About sri lanka telecom
Company Description
Sri Lanka Telecom (SLT) is the leading telecommunications service provider in Sri Lanka, offering a comprehensive range of services including fixed-line and mobile telephony, broadband, and digital services. Established in 1991, SLT has transformed the telecom landscape of the country, playing a vital role in connecting people and businesses. The company is committed to innovation and customer satisfaction, continuously investing in cutting-edge technology to enhance service delivery. SLT fosters a dynamic work environment that encourages collaboration, creativity, and professional growth, promoting a culture of integrity, inclusivity, and excellence.
Job Roles Interview Questions
1. Network Engineer
2. Customer Service Executive
3. Sales Executive
4. Software Developer
5. Marketing Specialist
Network Engineer Interview Questions
Q1: What is the primary role of a Network Engineer in a telecom company?
The primary role of a Network Engineer is to design, implement, and maintain the organization’s network infrastructure, ensuring optimal performance and reliability of communication services.
Q2: Can you explain what a VPN is and its importance?
A VPN (Virtual Private Network) allows secure remote access to a private network over the internet. It encrypts data, ensuring privacy and security for users connecting to the network.
Q3: What tools or software do you use for network monitoring?
I typically use tools like Wireshark for packet analysis, SolarWinds for network performance monitoring, and Nagios for infrastructure monitoring.
Q4: How do you approach troubleshooting network issues?
I follow a systematic approach: identify the problem, gather relevant data, analyze the information, and use diagnostic tools to pinpoint the issue, then implement a solution and test to ensure it’s resolved.
Q5: Describe your experience with routing protocols.
I have experience with various routing protocols such as OSPF, EIGRP, and BGP, focusing on configuring and optimizing them for efficient data transfer and network resilience.
Customer Service Executive Interview Questions
Q1: What do you believe is the most important quality for a customer service representative?
Empathy is crucial, as it allows a representative to understand the customer's perspective and provide tailored solutions to their concerns.
Q2: How would you handle a difficult customer?
I would listen actively to the customer's concerns, remain calm, and show understanding. I would then work to find a resolution that satisfies the customer while adhering to company policies.
Q3: Can you describe a time when you went above and beyond for a customer?
In my previous role, a customer was facing an urgent issue with their service. I escalated the matter to management and arranged for a technician to visit the same day, ensuring minimal disruption to their service.
Q4: What tools do you use for managing customer interactions?
I have experience using CRM software like Salesforce and Zendesk for tracking customer inquiries and maintaining communication logs.
Q5: How do you prioritize tasks when handling multiple customer requests?
I prioritize based on urgency and impact on the customer’s experience, addressing critical issues first while managing my time effectively to ensure all requests are handled promptly.
Sales Executive Interview Questions
Q1: What techniques do you use to identify potential clients?
I utilize market research, networking events, and referrals, and leverage social media platforms to connect with potential clients and identify their needs.
Q2: How do you handle objections from potential clients?
I listen to their concerns, validate their feelings, and provide clear information that addresses their objections, highlighting the benefits of our services.
Q3: Can you describe your sales process?
My sales process includes prospecting, contacting potential clients, understanding their needs, presenting tailored solutions, negotiating terms, and following up to close the deal.
Q4: What metrics do you track to measure your sales performance?
I track metrics such as conversion rates, sales volume, client retention rates, and overall revenue generated to evaluate my performance.
Q5: How do you stay motivated in a competitive sales environment?
I set personal goals, celebrate small wins, and continuously seek feedback to improve my skills, which keeps me focused and motivated.
Software Developer Interview Questions
Q1: What programming languages are you proficient in?
I am proficient in languages such as Java, Python, and JavaScript, and I have experience in both front-end and back-end development.
Q2: Can you explain the software development lifecycle?
The software development lifecycle includes stages like planning, designing, developing, testing, deploying, and maintaining software applications.
Q3: How do you ensure code quality and maintainability?
I follow coding standards, conduct code reviews, and write unit tests to ensure that the code is clean, efficient, and easy to maintain.
Q4: Describe a challenging project you worked on and how you overcame obstacles.
In a recent project, we faced tight deadlines and technical issues. I facilitated team collaboration, prioritized tasks, and leveraged agile methodologies to ensure we met our goals on time.
Q5: What tools do you use for version control?
I use Git for version control, allowing for collaborative development and tracking changes in the codebase effectively.
Marketing Specialist Interview Questions
Q1: What is your approach to developing a marketing strategy?
I start with market research to understand the target audience, set clear objectives, and then develop a multi-channel strategy that includes digital and traditional marketing tactics.
Q2: How do you measure the success of a marketing campaign?
I track key performance indicators (KPIs) such as engagement rates, conversion rates, and return on investment (ROI) to evaluate the effectiveness of a campaign.
Q3: Can you describe a successful marketing campaign you managed?
