Automation Engineer – Python & 5G Core Network Expert

About Position:

We are looking for a highly skilled Python Automation Engineer with expertise in 5G networks and IMS (IP Multimedia Subsystem) testing to join our dynamic team. The ideal candidate will have hands-on experience in automating test scripts, telecom protocol testing, and ensuring the quality, performance, and resiliency of 5G/4G network functions. As a Python Automation Engineer, you will play a critical role in the validation of IMS architecture, automation of test cases, and performance verification of network functions.

• Role: Automation Engineer – Python & 5G Core Network Expert

• Location: Pune, Bangalore

• Experience: 5+ Years

• Job Type: Full Time Employment

What You'll Do:

• Develop and maintain automated test scripts using Python, TCL, and BDD for validating IMS functionalities and 5G/4G network features.
• Design, execute, and improve test cases for telecom protocols such as SIP, Diameter, MAP, SBI, RTP, and DNS.
• Perform integration, performance, and resiliency testing of IMS applications and 3GPP nodes like HLR, HSS, UDM, SMSC, PGW, SMF, and MME.
• Build and maintain automation frameworks to streamline test execution and reporting.
• Conduct manual and automated testing for IMS-based services such as VoLTE, VoWiFi, and RCS.
• Simulate network traffic and test performance under various conditions using tools like IxLoad, Landslide, and EXFO.
• Debug and troubleshoot issues at both software and network levels using logs, stats, Grafana, and protocol analyzers like Wireshark.
• Collaborate with software engineers, network engineers, and DevOps teams to resolve issues and improve system performance.
• Integrate automated tests into CI/CD pipelines using Kubernetes, Flux/GitOps.
• Test system resiliency, geo-redundancy, hardware failure scenarios, and conduct chaos testing.
• Stay up to date with the latest trends in 5G/4G technologies, IMS advancements, and AI tools such as CoPilot and Augment.

Expertise You'll Bring:

• Strong programming skills in Python; experience with TCL and BDD is a plus.
• Solid understanding of IMS and its components (HSS, PCRF, CSCF).
• Practical experience with 5G/4G networks and 3GPP nodes.
• Deep knowledge of telecom protocols: SIP, Diameter, MAP, SBI.
• Experience with automation tools and frameworks like Robot Framework, Selenium, or pytest.
• Proficiency with network simulators and analyzers: IxLoad, Landslide, EXFO, Wireshark.
• Hands-on experience with Kubernetes, GitOps (Flux), and CI/CD pipelines.
• Strong networking knowledge including switch/router configuration and debugging.
• Experience in performance/load/stress testing and debugging at scale.
• Familiarity with monitoring tools like Grafana and bug tracking tools like JIRA.
• Understanding of telecom standards (3GPP, IETF) and IMS-based services (VoLTE, VoWiFi, RCS).
• Excellent communication skills and ability to work in a collaborative environment.

Benefits:

• Competitive salary and benefits package
• Culture focused on talent development with quarterly promotion cycles and company-sponsored higher education and certifications
• Opportunity to work with cutting-edge technologies
• Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
• Annual health check-ups
• Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents

Inclusive Environment:

Persistent Ltd. is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.

• We offer hybrid work options and flexible working hours to accommodate various needs and preferences.
• Our office is equipped with accessible facilities, including adjustable workstations, ergonomic chairs, and assistive technologies to support employees with physical disabilities.
• If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment. We are committed to creating an inclusive environment where all employees can thrive.

Our company fosters a values-driven and people-centric work environment that enables our employees to:

• Accelerate growth, both professionally and personally
• Impact the world in powerful, positive ways, using the latest technologies
• Enjoy collaborative innovation, with diversity and work-life wellbeing at the core
• Unlock global opportunities to work and learn with the industry’s best

Let’s unleash your full potential at Persistent

“Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.”