Telebu Communications
https://telebu.comAbout
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Job Title: System Administrator (VoIP/Telephony) / Telephony Engineer (Telecommunications)
Company: Telebu Communications
Location: Hitech city, Madhapur, Hyderabad
Experience: 3–5 Years
Employment Type: Full Time
Salary: Up to CTC 50,000
About Telebu Communications
Telebu is a 20+ year-old product-based technology company offering enterprise communication solutions across SMS, Chat, Voice & Video platforms. Formerly known as SMSCountry Networks, Telebu has offices across India, Bahrain, UAE, Saudi Arabia, Qatar & USA.
Objective: We are looking for a System Administrator (VoIP) / Telephony Engineer (Telecommunications) to join our Telebu's Communications engineering Team. The Telebu will develop, implement and support IP Telephony related technologies including and not limited to IP Telephony, IVR platforms, Conferencing solutions, Voice engineering integration, Voice over IP (VoIP), Session Border Controllers (SBC), Session Initiation Protocol (SIP), WebRTC, and Public Switched Telephone Network (PSTN) gateways.
Responsibilities:
- Install & maintain Freeswtich and other SIP servers.
- Administration of SIP and Media Servers, Network/Protocol level debugging and testing, Contact center solutions, Troubleshoots and resolves complex problems.
- Provide IP Telephony and VoIP Subject Matter Expertise for Company and Company's managed service providers, manages 3rd party telecom carriers and providers.
Requirements:
- 3 years of hands-on industry experience in telecommunications
- Strong conceptualize knowledge and experience with telephony protocols like SIP, SDP, RTP, SRTP and audio/video codecs.
- In-depth working experience with Kamailio, Freeswitch, Any of the SIP stack (Sofia, reSIProcate, PJSIP, etc.), and Linux
- Experience in using the VoIP testing tools like Wireshark, VoIPMonitor, SIPp, SIPCapture, Homer etc.
- Strong understanding of implementing various network setups (Private VPNs, multi-zone secure connectivity etc)
Nice to have:
- Experience with virtualization/container related technologies (Xen, VMware vSphere / ESXi, Docker, Kubernetes)
- Hands on writing production quality code using any of the scripting languages like Python, Go, Erlang etc.
- Working knowledge in any NoSQL databases like MongoDB, Redis, Cassandra etc.
- Passionate about knowing everything about VoIP Protocol standards & related RFCs
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
.NETAs a Software Engineer (.Net Core), you will work on both the back-end and front-end of systems. This means you can develop fully fledged platforms (with databases, servers and clients) which don’t need other applications to function. This includes using a range of different technologies and languages (such as ASP.NET, ADO.NET, C#, ASP.NET MVC, HTML) to develop applications for both user experience and functionality.
⸻
Responsibilities:
• Participating in the design and creation of scalable software
• Writing clean, functional code on the front-end and back-end
• Will be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment
• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design
• Manage existing applications
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Troubleshoot, debug and upgrade software
• Build features and applications with a mobile responsive design
⸻
Requirements:
• Bachelor’s Degree in Computers / IT
• Proven experience as a .NET Developer or at a similar role (ASP.NET, C#, VB.NET, ADO.NET)
• Should have a strong knowledge on SQL Server
• Strong knowledge on OOPS concepts
• Knowledge on debugging the code
• Experience in Angular will be strong plus
• Familiarity with common stacks
• Should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries
• Should be familiar with Agile methodologies
• Excellent communication and teamwork skills
• An analytical mind
⸻
Location:
Work from office - Full-time - 5 Days Week
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
Junior System Administrator (VoIP/Telephony) / Telephony Engineer (Telecommunications)
No. of Positions - 1
We are looking for a Junior System Administrator (VoIP) / Telephony Engineer (Telecommunications) to join our Telebu's Communications engineering Team. The Telebuin will develop, implement and support IP Telephony related technologies including and not limited to IP Telephony, IVR platforms, Conferencing solutions, Voice engineering integration, Voice over IP (VoIP), Session Border Controllers (SBC), Session Initiation Protocol (SIP), WebRTC, and Public Switched Telephone Network (PSTN) gateways.
Responsibilities:
- Install & maintain Freeswtich and other SIP servers.
- Administration of SIP and Media Servers, Network/Protocol level debugging and testing, Contact center solutions, Troubleshoots and resolves complex problems.
- Provide IP Telephony and VoIP Subject Matter Expertise for Company and Company's managed service providers, manages 3rd party telecom carriers and providers.
Requirements:
- 3 years of hands-on industry experience in telecommunications
- Strong conceptualize knowledge and experience with telephony protocols like SIP, SDP, RTP, SRTP and audio/video codecs.
- In-depth working experience with Kamailio, Freeswitch, Any of the SIP stack (Sofia, reSIProcate, PJSIP, etc.), and Linux
- Experience in using the VoIP testing tools like Wireshark, VoIPMonitor, SIPp, SIPCapture, Homer etc.
- Strong understanding of implementing various network setups (Private VPNs, multi-zone secure connectivity etc)
Nice to have:
- Experience with virtualization/container related technologies (Xen, VMware vSphere / ESXi, Docker, Kubernetes)
- Hands on writing production quality code using any of the scripting languages like Python, Go, Erlang etc.
