VoIP Engineer (5-8 Years)

We are a fun-loving, energetic and fast growing company that breathes innovation. We strive to give an unparalleled experience to our customers and win them for life. One in every 24 people on this planet is served by Airtel. Here, we put our customers at the heart of everything we do. We encourage our people to push boundaries and evolve from skilled professionals of today to risk-taking entrepreneurs of tomorrow. We hire people from every realm and offer them opportunities that encourage individual and professional growth. We are always looking for people who are thinkers & doers; people with passion, curiosity & conviction; people who are eager to break away from conventional roles and do 'jobs never done before.

Job Summary:

Seeking an experienced VoIP Engineer with 2+ years of expertise in open-source technologies like Asterisk, Kamailio, and RTPengine. Responsible for designing, implementing, and maintaining VoIPsystems for optimal performance and reliability. Collaborate with cross-functional teams to deliver high-quality voice communication solutions. Join our team if you are passionate about open-source technologies and possess a deep understanding of VoIP protocols.

Responsibilities:

• Own all aspects of VoIP systems (Asterisk, Kamailio, RTPengine) from design of new features, to the implementation, QA, deployment to production, troubleshooting and maintenance.
• Be the subject matter expert for any VoIP related question coming from different parts of the company.
• Integrate VoIP systems into new and existing applications.
• Identify, optimize and resolve issues related to latency, scalability and performance.
• Monitor system performance, analyse traffic patterns, and suggest improvements.
• Automate processes that allow for faster deployment cycles and capacity scaling.
• Stay updated with VoIP and open-source software advancements.
• Participate in on-call rotations and respond to system emergencies.

Qualifications (Candidate Profile):

The candidate must have:

• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent work experience).
• 2+ years of experience with VoIP, SIP/RTP and with open-source technologies.
• 2+ years of professional software development experience with C/C++/Golang building multi-threaded and highly performant client/server applications.
• Familiarity/Experience with open-source VoIP platform Asterisk/FreeSWITCH, Kamailio/OpenSIPS, RTPEngine in Linux environment.
• Experience with IP telephony and Networking protocols (SIP, RTP, RTCP, T.38, ISUP, TLS, STUN, TURN, WebRTC, T38).
• Full-stack troubleshooting skills across network, application, hardware and any distributed service stack.
• Proficiency in Linux and shell scripting.
• Excellent problem-solving and communication skills.
• Self-motivated and proactive learner.