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AECOM Interview Questions and Answers

Updated 25 Jun 2025
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75 Interview questions

A Senior Engineer was asked
Q. What is the equipment sequence for a line bay?
Ans. 

The equipment sequence for any line bay starts with the circuit breaker and ends with the transformer.

  • The circuit breaker is the first equipment in the sequence.

  • Next comes the isolator switch.

  • After that, the earth switch is operated.

  • Then the line disconnector is opened.

  • Finally, the transformer is disconnected from the line.

  • The sequence is reversed when the line bay is put back into service.

View all Senior Engineer interview questions
A Senior Engineer was asked
Q. What are the different bus bar schemes?
Ans. 

Bus bar schemes are different ways of connecting bus bars in power systems.

  • Single bus bar scheme

  • Double bus bar scheme

  • Main and transfer bus bar scheme

  • Ring bus bar scheme

  • Breaker and a half scheme

  • Mesh bus bar scheme

View all Senior Engineer interview questions
A Quantity Surveyor was asked
Q. What is the cost to complete the project?
Ans. 

Cost to complete refers to the estimated amount of money required to finish a project or task.

  • Cost to complete is an important metric used in project management and quantity surveying.

  • It takes into account the remaining work, resources, and expenses needed to complete a project.

  • It helps in assessing the financial status of a project and making informed decisions.

  • Cost to complete can be calculated by subtracting th...

View all Quantity Surveyor interview questions
A Structural Engineer was asked
Q. What is the appropriate boom length for a tower crane?
Ans. 

The boom length of a tower crane varies depending on the model and manufacturer.

  • Tower crane boom length can range from 30 meters to over 100 meters.

  • The boom length determines the maximum height and reach of the crane.

  • Factors such as weight capacity and wind speed also affect the boom length.

  • Some popular tower crane models and their boom lengths include: Potain MDT 98 (55 meters), Liebherr 630 EC-H 40 (40 meters), ...

View all Structural Engineer interview questions
An Assistant Engineer - Civil was asked
Q. Why is sand used in concrete mixers?
Ans. 

Water is added to concrete mixer to make the mixture more workable and to achieve the desired consistency.

  • Water is added to hydrate the cement and activate the chemical reaction that causes it to harden

  • The amount of water added affects the strength and durability of the concrete

  • Too much water can weaken the concrete and cause cracking

  • The water should be added gradually and mixed thoroughly to ensure even distribut...

View all Assistant Engineer - Civil interview questions
An Assistant Engineer - Civil was asked
Q. What factors affect concrete strength?
Ans. 

Concrete strength depends on various factors.

  • Water-cement ratio

  • Type and quality of cement

  • Aggregate size and shape

  • Curing conditions

  • Mix design

  • Age of concrete

  • Temperature and humidity

  • Presence of admixtures

View all Assistant Engineer - Civil interview questions
An Assistant Engineer - Civil was asked
Q. What is the hydration process during the casting of concrete?
Ans. 

Hydration process is the chemical reaction between cement and water which results in the hardening of concrete.

  • Hydration process starts as soon as water is added to cement.

  • The reaction produces heat and causes the mixture to harden and gain strength.

  • The process continues for weeks and even months, resulting in a stronger and more durable concrete.

  • The amount of water used in the mixture affects the hydration proces...

View all Assistant Engineer - Civil interview questions
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A Business Development Specialist was asked
Q. Describe situations where you have single-handedly delivered an end-to-end bid.
Ans. 

I have delivered end to end bids independently in multiple situations.

  • Researched and identified potential clients and opportunities

  • Developed proposals and pricing strategies

  • Managed the bid process from start to finish

  • Collaborated with cross-functional teams to ensure all requirements were met

  • Successfully secured contracts worth over $1 million

  • Examples: XYZ project for ABC company, DEF project for GHI company

View all Business Development Specialist interview questions
A Project Coordinator was asked
Q. How will you synchronize the DGs?
Ans. 

Synchronizing DGs involves coordinating their activities and ensuring they work together efficiently.

  • Create a detailed project plan outlining the tasks and timelines for each DG

  • Establish regular communication channels to share updates and resolve any conflicts

  • Implement a centralized system for tracking progress and identifying dependencies

  • Conduct regular meetings to discuss challenges, provide guidance, and align ...

View all Project Coordinator interview questions
An Assistant Manager Quality was asked
Q. How do you maintain ISO certification?
Ans. 