I managed a digital campaign that increased our social media following by 50% in three months by creating engaging content and leveraging influencer partnerships.
Q4: What digital marketing tools are you familiar with?
I am familiar with tools like Google Analytics, Hootsuite for social media management, and Mailchimp for email marketing.
Q5: How do you keep up with the latest marketing trends?
I follow industry blogs, participate in webinars, and attend marketing conferences to stay updated on trends and best practices in the marketing field.
sri lanka telecom Interview Questions and Answers
Updated 21 Feb 2026Technical Support Engineer Interview Experience
Candidate: Kamal Rajapaksha
Experience Level: Senior
Applied Via: Recruitment agency
Difficulty: Hard
Final Result: Rejected
Interview Process
4 rounds
Questions Asked
- Explain how you diagnose hardware vs software issues.
- Describe your experience with telecom equipment.
- How do you prioritize support tickets?
- Have you managed a support team before?
- Technical scenario: Resolve a network connectivity problem remotely.
Advice
Gain hands-on experience with telecom hardware and improve problem-solving speed under pressure.
Full Experience
I was contacted by a recruitment agency and went through multiple rounds including technical tests, practical problem-solving, and management interviews. The process was intense and competitive. Although I was not selected, it was a valuable learning experience.
Sales Executive Interview Experience
Candidate: Anjali Fernando
Experience Level: Mid-level
Applied Via: LinkedIn job posting
Difficulty:
Final Result:
Interview Process
3 rounds
Questions Asked
- How do you approach a new client?
- Describe your sales achievements.
- What strategies do you use to meet targets?
- How do you handle rejection in sales?
- Role-play: Sell a telecom package to me.
Advice
Prepare real examples of your sales success and practice role-playing sales pitches.
Full Experience
I applied via LinkedIn and was invited for a phone screening, followed by two in-person interviews. The role-play sales pitch was challenging but rewarding. The interviewers were friendly and professional.
Customer Service Representative Interview Experience
Candidate: Ruwan Silva
Experience Level: Junior
Applied Via: Walk-in interview
Difficulty: Easy
Final Result:
Interview Process
2 rounds
Questions Asked
- How do you handle an angry customer?
- Describe a time you provided excellent customer service.
- Are you comfortable working in shifts?
- Why do you want to work at Sri Lanka Telecom?
Advice
Be polite and demonstrate good communication skills. Show willingness to learn and adapt to shift work.
Full Experience
I visited the Sri Lanka Telecom office for a walk-in interview. The first round was a short screening by HR, and the second was a face-to-face interview focusing on customer handling scenarios. The process was quick and straightforward.
Software Developer Interview Experience
Candidate: Samantha Jayawardena
Experience Level: Entry-level
Applied Via: Referral from a current employee
Difficulty:
Final Result: Rejected
Interview Process
4 rounds
Questions Asked
- Explain object-oriented programming concepts.
- Write a function to reverse a linked list.
- What is REST API and how have you used it?
- Describe a challenging bug you fixed.
- How do you ensure code quality?
Advice
Practice coding problems and be prepared to explain your thought process clearly. Also, understand the company’s tech stack.
Full Experience
I was referred by a friend and went through an initial coding test, followed by two technical interviews and a final HR round. The technical rounds were quite challenging, especially the live coding session. Although I didn’t get the job, the experience helped me improve.
Network Engineer Interview Experience
Candidate: Nimal Perera
Experience Level: Mid-level
Applied Via: Online application via company website
Difficulty:
Final Result:
Interview Process
3 rounds
Questions Asked
- Explain the OSI model layers.
- How do you troubleshoot a network outage?
- Describe your experience with Cisco routers and switches.
- What is subnetting and why is it important?
- Scenario: How would you handle a sudden drop in network performance?
Advice
Brush up on networking fundamentals and practical troubleshooting scenarios. Be ready to discuss your past projects in detail.
Full Experience
I applied through the Sri Lanka Telecom careers page. The first round was an online technical test focusing on networking concepts. The second was a technical interview with scenario-based questions. The final round was an HR interview assessing cultural fit. Overall, the process was thorough but fair.
Frequently Asked Questions in sri lanka telecom
Have a question about the hiring process, company policies, or work environment? Ask the community or browse existing questions here.
Common Interview Questions in sri lanka telecom
Q: In a sports contest there were m medals awarded on n successive days (n > 1). 1. On the first day 1 medal and 1/7 of the remaining m - 1 medals were awarded. 2. On the second day 2 medals and 1/7 of the now remaining medals was awarded; and so on.On the nth and last day, the remaining n medals were awarded.How many days did the contest last, and how many medals were awarded altogether?
Q: A man has a wolf, a goat, and a cabbage. He must cross a river with the two animals and the cabbage. There is a small rowing-boat, in which he can take only one thing with him at a time. If, however, the wolf and the goat are left alone, the wolf will eat the goat. If the goat and the cabbage are left alone, the goat will eat the cabbage. How can the man get across the river with the two animals and the cabbage?
