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For Companies 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 employer: Qualitest
Contact Detail:
Qualitest Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Test Engineer - IMS / VoLTE / VoWiFi
✨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, so don’t skip this step!
✨Tip Number 3
Don’t forget to showcase your hands-on experience with end-to-end testing during interviews. We want to hear about your past projects and how you validated call flows. Real-world examples can really set you apart from other candidates.
✨Tip Number 4
Apply directly through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive and eager to join our team. Let’s get you that job!
We think you need these skills to ace Senior Test Engineer - IMS / VoLTE / VoWiFi
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 the role and how your background in telecom environments makes you a perfect fit. We love seeing enthusiasm and a personal touch!
Showcase Your Technical Skills: Don’t forget to mention your knowledge of protocols like SIP, SDP, and Diameter. We’re looking for someone who can analyse signalling flows, so give us examples of how you’ve tackled protocol-level issues in the past.
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’re considered for the role. Plus, it’s super easy – just a few clicks and you’re done!
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.
✨Master VoLTE and 5G Call Flows
Since this role focuses heavily on VoLTE, VoNR, and VoWiFi, you should be prepared to dive deep into these topics. Familiarise yourself with 5G call flows, registration processes, and handover procedures. Being able to explain these concepts clearly will show your expertise.
✨Get Comfortable with Protocols
You’ll need a solid grasp of protocols like SIP, SDP, and Diameter. Make sure you can discuss how you've worked with these in past roles, especially in troubleshooting protocol-level issues. This will demonstrate your technical capability and problem-solving skills.
✨Showcase Your E2E Testing Experience
Be ready to talk about your hands-on experience with end-to-end testing. Discuss specific scenarios where you validated call setup, hold, and conference call functionalities. Highlighting your focus on service validation and customer impact will resonate well with the interviewers.