Maintaining ISO certification requires continuous improvement and adherence to standards.

  • Regular internal audits to identify areas for improvement

  • Documented procedures and processes to ensure consistency

  • Training and education for employees on ISO standards

  • External audits to verify compliance

  • Corrective actions taken to address non-conformities

  • Management review to ensure effectiveness of the quality management syste...

View all Assistant Manager Quality interview questions

AECOM Interview Experiences

128 interviews found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I appeared for an interview in Dec 2024, where I was asked the following questions.

  • Q1. I am Om Prakash
  • Q2. Quality control job
  • Q3. QA QC Engineer jobs
  • Q4. ๐Š๐ž๐ฒ ๐ƒ๐จ๐œ๐ฎ๐ฆ๐ž๐ง๐ญ๐ฌ ๐๐ซ๐ž๐ฉ๐š๐ซ๐ž๐ ๐›๐ฒ ๐๐€/๐๐‚ ๐„๐ง๐ ๐ข๐ง๐ž๐ž๐ซ/๐ˆ๐ง๐ฌ๐ฉ๐ž๐œ๐ญ๐จ๐ซ๐ฌ ๐Ÿ“„ 1. Inspection & Test Plan (ITP) Describes the sequence of inspections and tests Defines hold points, witne...
  • Q5. .Job highlights . All QC Laboratory document preparation like work procedures,ITP,QAP,Checklist,formats required for carrying out project specific activity and testing as per project specifications and cod...

Interview Preparation Tips

Interview preparation tips for other job seekers - For better opportunities to expand my all skills...
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
Selected Selected
  • Q1. Can you describe your experience in past projects?
  • Q2. What is your understanding of techno-managerial capability?
  • Q3. What are your salary expectations?

Interview Preparation Tips

Interview preparation tips for other job seekers - AECOM was an excellent company to work for a few years ago. However, it currently focuses primarily on hiring professionals who work at the behest of the respective clients. Once employed, there is rarely any connection with the company. They retain a significant portion, up to 50%, of the client's billing amount and pay you the remainder. Furthermore, they offer minimal or no salary increments after you join. Therefore, it is advisable to negotiate the highest possible remuneration during the initial hiring process.

L2 Engineer Interview Questions & Answers

user image Anonymous

posted on 22 May 2024

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Oct 2024.ย There were 2 interview rounds.

Round 1 - Group Discussionย 

Regarding RDSS Projects

Round 2 - One-on-oneย 

(3 Questions)

  • Q1. Regarding BOQ of 11 KV & 33 KV Feeder Bifurcation
  • Q2. Regarding Installation of DTR Structure with transformer
  • Q3. Regarding 33/11 KV Augmented substation and installation of Power Transformer
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I appeared for an interview in Mar 2025, where I was asked the following questions.

  • Q1. Electrical work is knowledge
  • Q2. Cable tray laying work
  • Ans. 

    Cable tray laying involves planning, installation, and securing cable trays for efficient cable management in electrical systems.

    • Assess the layout: Determine the optimal route for cable trays considering building structure and electrical load requirements.

    • Select appropriate materials: Use materials like aluminum or steel based on environmental conditions and load capacity.

    • Ensure proper support: Install trays with adequ...

  • Answered by AI
  • Q3. All types of cables termination and laying
  • Ans. 

    Cables require proper termination and laying techniques for effective electrical performance and safety.

    • Types of cable terminations include crimping, soldering, and using connectors.

    • Cable laying methods include direct burial, conduit installation, and aerial installation.

    • For example, underground cables are often terminated with heat-shrinkable sleeves.

    • Aerial cables are typically laid using support structures like poles...

  • Answered by AI
  • Q4. Dependence on the all load calculation
  • Ans. 

    Load calculation is crucial for ensuring electrical systems can handle demand without failure.

    • Load calculation determines the total electrical demand of a system.

    • It considers various factors like lighting, HVAC, and equipment loads.

    • Example: In a residential building, lighting load might be calculated based on wattage per square foot.

    • Commercial buildings may require demand factors for peak load scenarios.

    • Accurate load c...

