Senior IT Security Engineer — Hybrid Cloud & SecOps

Keytrade Bank; Brussel; Hybrid; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Hybrid work 50/50 office/home

Agile environment

Green surroundings

Inclusive workplace

Competitive salary package

Job summary

Keytrade Bank, Brussels-based and part of Crédit Mutuel Arkéa Group, seeks an experienced Security Engineer to protect on-premises and cloud environments. You will design and maintain security infrastructures, monitor threats, and lead incident response—with collaboration across Risk & Security teams.

Responsibilities include managing EDR/XDR, SIEM, patching, PKI, WAF, and DLP initiatives, while supporting DevSecOps and cloud hardening.

Qualifications

• 5+ years of experience as a security engineer.
• Strong expertise in cybersecurity.
• Hands-on experience with: DevSecOps.
• SIEM infrastructure experience.
• Experience working in hybrid cloud-connected environments.
• Solid troubleshooting skills (L3 level).
• Professional English (written & spoken).
• Have a clean certificate of good behavior.

Responsibilities

• Design / implement / maintain security infrastructures (on-prem & cloud).
• Monitor security alerts and perform incident response + forensic investigations.
• Manage and improve EDR/XDR solutions to ensure the security of the bank.
• Manage the SIEM Infrastructure (Ingesting new log sources / developing custom correlation rules / creation of dashboards).
• Manage patching strategies for operating systems and infrastructure components.
• Support DevSecOps initiatives (HParameter store / CICD security).
• Perform vulnerability assessments and coordinate remediation activities.
• Hardening of Windows / Linux servers & services according to best practices.
• Hardening of cloud infrastructures (AWS & Azure).
• Administer and maintain Web Application Firewall (WAF).
• Improve and maintain the PKI infrastructure.
• Improve and maintain data leak prevention (DLP) measures across the company.

Skills

Security engineering

Cybersecurity

DevSecOps

SIEM

Hybrid cloud

Troubleshooting (L3)

English (professional)

Certificate of good behavior

Tools

EDR/XDR

WAF

PKI

DLP

SIEM infrastructure

Job description

Keytrade Bank, Brussels-based and part of Crédit Mutuel Arkéa Group, seeks an experienced Security Engineer to protect on-premises and cloud environments. You will design and maintain security infrastructures, monitor threats, and lead incident response—with collaboration across Risk & Security teams.

Responsibilities include managing EDR/XDR, SIEM, patching, PKI, WAF, and DLP initiatives, while supporting DevSecOps and cloud hardening.