Groupe Aptenia

Offre d'emploi SOC Analyst L2/L3 and Incident Response

Bruxelles

Groupe Aptenia

Azure
CrowdStrike
Linux
Microsoft Sentinel
MITRE ATT&CK
Powershell
Python
QRadar
sentinelone
Splunk
Publiée le 23/10/2026

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You detect, qualify and handle security incidents for end clients or a managed SOC. You are on the front line against threats, from alert triage to incident response, and you continuously improve detection capabilities.

Your responsibilities include: detecting, qualifying and handling security incidents, with the goal of protecting end clients or a managed SOC from threats. You monitor, triage and qualify alerts (SIEM, EDR, NDR, CTI). You lead investigations, including log analysis, event correlation and first-level forensics. You drive incident response through containment, eradication, recovery and lessons learned. You write incident reports and communications for the CISO and IT teams. You develop and tune detection rules and use cases (Sigma, KQL, SPL). You conduct threat hunting based on threat intelligence and the MITRE ATT&CK framework. You automate recurring tasks (SOAR, Python / PowerShell scripts). You write response playbooks and procedures. You take part in crisis exercises and simulations (purple team, tabletop).

Profil recherché

Must-have: 3+ years in a SOC, CSIRT or incident response role. Hands-on experience with at least one SIEM (Microsoft Sentinel, Splunk, QRadar, Elastic) and one EDR (Defender, CrowdStrike, SentinelOne). Solid knowledge of MITRE ATT&CK and common attack techniques (ransomware, phishing, lateral movement). Ability to analyze Windows, Linux, network and cloud logs. Composure and clear communication in crisis situations.

Nice-to-have: Certifications: GCIH, GCFA, GCIA, BTL1, SC-200, CySA+, OSDA. Scripting: Python, PowerShell, KQL. Experience in forensics (memory, disk) and first-level malware analysis. Cloud environments: Azure, AWS, Microsoft 365. Knowledge of the Belgian framework: CCB, CERT.be, NIS2.

Languages: Fluent English required; French or Dutch is a plus.

Environnement de travail

What We Offer: engagements with end clients, with exposure to real incidents; SANS / GIAC certification and training budget; access to cutting-edge tools and environments; career progression to SOC Lead, Incident Response Manager, Threat Hunter or Security Architect.

Lyon, Auvergne-Rhône-Alpes
20 - 99 salariés
Cabinet de conseil
𝐀𝐩𝐭𝐞𝐧𝐢𝐚 – 𝐘𝐨𝐮𝐫 𝐄𝐱𝐩𝐞𝐫𝐭 𝐈𝐓 𝐑𝐞𝐜𝐫𝐮𝐢𝐭𝐦𝐞𝐧𝐭 𝐅𝐢𝐫𝐦 Aptenia is a specialized recruitment agency designed to meet the specific needs of companies seeking top talent. Based in London, Paris, and Lyon, we position ourselves as a key player in sourcing rare and strategic profiles. Our mission is to help clients achieve their hiring goals, reduce vacancy downtime, and maximize productivity by quickly finding the right talent. We are committed to building a service that values expertise and understands business challenges. With a proven network of qualified candidates, we connect top technical experts with fast-growing tech companies. 💻 𝐎𝐔𝐑 𝐈𝐓 & 𝐓𝐄𝐂𝐇 𝐄𝐗𝐏𝐄𝐑𝐓𝐈𝐒𝐄 🔒 𝐂𝐲𝐛𝐞𝐫𝐬𝐞𝐜𝐮𝐫𝐢𝐭𝐲 : Risk management, infrastructure protection, and information system security. ☁️ 𝐂𝐥𝐨𝐮𝐝 : Migration, architecture, and infrastructure optimization (AWS, GCP, Azure). 📊 𝐃𝐚𝐭𝐚 𝐒𝐜𝐢𝐞𝐧𝐜𝐞 & 𝐌𝐚𝐜𝐡𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 : Big Data, analytics, artificial intelligence, and machine learning engineering. 🤖 𝐀𝐫𝐭𝐢𝐟𝐢𝐜𝐢𝐚𝐥 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐜𝐞 : Automation, deep learning, and AI solutions. ⚙️ 𝐄𝐑𝐏/𝐂𝐑𝐌 : Expertise in SAP, Salesforce, and Microsoft Dynamics. We recruit within the top 1% to 3% of talent in France, offering a modern and efficient recruitment approach that enables companies to sustain growth and profitability. By choosing Aptenia, you gain a tailor-made approach and a strategic partner to build high-performing and long-lasting teams.

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SOC Analyst L2/L3 and Incident Response

Groupe Aptenia

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