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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Cybersecurity Defense Specialist - **Company:** Jobrapido - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Software System Penetration Testing, Cyber Security, Query Languages, Identity and Access Management, Python (Programming Language), Machine Learning, Tensorflow, Kusto Query Language, Runbook, Security Information and Event Management, Systems Integration, Software Vulnerability Management, Pytorch, Large Language Models, Prompt Engineering, Software Security, Git, Scikit Learn, Cybercrime, Data Analytics, Low-code, Security Orchestration, Automation & Response - **Published:** September 25, 2026 - **Apply:** https://www.buscojobs.com.es/senior-cybersecurity-defense-specialist-en-barcelona-ID-373137971 ## About the Role monitoring and incident response, identity and access management (10%)AppSec reviews, penetration testing and red teaming to identify gaps and improve detection and automation (20%)Process automation and training to improve team efficiency (20%)Data analytics and KPI reporting for controls health (10%)Collects and analyzes evidence for breaches and investigations (10%)ResponsabilidadesBachelor's degree with IT field of study8-10 years of relevant experience5+ years in security engineering with cross-domain experience (SIEM xqysrnh + SOAR or SIEM + Detection)Proficiency in SIEM query languages (SPL, KQL) and SOAR playbook development (Python, low-code platforms)Experience building/integrating AI/ML models for security use casesStrong Python skills with ML frameworks (scikit-learn, PyTorch) and LLM APIsDetection engineering experience (Sigma rules, MITRE ATTu****CK mapping, tuning)Git-based workflow for detection-as-code and infrastructure-as-codeRequisitos principalesElective country-specific benefitsCareer development programsLife Empowerment and well-being initiativesDiversity, Equity u**** InclusionGlobal onboarding programCommunity and volunteer activities ## Description Experteer Overview¿Le interesa este puesto?Puede encontrar toda la información relevante en la descripción a continuación.In this role you will design, implement, and manage security technologies globally to strengthen TD SYNNEX's cyber protection.You will lead as a technical expert on security projects across the enterprise, shaping defenses and incident response.Expect to work across SIEM, SOAR, AI-enabled detection, and threat hunting to improve protection in on-premise and cloud environments.You will collaborate with cross-functional teams to document procedures and train staff.This is a chance to drive scalable security automation at an enterprise level.Compensaciones / BeneficiosDevelop and deploy AI-powered detection rules using ML anomaly models, Sigma/SPL/KQL, and behavioral analyticsBuild intelligent SOAR playbooks leveraging LLM reasoning for dynamic decision-makingImplement and tune AI-driven alert triage systems with automated scoring and routingManage SIEM components including index optimization, search performance, and data model maintenanceDesign prompt engineering frameworks and evaluation harnesses for security-focused LLM appsBuild RAG pipelines using internal knowledge bases, runbooks, and threat intelConduct AI-augmented threat hunting using LLMs for hypotheses and ML for anomaly detection at scaleDevelop and maintain CI/CD pipelines for detection rules, playbooks, and ML model deploymentsTechnical design, implementation and support for security technologies (30%)Improve core security processes such as vulnerability management, threat analysis, monitoring and incident response, identity and access management (10%)AppSec reviews, penetration testing and red teaming to identify gaps and improve detection and automation (20%)Process automation and training to improve team efficiency (20%)Data analytics and KPI reporting for controls health (10%)Collects and analyzes evidence for breaches and investigations (10%)ResponsabilidadesBachelor's degree with IT field of study8-10 years of relevant experience5+ years in security engineering with cross-domain experience (SIEM xqysrnh + SOAR or SIEM + Detection)Proficiency in SIEM query languages (SPL, KQL) and SOAR playbook development (Python, low-code platforms)Experience building/integrating AI/ML models for security use casesStrong Python skills with ML frameworks (scikit-learn, PyTorch) and LLM APIsDetection engineering experience (Sigma rules, MITRE ATTu****CK mapping, tuning)Git-based workflow for detection-as-code and infrastructure-as-codeRequisitos principalesElective country-specific benefitsCareer development programsLife Empowerment and well-being initiativesDiversity, Equity u**** InclusionGlobal onboarding programCommunity and volunteer activities ## Related Videos - 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