Network and Security Engineer - Level 2

Keoni; Paris; Hybride; EUR 65 000 - 90 000; Plein temps

Résumé du poste

Keoni in France is seeking a Network and Security Engineer to join a transportation-sector client. The role secures deployment of new architectures, guarantees robustness and performance, and supports operations teams in complex environments.

Your missions include technical qualification of routers, switches and firewalls, implementation of reference models, and parameterization of configurations. You will provide Level 3 support and participate in scheduled production operations, including

Qualifications

• 5+ years of experience in network and security engineering.
• Proficiency with Juniper hardware and routing protocols.
• Knowledge of VPNs, WAN/LAN, and MPLS.
• Experience debugging network exchanges and monitoring protocols/tools.
• Familiarity with automation in network configurations (e.g., Ansible).

Responsabilités

• Secure the deployment of new architectures and solutions.
• Guarantee the quality, robustness, and predictability of technical solutions.
• Support operations teams in complex environments.
• Technical qualification of network and security equipment (routers, switches, firewalls).
• Definition and parameterization of equipment configurations.
• Performance tests under production-like conditions and pre-deployment validation.
• Level 3 (N3) support to operations teams on qualified areas.
• Participation in scheduled production operations, including off-peak or on-call interventions.

Connaissances

Linux

Windows

TCP/IP

MPLS

BGP

Debugging network exchanges

APIs in network context

Automation

On-call readiness

Outils

Juniper

Huawei

Ansible

Description du poste

# Network and Security Engineer - Level 2* Network and Security Engineer - Level 2CONTEXT: Experience: 5 years or more Job Titles/Functions: Production, Operations, Infrastructure, Network Engineer Technical Specialties: Telecom Networks, WAN, LAN, Communication Protocols, Operating Systems For one of our clients in the transportation sector, we are currently seeking a Network and Security Engineer. In a context of continuous infrastructure evolution and increased demands for performance, security, and resilience, our client wishes to strengthen its team to:MISSIONS: Secure the deployment of new architectures, guarantee the quality, robustness, and predictability of technical solutions, and support operations teams in complex environments. The service consists of a technical assistance mission involving the qualification and integration of network and security architectures, carried out within the framework of projects to evolve and maintain the operational status of our client's IT infrastructure.The missions will be as follows: Technical qualification of network and security equipment (routers, switches, firewalls), Implementation of reference models conforming to the architecture documents, Definition and parameterization of equipment configurations, Performance of functional and performance tests, including in conditions close to or equivalent to production, Technical integration of architectures before production deployment, Level 3 (N3) support to operations teams on the qualified areas, Participation in scheduled production operations, including occasional interventions during off-peak hours or on-call duty.Desired Expertise Required Technical Skills: Proficiency in operating systems: Linux, Windows, Expertise in network and security equipment: routers, firewalls, switches, Proven expertise in Juniper technologies (essential skill), Knowledge of Huawei equipment, Solid mastery of network protocols: TCP/IP, MPLS, BGP, Confirmed experience in debugging network exchanges, Good knowledge of monitoring protocols and tools, Use of APIs in a network engineering context.Additional skills appreciated: Automation and industrialization of configurations, Proficiency in automation tools (e.g., Ansible), Knowledge of Web application protocols (HTTP, HTTPS).Skills, Technologies and Tools: Linux, Ansible, Juniper, TCP/IP, Windows, MPLS**Work location:** Europe