Senior Security Engineer - freelance
Core
Designing, implementing, and maintaining cybersecurity solutions to protect government systems and critical infrastructure.
Role type
Senior Security Engineer (freelance)
Builds
Cybersecurity solutions for public sector bodies and critical infrastructure
Domain
Public sector cybersecurity / Government infrastructure
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Security standards and compliance (ISO 27001, NIS2, GDPR), Cryptographic principles and algorithms (AES, GCM, HMAC, SHA), Identity protocols (SAML, OAuth, OpenID Connect, JWT), Network security architecture (firewalls, IPSec, TCP/IP), Linux/Unix system hardening, Secure SDLC and automation scripting, Vulnerability management and incident response
Preferred skills
French language proficiency
Technologies
Splunk, Fortigate, Imperva, AWS KMS, HSMs
Responsibilities
Design and implement security controls aligned with EU regulations; Monitor and investigate security events using SIEM tools; Remediate vulnerabilities and manage cryptographic assets; Develop automation scripts for security monitoring; Produce technical documentation and audit reports; Collaborate with public sector bodies and internal teams
Seniority
Senior, hands-on IC