RANS Validation Engineer

UST; Austin (TX); On-site; USD 70,000 - 106,000; Full time

Job summary

UST, a leading technology solutions company, seeks a RANS Validation Engineer to enhance telecom systems validation. The role involves developing test cases for cutting-edge 4G/5G technologies and collaborating with cross-functional teams to ensure product efficacy. Ideal candidates will have extensive experience in telecom protocols, automation skills, and a commitment to innovation.

Benefits

10 days paid vacation per year

401(k) Retirement Plan with employer matching

Medical, dental, and vision insurance

Paid sick leave and holidays

Qualifications

• 10+ years of experience in system validation or software QA.
• Strong understanding of 3GPP standards and telecom protocols.
• Hands-on experience validating Layer 1 (PHY), MAC, RLC, PDCP, and RRC.

Responsibilities

• Plan and execute system validation and regression test cases for RAN software.
• Debug complex issues and ensure product reliability.
• Automate test cases using Python and maintain documentation.

Skills

4G/5G RAN

Python

Robot Framework

3GPP Standards

Education

Bachelor’s or Master’s degree in Electronics, Telecommunications, Computer Science, or related field

Tools

JIRA

TestRail

Wireshark

Job description

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RANS Validation Engineer

Lead I - Semiconductor Product Validation

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.

Role Description

RANS Validation Engineer

Lead I - Semiconductor Product Validation

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.

Role Location: Texas

Compensation Range: $70,600-$106,000

Benefits

Full-time, regular employees accrue a minimum of 10 days of paid vacation per year, receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year), 10 paid holidays, and are eligible for paid bereavement leave and jury duty. They are eligible to participate in the Company’s 401(k) Retirement Plan with employer matching. They and their dependents residing in the US are eligible for medical, dental, and vision insurance, as well as the following Company-paid Employee Only benefits: basic life insurance, accidental death and disability insurance, and short- and long-term disability benefits. Regular employees may purchase additional voluntary short-term disability benefits, and participate in a Health Savings Account (HSA) as well as a Flexible Spending Account (FSA) for healthcare, dependent child care, and/or commuting expenses as allowable under IRS guidelines. Benefits offerings vary in Puerto Rico.

Part-time employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year) and are eligible to participate in the Company’s 401(k) Retirement Plan with employer matching.

Full-time temporary employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year) and are eligible to participate in the Company’s 401(k) program with employer matching. They and their dependents residing in the US are eligible for medical, dental, and vision insurance.

Part-time temporary employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year).

All US employees who work in a state or locality with more generous paid sick leave benefits than specified here will receive the benefit of those sick leave laws.

What We Believe

We proudly embrace the values that have shaped UST since day one. We build our culture of Humility, Humanity, and Integrity. These values inspire us to nurture a people-first, human centric culture that fosters belonging, prioritizes sustainable solutions, and keeps our people and clients at the forefront of all decisions.

Humility

We will listen, learn, be empathetic and help selflessly in our interactions with everyone.

Humanity

Through business, we will better the lives of those less fortunate than ourselves.

Integrity

We honor our commitments and act with responsibility in all our relationships.

Equal Employment Opportunity Statement

UST is an Equal Opportunity Employer.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other applicable characteristics protected by law. We will consider qualified applicants with arrest or conviction records in accordance with state and local laws and “fair chance” ordinances.

UST reserves the right to periodically redefine your roles and responsibilities based on the requirements of the organization and/or your performance.

#UST

#CB

Skills

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

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Quality Assurance

• Industries

  IT Services and IT Consulting

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