Overview 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 / Beneficios * Elective country-specific benefits * Career development programs * Life Empowerment and well-being initiatives * Diversity, Equity & Inclusion * General onboarding program * Community and volunteer activities Responsabilidades * Develop and deploy AI-powered detection rules using ML anomaly models, Sigma/SPL/KQL, and behavioral analytics * Build intelligent SOAR playbooks leveraging LLM reasoning for dynamic decision-making * Implement and tune AI-driven alert triage systems with automated scoring and routing * Manage SIEM components including index optimization, search performance, and data model maintenance * Design prompt engineering frameworks and evaluation harnesses for security-focused LLM apps * Build RAG pipelines using internal knowledge bases, runbooks,



and threat intel * Conduct AI-augmented threat hunting using LLMs for hypotheses and ML for anomaly detection at scale * Develop and maintain CI/CD pipelines for detection rules, playbooks, and ML model deployments * Technical 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%) Requisitos principales * Bachelor’s degree with IT field of study * 8–10 years of relevant experience * 5+ years in security engineering with cross-domain experience (SIEM + 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 cases * Strong Python skills with ML frameworks (scikit-learn, PyTorch) and LLM APIs * Detection engineering experience (Sigma rules, MITRE ATT&CK; mapping, tuning) * Git-based workflow for detection-as-code and infrastructure-as-code * Clear communication * Leadership and initiative * Time management and organization * SPL * KQL * Sigma

📌 Senior Cybersecurity Defense Specialist (Barcelona)
🏢 TD Synnex
📍 Barcelona