Test Analyst - Core Voice

Virgin Media Ltd; Slough; On-site; GBP 40,000 - 55,000; Full time

Job summary

A leading telecommunications company in Slough is looking for a Core Voice Services Test Analyst to join the engineering team. The role involves validating software delivery, supporting upgrades, and ensuring test environment stability. The ideal candidate will have a solid understanding of network protocols and strong analytical skills. This position offers a full-time contract with a competitive benefits package.

Qualifications

• Good understanding of IMS, 5G, 4G, UMTS, GSM protocols.
• Practical experience in network fault management.
• Strong problem-solving abilities.

Responsibilities

• Witness or review Supplier Quality Acceptance Testing.
• Plan and execute Element Acceptance Testing.
• Coordinate First Office Application activities.
• Perform maintenance on Test-Bed Circuit Core model.

Skills

Understanding of cellular networks

Network monitoring tools (Empirix)

Analytical skills

Job description

Press space or enter keys to toggle section visibility

Location

Slough

Job Family

Digital & Technology

Job Type

Full Time

Posted Date

23-Sep-2025

Ref #

69410

We have a new role for a Core Voice Services Test Analyst to join our Core Engineering team based from our Slough Test-Lab.

The Core Voice Services Test Analystis responsible for supporting the upgrades into VMO2 Core Test-Lab. Co-ordinating with the vendor to ensure the provision of documentation and software into the lab is consistent. The role involves validating software delivery through testing, ensuring dependable delivery into live network. Working to ensuring the stability of the test environment as well as supporting fault tracking with the wider Core Voice team.

Key responsibilities

• To witness or review Supplier Quality Acceptance Testing as appropriate. Providing support to review vendor Release Notes and MOP’s.
• Planning, executing and record Element Acceptance Testing within the test environment, or on a single element in the live network. Support production of Test Strategy, creating Test Cases exiting with TER.
• Providing support to arrange, execute and record the FOA (First Office Application) of a release into the live network. Co-ordinating with PM or operations as required to ensure CRQ and all in place to proceed.
• To perform build, support and maintenance activities on the VMO2 Test-Bed Circuit Core model, including interfaces and data build.
• Raising faults into vendors fault tracking system, tracking these and supporting where able to resolution.
• Attending, contributing and providing support to Vendor Problem Review Meetings (PRM’s)EXT

Who we are

The UK’s fastest broadband network. The nation’s best-loved mobile brand. And, one of the UK's biggest companies too.

Diverse, high performing teams - jam packed with serious talent. Together, we offer the UK more choice and better value, through our boundary-pushing, customer-championing values and ambitions.

Together, we are Virgin Media O2, and we can't wait to see what you can do.

Accessible, inclusive and equitable for all

Virgin Media O2 is anequal opportunities employer and we're working hard to remove bias and barriers for our people and candidates. So, we build equity and inclusion into everything we do, from the policies we craft to the relationships we shape. We support and encourage you to be your authentic self throughout your application journey with us.

The must haves

• A good understanding and appreciation for the cellular networks and networking principles (IMS, 5G, 4G, UMTS, GSM, IMS) including protocols and services especially MTAS, CSCF, PCRF.
• Knowledge and practical experience of network, signalling & protocol monitoring and management tools (Empirix).
• Investigating issues/faults during testing phases and support these through to resolution.
• Analytical skills and problem solving are needed to understand and progress fault analysis with support from senior team members.
• Good record in production of accurate and complete technical requirements specifications.

The other stuff we are looking for

*

What's in it for you

Our goal is to celebrate our people, their lives and everything in-between. We aim to create a culture that empowers everyone to bring the best versions of themselves to work each and every day. We believe the most inclusive and diverse culture makes for a better business and a brighter world.

Working at Virgin Media O2, you get a bumper reward package bursting with benefits, and loads of extras you can add if you’d like to. These are designed to support both you and your loved ones, making sure that you’re covered no matter what life throws your way.

Next steps

If we feel like a place where you can belong, we'd love to learn more about you as a person and your experience to date. Once you've submitted an application the next steps of the process, if successful, are likely to include a technical and competency based interview.

When you apply, you'll be asked about any adjustments you might need to support the recruitment process. Let us know, and we'll be sure to discuss it with you.

Please note: Applications will be reviewed, and interviews conducted throughout the duration of this advert, therefore we may bring the closing date forward. We encourage all interested applicants to apply as soon as possible. If you’re offered a job with us, it will be conditional, based on the passing of background checks. All roles require a criminal record check and some roles need a financial probity check. Your recruiter can provide you with more information if needed.

Thanks for your patience and for showing an interest in joining the Virgin Media O2 family.

Things move pretty fast around here. New tech, new products, new ideas - and new opportunities for talented people like you.

So, create a tailored job alert and we'll let you know as soon as your dream role's ready for you.