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AT&T Technical Specialist Interview Questions and Answers

Updated 23 Sep 2023

AT&T Technical Specialist Interview Experiences

2 interviews found

Technical Specialist Interview Questions & Answers

user image vamsee gunimeda

posted on 23 Sep 2023

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Aug 2023. There were 4 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 

(1 Question)

  • Q1. They will test your technical expertise
Round 3 - Behavioral 

(1 Question)

  • Q1. They will ask some managerial questions
Round 4 - HR 

(1 Question)

  • Q1. Salary discussions

I applied via Naukri.com and was interviewed before Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Normal HR Questions
  • Q2. Questions about your job profile

Interview Preparation Tips

Interview preparation tips for other job seekers - Be Honest. Ask for the hike

Technical Specialist Interview Questions Asked at Other Companies

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Q2. What programming language are you most familiar with,describe a t ... read more
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Q3. Which protocol we are using for monitoring network devices?
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Q5. How many years of experience in Linux System Administrator?

Interview questions from similar companies

I was interviewed before Sep 2016.

Interview Questionnaire 

16 Questions

  • Q1. On what technology you have worked?
  • Ans. 

    I have worked on various technologies including Java, Python, AWS, Docker, and Kubernetes.

    • Java

    • Python

    • AWS

    • Docker

    • Kubernetes

  • Answered by AI
  • Q2. Case studies of daily operational activities?
  • Ans. 

    Daily operational activities case studies

    • Case study of optimizing production line for efficiency

    • Case study of implementing new safety protocols in a manufacturing plant

    • Case study of troubleshooting and resolving technical issues in a software development team

    • Case study of streamlining inventory management in a retail store

    • Case study of improving customer service processes in a call center

  • Answered by AI
  • Q3. What is project management?
  • Ans. 

    Project management is the process of planning, organizing, and overseeing the execution of a project from start to finish.

    • It involves defining project goals and objectives

    • Creating a project plan and timeline

    • Assigning tasks and responsibilities to team members

    • Monitoring progress and making adjustments as needed

    • Ensuring that the project is completed on time, within budget, and meets the desired quality standards

    • Examples ...

  • Answered by AI
  • Q4. What is financial and cost control during project management?
  • Ans. 

    Financial and cost control is the process of monitoring and managing project expenses to ensure they stay within budget.

    • Developing a detailed budget plan

    • Tracking expenses and comparing them to the budget plan

    • Identifying and addressing cost overruns

    • Negotiating with vendors to get the best prices

    • Implementing cost-saving measures

    • Regularly reporting on financial status to stakeholders

  • Answered by AI
  • Q5. What is resource management?
  • Ans. 

    Resource management is the process of planning, allocating, and optimizing resources to achieve organizational goals.

    • It involves identifying the resources needed for a project or task

    • Allocating those resources in an efficient manner

    • Monitoring and controlling resource usage to ensure optimal performance

    • Examples include managing personnel, finances, equipment, and time

    • Effective resource management can lead to increased p

  • Answered by AI
  • Q6. What is 2G , 3G, 4G call flow?
  • Ans. 

    2G, 3G, and 4G call flow are the processes involved in establishing and maintaining a mobile phone call.

    • 2G call flow involves circuit-switched technology and uses Time Division Multiple Access (TDMA) for voice transmission.

    • 3G call flow uses packet-switched technology and supports both voice and data transmission.

    • 4G call flow uses Long-Term Evolution (LTE) technology and provides high-speed data transmission.

    • All call fl...

  • Answered by AI
  • Q7. What is single RAN?
  • Ans. 

    Single RAN is a network architecture that allows multiple wireless technologies to be supported on a single physical network.

    • Single RAN stands for Single Radio Access Network.

    • It enables multiple wireless technologies such as 2G, 3G, 4G, and 5G to be supported on a single physical network.

    • This reduces the need for multiple hardware and software components, resulting in cost savings and simplified network management.

    • Sing...

  • Answered by AI
  • Q8. What is VOLTE?
  • Ans. 

    VOLTE stands for Voice over LTE. It is a technology that allows voice calls to be made over a 4G LTE network.

