Upload Button Icon Add office photos
Engaged Employer

i

This company page is being actively managed by Ciena Team. If you also belong to the team, you can get access from here

Ciena Verified Tick

Compare button icon Compare button icon Compare

Filter interviews by

Ciena Interview Questions, Process, and Tips for Experienced

Updated 19 Mar 2025

Top Ciena Interview Questions and Answers for Experienced

View all 12 questions

Ciena Interview Experiences for Experienced

Popular Designations

18 interviews found

Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Sort an unsorted array without inbuilt methods
  • Ans. 

    Implement a sorting algorithm to sort an unsorted array of strings without using inbuilt methods.

    • Use a sorting algorithm like bubble sort, selection sort, or insertion sort to manually sort the array.

    • Compare each element with the next one and swap them if they are in the wrong order.

    • Repeat this process until the array is sorted.

    • Example: ['banana', 'apple', 'cherry'] -> ['apple', 'banana', 'cherry']

  • Answered by AI

Python Automation Engineer Interview Questions asked at other Companies

Q1. Find the largest no. to be created from the list of numbers in the string format. Example ['234', 56','100'] -> 56234100
View answer (2)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

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

Round 1 - Technical 

(3 Questions)

  • Q1. Questions like Linux memory model
  • Q2. U-boot handoff to Linux kernel
  • Ans. 

    U-boot hands off control to Linux kernel during boot process.

    • U-boot loads Linux kernel image into memory

    • U-boot sets up necessary parameters for Linux kernel

    • U-boot passes control to Linux kernel by jumping to its entry point

    • Linux kernel takes over and initializes system hardware

  • Answered by AI
  • Q3. Semaphore vs Mutex
  • Ans. 

    Semaphore is a signaling mechanism to control access to a shared resource, while Mutex is a locking mechanism to ensure only one thread accesses a resource at a time.

    • Semaphore can allow multiple threads to access a shared resource simultaneously, while Mutex ensures only one thread can access the resource at a time.

    • Mutex is more restrictive than Semaphore as it provides exclusive access to a resource, while Semaphore c...

  • Answered by AI
Round 2 - HR 

(1 Question)

  • Q1. Where do you see yourself after 5/10 years

Skills evaluated in this interview

Software Designer Interview Questions asked at other Companies

Q1. Write code to reverse string without using string or inbuilt function
View answer (2)
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

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

  • Q1. What is your roles and responsibilities ?
  • Ans. 

    As a Business Analyst, I bridge the gap between stakeholders and IT, ensuring project requirements are met effectively.

    • Gather and analyze business requirements from stakeholders, e.g., conducting interviews and workshops.

    • Create detailed documentation, such as business requirement documents (BRDs) and functional specifications.

    • Facilitate communication between technical teams and business units to ensure alignment on pro...

  • Answered by AI
  • Q2. How do you manage stakeholders ?
  • Ans. 

    Effective stakeholder management involves communication, understanding needs, and building relationships for project success.

    • Identify stakeholders: Map out all stakeholders involved in the project, such as clients, team members, and executives.

    • Understand their needs: Conduct interviews or surveys to gather insights on their expectations and concerns.

    • Regular communication: Schedule regular updates through meetings or re...

  • Answered by AI
  • Q3. What is your techniques for requirement gathering?
  • Ans. 

    Effective requirement gathering involves various techniques to ensure comprehensive understanding of stakeholder needs.

    • Interviews: Conduct one-on-one sessions with stakeholders to gather detailed insights. For example, interviewing doctors to understand patient management systems.

    • Surveys and Questionnaires: Distribute structured forms to collect quantitative data from a larger audience. For instance, using surveys to a...

