Security Vulnerability Specialist

Job Description

Recruiter: Jayson Coley-Wynters

Career Grade: Internal D (Competitive + Benefits)

Internal Closing Date: 8th May 2026

Locations: Belfast, Hatfield, London, Manchester, Sheffield

Job Description

Why this job matters

This Specialist role is accountable for the technical authority and effectiveness of network vulnerability scanning and management across UK Business Managed Service. It ensures vulnerabilities are proactively identified through robust scanning coverage, accurately assessed in context, and driven through to remediation, materially reducing cyber risk to BT’s national network infrastructure and supporting regulatory, audit, and resilience commitments

What you'll be doing?

• Apply specialist vulnerability management expertise to identify, assess, and manage vulnerabilities across our Customers Managed Service environments.
• Execute vulnerability scanning and assessment activities in line with agreed standards, frameworks, and security policies.
• Lead customer workshops to build customer requirements into solutions and obligations. Design, document and deliver new Tenable customer scanning solutions. Including the support of new bids and opportunities.
• Analyse vulnerabilities using industry best practice (e.g. CVE, CVSS, exploitability context) to determine inherent and residual risk.
• Provide clear, evidence based remediation guidance to network engineering and operational teams, supporting effective risk reduction.

The skills you will need

• Apply specialist vulnerability management expertise to identify, assess, and manage vulnerabilities across our Customers Managed Service environments.
• Execute vulnerability scanning and assessment activities in line with agreed standards, frameworks, and security policies.
• Lead customer workshops to build customer requirements into solutions and obligations. Design, document and deliver new Tenable customer scanning solutions. Including the support of new bids and opportunities.
• Analyse vulnerabilities using industry best practice (e.g. CVE, CVSS, exploitability context) to determine inherent and residual risk.
• Provide clear, evidence based remediation guidance to network engineering and operational teams, supporting effective risk reduction.

The experience you will need

• MANDATORY: Significant experience in vulnerability management with hands on responsibility for vulnerability scanning.
• MANDATORY: Experience operating in complex, large scale enterprise or critical infrastructure environments.
• MANDATORY: Must be the ability to obtain and hold all required clearances (SC, NPPV, etc)

With over 175 years of heritage, BT is now the flagship business brand of BT Group. We’ve brought together our best people and capabilities into a B2B powerhouse serving 1.2 million business customers internationally.

We’re a global leader for secure connectivity and collaboration platforms for businesses of all shapes and sizes, from big household names and government departments, right through to sole traders and new start-ups. But it’s not just the technology that matters, it’s what it can do to help them build stronger, smarter, more secure businesses.

We value diversity and inclusion and believe in making a positive impact. We connect for good by championing digital inclusion and equipping people, businesses, and communities with digital skills to thrive.

As a member of our team, you will be part of an organisation that celebrates difference, fosters innovation and provides you with opportunities to be your best. With millions of businesses relying on us daily, joining BT means you can be part of a diverse and multi-skilled team that makes a significant impact to society.

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.