Siem Engineer
5 days ago
**About the Role**:
**Key Responsibilities**:
- Design, develop, test, and deploy **detection use cases**(correlation rules, alerts, dashboards, and reports) in SIEM environments.
- Perform **use case tuning and optimization**to reduce false positives while maintaining high detection efficacy.
- Collaborate with threat intelligence, incident response, and security architecture teams to align use cases with MITRE ATT&CK, organizational risk, and compliance requirements.
- Conduct **use case validation workshops**and document logic, data sources, and expected outcomes.
- Integrate log sources (endpoint, network, cloud, identity) into SIEM platforms and normalize data using CIM or equivalent models.Maintain use case inventory, versioning, and lifecycle management.
**Required Qualifications**:
- **3+ years**of hands-on experience in **SIEM use case development**.
- **Proficiency in at least 2**of the following platforms (with demonstrable use case examples):
- **IBM QRadar**(AQL, custom rules, offense tuning)
- **Splunk**(SPL, ES Content Development, CIM normalization)
- **Elastic SIEM**(EQL, detection rules, ECS mapping)
- **Google Security Operations (SecOps)**(formerly Chronicle; YARA-L, rule authoring, entity graphs)
- Strong understanding of **log parsing, regex, and data normalization**.
- Experience with **threat hunting**and translating IOCs into detection logic.
- Familiarity with **MITRE ATT&CK**, kill chain methodologies, and risk-based prioritization.
- Scripting skills (Python, Bash, or PowerShell) for automation and custom integrations.
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