Operations Advisor, Cyber Defense Operations
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Before you apply
LocationUnited Kingdom
Work modehybrid
Typefull-time
SeniorityMid
Experience3–5 yrs
DepartmentManaged Services & Consulting, 105 - CDOA
Company size201–500 people
PostedJul 29, 2026 · 3mo ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
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
Skills
Splunk
Microsoft Sentinel
Chronicle
SOAR
SPL
KQL
YARA-L
Benefits
Health insurance
Life insurance
Retirement match
Hybrid work
Paid time off
Professional development
We Help the World Be Everyday Ready™
Today’s threatscape is relentless. So are we. At Cyderes, we build practical Identity & Access Management (IAM), Exposure Management, and risk programs, helping organizations stop active threats fast with Managed Detection & Response (MDR) that integrates with existing tools. Powering it all is Meridian, our entity fabric that connects identities, assets, and access into one trusted reality. Augmented by AI and driven by experienced operators, our tireless global team arms organizations with the people, platforms, and perspectives they need to conquer whatever tomorrow throws their way.
🏆 Great Place to Work® Certified™
Role Summary
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
Requirements
•
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
WHY CYDERES?
Benefits that go beyond the basics, we support our people so they can do their best work.
✔ Medical Insurance - Employee covered
✔ Life Insurance - Protection for what matters most
✔ Retirement Match Program - We invest in your future
✔ Hybrid Work Model - 2–3 days in office
✔ Maternity & Paternity Leave - Time for the moments that matter
✔ Paid Time Off - PTO + sick & casual leave
✔ Bereavement & Volunteer Time - Give back to your community
✔ Professional Development - Reimbursement program
✔ LinkedIn L&D Platform - Thousands of courses at your fingertips
✔ Mobile Phone Reimbursement - Stay connected, on us
Legal
Cyderes is an Equal Opportunity Employer (EOE). Qualified applicants are considered for employment without regard to race, religion, color, sex, age, disability, sexual orientation, genetic information, national origin, or veteran status.
Note: This job posting is intended for direct applicants only. We request that outside recruiters do not contact us regarding this position.
WHY CYDERES?
Benefits that go beyond the basics, we support our people so they can do their best work.
✔ Medical Insurance - Employee covered
✔ Life Insurance - Protection for what matters most
✔ Retirement Match Program - We invest in your future
✔ Hybrid Work Model - 2–3 days in office
✔ Maternity & Paternity Leave - Time for the moments that matter
✔ Paid Time Off - PTO + sick & casual leave
✔ Bereavement & Volunteer Time - Give back to your community
✔ Professional Development - Reimbursement program
✔ LinkedIn L&D Platform - Thousands of courses at your fingertips
✔ Mobile Phone Reimbursement - Stay connected, on us
Cyderes is an Equal Opportunity Employer (EOE). Qualified applicants are considered for employment without regard to race, religion, color, sex, age, disability, sexual orientation, genetic information, national origin, or veteran status.
Note: This job posting is intended for direct applicants only. We request that outside recruiters do not contact us regarding this position.