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Fibre Designer

Job Req ID:  56603
Posting Date:  9 Mar 2026
Function:  Security
Unit:  UK Business
Location: 

Euston TE, London, United Kingdom

Salary:  Competitive Salary + Benefits

Recruiter: Krystle James

Career Grade: D

Internal Closing Date: 19/03/26

 

Due to the sensitive nature of this role, you will be required to undergo DV (Developed Vetting) level Security Clearance (https://www.gov.uk/government/publications/united-kingdom-security-vetting-clearance-levels/national-security-vetting-clearance-levels). An allowance of £5k per annum may be payable monthly while you hold this DV and continue to work in a role that requires that level of security clearance. The terms of this allowance will be made available if you are successful in being recruited into this role.

 

Security isn’t always the first thing that comes to mind when you think of BT, but when it comes to keeping everyone safely connected, We Are The Protectors. We deal with thousands of cyber-attacks every day, so that millions of people can safely go about their daily lives and run their businesses.   We deliver vital work at scale, with real breadth and impact. We connect for good.
You'll be joining a specialist security team that is a trusted partner to governments worldwide, protecting critical national infrastructure and committed to the safety and security of our nation and global communities. Our mission focused work is innovative, inspiring and technologically challenging in a way that makes every day different and stimulating. We provide the opportunity to work on rare projects, with exciting tools and brilliant people. Everyone has access to unparalleled professional and personal development opportunities and your contribution is always valued.

Why this job matters

 

Engineering is a large multi-disciplined ‘professional services’ engineering practice. The team is organised in key customer focused capabilities which each have sub-capability areas comprising single or multiple engineering delivery projects.

Our Engineering mantra is “Technical Excellence in Engineering”, and we deliver some amazing technical capabilities for our customers which can only happen if we recruit, train, and support our people

The purpose of this role is to Support the organisation by delivering customer networks, platforms, and systems in support of ourselves and special customers.

 

 This job role is based in London. Onsite (5 days office based). Monday-Friday 37.5 hours. DV Security Clearance is required. Must have lived in UK for 10+ years to obtain clearance. 

What you’ll be doing

 

  • Accountable: Has defined authority and responsibility for a significant area of work covering technical responsibilities.

 

  • Accountable: Establishes technical objectives and delegates responsibilities.

 

  • Leadership: Influences a significant part of own organisation and influences customers/suppliers and industry at a senior management level (e.g., around resourcing of delivery teams and technical direction of work).

 

  • Leadership: Directs work resourcing, owns site issues and resolution of problems

 

  • Leadership: Performs technical coaching and mentoring

Essential Skills

Troubleshooting
Escalation Management
Issue Resolution
Network Delivery
Health & Safety
Vendor Management
Network Security
Network Testing
Network Configuration
Technical Documentation
Network Integration
Network Implementation
Network Design
Incident Management
Event Planning
Decision Making
Growth Mindset
Inclusive Leadership

What we'd like to see on your CV

 

  • Network design and delivery engineer with experience with medium- to large-scale, high-availability, high-integrity IP management networks as part of larger delivery programmes. Capable of taking customer requirements and architecting a cost-effective IP network to meet those functional and non-functional requirements.

 

  • Demonstrates a good understanding of network management, network operations, optical transport networks and cyber-security to work with other engineers and managers specialising in those areas to deliver a complete working solution.

 

  • Can estimate performance and scaling requirements and then identify and select cost-effective network devices that meet those requirements. Able to take network design and cost data and convert this into financial cost models in support of the programme management team; can similarly estimate design, test, and deployment effort requirements for network delivery.

Benefits

 

  • Competitive salary
  • 10% on target bonus (Depending on country based)
  • BT Pension scheme, minimum 5% Employee contribution, BT contribution 10%
  • On-call allowance (Depending on role requirements)
  • 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
  • From January 2025, equal family leave:  receive 18 weeks at full pay, 8 weeks at half pay and 26 weeks at the statutory rate. It’s for all parents, no matter how your family is made up.​
  • Enhanced women’s health support: including help with menopause symptoms, cancer screenings, period care and more.​
  • 24/7 private virtual GP appointments for UK colleagues​
  • 2 weeks paid carer’s leave ​
  • 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

 

 #LI-Onsite

Security is one of the fastest growing parts of our global organisation. We are protecting our networks from more than 6,500 cyber attacks each day, investing over £40m in research each year - and in employing nearly 3,000 people, we’re also the largest private cyber employer in the UK.  With incredible opportunities to learn, develop and grow your skills, we’ll invest in you, nurture your potential and shape your future – whatever your background or experience. 
 
In today’s world, safe and secure digital connections have never been more vital. You’ll be joining a global company operating at the forefront of the information age: BT employs 90,000 people in 180 countries. With huge scale, we’re capable of achieving great things, striving to be personal, simple, and brilliant for our customers whilst creating an inclusive working environment where people from all backgrounds can succeed. Play your part. Make a difference. We are the Protectors.

 

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.

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