    • VOLTE uses IP packets to transmit voice calls over the LTE network

    • It provides better call quality and faster call setup times compared to traditional 2G/3G networks

    • VOLTE also allows for simultaneous voice and data usage on the same network

    • Examples of VOLTE-enabled devices include iPhone 6 and above, Samsung Gala...

  • Answered by AI
  • Q9. Difference between LTE & VOLTE?
  • Ans. 

    LTE is a standard for wireless broadband communication while VoLTE is a technology that enables voice calls over LTE network.

    • LTE stands for Long-Term Evolution and is a standard for wireless broadband communication.

    • VoLTE stands for Voice over LTE and is a technology that enables voice calls over LTE network.

    • LTE is used for data transfer while VoLTE is used for voice calls.

    • VoLTE provides better call quality and faster c...

  • Answered by AI
  • Q10. What is transport network?
  • Ans. 

    Transport network refers to the infrastructure that enables the movement of people, goods, and information.

    • Transport network includes roads, railways, airports, seaports, and communication networks.

    • It plays a crucial role in the economy by facilitating trade and commerce.

    • Examples of transport networks include the interstate highway system in the US and the European railway network.

    • Transport network planning involves op...

  • Answered by AI
  • Q11. Difference between ABIS over IP and ABIS over TDM?
  • Ans. 

    ABIS over IP and ABIS over TDM are two different methods of transmitting biometric data.

    • ABIS over IP uses internet protocol to transmit biometric data while ABIS over TDM uses time-division multiplexing.

    • ABIS over IP is more flexible and scalable than ABIS over TDM.

    • ABIS over TDM is more reliable and secure than ABIS over IP.

    • ABIS over IP is suitable for remote locations while ABIS over TDM is suitable for local networks.

    • ...

  • Answered by AI
  • Q12. Basic architecture of 2G , 3G & 4G?
  • Ans. 

    2G, 3G, and 4G are mobile network technologies with different architectures.

    • 2G uses circuit-switched technology and is primarily used for voice calls and text messaging.

    • 3G uses packet-switched technology and offers faster data transfer rates than 2G.

    • 4G uses all-IP packet-switched technology and provides even faster data transfer rates than 3G.

    • 4G also supports advanced features like VoLTE and carrier aggregation.

    • Each ge...

  • Answered by AI
  • Q13. Introduce yourself?
  • Ans. 

    I am a Senior engineer with 10+ years of experience in software development, specializing in backend systems and cloud technologies.

    • 10+ years of experience in software development

    • Specialize in backend systems and cloud technologies

    • Strong problem-solving skills

    • Experience with large-scale distributed systems

    • Proficient in programming languages such as Java, Python, and Go

  • Answered by AI
  • Q14. What are the experiences of your previous companies?
  • Ans. 

    I have worked in various companies ranging from startups to large corporations, gaining experience in diverse technologies and industries.

    • Worked in a startup where I was responsible for developing a scalable backend system using Node.js and MongoDB.

    • At a mid-sized company, I led a team in implementing CI/CD pipelines for faster and more reliable software delivery.

    • In a large corporation, I worked on optimizing performanc...

  • Answered by AI
  • Q15. Why do you want to join this company?
  • Ans. 

    I am impressed by the company's innovative projects and strong reputation in the industry.

    • Company's reputation for cutting-edge technology

    • Opportunity to work on challenging projects

    • Positive reviews from current employees

  • Answered by AI
  • Q16. What is your notice period? Is it negotiable or not?
  • Ans. 

    My notice period is currently 3 months, but it may be negotiable depending on the circumstances.

    • My current notice period is 3 months

    • I am open to negotiation depending on the circumstances

    • I can provide examples of when I have negotiated notice periods in the past

  • Answered by AI

Interview Preparation Tips

Round: Resume Shortlist
Experience: Submitted resume online through portal and received the call. Technical Telephonic interview was scheduled.

Tips: Resume should be as per the desired profile.

