RAN Test Engineer

Role: RAN 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 professional with experience supporting Samsung 4G LTE and 5G NR networks. Strong background in L2/L3 fault resolution, KPI and trace analysis, root cause investigation, change support and performance assurance. Experienced in working with cross-domain teams and communicating technical findings clearly in customer-facing environments.

Key responsibilities:

• Provide L2/L3 support for Samsung LTE and 5G NR network incidents, alarms and performance degradation.
• Samsung SRAN designing and its implementation experience.
• Analyse OSS counters, traces, logs and configurations to isolate faults and restore service within agreed targets.
• Troubleshoot accessibility, retainability, mobility, throughput, coverage and capacity issues.
• Perform RCA and document corrective and preventive actions for complex or recurring problems.
• Support parameter changes, software or feature rollout, FOA activities and controlled production implementation.
• Coordinate with RF, Core, Transport, OSS, NOC, Field and OEM teams during incident resolution and change execution.
• Prepare technical evidence packs for OEM escalation, including timelines, traces, counters and reproduction details.
• Provide concise customer updates, operational reports, risk inputs and knowledge-transfer material.

Technical Skills:

• Samsung 4G/5G RAN operations and technical support • Samsung LSM-R / USM-R alarm, configuration and performance analysis
• L2/L3 incident troubleshooting and service
• restoration • RCA, problem management and recurring fault prevention
• KPI, counter, log, trace and call-flow analysis • Feature activation, parameter changes management and rollout support
• Pre-check, implementation, rollback and post-
• change validation
• vRAN/ORAN handson experience • Accessibility, retainability, mobility, integrity and throughput analysis
• MOCN/MORAN and multi-vendor
• interoperability support
• MORAN/MOCON/eMOCN implementation
• experience.
• Technical reporting, OEM escalation and stakeholder communication
• Confident customer-facing communication, technical workshop leadership and coordination across design, vendor, operations, field and programme teams.

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.