Job Description
Job Title:  Networks Cyber Security Principal
Req ID:  60405
Job Function:  Cyber Security
Posting Start Date:  04/08/2026
Posting End Date:  13/08/2026
Division:  Networks
Job Location:  GBR-London-BTHQ One Braham
Advertised Salary:  Competitive with Benefits

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.