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BT Business • UK Wide, United Kingdom

Technical Designer (Service Provider Networks)

Salary:  .Competitive + Excellent Benefits
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Job Description


Bristol, Chippenham, Reading, Hemel Hempstead

Security Clearance

This role requires you to be able to pass SC clearance. See this link for more info: https://www.gov.uk/government/publications/united-kingdom-security-vetting-clearance-levels/national-security-vetting-clearance-levels#security-check-sc

Why this job matters

As a Technical Designer in our Defence Service Provider Networks practice, you will be working as a trusted industry partner to our defence customer and cross-functionally supporting internal business units (Sales, Business, Technology, Security and Operations), key stakeholders and externally facing third party technology providers as part of and reporting into the practice manager.

You will work with internal key stakeholders, the customer, and its subsidiary departments to define and create complex innovative fit for purpose enterprise network solutions in meeting their digital strategy and transform the way they can do business.

Underpinned by using robust ICT framework architecture, security principles, methodologies, industry best practices, and customer compliance polices. As a technical architect you will be providing expert subject matter design expertise and ownership throughout all stages of the solutions design engagement life cycle.

You will be part of an industry leading Technical Design Authority team working closely with other architects, designers, technology experts, business managers and business analysts. Where you will bring your expertise and diverse experience to each challenge ensuring successful solution delivery across a vast variation in highly sensitive and unique opportunities and projects.

What you’ll be doing

As a Technical Designer you will:

  • Act as a company, customer, and team ambassador
  • Serve as the primary technical architect, engaging with customers, stakeholders, and partners to provide expert design leadership aligned with architecture principles
  • Develop and own technical design artifacts, addressing complex technological requirements
  • Support Solution Design Authority and key stakeholders in shaping bid opportunities and providing subject matter expertise throughout the engagement lifecycle
  • Provide technical expertise for various deliverables, including proof of concept, bid collateral, and high/low-level design documents

Skills You'll Need

  • Knowledge and hands-on experience with Dense Wavelength-Division Multiplexing (DWDM), Synchronous Digital Hierarchy (SDH), and Legacy Networks (PDH/Serial Communications), capable of explaining system topologies to non-experts
  • Proficient in creating engineering drawings and job packs from equipment Bill of Materials or system extracts
  • Familiarity with networking vendor technologies, including legacy solutions like PDH, Serial communications, and products from vendors such as Nokia and Alcatel-Lucent
  • Expertise in designing, configuring, and testing network technologies across current and legacy solutions
  • Demonstrated commercial awareness to ensure proposed changes meet customer CAPEX/OPEX requirements, with experience in risk identification, impact assessment, and problem-solving in large-scale network deployments.


Benefits of working for BT include:

• Competitive salary
• 10% on target bonus
• BT Pension scheme, minimum 5% Employee contribution, BT contribution 10%
• 25 days annual leave (not including bank holidays), increasing with service
• Huge range of flexible benefits including cycle to work, healthcare, season ticket loan
• World-class training and development opportunities
• Option to join BT Shares Saving schemes.
• Discounted broadband, mobile and TV packages
• Access to 100’s of retail discounts including the BT shop

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.


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.


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.

Company benefits

25 (UK) / 21 (India) days annual leave + bank holidays
Open to job sharing
Open to part time work for some roles
Flexible working week
Mental health platform access
Compassionate leave
Cinema discounts
Buy or sell annual leave – buy up to 5 days/year pro rata
Bank holiday swaps
Adoption leave – 18 weeks full pay, 8 weeks half pay, 6 months statutory
Shared parental leave
Enhanced maternity leave – 18 weeks full pay, 8 weeks half pay, 6 months statutory
Cycle to work scheme
Faith rooms
Pension match/increase
Salary sacrifice
Share options
Employee discounts
Employee assistance programme
Volunteer days – 3 volunteer days per year
Lunch and learns
L&D budget
Season ticket loan
Enhanced sick pay – 3 months
Optional unpaid leave
More information needed
More information needed
More information needed
Work-life balance
More information needed
Role modelling
More information needed
More information needed

Working at BT Business

Company employees

100,000 across BT Group (24,000 at BT Business)

Gender diversity (male:female)

74.3:25.7 (BT Group)

Office locations

UK wide (London, Birmingham, Bristol, Manchester, Liverpool, Glasgow & more), ROI, India, Hungary, Spain, United States, Australia

Hiring Countries

United Kingdom

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