Cyber Security Ops. Specialist

Job Description Cyber Security Ops. Specialist Req

Start Date:

18/05/2026

Job Function:
Security Division: UK Business

Job Location:

G  Cheltenham TE Advertised Salary:
Competitive Salary + Benefits Recruiter:
Krystle James Career Grade: DInternal Closing Date: 29/05/26

Due to the sensitive nature of this role, you may be required to undergo DV (Developed Vetting) level Security Clearance ( ) . 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

You'll be joining a specialist team within Business 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.

You will lead, and drive the expansion of, a SOC function within BT Business, which will deliver protective monitoring to various critical missions in the division. You and your direct reports will maintain and create dashboards, searches, rules and alerts in Elastic SIEM, and integrate threat intelligence, to stay ahead of emerging threats. The SOC will be a reassuring, watchful eye over BT’s operational environments, enabling other teams to execute their missions with confidence.

This job role can be based in Cheltenham, Ipswich or Manchester. Due to security requirements, this role requires you to be located on site during your working hours. 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

Take responsibility for day-to-day security operations across multiple environments, and set your own standards for protective monitoring, agreed with the projects that you will support.

Develop and execute a long-term growth strategy for the SOC team, seeking stakeholder input and executive buy-in.

Mentor and support direct reports to achieve their developmental goals.

Triage, investigate and respond to alerts raised in the SIEM according to customer-specific Operating Models.

Regularly communicate with the Divisional Head of Security regarding the effectiveness of your team and progress made towards its growth strategy.

Essential Skills / Experience Threat Hunting Intrusion Detection & Analysis Stakeholder Management Incident Management Cyber Threat Intelligence Desirable Skills / Experience Technical skills: SIEM engineering & optimisation, detection engineering, threat analysis and triage, incident response, threat hunting, and process development & standardisation.

Leadership skills: including communication, goal setting and delegation.

Negotiation skills: being able to compromise while achieving your team’s goals.

Planning skills: to organise tasks in…