Cyber Security Engineer

Freelance Mobile Security / Forensic Engineer

Location: Brussels (onsite)

Duration: Long-term freelance

Nationality: EU required

We are seeking an experienced Mobile Security & Forensics Engineer for a freelance onsite mission in Brussels. You will play a key role in developing and enhancing diagnostic frameworks, supporting incident response activities, and leading mobile security analysis across a large-scale institutional environment.

Responsibilities

• Define business and technical requirements for mobile security initiatives
• Design architecture for large-scale mobile diagnostic data collection & processing
• Create and enhance analysis workflows for mobile forensic data
• Perform sysdiagnose analysis focused on iOS devices
• Conduct advanced malware, intrusion, and reverse-engineering investigations
• Develop tooling in Swift and Python to support diagnostics & analysis
• Contribute to threat-intelligence and detection-rule repositories
• Support knowledge-sharing, workshops, and awareness training
• Build and maintain open-source components and documentation

Required Expertise

• Strong background in mobile forensics & iOS sysdiagnose analysis
• High proficiency in Swift & Python scripting / engineering
• Experience with incident response & threat detection operations
• Familiarity with Splunk, MISP, and threat-intel data processing
• Strong knowledge of Linux OS internals & system behavior
• Experience with digital forensics, intrusion analysis, and malware behavior
• Relevant security certifications are an asset (GCFA, GCFE, GCIA, GREM, GNFA, etc.)
• Excellent command of English

Conditions

• Freelance / Independent contractor
• Onsite presence in Brussels