Q: A hare and a tortoise have a race along a circle of 100 yards diameter. The tortoise goes in one directionand the hare in the other. The hare starts after the tortoise has covered 1/5 of its distance and that too leisurely.The hare and tortoise meet when the hare has covered only 1/8 of the distance. By what factor should the hareincrease its speed so as to tie the race?
Q: A rich merchant had collected many gold coins. He did not want anybody to know about them. One day his wife asked, "How many gold coins do we have?" After pausing a moment, he replied, "Well! If I divide the coins into two unequal numbers, then 32 times the difference between the two numbers equals the difference between the squares of the two numbers."The wife looked puzzled. Can you help the merchant's wife by finding out how many gold coins they have?
Q: 9 cards are there. You have to arrange them in a 3*3 matrix. Cards are of 4 colors. They are red, yellow, blue and green. Conditions for arrangement: one red card must be in first row or second row. 2 green cards should be in 3rd column. Yellow cards must be in the 3 corners only. Two blue cards must be in the 2nd row. At least one green card in each row.
Q: A rich man died. In his will, he has divided his gold coins among his 5 sons, 5 daughters and a manager. According to his will: First give one coin to manager. 1/5th of the remaining to the elder son.Now give one coin to the manager and 1/5th of the remaining to second son and so on..... After giving coins to 5th son, divided the remaining coins among five daughters equally.All should get full coins. Find the minimum number of coins he has?
Q: Consider a pile of Diamonds on a table. A thief enters and steals 1/2 of the total quantity and then again 2 extra from the remaining. After some time a second thief enters and steals 1/2 of the remaining+2. Then 3rd thief enters and steals 1/2 of the remaining+2. Then 4th thief enters and steals 1/2 of the remaining+2. When the 5th one enters he finds 1 diamond on the table. Find out the total no. of diamonds originally on the table before the 1st thief entered.
Q: A light bulb is hanging in a room. Outside of the room there are three switches, of which only one is connected to the lamp. In the starting situation, all switches are 'off' and the bulb is not lit. If it is allowed to check in the room only once.How would you know which is the switch?
Q: There are 3 sticks placed at right angles to each other and a sphere is placed between the sticks . Now another sphere is placed in the gap between the sticks and Larger sphere . Find the radius of smaller sphere in terms of radius of larger sphere.
Q: At 6?o a clock ticks 6 times.The time between first and last ticks is 30 seconds.How long does it tick at 12?o clock?2.A hotel has 10 storey. Which floor is above the floor below the floor, below the floor above the floor, below the floor above the fifth.
Q: Every day a cyclist meets a train at a particular crossing .The road is straight before the crossing and both are travelling in the same direction.Cyclist travels with a speed of 10 kmph.One day the cyclist come late by 25 minutes and meets the train 5 km before the crossing.What is the speed of the train?
Q: There are 7 letters A,B,C,D,E,F,GAll are assigned some numbers from 1,2 to 7.B is in the middle if arranged as per the numbers.A is greater than G same as F is less than C.G comes earlier than E.Which is the fourth letter
Q: Jarius and Kylar are playing the game. If Jarius wins, then he wins twice as many games as Kylar. If Jarius loses, then Kylar wins as the same number of games that Jarius wins. How many do Jarius and Kylar play before this match?
Q: Give two dice - one is a standard dice, the other is blank (nothing painted on any of the faces). The problem is to paint the blank dice in such a manner so that when you roll both of them together, the sum of both the faces should lie between 1 and 12. Numbers from 1-12 (both inclusive) equally likely.
Q: Raj has a jewel chest containing Rings, Pins and Ear-rings. The chest contains 26 pieces. Raj has 2 and 1/2 times as many rings as pins, and the number of pairs of earrings is 4 less than the number of rings. How many earrings does Raj have?...
Q: Given a collection of points P in the plane , a 1-set is a point in P that can be separated from the rest by a line, .i.e the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P)....
Q: Consider a series in which 8 teams are participating. each team plays twice with all other teams. 4 of them will go to the semi final. How many matches should a team win, so that it will ensure that it will go to semi finals.?
Q: Jack and his wife went to a party where four other married couples were present. Every person shook hands with everyone he or she was not acquainted with. When the handshaking was over, Jack asked everyone, including his own wife, how many hands they shook?
Q: An escalator is descending at constant speed. A walks down and takes 50 steps to reach the bottom. B runs down and takes 90 steps in the same time as A takes 10 steps. How many steps are visible when the escalator is not operating.Â
Q: A family X went for a vacation. Unfortunately it rained for 13 days when they were there. But whenever it rained in the mornings, they had clear afternoons and vice versa. In all they enjoyed 11 mornings and 12 afternoons. How many days did they stay there totally?
