Test Engineer

Hi, I'm

Christy Anne

, your Recruiter and guide to joining CSG We are excited to learn more about you and your unique background.

We are looking for a Job Profile Test Engineer Senior:

• Test and validate our software across 3G, 4G, IMS, 5G, IoT mobile network technologies
• Troubleshoot issues related to network connectivity, signaling, and protocol behavior
• Analyze logs and trace data to pinpoint software bugs or network anomalies
• Collaborate with the development team to reproduce and resolve complex issues
• Develop and execute test plans for new features, updates, and integrations
• Maintain test environments including devices, SIMs/eSIMs

Is this opportunity right for you? We're looking for candidates who:

• Completed University degree in a relevant field
• Multiple years of experience in telecom software testing
• Good knowledge of mobile network technologies (3G, 4G, IMS/VoLTE, 5G, IoT) and network signaling (e.g. SIP, RRC, NAS) as defined in 3GPP
• Strong skills in issue troubleshooting, log analysis, and bug reporting
• Experience with telecom test tools and protocol analyzers like Wireshark, QCAT
• Familiarity with Linux and AT modem commands
• Ability to work independently and communicate effectively with customers and internal teams
• Fluent in English (written and spoken)

Bonus Skills

• Familiarity with C++ code, automation and scripting languages, e.g. LUA, Shell, Perl
• Experience with eUICC/eSIM platforms and GSMA standards
• Knowledge of telecom certification or interoperability testing

CSGer Perks & Benefits

• Work from Home, in-office, or hybrid
• Employee Belonging Groups
• Healthcare: Dental, Medical, and Vision
• Paid Vacation, Volunteer, and Holiday Time Off
• And so much more
• (

)

If you would like to be considered for employment opportunities with CSG and need special assistance due to a disability or accommodation for a disability throughout any aspect of the application process, please call us at or email us at

. CSG provides accommodations for persons with disabilities in employment, including during the hiring process and any interview and/or testing processes.

Our Story

CSG empowers companies to build unforgettable experiences, making it easier for people and businesses to connect with, use and pay for the services they value most. For over 40 years, CSG's technologies and people have helped some of the world's most recognizable brands solve their toughest business challenges and evolve to meet the demands of today's digital economy.

By channeling the power of all, we make ordinary customer and employee experiences extraordinary. Our people [CSGers] are fearlessly committed and connected, high on integrity and low on ego, making us the easiest company to do business with and the best place to work. We power a culture of integrity, innovation, and impact across our locations, representing the most authentic version of ourselves to build a better future together. That's just who we are. Learn more about CSG Inclusion & Impact here

Our Guiding Principles

Impact

Always help and empower others, whether they're colleagues or customers. When our employees set their minds to something, great things happen.

Integrity

Do what's right for our customers and our people while being authentic. We treat everyone with trust and respect—that's just who we are.

Inspiration

Be bold in the way you think and passionate about the work you do. Test out innovative ideas without the fear of failure.

Location(s):

IN.Bangalore.Remote

Location(s):

India Remote

Accommodation:

If you would like to be considered for employment opportunities with CSG and need special assistance due to a disability or accommodation for a disability throughout any aspect of the application process, please call us at or email us at CSG provides accommodations for persons with disabilities in employment, including during the hiring process and any interview and/or testing processes.

Our Guiding Principles:

Impact: Always help and empower others, whether they're colleagues or customers. When our employees set their minds to something, great things happen.

Integrity: Do what's right for our customers and our people while being authentic. We treat everyone with trust and respect—that's just who we are.

Inspiration: Be bold in the way you think and passionate about the work you do. Test out innovative ideas without the fear of failure.

Our Story:

CSG empowers companies to build unforgettable experiences, making it easier for people and businesses to connect with, use and pay for the services they value most. For over 40 years, CSG's technologies and people have helped some of the world's most recognizable brands solve their toughest business challenges and evolve to meet the demands of today's digital economy.

By channeling the power of all, we make ordinary customer and employee experiences extraordinary. Our people [CSGers] are fearlessly committed and connected, high on integrity and low on ego, making us the easiest company to do business with and the best place to work. We power a culture of integrity, innovation, and impact across our locations, representing the most authentic version of ourselves to build a better future together. That's just who we are.

Learn more about CSG Inclusion & Impact here.