  • Answered by AI
  • Q5. Earth fault calculation
  • Q6. Project executions work client discussion solved problem
  • Q7. BOQ is preparing to bill

Interview Preparation Tips

Interview preparation tips for other job seekers - Thank you

Engineer 1 Interview Questions & Answers

user image Anonymous

posted on 27 Jan 2025

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected
Round 1 - HRย 

(2 Questions)

  • Q1. In Which field do you have knowledge of?
  • Ans. 

    I have knowledge in the field of mechanical engineering.

    • Mechanical engineering principles and concepts

    • Design and analysis of mechanical systems

    • Thermodynamics and fluid mechanics

  • Answered by AI
  • Q2. How much was your past salary in the company in which you were working
  • Ans. 

    I am not comfortable disclosing my past salary from my previous company.

    • It is not appropriate to discuss past salary during an interview

    • Focus on the value I can bring to this new role

    • Salary expectations should be based on the current market and the responsibilities of the new position

  • Answered by AI
Round 2 - HRย 

(2 Questions)

  • Q1. How long did you work in your past company?
  • Ans. 

    I worked at my past company for 3 years.

    • Worked at past company for 3 years

    • Started in entry-level position and was promoted twice

    • Received Employee of the Year award in second year

  • Answered by AI
  • Q2. What salary do you expect in this company?
  • Ans. 

    I expect a competitive salary that reflects my skills, experience, and the market rate for this position.

    • Research the average salary range for Engineer 1 positions in the industry and location

    • Consider your own qualifications, experience, and the value you bring to the company

    • Be prepared to negotiate based on the company's offer and benefits package

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - What is the difference between PMC and EPCC ?
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I appeared for an interview in Apr 2025, where I was asked the following questions.

  • Q1. Based on technical knowledge.
  • Q2. Based on work experience.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be honest always.

Interview Questions & Answers

user image Anonymous

posted on 21 Feb 2025

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technicalย 

(2 Questions)

  • Q1. Concrete Quality
  • Q2. Steel structure fabrication
Round 2 - HRย 

(1 Question)

  • Q1. Salary discuss with last salary
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I appeared for an interview in Jan 2025.

Round 1 - Aptitude Testย 

Written performance about the overall questions in time management.

Round 2 - HRย 

(1 Question)

  • Q1. Regular Questions

Interview Questions & Answers

user image Anonymous

posted on 10 Mar 2025

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected
Round 1 - Aptitude Testย 

How you would approach to solve a problem.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be thorough with your technical and managerial skills with good soft skills
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-oneย 

(2 Questions)

  • Q1. Exposure to contracts
  • Q2. Negotiation of contracts
Round 2 - HRย 

(2 Questions)

  • Q1. Salary negotiation
  • Q2. Notice Period and date of joining

Top trending discussions

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Interview Tips & Stories
2w
toobluntforu
ยท
works at
Cvent
Can speak English, canโ€™t deliver in interviews
I feel like I can't speak fluently during interviews. I do know english well and use it daily to communicate, but the moment I'm in an interview, I just get stuck. since it's not my first language, I struggle to express what I actually feel. I know the answer in my head, but I just canโ€™t deliver it properly at that moment. Please guide me
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AECOM Interview FAQs

How many rounds are there in AECOM interview?
AECOM interview process usually has 2-3 rounds. The most common rounds in the AECOM interview process are Resume Shortlist, Technical and HR.
How to prepare for AECOM interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at AECOM. The most common topics and skills that interviewers at AECOM expect are AutoCAD, Construction, Project Management, Civil Engineering and Design.
What are the top questions asked in AECOM interview?

Some of the top questions asked at the AECOM interview -

  1. What are the components to be considered in the Rate analys...read more
  2. Where do we get the permission to fix barricade bo...read more
  3. Tolerance limit in various structure members P...read more
What are the most common questions asked in AECOM HR round?

The most common HR questions asked in AECOM interview are -

  1. Where do you see yourself in 5 yea...read more
  2. Why are you looking for a chan...read more
  3. What are your strengths and weakness...read more
How long is the AECOM interview process?

The duration of AECOM interview process can vary, but typically it takes about less than 2 weeks to complete.

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Overall Interview Experience Rating

4.5/5

based on 101 interview experiences

Difficulty level

Easy 12%
Moderate 80%
Hard 8%

Duration

Less than 2 weeks 61%
2-4 weeks 20%
4-6 weeks 6%
6-8 weeks 2%
More than 8 weeks 10%
View more
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Director Semiconductor Fabrication Facility Design

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