  • Answered by AI

Business Analyst Interview Questions asked at other Companies

Q1. You have 10 boxes of balls (each ball weighing exactly10 gm) with one box with defective balls (each one of the defective balls weigh 9 gm). You are given an electronic weighing machine and only one chance at it. How will you find out which... read more
View answer (9)

Interview Questions & Answers

user image Anonymous

posted on 11 Mar 2024

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
More than 8 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Oct 2023. There were 3 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Question related to domain
Round 2 - Technical 

(1 Question)

  • Q1. Question related to data structures
Round 3 - HR 

(1 Question)

  • Q1. Experience and role fitment

Ciena interview questions for popular designations

 Software Engineer

 (5)

 Embedded Software Engineer

 (3)

 C Developer

 (2)

 Module Lead

 (2)

 Embedded Software Developer

 (2)

 Senior Test Engineer

 (2)

 Technical Lead

 (1)

 Software Developer

 (1)

Interview experience
4
Good
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Sep 2023. There were 4 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Basic idea about what all technologies written in resume
  • Q2. Current role etc
Round 2 - Technical 

(2 Questions)

  • Q1. L2/L3 protocols
  • Q2. In depth protocol knowledge
Round 3 - Technical 

(2 Questions)

  • Q1. L2/L3 Protocols
  • Q2. Deep dive into latest project
  • Ans. 

    Developed a web application for tracking and analyzing user behavior

    • Used React.js for front-end development

    • Implemented data visualization using D3.js

    • Utilized Node.js and Express for back-end development

    • Integrated with MongoDB for data storage

  • Answered by AI
Round 4 - HR 

(2 Questions)

  • Q1. General discussion as usual with HR
  • Q2. Salary, compensation etc

Technical Lead Interview Questions asked at other Companies

Q1. 1. Explain 5 mins the flow from requirement analysis to production deployment and tools used in the process. 2. What is auto-scaling in a microservices architecture? 3. Difference between micro-service and serverless. 4. If you were going t... read more
View answer (4)

Get interview-ready with Top Ciena Interview Questions

QA Manager Interview Questions & Answers

user image Anonymous

posted on 7 Nov 2022

I applied via Referral and was interviewed in Oct 2022. 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 - Technical 

(1 Question)

  • Q1. Round1 is more of knowing the person and what all he/she has done. Following points should keep in mind while preparing : 1. Share your current role and detail about project well and clearly. 2. Have stro...
Round 3 - One-on-one 

(1 Question)

  • Q1. Round 2 was more of managerial and thought process. Also discussed on various aspects of project and how to handle and manage them. How to solve problem with in team How to support and grow team How did yo...

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well and be confident while giving answers. If you do not know something do mention it clearly and say there is always an opportunity to learn.

QA Manager Interview Questions asked at other Companies

Q1. List of the essential documents which are must be submitted for a successful 3rd party inspection ?
View answer (2)

QA Engineer Interview Questions & Answers

user image Anonymous

posted on 11 Aug 2022

Round 1 - Technical 

(1 Question)

  • Q1. All BGP related Questions
Round 2 - Technical 

(1 Question)

  • Q1. All MPLS related Questions
Round 3 - Technical 

(1 Question)

  • Q1. All about writing test cases respect to BGP testing

Interview Preparation Tips

Interview preparation tips for other job seekers - HR questions and salary negotiations. Deciding i will permanent work from home employee

QA Engineer Interview Questions asked at other Companies

Q1. 80 pairs of socks in a dark room, 40 black, 40 white, how many minimum number of socks need to be taken out to get 15 pairs of socks
View answer (9)

Interview Questions & Answers

user image Anonymous

posted on 27 Apr 2024

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed before Apr 2023. There were 3 interview rounds.

Round 1 - Coding Test 

Online portal test specific to your selected language, 2 programs

Round 2 - Technical 

(1 Question)

  • Q1. Python data structure questions, some automation framework questions
Round 3 - HR 

(1 Question)

  • Q1. Why did you choose ciena? Why did you decided to leave your old org?

