M365 Expert for Defender for Exchange

This is a full-time job suitable for passionate professionals who want to work for a leading European Insurance Group on a very flexible work schedule.

You will work as part of a multinational group with true, large, enterprise-wide systems, complex architectures and real-life constraints (speed, performance, non-stop systems availability) and are going to be part of an agile team aimed at designing and implementing enterprise level solutions.

• Contract duration: Permanent
• Schedule: Full-time (8 hrs/day, Monday to Friday)

Your responsibilities

• Operate and continuously enhance Microsoft Defender for Exchange, including threat management policies, anti-phishing, anti-malware and anti-spam protection, Safe Attachments, and Safe Links
• Analyze, assess, and handle email-based security events and incidents (phishing, malware, business email compromise), in close collaboration with Cyber Defense, SOC, and IT Security teams
• Work closely with Exchange Online, M365 Security, Defender Suite, Entra ID, and Workplace Services teams
• Drive continuous improvements in email security, including policy hardening, Zero-Hour protection, attack surface reduction, and user protection measures.
• Implement, maintain, and document security configurations, including reporting and compliance requirements
• Participate in security audits, simulations (e.g., phishing campaigns), penetration tests, and DORA-related controls
• Contribute to knowledge development, standardization, and advisory activities in the field of email and collaboration security.

Required skills

• Several years of experience in at least one of the following areas: Microsoft Defender for Exchange, Exchange Online, M365 Security, Defender XDR, or Secure Email Gateway solutions
• Strong knowledge of modern email-based attack techniques, including phishing, spear phishing, business email compromise (BEC), malware, and QR code phishing
• Experience with SIEM/SOAR platforms, threat hunting, and incident response.
• Hands-on experience with security hardening and policy configuration in Microsoft 365 environments
• PowerShell knowledge, enterprise-level experience, and certifications such as SC-200, SC-300, or MS-102 are considered an advantage
• Strong analytical and structured thinking skills with a responsible and detail-oriented approach
• Excellent teamwork and communication skills
• Proactive, self-driven mindset with a willingness to learn and develop
• Fluent in English (both spoken and written).

Desirable skills (nice to have)

• Knowledge of the insurance domain
• German language skills.

Compensation & benefits

• Very stable work environment, as part of a large Insurance Multinational Group
• Flexible work program, respecting your own private time
• Attractive remuneration package
• Lunch tickets
• Special Days vouchers (Women’s Day, Children's Day, Christmas, Easter)
• Private pension and private health insurance contribution
• Time off when holidays fall on a weekend (up to 3 days/year)
• Exchange of experience and training with international professionals, as a premise for personal development
• Team building events.