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# Operations Advisor, Cyber Defense Operations

- **Company:** Cyderes
- **Location:** UK
- **Experience:** Experienced
- **Salary:** £50,302.0
- **Contract:** Permanent contract
- **Skills:** Cyber Security, Query Languages, Intrusion Detection and Prevention, Kusto Query Language, Security Information and Event Management, Cybercrime, Microsoft Sentinel, Cyber Warfare, Splunk
- **Published:** August 2, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5824350322

## About the Role

* 3-5 years of experience in detection engineering, security operations, or a related discipline
 * Hands-on proficiency with one or more enterprise SIEM platforms (Splunk, Microsoft Sentinel, Chronicle, or equivalent)
 * Demonstrated experience writing and tuning detection rules in production environments
 * Experience in a managed security services or MSSP environment serving multiple clients
 * Proficiency in multiple SIEM query languages (SPL, KQL, YARA-L, or similar)
 * Familiarity with SOAR platforms and automation-assisted detection workflows
 * Experience with threat hunting methodologies and retrohunt program execution
 * Relevant certifications: GCIA, GCIH, GCDA, or SIEM vendor certifications

## Description

The Operations Advisor is the primary technical owner of detection outcomes for assigned clients. You improve detection quality, identify gaps in coverage, and advance client security maturity through expert-level advisory and hands-on detection engineering. You lead the technical account relationship, and you deliver measurable outcomes that clients can see and trust. This role reports to Manager, Cyber Defense Operations
Responsibilities

 * Own and maintain detection coverage aligned to the Cyderes Rule Set
 * Lead tuning and optimization of detection rules across SIEM platforms
 * Identify, prioritize, and remediate detection gaps
 * Be a trusted advisor on detection strategy and operational effectiveness
 * Identify detection improvements based on real-world incident insights
 * Partner with SOC and DFIR teams during escalations
 * Oversee the technical account relationship for assigned clients
 * Lead technical cadence calls focused on detection performance, gaps, and outcomes
 * Translate technical findings into risk-based, business-relevant insights
 * Guide clients on prioritization of improvements based on detection impact
 * Be a trusted advisor on detection strategy and operational effectiveness


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