Cyber Security Engineer
Ref : 230908R001-
02/10/2023
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69001 LYON
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12 mois (renouvelables)
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Architecte, Ingénieur cybersécurité

Reactis Group is looking for a qualified Cyber Lead Architect (more than 10 years of experience) to strengthen the team of one of our clients, and focus on:
1) Cyber solutions: define and enhance cyber products architecture, provide guidance for maintenance
2) Business projects: perform security review, provide security guidance and deliverables to projects, improve framework
Mission activities
1. Maintain cyber solutions
• Provide expertise and support for our main Cyber solutions
• Investigate security events/alerts, Indicator of Compromise with high complexity or priority (level 3 support)
• Perform technology & cyber watch, suggest improvements, and implement them
• Define security reports/KPI, track deviations and get them solved
• Automate technical activities (Infra as Code, SOAR, scripts)
• Document cyber operation activities
• Provide training and handover to operation teams including SOC
2. Design Cyber architecture for projects
• Define security requirements adapted to project scope
• Study new solution, align Security project architecture to Cyber framework
• Assess risks, suggest mitigation or remediation actions
• Perform security architecture review
• Coordinate work with key partner teams (Network, Datacenters, IDM, Workplace, application teams…)
• Coordinate Security approvals
• Organize or participate in Design workshops
• Participate to project plan definition, evaluate cybersecurity involvement and workload
• Participate in solution implementation and security automation
• Control implemented solution is aligned with initial/approved design
3. Contribute to Cyber architecture framework & standards
• Define new architecture patterns and contribute to reference library
• Document use cases
• Participate to Security workflows and exception management process
• Define Cyber security automation for implementation, control and audit
• Present and promote Cybersecurity framework to partners, technical teams and management
• Contribute to Cybersecurity service catalogue definition
• Review and enrich cybersecurity standard solutions
• Perform Security techwatch
Technical skills:
• Demonstrated proficiency in Cybersecurity domain (5+ years), with experience in Network, IAM, audit, log management, encryption…
• Understanding and knowledge in DevOps practices is a plus
• Experience in designing and securing architectures (technical and application)
• Knowledge of Security frameworks (NIST, MITRE, CIS…)
• Experience in designing and prototyping security solutions
• Have good capacity of analysis, synthesis and communication (written and oral)
• Good understanding of IT technical constraints
• Experience in project life cycle
• Understanding of Enterprise Architecture