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BT Group • GBR-London-BTHQ One Braham

Networks Cyber Security Principal

Employment type:  Full time
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Job Description

Recruiter: Molly Lees

Locations: Birmingham, London, Bristol, Manchester, Belfast

Closing Date: 13th August 2026

About the role

The Networks Cyber Security Consultancy Principal leads a range of information security, data protection, governance, risk and compliance activities including client assurance, Cyber Critical Metric compliance, vulnerability management, risk assessments and incident response.

What you’ll be doing

• Leads the development and implementation of the Networks Cyber Security strategy, developing and maintaining a current road map including new features and subservices required to meet commercial demand as well as changes to the security landscape, the sector and technologies.
• Leads the creation of policy for the Networks Cyber Critical Metrics relating to the compliance, validation and assessment of major information technology systems, developing and providing security and governance reviews.
• Leads the implementation of Networks Cyber Critical Metrics and delivery initiatives across the BT Networks.
• Leads the execution of threat modelling and security assessments, determining security requirements and specifications, and developing security solutions to satisfy design requirements.
• Leads the provision of information and cyber security advice and guidance to key stakeholders across the BT Networks including multiple senior stakeholders.
• Leads the reporting of the status of risk exposure and control maturity against the relevant policies and standards.
• Operates as an SME in cyber security, providing expertise and analysis in the development of the Business Continuity Management Programme and Disaster Recovery Plan.
• Ensures product compliance with applicable security standards, group policies and industry best practices.
• Mentors and coaches experienced professionals to develop current and future team capabilities and ensure performance.
• Leads the implementation of continuous improvement opportunities to improve cyber security processes.

Essential Skills / Experience

• Professional cyber security qualifications such as CISSP or CISM, or equivalent recognised certifications.
• Knowledge of industry security frameworks and standards including NCSC CAF, NIST CSF, ISO 27001, Cyber Assessment Framework (CAF), Telecoms Security Act (TSA)
• Experience defining, implementing and governing cyber security metrics, risk appetites, control maturity frameworks and executive-level reporting.

Desirable Skills / Experience

• Proven experience delivering large-scale cyber transformation, security uplift or continuous improvement programmes across complex network and technology estates.
• Familiarity with emerging technology risks including cloud security, AI-enabled cyber threats, security automation and post-quantum cryptography considerations.

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
• 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.

BT Group is the UK’s leading communications group and the holding company behind some of the country’s most recognised brands – including BT, EE, Openreach and Plusnet. Our purpose is as simple as it is ambitious: we connect for good. Our customers include consumers, small, medium and large businesses, public sector organisations and other communications providers.

BT Group’s role is about setting direction, unlocking value and creating the conditions for our brands and businesses to thrive.

Having come through the most capital-intensive phase of our fibre investment, our focus now is on what comes next – simplifying how we operate, using technology and AI to work smarter, and organising ourselves to serve customers better and grow sustainably. Group teams shape strategy, policy, brand, capital allocation and transformation, helping the whole organisation perform at its best.

We have a singular culture that unites all our people: we are customer-first challengers, who are committed, clear and connected. These behaviours unite us as one team to deliver for our colleagues, our customers, our stakeholders and the country. Joining BT Group means working at the heart of a business that matters to the UK, with the opportunity to shape decisions, influence outcomes and help set the future course of one of the country’s most important companies.

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Working at BT Group

3 office days / week

A little flex time

Company benefits

25 (UK, increasing with service) / 21 (India) days annual leave + bank holidays
Adoption leave – 18 weeks full pay, 8 weeks half pay, 6 months statutory
Bank holiday swaps
Buy or sell annual leave – buy up to 5 days/year pro rata
Carer’s leave – Two weeks paid leave
Cinema discounts
Coaching
Compassionate leave
Complimentary Medical Services
Cycle to work scheme
Employee assistance programme
Employee discounts
Enhanced maternity leave – 18 weeks full pay, 8 weeks half pay, 6 months statutory
Enhanced paternity leave – 18 weeks full pay, 8 weeks half pay, 6 months statutory
Enhanced pension match/contribution
Enhanced sick pay – 3 months
Faith rooms
In house training
L&D budget – sponsored accreditation available for certain professions
Learning platform – internal and external learning content via Degreed
Learning license – unlimited access
Lunch and learns
Mental health platform access – Silvercloud
Mentoring
Neonatal leave
Open to job sharing
Open to part time work for some roles
Optional unpaid leave
Private GP service – 24/7 virtual GP access for UK colleagues
Referral bonus
Returnship
Salary sacrifice
Share options
Shared parental leave
Travel loan
Volunteer days – 3 volunteer days per year
Reservist leave
Fertility treatment leave
Pregnancy loss leave
Pregnancy support
Fertility treatment leave
Pregnancy loss leave
Pregnancy support
On-site catering
On-site barista
On-site shower
Modern office
Collaboration spaces
Private booths
On-site wellness room
Open to part-time employees
Open to compressed hours

Awards & Accreditations

2nd - Best Workplace Culture

2nd - Best Workplace Culture

Flexa awards 2026
3rd – Most loved - Large companies

3rd – Most loved - Large companies

Flexa awards 2026
Most Family Friendly Company

Top 10 - Most Family Friendly Company

Flexa awards 2025
Best Career Progression

Top 10 - Best Career Progression

Flexa awards 2025
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