IP Network Designer
Posting Date: 3 Apr 2025
Unit: Networks
Location: 1 Braham Street, London, United Kingdom
Working Style: 3 days a week in office, 2 days anywhere
Our internal Networks unit is responsible for designing, building and running the networks and technology platforms that BT, and our customers, rely on. Across our fibre, mobile, Wi-Fi and core networks, BT is a connectivity powerhouse, leading the world in the adoption of converged, automated, programmable network technologies. Bringing together network strategy, transformation, and the modernisation of our mobile and fixed network assets - along with direct partnering with Enterprise, Global and Consumer on leading edge, converged services and experiences – our Networks division designs, builds and runs the technology platforms that BT, and our customers, rely upon every day.
What you’ll be doing
* Define and agree IP network designs for the mobile core, in line with architecture and with operational and security requirements.
* Produce high quality design documentation; High Level and Low Level Designs.
* Liaise with vendors and suppliers to ensure delivery of solutions and alignment of roadmaps.
* Propose improvements to processes and technologies used.
* Provide technical consultancy at a platform and/or overall solution level to other teams and business units – this could be to any stakeholder within the business.
* Define test requirements and test strategy for new designs.
* Maintain standards for Mobile Core IP network infrastructure.
* Drive the implementation of core and cloud infrastructure security to manage risks and exposure.
* Undertake routine daily activities and be accountable for system design, build, testing, validation, maintenance, and ongoing support of all network infrastructure components.
* Implement new and enhanced network technology that aligns to customers’ strategic direction for enterprise and remote site connectivity.
* Manage the installation, testing, and setup of new network hardware both physical and virtual (firewalls, routers, switching, monitoring) hardware and software.
* Execute engineering efforts to ensure currency and supportability of networking technology.
* Participate in technology lifecycle planning, including contributing to the development of the technology roadmaps and Network Health Assessments.
* Deliver the required documentation, knowledge transfer and training to successfully land new solutions into the support organisation.
* Deliver support for clients with data protection and overarching cloud capabilities.
* Provide support for problem escalations from the global network support organisation.
* Drive impact with a range of customer, operational, project or service activities within the Network Engineering team and other related teams.
* Mentor other Engineering professionals, helping to improve the team’s abilities by acting as a technical resource.
* Champion, continuously develop and share with the team knowledge on emerging trends and changes in Network Engineering.
What you'll bring
Mandatory
* IP networking experience in a service provider environment.
* Network Configuration
* Network Design
* Network Implementation
* Network Delivery
* Network Security
* Working experience with Cisco or Juniper
* Network Integration
* Technical Documentation
* Growth Mindset
* Decision Making
Nice to have
* Certifications in CCNA / CCNP / JNCIA / JNCIS.
* Ability to build business relationships, negotiating what works for both parties, in a collaborative approach.
* Experience of coaching and able to support the development of other team members.
* Mobile Core Network knowledge.
* Health & Safety.
* Troubleshooting.
* Network Testing.
* Event Planning.
What's in it for you
* 10% on target bonus.
* Life Assurance.
* 25 days annual leave (plus bank holidays) increasing with service.
* World-class training and development opportunities.
* Option to join the Healthcare Cash Plan or other benefits such as dental insurance, gym memberships etc.
* Huge range of flexible benefits including cycle to work, healthcare, season ticket loan.
* Exclusive colleague discounts on our latest and greatest TV, mobile and broadband packages.
* Access to 100’s of retail discounts including the BT shop.
* Shared Parental leave - maximum amount of leave you can share with your partner is 50 weeks.
About us
BT Group was the world’s first telco and our heritage in the sector is unrivalled. As home to several of the UK’s most recognised and cherished brands – BT, EE, Openreach and Plusnet, we have always played a critical role in creating the future, and we have reached an inflection point in the transformation of our business. Over the next two years, we will complete the UK’s largest and most successful digital infrastructure project – connecting more than 25 million premises to full fibre broadband. Together with our heavy investment in 5G, we play a central role in revolutionising how people connect with each other. While we are through the most capital-intensive phase of our fibre investment, meaning we can reward our shareholders for their commitment and patience, we are absolutely focused on how we organise ourselves in the best way to serve our customers in the years to come. This includes radical simplification of systems, structures, and processes on a huge scale. Together with our application of AI and technology, we are on a path to creating the UK’s best telco, reimagining the customer experience and relationship with one of this country’s biggest infrastructure companies. Change on the scale we will all experience in the coming years is unprecedented. BT Group is committed to being the driving force behind improving connectivity for millions and there has never been a more exciting time to join a company and leadership team with the skills, experience, creativity, and passion to take this company into a new era.
Although these roles are listed as full-time, if you’re a job share partnership, work reduced hours, or any other way of working flexibly, please still get in touch. We will also offer reasonable adjustments for the selection process if required, so please do not hesitate to inform us.
Studies have shown that women and people who are disabled, LGBTQ+, neurodiverse or from ethnic minority backgrounds are less likely to apply for jobs unless they meet every single qualification and criteria. We're committed to building a diverse, inclusive, and authentic workplace where everyone can be their best, so if you're excited about this role but your past experience doesn't align perfectly with every requirement on the Job Description, please apply anyway - you may just be the right candidate for this or other roles in our wider team.
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