Network Engineering Professional (Snowhill, Birmingham, United Kingdom)

Recruiter: Trevor Newman

Career Grade: E

Internal Closing Date: 11/04/25

(Our hybrid working model means you are expected to be in the office 3 days per week)

With over 175 years of heritage, BT is now the flagship business brand of BT Group. We’ve brought together our best people and capabilities into a B2B powerhouse serving 1.2 million business customers internationally.

We’re a global leader for secure connectivity and collaboration platforms for businesses of all shapes and sizes, from big household names and government departments, right through to sole traders and new start-ups. But it’s not just the technology that matters, it’s what it can do to help them build stronger, smarter, more secure businesses.

We value diversity and inclusion and believe in making a positive impact. We connect for good by championing digital inclusion and equipping people, businesses, and communities with digital skills to thrive.

As a member of our team, you will be part of an organisation that celebrates difference, fosters innovation and provides you with opportunities to be your best. With millions of businesses relying on us daily, joining BT means you can be part of a diverse and multi-skilled team that makes a significant impact to society.

Why this job matters

The IMS and Mobile team is responsible for designing the Voice network that supports over 30 million users across 2G, 3G, 4G, WiFi & Fixed telephony. The BT Mobile network is currently the best performing network in the UK, according to external benchmarking studies. This role has the opportunity to work across multiple technologies, from the newest IMS innovations to circuit switched technology and work to deliver and maintain services across fixed and mobile for both Consumer and Enterprise Customer Facing Units. As a Network Designer in the team you will be engaged in service and platform design and capacity activities, leading or supporting project work and will have the opportunity to help shape the strategic direction of the Voice Network through interactions with Senior Designers, Specialists and the Architecture and Operations community

What you’ll be doing

Responsible for detailed design output at a platform and service level Producing quality high level and low level design documentation Representing the team on project engagements and contributing from requirements gathering right through to launch Communicating back into the team summaries of the project scope and requirements Designing of scalable solutions with the highest customer experience standards. Monitor the capacity of our platforms and interfaces and plan upgrades, configuration changes or migration activities as needed Working closely with test and operations and other stakeholders across technology to ensure best stability of our solutions Providing technical expertise and consultancy to the team and beyond Support the wider team with core design activities as needed

The skills you'll need

Exceptional communicator skilled at engaging and influencing senior design and specialist levels. Proven experience in network design roles. Extensive experience in creating comprehensive documentation for complex solutions. Proficient in troubleshooting and performing low-level diagnostics. In-depth knowledge of voice core networks, with a broad understanding of mobile and BT core networks and services. Analytical thinker with the ability to analyse and interpret data and network statistics. Capable of applying network and commercial insights to solve problems and drive solutions. Strong commercial acumen, adept at identifying opportunities for efficiency and best practices. Extensive knowledge and experience with IMS technologies and related voice services such as VoLTE, VoWiFi, Interconnect, Fixed, and 5G. Proficient in API design and development. Solid foundational knowledge and experience with telecom voice solutions based on virtualized technology, including VMware and COTS. Competent understanding and experience with telecom voice solutions utilizing private or public cloud technologies, including containerization, Kubernetes, Linux, and OpenStack software. Strong practical knowledge and experience with protocols such as SIP, HTTP, IP networking, Diameter, DNS, BICC, ISUP, CAP, and INAP. Basic hands-on experience with subscriber provisioning processes and systems. Skilled in telecom platform and software security.

Our leadership standards

Looking in: Leading inclusively and Safely I inspire and build trust through self-awareness, honesty and integrity. Owning outcomes I take the right decisions that benefit the broader organisation.

Looking out: Delivering for the customer I execute brilliantly on clear priorities that add value to our customers and the wider business. Commercially savvy I demonstrate strong commercial focus, bringing an external perspective to decision-making.

Looking to the future: Growth mindset I experiment and identify opportunities for growth for both myself and the organisation. Building for the future I build diverse future-ready teams where all individuals can be at their best.

A FEW POINTS TO NOTE:

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.

DON'T MEET EVERY SINGLE REQUIREMENT?

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.

BENEFITS:

Annual On target bonus 10% (personal and company multipliers) BT Pension scheme; minimum 5% employee contribution, BT contribution 10% Life Assurance Direct share scheme Exclusive colleague discounts on our latest and greatest BT broadband packages 50% off EE mobile pay monthly or SIM only plans and 50% discount for friends and family on EE SIM only plans My Discounts gives colleagues access to unbeatable savings on everyday purchases at hundreds of retailers Discounted EE TV including TNT Sport and the NOW Entertainment membership Great support for working parents including pay whilst on maternity, adoptive, and paternity leave Option to join the Healthcare Cash Plan or other benefits such as dental insurance, gym memberships etc. 25 days annual leave (not including bank holidays), increasing with service with buy holiday option Volunteering days so you can give back to your local community Brand new electric vehicle salary sacrifice arrangement, known as ‘My EV’