Senior Test Engineer - IMS / VoLTE / VoWiFi in London
Senior Test Engineer - IMS / VoLTE / VoWiFi

Senior Test Engineer - IMS / VoLTE / VoWiFi in London

London Full-Time 45000 - 60000 £ / year (est.) Home office (partial)
Qualitest

At a Glance

  • Tasks: Validate and test IMS core network functionality in complex telecom environments.
  • Company: Leading telecom company with a focus on innovation and technology.
  • Benefits: Hybrid work model, competitive salary, and opportunities for professional growth.
  • Why this job: Join a dynamic team and shape the future of voice services in 5G networks.
  • Qualifications: Experience in VoLTE, VoNR, VoWiFi testing and strong protocol knowledge.
  • Other info: Exciting projects with potential for career advancement in a fast-paced industry.

The predicted salary is between 45000 - 60000 £ per year.

Location: Bristol, Hybrid 3x a week on site.

Technical Expertise & Capability Summary

  • IMS Core Network Expertise
    • Strong working knowledge of IMS architecture and core network elements including CSCF, MTAS, SBG, BGF, IPSMGW, AFG, HPSYNC Server and SDIN.
    • Experience supporting and validating core network functionality within complex telecom environments.
  • VoLTE / VoNR / VoWiFi Testing
    • Proven expertise in VoLTE, VoNR and VoWiFi validation.
    • Strong understanding of 5G call flows, including registration, session management and handover procedures.
    • Experience validating voice services across LTE and 5G networks.
  • Protocol & Interface Knowledge
    • Solid understanding of SIP, SDP, MGCP, Diameter, RTP/RTCP and GTP protocols.
    • Experience working with Diameter interfaces including Cx, Dx, Ro and Rf.
    • Ability to analyse signalling flows and troubleshoot protocol-level issues.
  • 3GPP Standards & Compliance
    • Good understanding of 3GPP specifications for LTE and 5G networks.
    • Experience ensuring solutions align with industry standards and compliance requirements.
  • End-to-End (E2E) Testing
    • Hands-on experience performing end-to-end testing across full call lifecycle scenarios.
    • Validation of registration, call setup, hold, resume, call waiting and conference call functionality.
    • Strong focus on service validation and customer-impact prevention.

Nice To Haves

  • RAN (Radio Access Network) knowledge.

Senior Test Engineer - IMS / VoLTE / VoWiFi in London employer: Qualitest

Join a forward-thinking company in Bristol that values innovation and collaboration, offering a hybrid work model that promotes work-life balance. As a Senior Test Engineer, you'll benefit from a supportive work culture that prioritises employee growth through continuous learning opportunities and exposure to cutting-edge technology in the telecom sector. With a focus on meaningful projects and a commitment to industry standards, this role provides a unique chance to make a significant impact in the rapidly evolving world of telecommunications.
Qualitest

Contact Detail:

Qualitest Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Test Engineer - IMS / VoLTE / VoWiFi in London

✨Tip Number 1

Network your way into the industry! Reach out to professionals in the telecom sector on LinkedIn or at local meetups. We all know that sometimes it’s not just what you know, but who you know that can help you land that Senior Test Engineer role.

✨Tip Number 2

Prepare for those technical interviews by brushing up on your IMS architecture and VoLTE knowledge. We recommend running through common scenarios and troubleshooting exercises to show off your skills. Practice makes perfect, and we want you to shine!

✨Tip Number 3

Don’t forget to showcase your hands-on experience with end-to-end testing! Be ready to discuss specific projects where you validated call flows and ensured compliance with 3GPP standards. We love hearing about real-world applications of your expertise.

✨Tip Number 4

Finally, apply directly through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we’re always looking for passionate individuals like you to join our team in Bristol!

We think you need these skills to ace Senior Test Engineer - IMS / VoLTE / VoWiFi in London

IMS Core Network Expertise
VoLTE Testing
VoNR Testing
VoWiFi Testing
5G Call Flow Understanding
SIP Protocol Knowledge
SDP Protocol Knowledge
MGCP Protocol Knowledge
Diameter Protocol Knowledge
RTP/RTCP Protocol Knowledge
GTP Protocol Knowledge
Signalling Flow Analysis
3GPP Standards Knowledge
End-to-End Testing Experience
Service Validation

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your IMS Core Network expertise and experience with VoLTE, VoNR, and VoWiFi testing. We want to see how your skills align with the job description, so don’t be shy about showcasing your relevant experience!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about telecoms and how your background makes you a perfect fit for our Senior Test Engineer role. Let us know what excites you about working with StudySmarter!

Showcase Your Technical Skills: When filling out your application, make sure to mention your knowledge of protocols like SIP, SDP, and Diameter. We love seeing candidates who can analyse signalling flows and troubleshoot issues, so give us the details!

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss any important updates. Plus, we can’t wait to see what you bring to the table!

How to prepare for a job interview at Qualitest

✨Know Your IMS Inside Out

Make sure you brush up on your IMS architecture knowledge. Be ready to discuss core network elements like CSCF and MTAS, and how they fit into the bigger picture. Having real-world examples of how you've validated core network functionality will definitely impress.

✨Show Off Your VoLTE Skills

Prepare to talk about your experience with VoLTE, VoNR, and VoWiFi testing. Be specific about the call flows you've worked with, especially in 5G environments. If you can share a success story where you tackled a tricky validation issue, that’ll really set you apart.

✨Get Familiar with Protocols

Brush up on your knowledge of SIP, SDP, and Diameter protocols. Be ready to explain how you've used these in past projects, particularly in troubleshooting protocol-level issues. Demonstrating your analytical skills here will show you're the right fit for the role.

✨Understand 3GPP Standards

Make sure you have a solid grasp of 3GPP specifications for LTE and 5G networks. Be prepared to discuss how you've ensured compliance in your previous roles. This shows that you not only know the tech but also understand the importance of industry standards.

Senior Test Engineer - IMS / VoLTE / VoWiFi in London
Qualitest
Location: London

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