Operational Engineer Sr - Azure DevOps, AWS Serverless

Hi, I’m Aswathi your Recruiter and guide to joining CSG! We’re excited to learn more about you and how your experience can strengthen our Ascendon product team. This is a senior-level technical role where you’ll contribute to the design, evolution, and innovation of our telecom billing platform.  We are looking for an Operational Engineer Senior who will :  This position is responsible for the effective operation and support of functionalities for our cloud-based SaaS platform Ascendon. You will be playing the role of Operations Engineer, Senior with the Ascendon Core Billing (ACB) teams. This team is responsible for build-out of the Ascendon Core Billing component of Ascendon. The Ascendon Core Billing component is a SaaS-based, AWS Cloud Native, multi-tenanted Billing and Revenue Management system targeting B2C clients for the Telecommunication industry. Additionally, the team is responsible for the ongoing operational aspects of the Ascendon Core Billing component in a true DevOps manner. You will be part of a collaborative and motivated global team that builds innovative and progressive solutions for CSG's largest customers.

Act as the first responder for production incidents and exceptions, ensuring quick triage and resolution of critical issues.

Collaborate with development, QA, and architecture teams to improve observability, logging, and alerting across the application stack.

Handle deployment and configuration of the ACB solution in production environments.

Monitor the functionality and performance of the ACB solution and ensure uptime and reliability.

Create and maintain operational playbooks and SOPs for recurring tasks and incident handling.

Participate in Agile ceremonies, including sprint planning, backlog grooming, and DevOps activities.

Mentor junior engineers, providing guidance and support to help them grow.

Work closely with global teams and stakeholders across time zones to ensure seamless operations.

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

Bachelor’s degree in Computer Science, Information Technology, or a related technical field.

Minimum  5 years of experience  in managing and operating enterprise-grade applications .

Strong problem-solving skills with the ability to tackle complex technical challenges .

Hands-on experience with CI / CD tools  – Azure DevOps  preferred.

Proficiency in scripting languages  (e.g., Python, Bash) and relational databases  like PostgreSQL or SQL Server .

Experience in deploying and managing cloud-native applications  using AWS services .

Exposure to the telecom billing domain  is a strong advantage.

Excellent communication and customer support skills .

Willingness to participate in on-call rotation  and handle production support.

Location(s) : IN.Bangalore.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.