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Summary
Location
Birmingham, Leeds, London, Manchester, Peterborough, Reading
Job Family
Digital & Technology
Job Type
Full Time
Posted Date
23-Jul-2025
Ref #
68292
We have a great new opportunity for a Principal IP Core Designer to join our Core Engineering function.
This is a key role to provide technical leadership and direction in how new products and services can be most optimally implemented across the Core Network domain.
You will be tasked with supporting Major Programmes, these could include;
* Technology Refresh/ Hardware Upgrades
* Network Transformation
* Integrating the VM and O2 Networks
* Support to Operations – Fault investigation/Troubleshooting/Network Analysis
* Site Exits
* Major Voice Projects
* Data Centre work
* Security Projects
* Automation
* Lab testing and troubleshooting
Key responsibilities
Discovery - Understanding High Level Architecture, requirements, failover, capacity, quality and building a framework for the solution in the form of the HLD.
Test – Often combined with the discovery phase, the testing phase aims to prove and facilitate improvements on the specifics of the solution and show that the e-2-e solution functions as expected in Production
Design – Making the design official by documenting the points of 1 & 2 in a format that downstream teams can use in a generic fashion; i.e design template once, next team down will add the site-specific information for full roll-out. This document is known as the Core Solutions Design.
Support – Assisting with First of Type and training for downstream teams. Performing Proof of Concept testing to investigate serious faults and issues and assist with production faults.
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
* Extensive experience in an IP based technical High Level Design role
* Experience working in a Service Provider network environment
* In depth knowledge of BGP, MPLS, MP-BGP, IS-IS, QoS/Traffic Engineering, IPv6, VPNs. Ethernet (VPWS/VPLS, Dot1Q, QinQ)
* Experience with Juniper, Cisco and Nokia platforms and OS
* Strong experience in designing, integrating and deploying security solutions in a dynamic, high pressure working environment
The other stuff we are looking for
* JNCIP+ / CCNP+ / NRS-II+ accreditation beneficial
* JNCIE/CCIE preferred
* Strong written and verbal communication skills, ability to form strong business relationships across multiple locations.
* Timeliness in all actions with quality consciousness towards services received and provided
* Experience of analysing, assessing and resolving complex technology requirements, problems and issues.
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.
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
Mid-Senior level
Employment type
* Employment type
Full-time
Job function
* Job function
Engineering and Information Technology
* Industries
Telecommunications
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