Systems Engineer, Large Enterprise - Paris, France

Fortinet, Inc.; Paris; On-site; EUR 65,000 - 90,000; Full time

Job summary

Fortinet in Paris, France, is seeking a Systems Engineer to support the sales organization with pre-sales engineering and technical guidance across networking and security solutions.

You will qualify leads technically, be the main technical resource on sales calls, discuss features and integration, and help customers with post-sales training, leveraging deep knowledge of routing, switching, VPNs and security technologies.

Qualifications

• 5–8 years of technical/pre-sales experience as sales or systems engineer.
• 5–8 years in LAN/WAN/Internet services administration.
• Strong understanding of DNS, NFS, SMTP, HTTP, TCP/IP.
• Knowledge of Routing, Switching, VPN, LAN, WAN, Network Security, IDS, Antivirus.
• Understanding of RADIUS, PKI, IKE, Certificates, L2TP, IPsec, Firewall, 802.1Q, MD5, SSH, SSL, SHA1, DES, 3DES.
• Ability to communicate effectively in English.

Responsibilities

• Support the sales organization in technical matters (pre-sales).
• Be the main technical resource on sales calls and explain features and integration to customers.
• Conversant with networking applications and solutions.
• Provide post-sales training assistance to identified customers.

Skills

Pre-sales

LAN/WAN Admin

Networking protocols

Security concepts

Encryption/authentication

English communication

Job description

Paris, France

Job Info

• Job Identification 23954
• Job Category Systems Engineering
• Posting Date 08/28/2026, 10:18 PM
• Locations Paris, France
• Job Schedule Full time

Job Description

Paris, France

Role Overview:

Join Fortinet, a cybersecurity pioneer with over two decades of excellence, as we continue to shape the future of cybersecurity and redefine the intersection of networking and security. At Fortinet, our mission is to safeguard people, devices, and data everywhere. We are currently seeking a Systems Engineer to contribute to the success of our rapidly growing business.

The Systems Engineer's main mission will be to support the sales organization in all technical matters regarding pre-sales, sales calls.

As a Systems Engineer you will :

• Assist in qualifying sales leads from a technical standpoint (Pre-sales)
• Be the main technical resource on sales calls and answer/ educate the customer on issues ranging from features, specifications and functionality to integration.
• Conversant with networking applications and solutions.
• Provide assistance to identified customers with post-sales training.

We Are Looking For:

An insightful and influential collaborator to join our team. We encourage you to apply for this position if you have the following qualities:

• 5 – 8 years experience in technical/pre-sales support as a sales or systems engineer
• 5 - 8 years experience in LAN/WAN/Internet services administration
• Strong understanding of DNS and NFS, SMTP, HTTP, TCP/IP
• Knowledge of the following technologies: Routing, Switching, VPN, LAN, WAN, Network Security, Intrusion Detection, and Anti Virus.
• Strong understanding in the following technologies and protocols: RADIUS, PKI, IKE, Certificates, L2TP, IPSEC, FIREWALL, 802.1Q, MD5, SSH, SSL, SHA1, DES, 3DES
• Experience with encryption and authentication technologies required
• Ability to communicate effectively in English

Education:

Why Join Us:

At Fortinet, we embrace diversity and inclusivity. We encourage applications from diverse backgrounds and identities. Explore our welcoming work environment designed for a rewarding career journey with an attractive Total Rewards package to support you with your overall health and financial well-being. Join us in bringing solutions that make a meaningful and lasting impact to our 660,000+ customers around the globe.