Network Security Engineer

Fortinet, Inc.; Frankfurt; Vor Ort; EUR 80.000 - 100.000; Vollzeit

Zusammenfassung

Fortinet, Inc. is looking for a Senior Network Security Engineer to enhance our SASE architecture. This role involves building and operating network monitoring and observability systems while optimizing solutions across network architecture and security operations.

Candidates should have over 8 years of experience in networking and security, along with proficiency in Fortinet products. Familiarity with Linux and automation tools is also essential. Must be available for on-call and weekend coverage as needed.

Qualifikationen

• Expert-level hands-on experience with L2 switching, IP routing, and related protocols.
• 8+ years in network security with Fortinet product experience preferred.
• 5+ years of Linux administration, particularly RHEL/CentOS and Ubuntu.

Aufgaben

• Build and optimize network monitoring and observability systems.
• Develop automation to detect and remediate network events.
• Perform root cause analysis and resolve issues.

Kenntnisse

L2 switching

IP routing

BGP

OSPF

MPLS

SNMP

Fortinet products

RHEL/CentOS administration

Ubuntu administration

Automation

Tools

Terraform

Ansible

AWS

GCP

Azure

Jobbeschreibung

Office based in our Sophia Antipolis (Valbonne, France) office 4 days per week or Kelsterbach (Frankfurt Germany)

Senior Network Security Engineer

About the Role

We’re seeking an experienced network security engineer to build, operate, and scale our SASE architecture, encompassing both logical and physical infrastructure managed through Infrastructure as Code leveraging both Fortinet products and Linux (OpenStack) systems. You’ll work across network architecture, security operations, and automation-designing solutions, driving incident resolution, and implementing systemic improvements to prevent recurrence.

This role includes participation in a 24x7 NOC on-call rotation and requires some staffed weekend coverage.

What You’ll Do

• Build and optimize network monitoring and observability systems
• Develop automation to detect, mitigate, and remediate network events and solve problems
• Perform root cause analysis and drive issues to resolution
• Maintain documentation and operational consistency across the infrastructure
• Contribute to technical discussions and long-range capacity planning
• Provide support to internal teams as a top-tier escalation point for all production issues

What You Bring

Networking (8+ years)

• Expert-level hands-on experience with L2 switching, IP routing, and protocols (BGP, OSPF, MPLS, VRRP, STP, GRE, IPsec, SNMP)
• Large-scale BGP experience: public ASNs, peering, route arbitration, IRRs

Network Security (8+ years)

• Access control, threat management (vulnerabilities, malware, APTs, botnets)
• Fortinet product experience strongly preferred

Linux & Infrastructure (5+ years)

• Administration of RHEL/CentOS, Ubuntu

General

• Strong troubleshooting instincts and documentation habits
• Comfortable working independently in a ticket queue environment
• Clear communicator who can context-switch between deep technical work and stakeholder updates

Nice to Have

• Cloud experience (AWS, GCP, Azure)
• Infrastructure-as-code tools (Terraform, Ansible)
• Load balancing and DDoS mitigation at scale
• Certifications: NSE7/8, CCIE R&S, RHCSA/RHCE

Fluency in English essential + business level of local language highly desirable

Must be prepared to work 1 weekend day and oncall infrequently