RAN Lab Test Engineer

Role: RAN Lab Test Engineer

Job Type: Permanent

Location: Reading

Careers at TCS: It means more

TCS is a purpose-led transformation company, built on belief. We don’t just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more opportunities to make an impact that matters, through challenging projects which demand ambitious innovation.

The role

RAN Lab Test Engineer with 8+ years of telecom experience, including Samsung 4G LTE and 5G NR feature testing. Skilled in lab readiness, test design, functional validation, mobility, interoperability, KPI assessment, regression testing, defect investigation and formal reporting.

Experienced in working with design, operations, OEM and customer teams in controlled pre-production environments.

Key responsibilities:

• Samsung RAN feature and functional testing.
• Lab readiness, baseline validation and test object planning
• Feature, mobility, handover and regression testing
• MOCN/MORAN and network-sharing validation
• KPI, alarm, protocol, trace and log analysis
• Interoperability and end-to-end service validation
• Defect reproduction, triage, RCA and OEM coordination
• Test evidence, defect reporting and exit reports.
• Hands-on Samsung LTE, 5G NR and applicable Open RAN lab configurations.
• LSM-R / USM-R for configuration, alarms, KPI, traces and test support.
• Feature parameters, scripts, software behavior, rollback and post-test health validation.
• Mobility, interoperability and network-sharing scenario testing.
• Should be understand interoperability with other Domains
• Should have basic knowledge in IP network/Transport

Technical Skills:

• Configure and validate Samsung RAN nodes and LSM-R / USM-R for approved lab tests.
• Translate feature requirements and acceptance criteria into scenarios, cases and required test objects.
• Execute functional, mobility, handover, interoperability, performance, stability and regression testing.
• Validate alarms, KPIs, counters, traces, protocol behaviour, parameters and rollback procedures.
• Reproduce failures using logs, traces and counters; coordinate defect resolution with OEM and design teams.
• Maintain results, evidence, defect status, execution reports and test exit recommendations.
• Coordinate with RAN Design, Core, Transport, OSS and Device teams for end-to-end readiness.
• Able to understand baseline parameters and Rollback criteria
• Present the Go/No-go level and Golden parameter Audi

Rewards & Benefits

TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop, phone, access to extensive training resources and discounts within the larger Tata network.

Diversity, Inclusion & Wellbeing

At TCS, we believe in building and sustaining a culture of equity and belonging where everyone can thrive. Our diversity motto is ‘Inclusion without Exception’.

You’ll find a welcoming culture and many internal volunteering and social networks to join. Our diversity, inclusion and social activities include LGBTQ+ and mental health networks, as well as health and wellness initiatives and sports events (we even sponsor the London Marathon).

TCS celebrates inclusion without exception. We are open to all and treat applications equally, regardless of ethnicity, disability, gender, age, sexual orientation or beliefs.

If you are an applicant who needs an accommodation due to a disability to complete an employment application, or during any phase of the hiring process, please contact us at [email protected] with the subject line: “Disability Accommodation Request”.

Due to a high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion.