Network Security Engineer


You will be in charge of the Network Security projects of our customers.

As such, you will perform the following missions:

• Preparation, management and monitoring of changes in Security Infrastructures (firewalls, loadbalancers, proxies, etc) taking into account technical and functional constraints (risk and impact assessment)

• Troubleshooting complex incidents in collaboration with group experts (Applications, System, Network)

• Participation in the evolution of Network Security ouf our Clients (capacity, capillary, technological, obsolescence) and continuous improvement

• Coordination with different sectors (production, development, project, manufacturers, supplier), Analysis, Reporting

• Evaluation of network application performance and provision of KPIs (LAN, WAN, MAN performance), Frame Analysis

• Implementation and advanced use of troubleshooting tools (Wireshark, tcpdump, Corvill, Riverbed)

• Architectural studies, deployment and maintenance in operational conditions of metrology tools (MRTG, Infovista, HP NNM)

• Scripting (Perl, bash, Python)


• Data Center Infrastructures, Campus, MAN, WAN, MPLS, Business (Market Data, Order Routing)

• DNS / DHCP Services (IPAM): Infoblox

• CISCO Network Environment (Nexus Series, ASR, 65xx, 68xx, VSS …) and Juniper

• Firewall: Juniper, Checkpoint, Fortinet

• Network flow: Load Balancer F5, QoS (Ipanema), McAfee Proxy

• Routing protocols: OSPF, BGP, EIGRP, ISIS

• BitLocker Encryption, Strong Authentication, TACACS

• Supervisory, monitoring, metrology tools: HP-NNM, Infovista, HP-NA, Riverbed


Higher education ideally Bac +4 / Bac +5 in computer science, you can prove of significant experience in network security successful. You also have a Cisco certification of at least CCNP. You are comfortable with scripting and automation. You are rigorous in your work and have an analytical capacity to understand new issues.

You speak fluent English.


The +

• Knowledge of Python or other scripting language

• Ideally you have CCNP, CCSA or CCSE certification

• Ideally you have knowledge of VMware NSX / vRO / vRA / vROPS

• Data Center Infrastructures, Campus, MAN, WAN, MPLS, Business (Market Data, Order Routing)

• DNS / DHCP Services (IPAM): Infoblox

• Global mastery of an environment from the lower layers of the network to the application layers

• Mastery of network protocols (TCP, UDP, Multicast, client / server applications), Checkpoint / Cisco firewalling, F5 Big IP loadbalancing and Bluecoat proxies

• Mastery of ITILv2 processes, ITILv3

Like all positions in the company, this position is open to people with disabilities.

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