely.

Example

“I start by gathering all relevant data and collaborating with team members to ensure accuracy. I then structure the report to highlight key findings and recommendations, using visuals to enhance understanding. My goal is to make complex information accessible to both technical and non-technical stakeholders.”

Project Management

5. Describe a challenging project you led and how you managed it.

This question assesses your leadership and project management skills.

How to Answer

Focus on a specific project, the challenges faced, and the strategies you employed to overcome them.

Example

“I led a project involving the remediation of a contaminated site with PFAS. The challenge was coordinating multiple stakeholders, including federal agencies and local communities. I implemented regular communication updates and established a clear project timeline, which helped keep everyone aligned and ultimately led to the project’s success.”

6. How do you prioritize tasks when managing multiple projects?

This question evaluates your organizational skills and ability to handle pressure.

How to Answer

Discuss your approach to prioritization and time management.

Example

“I prioritize tasks based on project deadlines and the potential impact on overall project goals. I use project management tools to track progress and ensure that critical tasks are completed on time, while also allowing flexibility for unexpected challenges.”

Communication and Collaboration

7. How do you ensure effective communication with stakeholders during a project?

This question assesses your interpersonal skills and ability to manage relationships.

How to Answer

Explain your strategies for maintaining open lines of communication.

Example

“I believe in proactive communication, so I schedule regular updates with stakeholders to discuss project progress and address any concerns. I also tailor my communication style to suit the audience, ensuring that technical details are conveyed clearly to non-technical stakeholders.”

8. Can you provide an example of how you handled a conflict within a project team?

This question evaluates your conflict resolution skills.

How to Answer

Share a specific instance, focusing on your approach to resolving the issue.

Example

“In a previous project, there was a disagreement between team members regarding the best remediation approach. I facilitated a meeting where each member could present their perspective. By encouraging open dialogue, we were able to reach a consensus on a hybrid approach that incorporated the best elements of both proposals.”

Future Aspirations

9. Where do you see yourself in five years within AECOM?

This question gauges your long-term commitment and career goals.

How to Answer

Discuss your aspirations in relation to the company’s mission and values.

Example

“I see myself taking on more leadership responsibilities, perhaps as a project manager overseeing larger remediation initiatives. I am passionate about contributing to AECOM’s mission of delivering a better world, and I hope to lead innovative projects that set new standards in environmental remediation.”

10. What excites you about working in the field of environmental science?

This question assesses your passion and motivation for the role.

How to Answer

Share your enthusiasm for the field and its impact on society.

Example

“I am excited about the potential to make a tangible difference in communities through environmental remediation. The challenge of addressing complex contamination issues and the opportunity to work with cutting-edge technologies to protect public health and the environment truly motivates me.”