Senior L3 SOC Analyst - Threat Hunting & IR

Integrity360; Brussel Hoofdstad; On-site; EUR 60,000 - 90,000; Full time

Job summary

Integrity360 is hiring a Level 3 SOC Analyst to act as the escalation point in MDR/SOC operations. You will provide advanced technical support to Level 2 analysts and guide investigations across SIEM, EDR, NIDS, and SOAR platforms.

The role requires hands-on security operations experience, strong analytical skills and the ability to communicate findings clearly to customers and stakeholders. This is a Brussels onsite position with standard work hours.

Qualifications

• Minimum 5 years of experience in cyber security or SOC/MDR environments.
• Strong hands-on experience in security operations and incident response.
• Proficient in triaging, correlating events and escalation processes.

Responsibilities

• Act as Level 3 escalation point for advanced, complex or high-impact security investigations.
• Guide Level 2 analysts during complex investigations with technical direction.
• Perform in-depth analysis of security events, logs, and telemetry to drive containment and remediation.
• Lead investigations, including scoping, containment, eradication and remediation recommendations.
• Develop and refine detection use cases, rules and playbooks with a focus on reducing false positives.
• Prepare technical reports and present findings to customers and internal stakeholders.

Skills

SOC Operations

SIEM & EDR

Threat hunting

Incident response

MITRE ATT&CK

Cloud security monitoring

Documentation

Communication skills

Tools

Microsoft Sentinel

Microsoft Defender

Splunk

QRadar

CrowdStrike

SentinelOne

Palo Alto

Suricata

Zeek

Snort

Job description

Integrity360 is hiring a Level 3 SOC Analyst to act as the escalation point in MDR/SOC operations. You will provide advanced technical support to Level 2 analysts and guide investigations across SIEM, EDR, NIDS, and SOAR platforms.

The role requires hands-on security operations experience, strong analytical skills and the ability to communicate findings clearly to customers and stakeholders. This is a Brussels onsite position with standard work hours.