Job Vacancy Expert Cybersécurité / Réseau

Network & Security Technical Leader / Architect - SENIOR

Description de la prestation et du contexte opérationnel :

Analyze business needs, challenge requests, and translate them into technical requirements
• Analyze business needs, challenge requests, and translate them into technical requirements.
• Contribute to the design and definition of solutions, tests, and prototypes.
• Participate in qualification and acceptance testing.
• Engage in a process of industrialization, rationalization, and urbanization of technical solutions.

Write design and operating procedures & schemas.

• Produce documentation to meet production criteria (Go / No Go).
• Automate deployments, including the construction/evolution of technical foundations.
• Manage configurations and integrate them into operational management tools.

Manage incidents and problems (Level 3)

• Diagnose and resolve incidents.
• Manage the relationship with suppliers in case of an incident, in coordination with the NOC
• Generally, provide Level 3 support to maintain operational conditions.

Manage major changes

• Define and write a detailed intervention plan (DIP) ensuring compliance with change management and production processes.
• Support CAB (Change Advisory Board) preparation and manage changes for successful production deployment.

Document / Recommend / Advise

• Document knowledge related to the area of specialization and validate technical deliverables.
• Provide technical expertise support during the specification phases.
• Conduct technical audits and implement control measures on projects and production deployments.
• Communicate, explain, decline, and contribute to the evolution of current technical standards, methods, and best practices.
• Make methodological and/or technological choices.
• Validate or amend design choices, contribute to technical arbitrations to optimize solutions in terms of cost, performance, and security.
• Contribute to the drafting of HLD and LLD in collaboration with Architects.
• Participate in the development of services and commercial proposals.

Applied technological watch

• Conduct foresight studies, general interest studies, and prototypes.
• Propose improvements to enhance the performance of solutions and services.
• Recommend the most suitable techniques or technologies based on constraints and objectives.

Key sucess factors:

• Rate of changes implemented without "major or significant" incidents
• Rate of production deployments without "major or significant" incidents
• Rate of documented solutions with up-to-date documentation
• Rate of major incident resolution within SLA timeframes
• Year-over-year reduction rate of major incidents (continuous improvement loop, particularly through the implementation of a controlled problem management process)

Education Level:

• 4/5 years (Master's degree or equivalent)
Required Experience:
Minimum 3 years of experience as a technical expert or architect with a background in project management and IT infrastructure service management.

Technical Skills:

• A good global network and security knowledge
• Security: FW and IPS technologies, loadbalancing technologies, Proxy technology, VPN SSL access, logging (Splunk), , ...
• Networks: LAN/MAN/WAN technologies, TCP/IP, Ethernet, and virtualized architectures (Layered model, VLAN, VRF, …)
• Expertise on Zscaler solutions, Palo Alto & Fortinet FWs, F5 Loadbalancers
• Excellent troubleshooting skills
• ITIL (Service Transition; Service Operations)
• Monitoring tools
• In-depth technical knowledge and architecture of networks and security infrastructure in remote site, Datacenters and the Cloud
• DNS, DHCP, IPAM, QoS
• Cloud : AWS / Azure experience, with a knowledge of the network & cybersecurity cloud concepts
• Writing of HLD/LLD documents and migration plans