At Ericsson, you can be a game changer! Because working here isn’t just a deal. It’s a big deal. This means that you get to leverage our 140+ years of experience and the expertise of more than 95,000 diverse colleagues worldwide. As part of our team, you will help solve some of society´s most complicated challenges, enabling you to be ‘the person that did that.’ We’ve never had a greater opportunity to drive change; setting the bar for technology to be inclusive and accessible; empowering an intelligent, sustainable, and connected world.

Are you in?


Job Description

Date: Feb 7, 2020

Ericsson is one of the leading providers of Information and Communication Technology (ICT) to service providers. We enable the full value of connectivity by creating game-changing technology and services that are easy to use, adopt, and scale, making our customers successful in a fully connected world. Headquartered in Stockholm, Sweden, Ericsson is proud of its global presence across 100+ countries and market areas. With a strong focus on innovation, we possess 49 thousand registered patents and a global strength of over 95 thousand competent professionals. We also take pride in supporting networks that cater to a capacity of 40 percent of the world’s mobile traffic, thereby connecting more than 2.5 billion subscribers and counting. We are a world leader in the rapidly changing environment of communications technology – by providing hardware, software, and services to enable the full value of connectivity.


Competency : R&D-MTAS


Job Summary:

This is a Senior Technical Lead position at Ericsson R&D Bangalore where you get to work with a team of highly motivated engineers in delivering Ericsson's Multimedia Telephony Application Server (MTAS) features for VoLTE, VoWifi and other IMS enabled solutions.


MTAS is Ericsson’s Session Initiation Protocol (SIP) application server for IP telephony and multimedia which meets all necessary large network telephony requirements. It is designed for Voice over LTE (VoLTE) enhanced with multimedia and convergence with PSTNs. MTAS is part of Ericsson's IMS solution portfolio.


Within MTAS VNF Development organization, Agile methodology and philosophy are practiced in spirit. A relatively flat system of cross-functional teams reporting into line managers who then report to a VNF Development Center Head.


An Ideal Candidate would possess the following:

  • 5-10 years of overall IMS product test experience with a minimum of 1 year of that on virtualized telecom carrier grade product.
  • MUST HAVE strong TTCN hands on programming skills
  • MUST HAVE Strong knowledge of IMS nodes, SIP, MEGACO and Diameter protocols
  • Experience in testing solutions running on OpenStack environment using KVM/VMware hypervisors is a plus
  • Creative problem solving skills and excellent troubleshooting / debugging skills
  • Working knowledge of Python / PERL or any scripting language
  • Working knowledge of C++ programming is a plus.
  • Can work in and technically lead an Agile cross functional team
  • IMS architecture and 3GPP specs knowledge, GSMA\VoLTE specs
  • Ability to breakdown down customer requirements into user story based team backlog
  • Solid work ethic, customer focus, team player with passion for delivering world class solutions.
  • Strong Written and Verbal Communication.


Key Qualifications:

Education: B.Tech Degree in CS/EC/EE or related studies. M.Tech Degree is a plus

Minimum years of relevant experience: Min 2 years of relevant work experience.


What’s in it for you?


With over 90,000 employees across 180+ countries, we have a culture that respects and supports your ambitions, in alignment with our values of Respect, Professionalism and Perseverance. Ericsson is extremely focused on learning and development, supports mobility and flexible working hours. We are also committed to diversity and inclusion and to be a responsible and relevant driver of positive change. We also offer some awesome benefits, amazing career development and training programs to provide an empowered career in a connected world.


Next Steps:


What happens next once you apply? Read about the next steps here  


For your prep and reference, here is our overall Brand video and some insights about our innovations in 5G



Ericsson provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, marital status, pregnancy, parental status, national origin, ethnic background, age, disability, political opinion, social status, veteran status, union membership or genetics. Ericsson complies with applicable country, state and all local laws governing nondiscrimination in employment in every location across the world in which the company has facilities. In addition, Ericsson supports the UN Guiding Principles for Business and Human Rights and the United Nations Global Compact. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, training and development. Ericsson expressly prohibits any form of workplace harassment based on race, color, religion, sex, sexual orientation, marital status, pregnancy, parental status, national origin, ethnic background, age, disability, political opinion, social status, veteran status, union membership or genetic information.