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Triumph Consultants Ltd

Senior Security Engineer

On site

London, United kingdom

Senior

Freelance

23-09-2025

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Expired

Skills

Communication Cloud Security Monitoring Infrastructure as Code

Job Specifications

Senior Security Engineer
Contract Length: short term until 2/12/2025
Location: London or potentially can be worked remotely
IR35: Inside
The Role
This role sits within the team responsible for all infrastructure, end user computing, onsite support, and the delivery of technology projects, managing 95,000 devices across 900+ sites.
The postholder will play a critical role in delivering the initial phase of the security monitoring project.
Key Accountabilities Manage Security Platforms - Operate and optimise SIEM and SOAR tools to keep systems secure and monitored.
Develop Playbooks - Create and maintain automation and correlation rules to improve incident detection and response.
Work with Stakeholders - Communicate clearly with technical and non-technical teams to ensure alignment with standards and priorities.
Key Criteria
2+ years in security platforms management (SIEM, SOAR).
Expertise in enterprise-level monitoring and supporting large user bases (10,000+ users).
Experience in creating/managing security playbooks and knowledge of public sector standards.
Experience in XSIAM correlation/playbooks.
Excellent communication skills, able to articulate technical concepts to diverse audiences.
Technical Requirements
Proven experience with Cortex XDR, Cortex Data Lake, and Cortex XSOAR.
Solid understanding of cloud security, network/system security fundamentals, and Scripting for automation.
Desirable Qualifications
Familiarity with compliance and security standards (GDPR, HIPAA, NIST).
Familiarity with Infrastructure as Code.
How to Apply
Quote the Job Title and Reference Number in your application.
Submit your CV in Word format.
Applications are reviewed on a rolling basis-early submission is recommended.
We will also add your details to our mail out lists. Please note you may receive details of roles outside of your immediate vicinity, as many candidates are able to relocate temporarily for work. Please disregard any such emails that are not of interest and let us know if you would rather not receive such mailouts and/or if you wish us to delete your details and prefer to apply direct to our advertised roles.
If you consider yourself to have a disability or if you are a veteran, and you meet the essential criteria for the role, you will be put forward for the Guaranteed Interview' scheme whereby you will have the opportunity to discuss this role and your suitability with a member of the Sourcing team.
If you do not hear from us within three working days, unfortunately your application has not been shortlisted on this occasion. Thank you for your interest in working with us.

About the Company

Join Triumph Consultants: A Leading Partner in Public Sector Recruitment Since 2000, Triumph Consultants Limited has grown from a specialist in local government services to a top recruitment firm, trusted by public sector organisations and private companies across the UK. With 20+ years of experience, we provide staffing solutions that meet the unique demands of public service. What We Offer: Temporary & Contract Staffing: We supply skilled professionals to over 250 public sector clients, including local authorities, emer... Know more