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# Lead Cyber Security Advisor

- **Company:** SUMMER-BROWNING ASSOCIATES LIMITED
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** Cyber Security, Security Information and Event Management
- **Published:** September 6, 2026
- **Apply:** https://www.securityclearedjobs.com/job/802083110/lead-cyber-security-advisor-/

## About the Role

The ideal candidate will have an active security clearance and a strong background in Cyber Security and risk management within a high-threat government environment., * Proven expertise in risk management, particularly in information security, utilizing recognized methodologies such as NIST 800-30/37 and ISO 31000.

 * Experienced in managing both internal and external cybersecurity risks related to IT systems, services, and data storage, especially within digital cloud services.
 * Demonstrated ability to provide advice, guidance, and assurance documentation in line with security standards, including NIST, ISO 27001, CIS, CAF, HMG GovS 007, and NPSA.
 * Knowledgeable and hands-on experience with security architecture and Security Information and Event Management (SIEM) tools.
 * Solid track record in risk and threat modelling within high-threat government environments.

 * Industry certifications in CISSP, CISM or CRISC



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