WHO WE ARE:

Born digital, UST transforms lives through the power of technology. We walk alongside our clients and partners, embedding innovation and agility into everything they do. We help them create transformative experiences and human-centered solutions for a better world.
UST is a mission-driven group of 29,000+ practical problem solvers and creative thinkers in more than 30 countries. Our entrepreneurial teams are empowered to innovate, act nimbly, and create a lasting and sustainable impact for our clients, their customers, and the communities in which we live.
With us, you’ll create a boundless impact that transforms your career—and the lives of people across the world.
Visit us at UST.com.

YOU ARE:

UST is looking for a RANS Validation Engineer with a strong background in telecom systems, software validation, and automation for 4G/5G Radio Access Network (RAN) technologies. The ideal candidate will lead and execute validation efforts, debug complex issues, and ensure product reliability and compliance with industry standards.

The opportunity:

• Plan, develop, and execute system validation and regression test cases for RAN software components
• Validate 4G/5G Layer 1/2/3 protocol stacks in lab and simulated environments
• Perform end-to-end functional, interoperability, performance, and stress testing
• Debug and triage issues at protocol, software, and system levels; work with dev teams for resolution
• Automate test cases using Python, Robot Framework, or similar tools
• Maintain test coverage metrics, test results dashboards, and documentation
• Contribute to CI/CD pipelines for test execution and result tracking
• Collaborate with cross-functional teams (integration, firmware, system, field test)
• Support customer validation and field deployment issue reproduction

This position description identifies the responsibilities and tasks typically associated with the performance of the position. Other relevant essential functions may be required.

What you need:

• Qualification:
• Bachelor’s or Master’s degree in Electronics, Telecommunications, Computer Science, or related field
• Required Skills:
• 10+ years of experience in system validation or software QA, with focus on telecom or wireless products
• Strong understanding of 3GPP standards, RAN architecture, and telecom protocols
• Hands-on experience validating Layer 1 (PHY), MAC, RLC, PDCP, and RRC
• Solid scripting skills in Python or similar language
• Strong Linux and networking fundamentals
• Familiarity with test tools like Spirent, IXIA, Wireshark, TM500, or similar
• Expertise in bug tracking and test management tools (JIRA, TestRail, etc.)
• Excellent problem-solving and communication skills
• Desired Skills:
• Experience with O-RAN architecture and Open RAN testing frameworks
• Experience with DPDK-based validation or low-latency networking
• Understanding of virtualization and containerization (Docker, Kubernetes)
• Familiarity with cloud-based RAN deployments and orchestration tools

Compensation can differ depending on factors including but not limited to the specific office location, role, skill set, education, and level of experience. UST provides a reasonable range of compensation for roles that may be hired in various U.S. markets as set forth below.

SKILLS

4G/5G RAN,Python,Robot Framework,3GPP Standards

ABOUT UST

UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world’s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future-proof philosophy, UST embeds innovation and agility into their clients’ organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact—touching billions of lives in the process

Please refer the Job description for details