Interview Questions & Answers

user image Anonymous

posted on 3 Sep 2023

Interview experience
4
Good
Difficulty level
Easy
Process Duration
More than 8 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Sep 2022. 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 - HR 

(1 Question)

  • Q1. Need baesd depending on availability of the resources in the market
Round 3 - Behavioral 

(1 Question)

  • Q1. Introduction and expectation setting
Round 4 - Behavioral 

(1 Question)

  • Q1. Discussion with manager -- just a formality as the background check was on .

Cloud Analyst Interview Questions & Answers

user image Anonymous

posted on 20 Apr 2022

I applied via Naukri.com and was interviewed in Jul 2021. 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. Question about current role and knowledge based on what technology are mentioned in the resume, like AWS(cloud platform) and the services. Knowledge of CI\D, programming skills in any language (python)
Round 3 - One-on-one 

(1 Question)

  • Q1. Some architectural design questions, in-depth questions about your contribution towards the projects that you have worked in.
Round 4 - One-on-one 

(1 Question)

  • Q1. Management rookne, to check team fittment, communication, attitude towards work

Interview Preparation Tips

Interview preparation tips for other job seekers - Use good keywords on resume, keep it short and crisp and don’t lie on resume.
Brush up on networking concepts in cloud.

Cloud Analyst Interview Questions asked at other Companies

Q1. How to replicate an encrypted EBS backed store from one region to another region which should be unencrypted in AWS
View answer (1)

Ciena Interview FAQs

How many rounds are there in Ciena interview for experienced candidates?
Ciena interview process for experienced candidates usually has 3 rounds. The most common rounds in the Ciena interview process for experienced candidates are Technical, HR and Resume Shortlist.
How to prepare for Ciena interview for experienced candidates?
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 Ciena. The most common topics and skills that interviewers at Ciena expect are Python, Networking, Linux, Java and Software Development.
What are the top questions asked in Ciena interview for experienced candidates?

Some of the top questions asked at the Ciena interview for experienced candidates -

  1. Given a list of numbers in an array ,traverse the array in a way so as to jump ...read more
  2. ex1 ) dict = {'abab' , 'aba', 'xyz', 'xyx'} pattern {'aba'} output {'aba' , 'xy...read more
  3. given the frequency of three letters 'a' 'b' and 'c'..form the largest string b...read more
How long is the Ciena interview process?

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

Tell us how to improve this page.

Ciena Interview Process for Experienced

based on 4 interviews

Interview experience

3.5
  
Good
View more

Interview Questions from Similar Companies

Jio Interview Questions
4.0
 • 1.9k Interviews
Vodafone Idea Interview Questions
4.0
 • 561 Interviews
Ericsson Interview Questions
4.1
 • 415 Interviews
Nokia Interview Questions
4.1
 • 267 Interviews
BT Group Interview Questions
3.9
 • 183 Interviews
Verizon Interview Questions
4.1
 • 111 Interviews
AT&T Interview Questions
4.1
 • 53 Interviews
Telstra Interview Questions
4.0
 • 49 Interviews
CommScope Interview Questions
3.7
 • 34 Interviews
View all

Ciena Reviews and Ratings

based on 369 reviews

4.2/5

Rating in categories

3.9

Skill development

4.2

Work-life balance

4.2

Salary

3.8

Job security

4.3

Company culture

3.6

Promotions

4.0

Work satisfaction

Explore 369 Reviews and Ratings
Software Engineer
193 salaries
unlock blur

₹10.3 L/yr - ₹41.2 L/yr

Software Engineer2
165 salaries
unlock blur

₹14 L/yr - ₹36 L/yr

Senior Software Engineer
130 salaries
unlock blur

₹12 L/yr - ₹32.5 L/yr

Module Lead
76 salaries
unlock blur

₹13 L/yr - ₹38.5 L/yr

Software Developer
67 salaries
unlock blur

₹10 L/yr - ₹28 L/yr

Explore more salaries
Compare Ciena with

Jio

4.0
Compare

Vodafone Idea

4.0
Compare

Ericsson

4.1
Compare

Nokia

4.1
Compare
Did you find this page helpful?
Yes No
write
Share an Interview