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Johnson Controls Senior Application Engineer Interview Questions, Process, and Tips

Updated 7 Feb 2025

Top Johnson Controls Senior Application Engineer Interview Questions and Answers

  • Q1. What are active power and reactive power in an electrical system?
  • Q2. What are the different types of temperature sensors, and what do RTD and PT100 mean?
  • Q3. What is your understanding of Building Management Systems (BMS), and how do they function?
View all 8 questions

Johnson Controls Senior Application Engineer Interview Experiences

4 interviews found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I was interviewed in Jan 2025.

Round 1 - Technical 

(8 Questions)

  • Q1. What are active power and reactive power in an electrical system?
  • Ans. 

    Active power is the actual power consumed by a system, while reactive power is the power that oscillates between the system and the source.

    • Active power is the real power consumed by electrical devices and is measured in watts (W).

    • Reactive power is the power that flows back and forth between the source and the load, without performing any useful work.

    • The combination of active power and reactive power gives the total pow...

  • Answered by AI
  • Q2. What are the different types of temperature sensors, and what do RTD and PT100 mean?
  • Ans. 

    Different types of temperature sensors include thermocouples, RTDs, thermistors, and infrared sensors. RTD stands for Resistance Temperature Detector and PT100 is a type of RTD.

    • Thermocouples: measure temperature based on voltage produced by two different metals joined together

    • RTDs (Resistance Temperature Detectors): measure temperature by changes in electrical resistance

    • Thermistors: measure temperature based on changes...

  • Answered by AI
  • Q3. What is your understanding of Building Management Systems (BMS), and how do they function?
  • Ans. 

    BMS are systems that control and monitor building operations, such as HVAC, lighting, and security, to improve efficiency and occupant comfort.

    • BMS integrate various building systems to centralize control and monitoring.

    • They use sensors and actuators to collect data and adjust settings based on predefined parameters.

    • BMS can optimize energy usage, reduce maintenance costs, and improve occupant comfort.

    • Examples of BMS inc...

  • Answered by AI
  • Q4. What is forward and backward flow in PID control system?
  • Ans. 

    Forward flow is the direct action of the controller on the process, while backward flow is the feedback from the process to the controller in a PID control system.

    • Forward flow is the control action that directly affects the process based on the setpoint and error signal.

    • Backward flow is the feedback mechanism where the process output is compared to the setpoint to generate an error signal for the controller.

    • In a PID co...

  • Answered by AI
  • Q5. Tell me about your self and experience
  • Ans. 

    I am a Senior Application Engineer with 8 years of experience in developing and implementing software solutions for various industries.

    • 8 years of experience in software development

    • Proficient in programming languages such as Java, C++, and Python

    • Strong background in designing and implementing complex applications

    • Experience working with cross-functional teams to deliver high-quality solutions

    • Proven track record of succes...

  • Answered by AI
  • Q6. What is your family background? What is your father do?
  • Ans. 

    My family background is diverse with members in various professions. My father is a retired engineer.

    • Diverse family background

    • Father is a retired engineer

  • Answered by AI
  • Q7. Why you want to change your job?
  • Ans. 

    Seeking new challenges and opportunities for growth in a different environment.

    • Desire for new challenges and learning opportunities

    • Seeking career advancement and growth

    • Interest in working with different technologies or industries

    • Better work-life balance or company culture

    • Relocation or commute reasons

  • Answered by AI
  • Q8. What are Modbus and BACnet in the context of a Building Management System (BMS)?
  • Ans. 

    Modbus and BACnet are communication protocols used in Building Management Systems (BMS) to enable devices to communicate with each other.

    • Modbus is a serial communication protocol commonly used for connecting industrial electronic devices. It is simple and easy to implement.

    • BACnet is a protocol specifically designed for building automation and control networks. It allows different devices from different manufacturers to...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared with strong fundamental knowledge and
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Feb 2024. There were 2 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Basic about fire alarm
  • Q2. How to choose voice alarm system in a building and justify
  • Ans. 

    Choose voice alarm system based on building size, occupancy, layout, and emergency response requirements.

    • Consider building size and layout to determine coverage area

    • Evaluate occupancy levels to ensure system can reach all occupants

    • Assess emergency response requirements to determine necessary features

    • Choose a system with clear and intelligible voice messages for effective communication

    • Ensure system complies with relevan...

  • Answered by AI
Round 2 - One-on-one 

(2 Questions)

  • Q1. Codes & standards
  • Q2. NICET standards

Senior Application Engineer Interview Questions Asked at Other Companies

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Q3. In an array of integers find the integer which is present odd num ... read more
Q4. What are active power and reactive power in an electrical system?
Q5. What are Modbus and BACnet in the context of a Building Managemen ... read more
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Jan 2022. There were 5 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Basics for ELV security systems
  • Q2. Details of the work experience
Round 3 - Technical 

(1 Question)

  • Q1. Basics of ELV security systems
Round 4 - One-on-one 

(1 Question)

  • Q1. Basics of ELV security systems
Round 5 - HR 

(1 Question)

  • Q1. Salary negotiations, expectations

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare the basics to compete for technical rounds
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Jan 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

General Aptitude Test.

Round 2 - One-on-one 

(2 Questions)

  • Q1. One-on-One with Senior Engineering Manager.
  • Q2. What do you know about BMS
  • Ans. 

