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- Tasks: Design and steer signalling projects for core voice networks, ensuring customer-centric outcomes.
- Company: Join Virgin Media O2, the UK's fastest broadband network and a beloved mobile brand.
- Benefits: Enjoy a fantastic reward package with flexible benefits to support you and your loved ones.
- Why this job: Be part of a diverse team that values inclusion and empowers you to be your authentic self.
- Qualifications: Experience in cellular networks and strong analytical skills are essential for this role.
- Other info: This is an entry-level full-time position with opportunities for growth and development.
The predicted salary is between 36000 - 60000 ÂŁ per year.
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Summary
Location
Birmingham, Leeds, London, Manchester, Peterborough, Reading
Job Family
Digital & Technology
Job Type
Full Time
Posted Date
31-Jul-2025
Ref #
68455
We have a great new role for a Core Voice Signalling Designer to join our Signalling Design team.
You will help design and steer designs for signalling-related projects, directing project teams to ensure optimal delivery outcomes.
The Signalling Design team drives design changes across all impacted network functions as part of a project team, ensuring the overall design is customer-centric, meets customer requirements, and is robust.
You will work independently, escalating issues to the Signalling Engineering Manager as dictated by complexity and priority.
Key responsibilities
- Working within the Design team to produce the Signalling Design requirements pertaining to core voice network platforms. This role encompasses the support of service designs on the Voice Core network, including IP STP, DSC (DRA, DEA), and IMS/legacy core voice network nodes.
- Helping with the development of automated test capabilities for both 5GSA and legacy nodes. Working with the Core Test team to develop automated testing for call flows to speed up all aspects of testing.
- Producing high and low level design documents. To include capacity dimension and modelling with close attention to surrounding network elements. All designs produced are to meet fraud and security requirements and liaison with vendors and TSA as required.
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 an equal 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
- Good experience of cellular networks (2G, 3G, 4G, and IMS), networking principles, and associated signalling systems and protocols, including SS7, SIGTRAN, SIP, Diameter, and MAP
- A detailed understanding of technology standards, traffic, switching, and radio theory/principles.
- Strong analytical skills and sound practical judgement and a need to understand complex and often conflicting requirements, to chart a course through to a satisfactory business solution.
The other stuff we are looking for
- An enthusiastic, self-motivated team player with drive to succeed
- Excellent communications skills with a proven ability to interface and explain detailed technical concepts and design principles.
- A strong collaborator, able to work with multi-disciplined internal teams across relevant areas of the business and external customers
- You will often to be asked to work alone so strong self-discipline is a must to meet tight deadlines.
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 competency 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.
Seniority level
-
Seniority level
Entry level
Employment type
-
Employment type
Full-time
Job function
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Job function
Design, Art/Creative, and Information Technology
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Industries
Telecommunications
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Core Voice Signalling Designer employer: Virgin Media O2
Contact Detail:
Virgin Media O2 Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Core Voice Signalling Designer
✨Tip Number 1
Familiarise yourself with the latest trends and technologies in cellular networks, especially 2G, 3G, 4G, and IMS. This knowledge will not only help you during interviews but also demonstrate your commitment to staying updated in a fast-evolving field.
✨Tip Number 2
Network with professionals in the telecommunications industry, particularly those who work with signalling systems and protocols. Engaging in discussions or attending relevant events can provide insights and potentially lead to referrals.
✨Tip Number 3
Prepare to discuss specific projects where you've successfully collaborated with multi-disciplined teams. Highlighting your teamwork skills and ability to communicate complex technical concepts will set you apart from other candidates.
✨Tip Number 4
Showcase your analytical skills by preparing examples of how you've navigated conflicting requirements in past projects. Being able to articulate your problem-solving process will impress interviewers and demonstrate your practical judgement.
We think you need these skills to ace Core Voice Signalling Designer
Some tips for your application 🫡
Understand the Role: Before applying, make sure you fully understand the responsibilities and requirements of the Core Voice Signalling Designer position. Familiarise yourself with the technologies mentioned, such as SS7, SIP, and Diameter, to demonstrate your knowledge in your application.
Tailor Your CV: Customise your CV to highlight relevant experience in cellular networks and signalling systems. Use specific examples from your past work that align with the job description, showcasing your analytical skills and ability to work independently.
Craft a Compelling Cover Letter: Write a cover letter that not only outlines your qualifications but also reflects your enthusiasm for the role and the company. Mention how your skills can contribute to Virgin Media O2's goals and values, particularly in customer-centric design.
Proofread Your Application: Before submitting, carefully proofread your CV and cover letter for any spelling or grammatical errors. A polished application reflects attention to detail, which is crucial for a design role. Consider asking a friend or mentor to review it as well.
How to prepare for a job interview at Virgin Media O2
✨Understand the Technical Requirements
Make sure you have a solid grasp of cellular networks and signalling systems like SS7, SIP, and Diameter. Brush up on your knowledge of networking principles and be ready to discuss how these technologies apply to the role.
✨Showcase Your Analytical Skills
Prepare to demonstrate your analytical skills during the interview. Be ready to discuss past experiences where you navigated complex requirements and found effective solutions, as this is crucial for the Core Voice Signalling Designer position.
✨Communicate Clearly
Since excellent communication skills are essential, practice explaining technical concepts in simple terms. This will help you connect with the interviewers and show that you can effectively collaborate with multi-disciplined teams.
✨Be Ready for Competency Questions
Expect competency-based questions that assess your problem-solving abilities and teamwork. Prepare examples from your previous work or projects that highlight your self-motivation and ability to meet tight deadlines.
