CRE TDA Network Design Specialist

BT Group; Bristol; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading telecommunications company in the UK seeks a CRE Specialist Network Designer to lead the design of their core voice platform, delivering state-of-the-art routing solutions. The role requires expertise in voice networks, including VoIP and IP networking, with a focus on innovation and efficiency. Strong interpersonal skills and the ability to drive collaborative solutions are essential. Come join a diverse team that values different perspectives and fosters creativity.

Qualifications

• 3+ years of core voice network/platform design experience.
• 3+ years of voice network/platform testing experience.
• Proven record of delivering projects on time and within budget.

Responsibilities

• Design leadership for BT’s Core Routing Engine platform.
• Manage the technical interface to the supplier for developments.
• Ensure all service and operational concerns are addressed.

Skills

Voice networks

VoIP

IP Networking

SIP signalling

DNS

Tools

REST API

SOAP XML

Titanium TITAN platform

Openstack

Job description

Overview

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 Business Unit/Function

Technology
We are in an incredibly competitive industry and it’s not just the technology that’s important, but the world of promise it creates for our customers. We live and work in a connected world where people want seamless service, great products and the best connectivity there is, as well as continually expecting more and more from us, and rightly so. Technology is BT’s powerhouse, with our expert technologists, we have a unique position in BT. By bringing together our technical and commercial expertise, and our insight and passion for customer experience, we help BT stand out from the competition. With the best networks and smart innovative products, combined with a personal experience, it sets us apart from the pack.

Innovation drives everything we’ve done since BT started in 1846. Coming up with new ideas and developing new technologies is central to our future. We want to improve people’s lives for the better in welcome, relevant and affordable ways and we’ll be fast to market with an effortless experience to match. We will continue to focus on developing our converged network capabilities which will give customers seamless connectivity. Our skilled people will lead this technological revolution, not only for our customers but for the industry across the Globe, truly making customers our heartbeat.

You will be responsible for

The CRE platform is at the heart of BT’s core voice network called SDIN/ORION. The CRE Specialist Network Designer is an essential role responsible for the design of our core voice platform routing, enabling rapid deployment underpinning new products and protecting revenues in excess of £500 M.

What you’ll be doing – your accountabilities

• Design leadership for BT’s Core Routing Engine (CRE) platform and its interfaces to all other BT systems. Hold accountability for technical decision making, effectively assessing and introducing new technology as part of the planning portfolio from proof of concept to delivery
• Manage the technical interface to the supplier, ensuring that all developments are delivered to the expected scope, cost and quality.
• Technical leadership of CRE platform designs, and co-ordination with all Customer, Test, OSS, Security and Operational team stakeholders
• Ensure that all e2e service and Operational concerns are fully taken into account in designs
• Responsible for production of high and low level design documentation as appropriate including initial settings - prior to test entry quality gate as defined in delivery plan
• Managing peer reviews and providing sign off authority on designs associated with CRE components within network platforms and/or customer solutions
• Take technical lead in resolution of any significant CRE in-life service affecting issues
• Lead the ongoing definition of the CRE platform roadmap, ensuring engagement with all stakeholders in Technology and Product Line.
• Ensure that designs are progressed in line with Delivery plan, and any issues are flagged to the Delivery manager. Support resolution of any issues to keep delivery on track.
• Highlight any design risks encountered. Manage resolution of risks.
• Lead on Engineering Integrity and architecture conformance.
• Mentor and share knowledge with others, offer expert advice and recommendations in your areas of subject expertise, and be an advanced user of design tools.
• Provide technical expertise to inform contract and commercial management. Provide input to business cases and proposals for ways to avoid costs

You will also be responsible for

People

• Lead a small matrix team across Design and Test to ensure they are trained and directed to design and test CRE related deliveries appropriately

Cost

• Driving efficiency and cost reduction through defining Brilliant and Simple requirements to the supplier and other BT systems

Quality

• Ensuring rigorous and highly available solutions to underpin the highly available requirements of SDIN/ORION and our VoIP services.

Delivery

• Design and drive improved working processes, Operating outside of set designs and guidelines where necessary to find innovate solutions to optimise delivery of technical solution.
• Application of Design best practise to domain, and interlock with design and delivery plans across all related systems and teams.

Skills required for the job

The CRE Specialist Network Designer will possess a good knowledge of voice networks including VoIP, Mobile networks and large Carrier networks. They will have a strong grasp of Switching and IP Networking, SIP signalling and DNS.

Other specifics for the role include thorough knowledge of

• Voice Numbering standards and call routing strategies
• Server configuration and management
• Provisioning systems and associated interfaces e.g. REST API, SOAP XML
• Titanium (ex NetNumber) TITAN platform, and the BT routing application running on it
• Openstack private cloud platform and deployment of applications to it

You will also possess, or be in the process of developing, more general business skills

• Stakeholder and Vendor Management – Ability to engage with
• Stakeholders and Vendors at an appropriate level to ensure necessary business results can be attained.
• Problem solving – Proven ability to solve complex problems in a controlled and systematic manner, analysing the available data to make the correct business decesions taking responsible risks when appropriate.
• Coaching and Mentoring – Experience of coaching and mentoring others for peak performance
• Financial Management – Understands overall cost to business for decisions made, has a good working knowledge of different types of budgets and inputs to business cases
• Process improvement / Management – Works across teams to identify changes to processes and procedures to enable faster delivery or better business outcomes.
• Strong interpersonal skills with the ability to bring teams together across BT to look at business issues ranging from feasibility through to issues affecting live service.

You will be a recognised expert in this field inside BT

Experience you would be expected to have

• 3 years + experience of core voice network/platform design
• 3 years+ experience of voice network/platform testing
• Proven record of delivering projects to time, cost, quality requirements

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.

Provider

Description

Enabled

SAP as service provider

• "route" is used for session stickiness
• "careerSiteCompanyId" is used to send the request to the correct data centre
• "JSESSIONID" is placed on the visitor's device during the session so the server can identify the visitor