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For Companies At a Glance
- Tasks: Test and validate cutting-edge 5G RAN technologies in a dynamic lab environment.
- Company: Join a leading tech firm at the forefront of 5G innovation.
- Benefits: Competitive salary, flexible working, and opportunities for professional growth.
- Other info: Collaborative team culture with exciting career advancement opportunities.
- Why this job: Be part of the 5G revolution and make a real impact on future connectivity.
- Qualifications: Strong knowledge of LTE/5G RAN and hands-on testing experience required.
The predicted salary is between 50000 - 70000 £ per year.
Location: 3 days a week on site, Bristol.
Role Overview
We are seeking a highly experienced Senior RAN Test Engineer with strong expertise in LTE and 5G Radio Access Networks. This role focuses on RAN integration, system validation, performance testing, and troubleshooting across lab environments. The successful candidate will have strong protocol-level knowledge and practical experience with modern RAN architectures.
Key Responsibilities
- Develop, execute, and maintain test cases for RAN integration, system, and regression testing across LTE and 5G (NSA and SA).
- Perform functional, performance, interoperability, and stability testing of RAN components including eNB, gNB, RU, DU, and CU.
- Analyse UE and RAN logs across Layer 1, Layer 2, and Layer 3 and perform detailed Root Cause Analysis.
- Validate mobility scenarios including handovers, carrier aggregation, dual connectivity, beam management, and load balancing.
- Support lab testing, including KPI benchmarking and performance optimisation.
- Work closely with RAN engineering teams, vendors, and field teams to troubleshoot and resolve complex technical issues.
- Document test results, produce test reports, and track defects using tools such as JIRA or HP ALM.
Essential Technical Skills
- Strong understanding of LTE and 5G RAN architecture, including eNB, gNB, CU/DU/RU split, and Open RAN concepts.
- Essential hands-on experience with either Small Cell deployments or Satellite Backhaul (LEO, MEO, or GEO).
- In-depth knowledge of RAN protocols including RRC, RLC, MAC, PHY, SCTP, S1AP, X2, Xn, and F1 interfaces.
- Experience with vRAN, OpenRAN, Massive MIMO, beamforming, and timing synchronisation technologies such as GPS, PTP, and SyncE.
- Hands-on experience with RAN test and analysis tools such as Wireshark, QXDM, XCAL, Viavi, TEMS, Ixia, or equivalent.
- Strong understanding of 3GPP standards and RAN KPIs including throughput, latency, SINR, BLER, CQI, and RF performance metrics.
Additional Expectations
- Experience defining RAN test strategies, acceptance criteria, and validation plans.
- Exposure to test automation and scripting, preferably using Python, for log analysis or KPI reporting.
- Experience working in multi-vendor and OpenRAN environments.
RAN Test Engineer (5G RAN) in London employer: Qualitest
Contact Detail:
Qualitest Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land RAN Test Engineer (5G RAN) in London
✨Tip Number 1
Network like a pro! Get out there and connect with folks in the industry. Attend meetups, webinars, or even local tech events. You never know who might have the inside scoop on job openings or can put in a good word for you.
✨Tip Number 2
Show off your skills! If you’ve got hands-on experience with RAN testing tools or protocols, consider creating a portfolio or a personal project to demonstrate your expertise. This can really set you apart when chatting with potential employers.
✨Tip Number 3
Don’t just apply – engage! When you find a role that excites you, reach out to the hiring manager or team members on LinkedIn. A friendly message expressing your interest can make a huge difference and show that you’re genuinely keen on the position.
✨Tip Number 4
Keep it real during interviews! Be prepared to discuss your experiences with LTE and 5G RAN in detail. Use specific examples from your past work to illustrate your problem-solving skills and technical knowledge. And remember, we’re all about making connections, so be yourself!
We think you need these skills to ace RAN Test Engineer (5G RAN) in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the RAN Test Engineer role. Highlight your experience with LTE and 5G, and don’t forget to mention any hands-on work with RAN components like eNB and gNB. We want to see how your skills match what we're looking for!
Show Off Your Technical Skills: In your application, be sure to showcase your technical expertise. Mention specific protocols you’ve worked with, like RRC or MAC, and any tools you’re familiar with, such as Wireshark or QXDM. This helps us see that you’ve got the chops for the job!
Be Clear and Concise: When writing your application, keep it clear and to the point. Use bullet points where possible to make it easy for us to read through your experience and skills. We appreciate a well-structured application that gets straight to the good stuff!
Apply Through Our Website: Don’t forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it gives you a chance to explore more about StudySmarter and what we do!
How to prepare for a job interview at Qualitest
✨Know Your RAN Inside Out
Make sure you brush up on your knowledge of LTE and 5G RAN architectures. Be ready to discuss specific components like eNB, gNB, and the CU/DU/RU split. The more you can demonstrate your understanding of these concepts, the better you'll impress the interviewers.
✨Showcase Your Hands-On Experience
Prepare to talk about your practical experience with RAN test and analysis tools such as Wireshark or QXDM. Bring examples of how you've used these tools in past projects, especially in troubleshooting and performance testing scenarios. Real-world examples will make your skills stand out.
✨Be Ready for Technical Questions
Expect in-depth questions about RAN protocols like RRC, RLC, and MAC. Brush up on your knowledge of 3GPP standards and be prepared to explain how you've applied this knowledge in your previous roles. This is your chance to shine, so don’t hold back!
✨Demonstrate Your Problem-Solving Skills
Think of specific instances where you've tackled complex technical issues in RAN environments. Be ready to walk through your thought process and the steps you took to resolve these problems. Showing your analytical skills and ability to work under pressure will definitely impress them.