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
- Maintain network architectures across datacenter environments (logical & physical)
- 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)
- SSL inspection, content categorization, security/risk frameworks
- Fortinet product experience strongly preferred
Linux & Infrastructure (5+ years)
- Administration of RHEL/CentOS, Ubuntu
- Web servers, SQL databases, LDAP, etc.
- OpenStack experience a plus (RHOSP/RHOSO preferred)
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
#LI-NC1
Skills Required
- 8+ years of hands-on networking experience, including Layer 2 switching, IP routing, BGP, OSPF, MPLS, VRRP, STP, GRE, IPsec, and SNMP
- Large-scale BGP experience with public ASNs, peering, route arbitration, and IRRs
- 8+ years of network security experience, including access control, threat management, SSL inspection, content categorization, and security or risk frameworks
- Experience administering RHEL or CentOS and Ubuntu Linux systems
- Strong troubleshooting, documentation, communication, and independent ticket-queue work skills
- Fluency in English
- Preparedness to participate in 24x7 on-call rotation and work one weekend day
- Fortinet product experience
- 5+ years of Linux and infrastructure experience
- OpenStack experience, preferably RHOSP or RHOSO
- Cloud experience with AWS, GCP, or Azure
- Infrastructure-as-code experience with Terraform or Ansible
- Load balancing and large-scale DDoS mitigation experience
- NSE7 or NSE8, CCIE Routing and Switching, RHCSA, or RHCE certification
- Business-level proficiency in the local language
Fortinet Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Fortinet and has not been reviewed or approved by Fortinet.
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Equity Value & Accessibility — Equity in the form of stock awards and RSUs is highlighted as a meaningful part of total compensation and one of the package’s strongest advantages. Recognition programs may include stock, further emphasizing equity’s role in rewards.
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Strong & Reliable Incentives — Performance bonuses and incentives are presented as key components of total rewards, with some roles achieving strong total compensation through these elements. Incentive opportunities are described as a major strength when included in an offer.
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Retirement Support — A 401(k) plan, often with matching contributions, and broader retirement and savings programs contribute to solid financial security. These elements are positioned as competitive features of the package.
Fortinet Insights
What We Do
Fortinet develops and sells cybersecurity solutions.
