Executive Threat Hunter: Proactive Cyber Defense Lead

Full Time | Valencia, Spain or Remote on EMEA (CET +/-2 hours)

Location: Valencia, Spain or Remote on EMEA (CET +/-2 hours)

Teleworking option: Yes

SCOPE OF WORK:

• Contribute to the development, implementation, validation, tuning, and maintenance of security monitoring, analytics, and detection capabilities across SIEM, EDR, cloud, and other cybersecurity platforms.
• Support the operation, maintenance, optimization, and continuous improvement of security monitoring and threat detection services.
• Participate in the onboarding, integration, testing, and validation of security data sources, telemetry feeds, and monitoring capabilities.
• Contribute to security content management activities, including use case lifecycle management, rule reviews, testing, tuning, and content quality assurance.
• Collaborate with cyber threat intelligence, incident response, and cybersecurity operations teams to translate operational and threat intelligence requirements into effective detection and monitoring capabilities.
• Under guidance, participate in cybersecurity architecture reviews of new or existing solutions and provide recommendations to enhance security monitoring and detection effectiveness.
• Contribute to the preparation and maintenance of cybersecurity operations metrics, dashboards, KPIs, and service performance reports.
• Review, validate, and assess the effectiveness of detections, monitoring configurations, operational processes, and service deliverables, identifying opportunities for improvement.
• Gather and analyze operational feedback to identify opportunities for tuning, optimization, reduction of false positives, and improvement of overall detection quality.
• Contribute to quality assurance activities, including process reviews, control validation, service quality assessments, and implementation of corrective actions.
• Support the development, review, and maintenance of CSOC procedures, standards, documentation, knowledge base articles, and operational guidance materials.
• Prepare and present technical reports, summaries, findings, and recommendations to internal and external stakeholders.
• Provide other ad hoc support as required

The resource MUST have the following skills and experience:

• A minimum of five (5) years of relevant experience in information technology field, including triage of alerts and supporting security incidents.
• Proven experience on administering a SIEM platform, preferably either Splunk or Microsoft Sentinel SIEM.
• Proven experience with the usual toolbox available in a SOC (e.G., SIEMs, EDRs) and being able to autonomously perform technical analysis of security threats and collaborate with Incident Response team
• Deep knowledge of Microsoft Security Tools (e.G. M365, Cloud App Security, Azure, Defender for Endpoints, Azure Security, Azure Sentinel and XDR
• Deep Knowledge of Cloud technologies (e.G. Azure, AWS and GCP)
• Deep knowledge of SIEM tools like Splunk, QRadar, ArcSight, MS Sentinel, ELK Stack
• Knowledge of at least one EDR solution (MS Defender for Endpoint, CrowdStrike)
• Knowledge of email security, network monitoring, and incident response
• Knowledge of Linux/Mac/Windows
• Expert knowledge of English, both written and spoken, is required

The resource SHOULD have the following skills and experience:

• Experience in building SIEM architectures from initial design to implementation, including designing data ingestion pipelines for diverse log sources across cloud and on-prem environments
• Proven knowledge of monitoring AWS environment (Iaas, Saas, Paas)
• Knowledge of at least one general-purpose or shell scripting language (e.G. Ruby, Bash, PowerShell, Python, etc.)

• Excellent communication skills
• Customer-facing experience and oral communication skills
• Ability to write documentation & reports
• Creativity/ability to find innovative solutions
• Willingness to learn on the job
• Conflict management & cooperation

Desirable certifications:

• Technical certifications: MCSE, CCNA, Microsoft Azure (e.G., SC-200), GCIH, CEH, GCFA or any GIAC/similar certification
• Relevant industry certifications

Teleworking Option:

• Yes, up to 4 days per week for consultants working from Valencia