Round: Technical Interview
Experience: In this round interviewer asks basic technical questions based on the previous experiences that was mentioned in my resume.
Tips: Study all the points mentioned in the resume very deeply.

Round: Technical Interview
Tips: Given your answers to the point. It should be in brief .

Round: HR Interview
Tips: Conversation should be in proper communication. Try to convince the HR for joining. Negotiate the salary as per the profile offered to you.

Skills: Technical Skill, Communication And Confidence, Team Working Ability

Skills evaluated in this interview

I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Telecom domine question
  • Q2. Auto Cad basics and experience on telecom and wireless based question

Interview Preparation Tips

Interview preparation tips for other job seekers - Only 2round for experience candidate

I applied via Approached by Company and was interviewed before Oct 2021. There were 3 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 - HR 

(2 Questions)

  • Q1. Relevant experience in breief?
  • Ans. Synopsis of work your are currently responsible for in the current job.
  • Answered by sturdyolive
  • Q2. Career highlights, Current role and responsibilities
  • Ans. Read your Resume in style like Pro
  • Answered by sturdyolive
Round 3 - Technical 

(2 Questions)

  • Q1. Hiring manager ask relevant questions
  • Ans. Just keep it the way you can make a positive impression in the end.
  • Answered by sturdyolive
  • Q2. Career highlights and role and responsibilities
  • Ans. Read resume in an impressive way
  • Answered by sturdyolive

Interview Preparation Tips

Interview preparation tips for other job seekers - Do not brag about things you are not responsible for coz the hiring manager will know in few questions

I applied via Recruitment Consultant and was interviewed in May 2019. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Capacity and coverage planning, ODSC channels and its coverage radius, TAC,LAC,NAC, RRC,eRAB, S1 signalling. LTE interfaces and their functions, PRB formations and no of PRB required to support single volt...
  • Q2. Why would you like to change?

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared for odds and competent with technologies

I applied via Recruitment Consultant and was interviewed in Oct 2019. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. Questions are general tell me something about yourself etc etc..
  • Q2. The Panel had 4 people and they throw questions one after another in series,
  • Q3. They will give you scenarios and will analyse your thought process and functional knowledge

Interview Preparation Tips

Interview preparation tips for other job seekers - Stay calm and focused listen carefully summarize the question to clear gap in understanding and articulate your answers well. rest will be easy

I applied via Recruitment Consultant and was interviewed before Sep 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Technical Questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Whatever they ask if u have .1% knowledge of it explain it
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
-
Result
Selected Selected

I applied via Naukri.com and was interviewed before Nov 2023. There were 4 interview rounds.

Round 1 - One-on-one 

(1 Question)

  • Q1. Data Structures and algorithms
Round 2 - One-on-one 

(2 Questions)

  • Q1. Dsa java angular
  • Q2. Sql queries and db related questions
Round 3 - One-on-one 

(1 Question)

  • Q1. Case study details
Round 4 - HR 

(1 Question)

  • Q1. Basic questions
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Codings were asked to write in java

AT&T Interview FAQs

How many rounds are there in AT&T Technical Specialist interview?
AT&T interview process usually has 4 rounds. The most common rounds in the AT&T interview process are Behavioral, HR and Resume Shortlist.
How to prepare for AT&T Technical Specialist 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 AT&T. The most common topics and skills that interviewers at AT&T expect are Information Technology, Product Management, Python, WiFi and Agile.
What are the top questions asked in AT&T Technical Specialist interview?

Some of the top questions asked at the AT&T Technical Specialist interview -

  1. They will test your technical expert...read more
  2. They will ask some managerial questi...read more

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AT&T Technical Specialist Interview Process

based on 1 interview

Interview experience

5
  
Excellent
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AT&T Technical Specialist Salary
based on 306 salaries
₹14 L/yr - ₹38 L/yr
60% more than the average Technical Specialist Salary in India
View more details

AT&T Technical Specialist Reviews and Ratings

based on 31 reviews

4.3/5

Rating in categories

3.9

Skill development

4.3

Work-life balance

4.2

Salary

3.8

Job security

4.0

Company culture

3.6

Promotions

4.0

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