FlexaFlexa
  • Discover companies
  • Find a job
  • Resources
Sign inSign up

Quick links

  • Sign in
  • Sign up
  • Book a demo
  • Live feed

For employers

  • How Flexa can help
  • Case studies
  • Talent Insights Report 2026

For users

  • Discover companies
  • Find a job
  • Resources
  • The Flexa Awards

Flexa info

  • About us
  • Contact us
  • FAQs
  • Legal
FlexaFlexa

© 2026 Flexa, All rights reserved.

  • Privacy policy
  • Terms
Discover companies
Find a job
Resources
View company profileApply now

Working at BT Group

  • Company employees
    100,000 across BT Group (24,000 at BT Business)

Hiring in

  • Brazil
  • United Kingdom
  • Hungary
  • India

Office locations

Join BT Business as a Network Design Specialist in a hybrid role (3 days in the office, 2 days working from home). In this post-sale technical role, you will implement complex network, voice, wireless, and security solutions while leading technical designers to project completion. SC-level Security Clearance is required.

Requirements

  • Experience in scoping, designing, and implementing network solutions.
  • Demonstrable knowledge of Cisco networking technologies (WAN/LAN, Wireless, SDA, Catalyst Center, ISE).
  • Must hold or be eligible to achieve SC-level Security Clearance.
  • Desirable: HPE Aruba certification, experience in secure environments, and shaping network strategy.

Skills & Responsibilities

  • Cisco technologies: Translate customer requirements into detailed solution designs using traditional WAN/LAN, Cisco Wireless, SDA, Catalyst Center, and ISE.
  • Stakeholder engagement: Build strong trusted relationships with senior stakeholders and customers to provide expert service design guidance.
  • Technical leadership: Lead the technical direction of projects, ensuring optimal solution design and driving continuous improvement.
  • Risk management: Proactively identify potential risks and implement robust controls and mitigations in compliance with industry standards.
  • Potential transition routes: People from Network Engineer or Solutions Architect roles may bring strong routing, switching, and design skills, alongside meeting mandatory SC clearance requirements.

Job description

We operate a hybrid model of 3 days in the office and 2 days working from home, please only apply if you are comfortable with this arrangement.

Must hold or be eligible to achieve SC-level Security Clearance.

About the role

Our team lead the way for implementing complex Voice, Network, Wireless and Security Solutions across a wide array of vendors such as Cisco, Fortinet, Juniper, Aruba and Microsoft and technologies such as SD-WAN, SD-A, ISE, ACI, Webex, MS Teams & NextGen FWs to name but a few.

We take High Level Designs into the Low Level detail at the Post-Sale stage, then implement the solution followed by thorough testing before handing over into the relevant support or managed service teams.

We’re looking for someone who not only has the technical ability and aptitude but the passion to lead our wider Technical Designers through the solution and drive to completion. Keeping the customer at the heart of everything they do. You’ll need to have the ability to translate the technical and business perspectives and to lead others.

What you’ll be doing

  • Collaborate with customers to understand their technical requirements and translate them into clear, detailed solution designs using established design methodologies.
  • Lead the technical direction of projects, ensuring optimal solution design that meets customer needs and aligns with best practices.
  • Oversee review and validation processes for new developments and existing products, ensuring seamless integration and considering the broader impact on the product roadmap.
  • Drive continuous improvement in design and delivery capabilities for end-to-end technical solutions.
  • Build strong, trusted relationships with senior stakeholders by providing expert service design guidance and influencing strategic decisions.
  • Resolve complex solution and service challenges, lead root cause analysis, and manage escalations effectively.
  • Identify potential risks proactively and implement robust controls and mitigations, ensuring compliance with industry standards and company policies.

Essential Skills / Experience

  • Experience in scoping, designing and implementing network solutions.
  • Demonstrable knowledge and experience of Cisco networking technologies, including traditional WAN and LAN, Cisco Wireless, Software-Defined Access (SDA), Catalyst Center and Cisco Identity Services Engine (ISE).
  • Effective stakeholder engagement and the ability to communicate confidently with customers.

Desirable Skills / Experience

  • HPE Aruba Associate-level certification, with solid working knowledge of Aruba AOS-S and AOS-CX switches, AOS-8 and AOS-10 WLAN, Aruba Central, ClearPass and SD-WAN.
  • Experience working in secure environments, with current Security (SC) clearance.
  • Experience shaping network strategy, standards and future-state architectures.

Our Package

Tailored benefits make a real difference. That’s why we offer a comprehensive range to support your growth, wellbeing, and everyday life.
You can design the package to suit you and your lifestyle. Your core benefits include:

• 10% on target annual bonus
• 25 days Holiday
• Access to an online private GP 24/7 for you and your immediate family
• Market-leading paid carers leave with up to 2 weeks off
• Equalized maternity, paternity, and adoption leave – 18 weeks’ full pay and 8 weeks’ half pay
• Discounted EE and BT products, including mobile and broadband
• Market leading Pension scheme – 5% from you and 10% from us
• Holiday purchase scheme

You can select additional benefits, including healthcare, dental, gym memberships and more when you’re ready.
Ready to connect for good and help shape the future? Apply now.

Join us at a pivotal moment for BT Business. We are executing a multi-year transformation to restore growth, modernise at scale and unlock new markets beyond connectivity. Our ambition is clear – return to sustainable revenue and EBITDA growth, strengthen our market position, and deliver meaningful shareholder value through disciplined execution and bold reinvention.

We are fundamentally reshaping the business – simplifying our portfolio, digitising our customer experience and building market-leading capability across cyber, AI and managed services, all powered by the UK’s leading fixed and mobile networks. This is a shift from a legacy connectivity provider to a modern, solutions-led, AI-first business that can truly differentiate in a competitive and fast-moving market.

With execution momentum building and a clear path to growth, the opportunity now is to scale what works, accelerate performance and fully realise our potential. This is about delivering against ambitious financial outcomes while transforming how we operate – creating a business that is simpler, faster, more innovative and easier to do business with.

If you want to be part of the team shaping the turnaround of a multi-billion-pound business – and building a stronger, more competitive BT for the future – this is your moment.

Apply now
BT Group

Network Design Specialist

Birmingham, Bristol, Cardiff, Leeds, Manchester
Hybrid
Competitive + Market Leading Benefits + 10% Bonus

Similar jobs

BT Group

Network Engineering Specialist with French

Budapest
Competitive salary
BT Group

Senior Network Lab Engineer

Birmingham
Competitive + excellent benefits
Vodafone

DC Network Engineer

Bucharest
Annual Company Bonus and flexible benefits budget
BT Group

Customer Solutions Design Specialist (Fortinet)

Multiple locations in United Kingdom
Competitive + 10% target bonus + market-leading benefits
Vodafone

Network and Software Engineer

Madrid
BT Group

Customer Solution Design Professional

Budapest and Debrecen
Attractive salary + HUF 600,000/year cafeteria + performance-based bonus