Ingénieur sécurité​/réseau N2 F​/H

Orange Business Services

Orange Business is aiming to become the leading network and digital integrator in Europe. To achieve this, we rely on our key expertise in next generation connectivity, cloud, and cybersecurity.

Present in 65 countries, our 30,000 employees share a strong determination and team spirit. At Orange Business, every voice counts to build today's and tomorrow's digital solutions, and create a positive impact for our clients, their employees, and the planet.

We offer stimulating career opportunities through innovative projects in data and digital, cloud, AI, cybersecurity, IoT, digital workspace, and big data.

Digital Services is the ESN of Orange Business that combines Cloud, Digital, Data, and AI expertise. More than 4,000 experts across France support companies and public institutions in their digital transformation. Joining us means participating in our clients' transformation through challenging and varied missions. Digital Services France places Responsible Digital at the heart of its concerns, thus affirming the importance it gives to inclusive, sustainable, and trusted digital.

Come and join this adventure with us!

Within the Orange Business Service Center (CDSOB), you will participate in the information system management mission of the Social Affairs Ministries (MSS). The Service Center groups several dozens of employees, some hosted directly on the client site and others present on distant sites.

The Technical Office is in charge of conducting the various projects for the evolution of the services and the infrastructure of our client.

Attached to the Build Manager within the Infrastructure Cell of the Technical Office, as a Security/Network Engineer N2, you will join a dynamic team dedicated to applicative works and infrastructure projects of our client (MSS).

The Technical Office, through its Infrastructure Cell, is responsible for implementing and evolving the services and technical environments of a network infrastructure distributed over 2 data centers (DC), with several distant sites.

Your main role is that of a Security and Network N2 Expert oriented towards projects. This dual competence allows you to have a global vision and make informed decisions during the conception and implementation of security and network solutions. Your autonomy in integrating security considerations is essential to guarantee robust and secure architectures and services.

• Participate in project framing and launch meetings to assist CDPs on Security and Network aspects.
• Participate in the conception and implementation of applicative works and network infrastructure projects.
• Contribute to reflections and definition of architectures in collaboration with the client architect and other experts of the Technical Office.
• Ensure the follow-up and realization of infrastructure evolution projects within the Infra Cell.
• Be a force of proposal to bring improvements to the infrastructure and the processes in place.
• Contribute to the writing of technical documentation and procedures related to projects.
• Collaborate closely with Project Managers (PMs) and other technical experts of the Technical Office.

This position is available in the framework of a mission with one of our clients, based in Montrouge (92).

With a Bac+4/5 degree in computer science/telecommunications, you have a minimum of 2 years of experience in a similar position in a network infrastructure exploitation environment LAN and DC.

You have good knowledge in security on several of the following technologies:

• Firewall Checkpoint (advanced mastery)
• Firewall Palo Alto (advanced mastery)
• Firewall Stormshield
• Firewall Juniper
• VPN SSL & IPSEC (advanced mastery)
• F5 Load Balancer — Local Traffic Manager (LTM) (advanced mastery)
• F5 Web Application Firewall — Application Security Manager (ASM)
• F5 VPN/Firewall — Access Policy Manager (APM)
• Certificates management

You have good knowledge of the following network products and solutions:

• Switching, static and dynamic routing (BGP / OSPF) (advanced mastery)
• Cisco Nexus 9000 (Spine & Leaf architectures and other topologies), Cisco N5K, Aruba, HP, AVAYA switches
• Net…