Network and Security Engineer

Network and Security Engineer

We are looking for a motivated Network and Security Engineer to join our Lausanne team and contribute to the design, deployment, and securing of our network infrastructures. You will participate in the evolution of architectures, the management of critical incidents, and the implementation of processes to ensure the availability, performance, and confidentiality of network services.

Main mission – Design, operation and securing of networks

• Design, deploy and administer network infrastructures (LAN, WAN, SD-WAN, VLAN).
• Ensure supervision, monitoring and optimization of network performance.
• Implement and maintain network security devices: firewalls, IPS/IDS, VPN, NAC.
• Manage level 2 and 3 network incidents, perform diagnostics, propose and implement remediation plans.
• Participate in the definition and implementation of security policies (segmentation, hardening, access management).
• Conduct audits, penetration tests and configuration reviews in collaboration with the security team.
• Automate network operation tasks (scripting, IaC) and document architectures and procedures.
• Ensure technological and regulatory monitoring to anticipate developments and propose improvements.

Required technical skills

• Excellent mastery of network protocols and technologies: TCP/IP, BGP, OSPF, MPLS, VLAN, QoS.
• Proven experience on equipment from major vendors (Cisco, Juniper, Fortinet, Palo Alto, etc.).
• Good knowledge of security solutions: firewalling, VPN (IPsec, SSL), IDS/IPS, proxies, web filtering.
• Skills in network virtualization and Cloud Networking (SDN, VPC, Azure/AWS/GCP networking).
• Practice of supervision and observability tools (Nagios, Zabbix, Prometheus, Grafana).
• Scripting for automation (Python, Bash, Ansible, Terraform) and configuration management.
• Knowledge of cybersecurity standards and best practices (ISO27001, RGPD, vulnerability management).

Profile sought

• Higher degree in computer science, networking or security (engineering school, Master, equivalent).
• Significant experience in a similar position in a company or in an SSII/ESN.
• Analytical capacity, rigor and organizational skills to manage incidents and projects simultaneously.
• Good interpersonal skills and ability to work in a cross-functional team (infra, security, DevOps).
• Technical English required; network/security certifications (CCNA/CCNP, Fortinet NSE, Palo Alto, CISSP, OSCP) appreciated.

j4id10415128a j4it0940a j4iy26a