Network and Internet Security Engineering

Project overview

Description and Location

Flow

The Network Integration Engineering team is one of the network teams (Network Lead DE) of the Tech Foundation Pole. This area of expertise operates on the client's network, security & Internet infrastructures.

In this context, we are looking for expertise that will integrate a team (squad) responsible for managing and handling firewalling and micro-segmentation topics.

Therefore, you must:

Mission Description:

Projects: technical project management, proposing solutions that meet needs (economically viable), preparing quotes (daily rate costing) and associated configurations.

Management of the Firewalling environment (MCO/MCS);

Level 3 Support;

Delivery of architecture documents, operational guides, and other procedures.

On-call duties and interventions outside of standard working hours are to be expected.

Skills:

Solid technical foundation in Firewalling, good client-facing skills, synthesis skills, curiosity, rigor, team spirit, autonomy, ability to manage stress.

Interpersonal skills and teamwork.

Technical Skills:

Expertise in Fortinet, Palo Alto, Checkpoint, Forcepoint Firewalls.

Micro-segmentation: VMWare NSX-T, Guardicore, CNI Cillium platforms.

Kubernetes environment.

Security (Reverse Proxy, Proxy, WAF, etc.)

Network (LAN, WAN, MPLS, VPN):

Mastery of network protocols and operation

Switching, load balancers, routers...

Scripting and automation.

Certificate Management.

ITIL Process.

PCI/LPM knowledge.

• have significant experience in production activities in complex environments;
• be able to perform analyses/troubleshooting on L3 incidents;
• be capable of supporting/assisting our L2 operations team;
• take charge of various types of projects: supporting the evolution of the group's various subsidiaries, handling hardware and software obsolescence, vulnerability management, etc., all while taking into account the production constraints of a banking environment.

Project details

English level: professional

Experience sought: Senior.

Guyancourt

ASAP

Arrangements: 3 days on-site / 2 days off-site

• Start: 2026-10-31
• Duration: 24 mois (renouvelables)
• Location: 78280 GUYANCOURT, FR
• Languages: French