    BMS stands for Building Management System, used to monitor and control building systems like HVAC, lighting, and security.

    • BMS helps optimize energy usage and improve building efficiency.

    • It can integrate various systems like HVAC, lighting, security, and fire alarms for centralized control.

    • BMS can provide real-time data and analytics for better decision-making in building management.

    • Examples of BMS vendors include Sieme

  • Answered by AI
Round 3 - Technical 

(2 Questions)

  • Q1. What do you know about PID Loops.
  • Ans. 

    PID loops are a type of control loop feedback mechanism used in systems to maintain a desired setpoint by adjusting the process inputs.

    • PID stands for Proportional-Integral-Derivative, which are the three control terms used in the loop.

    • Proportional term responds to the current error value.

    • Integral term deals with the accumulation of past errors.

    • Derivative term predicts future errors based on the rate of change.

    • PID loops...

  • Answered by AI
  • Q2. Technical round with Hiring Team.

Johnson Controls interview questions for designations

 Application Developer

 (2)

 Senior Design Engineer

 (5)

 Senior Software Engineer

 (2)

 Senior Quality Engineer

 (1)

 Engineer

 (3)

 Senior Executive

 (6)

 Senior Analyst

 (3)

 Senior Associate

 (2)

Interview questions from similar companies

Interview Preparation Tips

Round: Resume Shortlist
Experience: General resume shortlisting out of nearly 400 applicants. Shortlisted close to 150 students.

Round: Technical Interview
Experience: Mostly questions from the resume were asked. They just wanted to know the types of projects I had done.
Tips: Make sure you know everything about what you write in your resume.

Round: Technical Interview
Experience: Another round of technical interview. Questions were more focused on the kind of profile they were offering, mostly to judge whether you are right for the job or not.

Skills: Confidence, Core knowledge
College Name: IIT BOMBAY

Interview Preparation Tips

Round: Test
Experience: more of experience gaining and learning new tricks of codding a program.
Tips: must focus on bugging and debugging the program.
Duration: 60 mins minutes

Skills: Coding Skills,
College Name: Invertis university
Motivation: bosch is a multinational company stating its rank worldwide.so anyone would to work with outstanding company.

I applied via Walk-in and was interviewed before Sep 2020. There were 5 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Data structure and STA

Interview Preparation Tips

Interview preparation tips for other job seekers - Be yourself and don't try to be oversmart.

I applied via Naukri.com and was interviewed before May 2020. There were 5 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Scenario based to be solved with python

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare the core concepts very well.

Interview Questionnaire 

1 Question

  • Q1. Prepare python data structures and python basics

I applied via Naukri.com and was interviewed before Jun 2019. There were 3 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Implement stack data structure
  • Ans. 

    Implement stack data structure

    • Use an array or linked list to store elements

    • Push operation adds element to top of stack

    • Pop operation removes element from top of stack

    • Peek operation returns top element without removing it

  • Answered by AI
  • Q2. How global variable work , how its shared by all function
  • Ans. 

    Global variables are accessible from any part of the program and can be modified by any function.

    • Global variables are declared outside of any function.

    • They can be accessed and modified by any function in the program.

    • If a function modifies the value of a global variable, the new value is visible to all other functions.

    • Global variables can be useful for sharing data between functions.

    • However, overuse of global variables

  • Answered by AI
  • Q3. Program to transpose the matrix
  • Ans. 

    Program to transpose a matrix

    • Iterate through rows and columns of the matrix

    • Swap the elements at (i,j) and (j,i) positions

    • Return the transposed matrix

  • Answered by AI
  • Q4. Internal implementation of pre and post fix operator
  • Ans. 

    Pre and post fix operators are used to increment or decrement a value before or after it is used in an expression.

    • Pre-fix operator (++x) increments the value of x and returns the new value.

    • Post-fix operator (x++) returns the value of x and then increments it.

    • Both operators can be used with variables of numeric data types.

    • They can also be used with pointers to increment or decrement the memory address they point to.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare some standard problem from geekforgeeks.com

Skills evaluated in this interview

Johnson Controls Interview FAQs

How many rounds are there in Johnson Controls Senior Application Engineer interview?
Johnson Controls interview process usually has 2-3 rounds. The most common rounds in the Johnson Controls interview process are One-on-one Round, Technical and HR.
How to prepare for Johnson Controls Senior Application Engineer 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 Johnson Controls. The most common topics and skills that interviewers at Johnson Controls expect are Instrumentation, MEP, Cost Estimation, Presales and HVAC.
What are the top questions asked in Johnson Controls Senior Application Engineer interview?

Some of the top questions asked at the Johnson Controls Senior Application Engineer interview -

  1. What are active power and reactive power in an electrical syst...read more
  2. What are the different types of temperature sensors, and what do RTD and PT100 ...read more
  3. What is your understanding of Building Management Systems (BMS), and how do the...read more

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Johnson Controls Senior Application Engineer Interview Process

based on 5 interviews

Interview experience

5
  
Excellent
View more
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Johnson Controls Senior Application Engineer Salary
based on 160 salaries
₹5 L/yr - ₹14.1 L/yr
31% less than the average Senior Application Engineer Salary in India
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based on 37 reviews

3.7/5

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3.5

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3.3

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3.2

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