- Working knowledge in any NoSQL databases like MongoDB, Redis, Cassandra etc.
- Passionate about knowing everything about VoIP Protocol standards & related RFCs
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
Job Title:
Technical Support – L1/L2 (Application Support + System Administration)
Location:
Hyderabad, India (Work from Office)
Shift: US Shift (Night), Rotational including weekends
Company:
Telebu Communications
Job Summary:
Telebu Communications is hiring three (3) Technical Support Engineers (L1/L2) to join our night shift support team. The ideal candidates will have 2–4 years of experience in application support, with a solid understanding of system administration basics. This is a full-time, office-based role in Hyderabad, involving rotational shifts including weekends, aligned to US hours.
Key Responsibilities:
- Provide L1/L2 support for enterprise applications, ensuring smooth performance and minimal downtime.
- Respond to user queries and technical issues via tickets, calls, or chats within defined SLAs.
- Troubleshoot application-level errors, configuration issues, login/access problems, and usage concerns.
- Monitor system alerts, logs, and performance dashboards to proactively identify issues.
- Perform routine health checks and validation for applications and basic infrastructure.
- Support incident and change management processes; document RCA and resolution steps.
- Coordinate with product, engineering, and DevOps teams for issue escalation and resolution.
- Perform basic server-level troubleshooting, user access control, and patch deployments.
- Maintain internal knowledge base, documentation, and SOPs for recurring support tasks.
- Assist with deployments, updates, and minor configuration changes during off-hours.
Required Skills:
- 2–4 years of experience in application support (L1/L2).
- Good troubleshooting skills for web-based applications and enterprise tools.
- Basic understanding of system administration (Windows/Linux environments).
- Familiarity with ticketing tools (e.g., Jira, Freshdesk, Zendesk).
- Basic networking and DB support knowledge (e.g., ability to run queries, take backups).
- Clear communication skills for effective issue resolution and stakeholder coordination.
- Ability to manage priorities, handle pressure, and work independently during night shifts.
Preferred Skills:
- Experience in production support for SaaS or enterprise software.
- Familiarity with monitoring tools (e.g., Grafana, Nagios, CloudWatch).
- Knowledge of scripting (PowerShell, Bash) is a plus.
- Exposure to cloud environments (AWS, Azure, GCP) is an advantage.
About Telebu:
Established in 2003, Telebu is a 20+ year-old technology driven product based company that helps enterprises build better relationships with their customers and employees using SMS, Chat, Voice & Video products, APIs and SDKs. We were earlier known as SMSCountry Networks until our rebrand to Telebu in 2018. The word Telebu combines Telecommunication and Business. Offices spread across India (HQ in Hyderabad), Manama (Bahrain), Dubai (UAE), Al-Khobar (KSA), Muscat (Oman), Doha (Qatar), USA and Hong Kong.
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
HTML/CSS
React.js
Angular (2+)
AngularJS (1.x)Job Title:
Front-End UI Software Developer
📍 Location: CoKarma, Madhapur, Hyderabad
🕘 Work Mode: On-site (Monday to Friday)
🏢 Department: Product Engineering
About Telebu:
Founded in 2003, Telebu Communications is a 20+ year-old technology-driven, product-based company that helps enterprises build better relationships with their customers and employees. We offer cutting-edge communication tools across SMS, Voice, Video, and Chat via APIs, SDKs, and SaaS platforms.
With offices across India, the Middle East, and the US, we are committed to delivering seamless and scalable communication solutions to clients globally.
Role Overview:
We are looking for a Front-End UI Software Developer with a keen eye for detail, design sensibility, and technical proficiency. You’ll collaborate with UX designers and backend developers to bring stunning and intuitive interfaces to life for our communication products.
If you’re passionate about crafting clean, scalable, and responsive web interfaces — we’d love to meet you.
Key Responsibilities:
- Build and maintain responsive user interfaces using HTML5, CSS3, and JavaScript.
- Develop front-end features using React.js, Angular, or any modern front-end framework.
- Work closely with product designers and backend developers to implement sleek and user-centric UI designs.
- Optimize components for maximum speed and scalability.
- Ensure cross-browser compatibility and mobile responsiveness.
- Debug UI-related issues and improve application performance.
- Stay up to date with the latest UI/UX trends, front-end technologies, and coding practices.
Key Requirements:
- 1–3 years of experience in front-end development.
- Proficient in HTML5, CSS3, and JavaScript.
- Hands-on experience in React.js, Angular, or Vue.js.
- Experience with RESTful APIs and integrating UI with backend systems.
- Familiarity with version control tools like Git.
- Knowledge of UI frameworks like Bootstrap or Material UI is a plus.
- Strong understanding of responsive and adaptive design principles.
- Good communication skills and team spirit.
Perks & Benefits:
- 5-day work week (Monday to Friday)
- Dynamic work culture with exposure to global projects
- Office location in the heart of Hyderabad’s tech hub – CoKarma, Madhapur
- Opportunity to work on impactful, large-scale communication products
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