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# Lead Security Consultant

- **Company:** Trident
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Microsoft Azure, Cyber Security, Python (Programming Language), Windows Servers, PCI Data Security Standards, Windows PowerShell, ArcSight SIEM Tool, Security Information and Event Management, Virtualization Technology, QRadar, Cyber Threat Analysis, Firewalls (Computer Science), Cybercrime, Microsoft Sentinel, Trident, Splunk
- **Published:** November 7, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/lead-security-consultant/55318683

## About the Role

We are looking for an experienced cyber security professional who combines strong technical capability with sound judgement, commercial awareness and confident client communication.
Substantial experience in cyber security operations, incident response, threat hunting or security consultancy.
Demonstrable experience leading complex incidents and coordinating multiple stakeholders.
Strong experience with SIEM platforms such as Microsoft Sentinel, Splunk, IBM QRadar or ArcSight.
Practical knowledge of forensic investigation, threat intelligence and evidence-led root-cause analysis.
Broad technical understanding of Microsoft 365, Azure, Windows Server, identity, networking, firewalls, endpoint security, virtualisation and resilience technologies.
Ability to explain complex security risks clearly and provide proportionate, commercially aware recommendations.
Experience within an MSP or multi-client environment is highly desirable.
PowerShell or Python capability is advantageous.
A recognised security certification such as CISSP, CISM, GCIH, CompTIA CySA+, SC-200, SC-100 or AZ-500 is desirable.

Next Steps

If you are an experienced security professional looking to lead high-impact investigations and help shape a growing security capability, we would love to hear from you. Apply today to be considered for this

## Description

The

Lead Security Consultant

leads the investigation, containment and resolution of complex cyber

security incidents. Combining hands-on technical expertise with strategic client guidance, you will help Trident and its clients identify threats, reduce risk and strengthen their security posture.
Lead complex incident investigations, forensic analysis and root-cause determination.
Monitor and analyse security events using SIEM platforms, threat intelligence and security tooling.
Conduct proactive threat hunting and enrich alerts to identify sophisticated threats and indicators of compromise.
Coordinate containment, eradication, recovery and post-incident review activity across clients, internal teams and third parties.
Provide clear risk assessments, incident reports and practical security recommendations to technical and non-technical stakeholders.
Support security governance and compliance requirements, including UK GDPR, ISO 27001 and PCI DSS where applicable.
Improve SOC processes, playbooks, tooling and reporting, while mentoring junior security colleagues.