Overview Join to apply for the Principal IP Design Engineer role at Virgin Media O2. Location: Birmingham, Leeds, London, Manchester, Peterborough, Reading. Job Family: Digital & Technology Job Type: Full Time Posted Date: 25-Sep-2025 Ref #: 69334 Summary We are recruiting for Principal IP Design Engineers to join our Core Engineering team. The Principal IP Design Engineer roles report into the Senior IP Services Design Manager, covering primarily network design support for end-user services. This is a highly skilled role with design responsibilities across a diverse range of both large scale and medium scale projects, supporting delivery of fixed-line and mobile services, private cloud, hybrid cloud, IT, WiFi and Enterprise projects. The role holder will support projects across a wide range of IP/MPLS networking, switching, and routing, involving mobile telecoms networks and applications and virtualisation of these applications into Cloud infrastructures. Responsibilities & Accountabilities

Lead and support on all designs, especially complex designs across the IP network portfolio, including LAN, WAN, SP, advanced routing and switching, Cloud Technologies, such as public cloud and private cloud (OpenStack/OpenShift) SME that works with strategy and architecture to drive expert designs that align to the goals of the organisation Creation of detailed documentation, sometimes very specialised to support complex projects, crossing various technology domains

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. Inclusive culture 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. 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. Requirements The must haves

Service Provider MPLS and DC routing and switching Complex network design and implementation focused on redundancy and highly available networks Strong understanding of the OSI model layer and TCP/IP stack, with advanced network troubleshooting In-depth knowledge of BGP, MPLS, service provider and enterprise routing protocols L2 and L3 network design, operations, and troubleshooting WAN Routing and traffic engineering Strong familiarity with major network vendors, such as Cisco, Juniper, F5 and Fortinet Strong knowledge of SNMP, NTP, TACACS+, SYSLOG and other standard network protocols

The other stuff we are looking for

Automation e.g. YANG, Openconfig, NETCONF, RESTCONF, Ansible, Python Analytical mindset, able to problem solve, plan and prioritise workload efficiently and effectively Self-starter, able to engage in multiple projects, plan and manage time, delivery, and expectations

What’s in it for you We aim to create a culture that empowers everyone to bring the best versions of themselves to work each day. We believe the most inclusive and diverse culture makes for a better business and a brighter world. The reward package includes a bumper set of benefits designed to support you and your loved ones. 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. 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

Mid-Senior level

Employment type

Full-time

Job function

Engineering and Information Technology Industries: Telecommunications

Referrals increase your chances of interviewing at Virgin Media O2 by 2x. Get notified about new Principal Design Engineer jobs in Birmingham, England, United Kingdom.

#J-18808-Ljbffr