Network Security Professional and Specialists

BT Group; Manchester; On-site; GBP 60,000 - 80,000; Full time

Benefits offered by this job

Competitive salary + benefits

Flexible and smart working

Training and development opportunities

Pension scheme

Discounts on BT & EE products

25 days annual leave

3 days volunteering a year

37.5 hour weeks

Job summary

BT Group is seeking a Network Security Specialist in Manchester to lead network security operations, manage critical incidents, and drive changes within a 24/7 environment. You will coordinate across teams, ensure governance, and maintain service stability for multiple clients and vendors.

The role emphasizes ITIL practices, proactive incident resolution, and ongoing improvements in security tooling and automation.

Qualifications

• Industry-recognised security certifications (or equivalent experience).
• Experience in incident ownership and technical leadership within security operations.
• Ability to drive governance, risk assessment and change management across ITIL processes.
• Experience maintaining service stability in multi-customer/multi-vendor environments.

Responsibilities

• Provide technical leadership across Network Security Operations.
• Own and drive resolution for P1/P2 security incidents with stakeholder communication.
• Own and support change management activities ensuring risk assessment and adherence to governance.
• Lead ITIL-based service delivery and continuous improvement across the security operations team.

Tools

Palo Alto PCNSE

Palo Alto Firewalls

F5 Load Balancers & WAF

Forescout NAC

Netskope

Job description

Job Req ID: 63674

Posting Date: 23rd October 2026

Function: Cyber Security

Hours: Full Time (Shift)

Location: Manchester

Salary: Competitive + Benefits (Internal banding D)

BEFORE APPLYING PLEASE NOTE: All candidates must be commutable to Manchester, hold or able to hold SC (security clearance - minimum 5 years UK working history) and be a sole UK National Passport holder.

About the role

The Network Security Specialist is a key pillar within the Secure Networks team, reporting to the Network Security Operations Manager This role is critical to the successful delivery and support of customer security services, combining technical leadership, operational responsibility, incident ownership, and change governance to ensure high-quality outcomes across a 24/7 environment.

What you’ll be doing

• Provide technical leadership across Network Security Operations, acting as a key decision-maker within the team and supporting delivery from a 3rd Line / SME perspective.
• Take ownership of critical (P1/P2) security incidents, providing technical leadership during high-priority outages or security events, driving resolution, stakeholder communication, and service restoration.
• Own and support change management activities, ensuring all changes are risk-assessed, peer-reviewed, implemented to a high standard, and aligned with governance and customer expectations
• Lead and promote best practice across ITIL frameworks, ensuring effective service delivery, incident management, and continuous improvement.

Essential Skills / Experience

Industry-recognised security certifications (or equivalent experience), such as:

• Palo Alto PCNSE
• Palo Alto Firewalls
• F5 Load Balancers & Web Application Firewall (WAF)
• Forescout NAC
• Netskope

• Supporting critical (P1/P2) incidents, driving technical resolution under pressure
• Managing and implementing complex changes in line with governance and risk control processes
• Maintaining service stability across multi-customer, multi-vendor environments
• Network automation and continuous improvement
• Experience with automation, scripting, or tooling to improve operational efficiency

Our Package

• Competitive salary and on-target bonus plan
• Flexible and smart working
• Training and development opportunities
• Competitive share options and pension scheme
• Access to discounts on BT & EE products
• 25 days annual leave (not including bank holidays)
• 3 days paid volunteering a year
• Weekly Hours: 37.5 (Shift pattern)
• Salary: Level D
• Position Type: Full-time
• Contract: Permanent

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.