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BT Group

Senior Digital Security Manager

Location:  GBR Cheltenham - Project Offic, GBR London - 5 Canada Square, GBR Manchester - Dial House
Location flexibility:  3 office days / week
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Job Description

Recruiter: Krystle James

Career Grade: C

Expiry Date: 25/10/26

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.

About the role

The Digital Security Organisation for BT’s Global Secure Solutions Business Unit is there to protect us from these ongoing and persistent cyber security threats. This is a fantastic opportunity for someone to lead and shape the strategic and operational cyber digital vision, whilst driving continuous improvements and keeping one step ahead of the current global threat landscape.

The Senior Digital Security Manager will lead this organisation, supporting the operational and commercial security leads, working in partnership with clients, stakeholders, BT colleagues and external authorities, and therefore the role will be meaningful, transformative and impactful.

This job role can be based in London, Cheltenham or Manchester. Hybrid (4 days office based & 1 day remote). Mon-Fri 37.5. DV Security Clearance is required. Must have lived in UK for 10+ years to obtain clearance.

What you’ll be doing

  • Accountable for the definition, delivery and execution of the Digital Cyber Security Strategy and Digital Security Roadmaps. Embed transformation and change to maintain a suitable security posture against a continuous evolving threat landscape.
  • Accountable for the Digital Security Architecture across the business unit, defining best practice, driving the deployment, integration and configuration of security solutions and enhancements in accordance with ‘secure-by-design’ principles.
  • Driving threat modelling and security impact assessment, tracking digital security risk and exposure across the business unit, determining security requirements and specifications and developing security solutions to mitigate this.
  • Operating as an SME in Digital Cyber Security, providing advice and guidance to key stakeholders across the specific BT Business unit including multiple senior stakeholders, leveraging best practice knowledge to detect, identify and respond to cyber events, threats, security risks and vulnerabilities.
  • Directing a small team to identify information security system needs and deliver security solutions, overseeing the technical definition, configuration, design and implementation of technologies and services in compliance with applicable security standards, policies and industry best practice.

Essential Skills / Experience

  • Information Security Strategy
  • Security Assessment
  • Technical Security Architecture
  • Enterprise Security Architecture
  • Stakeholder Management

Desirable Skills / Experience

  • Extensive Cybersecurity Technical Knowledge, with a strong understanding of modern cyber security principles, technologies, threats, vulnerabilities, and best practices across complex enterprise environments.
  • Proven experience in Emerging Technology Security, including the ability to assess and manage security risks associated with cloud platforms, artificial intelligence, automation, digital transformation and other evolving technologies.
  • Experience of Digital Security Operations, including tracking adversary tradecraft, building an effective threat intelligence pipeline, monitoring, detection, vulnerability management and incident handling.
  • Membership of a professional body desirable e.g. CISSP, CISM, CCISO, GIAC certifications, CRISC.
  • Experience driving change across a complex organisation to uplift cyber maturity and reduce risk.
  • Experience of enterprise Risk Management frameworks and methodologies.
  • Demonstrate Financial Management capability, including budget management, investment planning and supplier oversight.

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:

• 15% 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 and Car allowance

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

#LI-Hybrid

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

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#1 MOST LOVED - ENTERPRISE COMPANIES

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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