Security Engineer - SIEM
Security Engineer - SIEM - sought by investment bank based in London - Contract - Hybrid
*Inside IR35 - umbrella*
Key Responsibilities
- SIEM Management & Optimization:
- Design, implement, and maintain Microsoft Sentinel workspaces, connectors, analytics rules, and playbooks
- Develop advanced KQL queries for threat hunting and reporting
- Optimize SIEM performance, cost, and data retention policies
- Troubleshoot log ingestion and parsing issues
- Log Source Integration:
- Onboard and configure critical log sources (AD, firewalls, servers, cloud infrastructure)
- Manage event collection and forwarding infrastructure
- Implement data filtering and custom log parsing
- Threat Detection & Use Case Development:
- Develop and refine detection rules based on threat intelligence and attack patterns
- Continuously improve detection efficacy and reduce false positives
- Security Monitoring & Incident Response:
- Monitor systems for anomalies and malicious activity
- Contribute to threat hunting and incident response playbooks
- Provide expert guidance on securing applications and infrastructure
- Security Advisory & Innovation:
- Support PoCs for new security tools
- Help define and measure control effectiveness
Required Skills & Experience
- 3+ years in a Security Engineer, SOC Analyst, or similar role
- Hands-on experience with Microsoft Sentinel and KQL
- Strong knowledge of Active Directory, Windows/Linux systems, and cloud platforms (Azure, AWS, GCP)
- Proficiency in scripting (PowerShell, Python)
- Familiarity with security frameworks (MITRE ATT&CK, NIST, Kill Chain)
- Experience with EDR, DLP, Proxy, and SEG tools
Desirable Qualifications
- Certifications: AZ-500, SC-200, SC-900, CompTIA Security+, CISSP, GCIA, GCIH, GCFA, CCSP
- Experience with SOAR playbooks, YARA rules, STIX, and YAML
- Participation in red/purple team exercises
Please apply within for further details - Matt Holmes, Harvey Nash
- Company
- Harvey Nash
- Location
- London, South East, England, United Kingdom
- Employment Type
- Contractor
- Salary
- £600 - £720 per day
- Posted
- Company
- Harvey Nash
- Location
- London, South East, England, United Kingdom
- Employment Type
- Contractor
- Salary
- £600 - £720 per day
- Posted