SOC Analyst

Defensive Security SOC Analyst . Location Spain Hybrid/Remote, Barcelona Employment Full-time Team MDR / SOC You do not just categorize alerts. You investigate, trace back to the source, assess impact, and respond. At DEFION's Barcelona SOC, every threat gets the attention it deserves.

Monitor and analyze security alerts in EDR/SIEM platforms, identifying suspicious activity and assessing origin and scope Analyze threat intelligence to anticipate potential attacks against clients Respond to detected threats: contain, mitigate, minimize impact Write reports and client notifications with clear findings and recommendations Improve detection rules, develop procedures and playbooks, automate tasks with scripting Participate in client meetings for ongoing reviews and onboarding support

At least 1 year of experience analyzing security alerts in SIEM and/or EDR platforms (CrowdStrike, Sentinel, Cortex, Splunk, Elastic, etc.) Knowledge of Windows and Linux system administration Solid understanding of networks and protocols: TCP/IP, DHCP, DNS Scripting skills in Bash, Python, or PowerShell Analytical thinking: ability to correlate events, detect attack patterns, and solve complex problems Clear communication in English for international collaboration Availability for 24/7 on-call rotation

Cybersecurity certifications or a master's degree Degree in Engineering, Cybersecurity, or related field

Why you will love working here Red + Blue access Collaborate with Red Team and Blue Team. Access EDR, SIEMs, threat intel, and other tools. Continuous training Internal and external training, certifications, and annual conference attendance. Career plan Personalized development plan tailored to your interests and growth trajectory. Barcelona or remote Flexible remote work or a central Barcelona office. Summer reduced hours. Health + flex benefits Private health insurance, flexible compensation plan (meals, transport, childcare, training). International team Young, dynamic, international team. Excellent work environment and work-life balance. Send your CV and motivation. We respond within 3 business days. Name * Last name Email * LinkedIn profile Motivation * Send application By applying you agree to our privacy policy . Other open positions Defensive Security Detection Engineer (Barcelona) Design detection rules that turn offensive findings into defensive wins. Defensive Security Medior SOC Analyst (NL) Sharp eye in our Dutch SOC. Microsoft Defender, Sentinel, 24/7 MDR operations. Offensive Security Senior Security Specialist Full-spectrum offensive security. Shape your own role at DEFION.

Investigate, respond, protect DEFION's MDR and Managed Threat Intelligence services are expanding internationally. As a SOC Analyst in Barcelona, you join the DRTI team to detect, analyze, and mitigate cyber threats for our clients. You work with CrowdStrike, Microsoft Sentinel, and other leading SIEM/EDR platforms. This is not a checkbox role. You will investigate alerts thoroughly, apply threat intelligence to anticipate attacks, contain threats, and write clear reports with actionable recommendations. You collaborate with Red Team, Blue Team, and detection engineers to keep getting better.