Network Design Engineer – Fortinet
🔒 Confidential Employer
Posted 8 May 2026
LOCATION
Not specified
TYPE
Full-time
LEVEL
Mid-Senior level
CATEGORY
Cyber Security
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion
SKILLS
Fortinet NSE4 certification
FortiGate firewalls
Network design and architecture
High-Level and Low-Level Design documentation
BGP dynamic routing
Firewall policy configuration (NAT, Interfaces, Zones)
Routing and switching (Nokia SROS or Cisco)
Python and GIT for automation
FULL DESCRIPTION
Network Design Engineer – Fortinet
Company: [Employer hidden — sign up to reveal]
We are looking for an experienced candidate to fill the role of Network Design Engineer – Fortinet, with strong knowledge in FortiGate firewalls, network design, and security architecture.
Responsibilities
- Gather business and technical requirements in collaboration with multiple stakeholders.
- Develop High-Level and Low-Level Design documents for Enterprise and Mobile Services.
- Manage software/hardware selection, perform bug and security assessments, and work with Test and Delivery teams to review test plans, defects, and deployment activities.
- Participate in vendor selection, contributing to RFPs, technical evaluations, and Proof of Concept testing.
- Collaborate with technology partners to influence network security feature roadmaps, software releases, and budget planning.
- Drive platform improvements, enable automation, and implement scalable DevOps-driven network solutions.
Must-Have
- Fortinet NSE4 certification with strong hands-on experience in FortiGate firewalls, FortiAnalyser, and FortiManager.
- Experience working in Telco/Carrier environments (mobile, security, or infrastructure).
- Solid understanding of firewall architecture and security best practices.
- Proven experience creating High-Level and Low-Level Design documentation.
- Expertise in firewall policy configuration, NAT, Interfaces, Zones, Dynamic Routing (BGP), and logging.
- Understanding of routing and switching, preferably with Nokia SROS (7750) or Cisco (CCNA/CCNP); MPLS knowledge is a plus.
Nice-to-Have
- Familiarity with Palo Alto firewalls, F5 LTM/GTM, or Mobile 5G technologies.
- Experience with OpenConfig and NETCONF-YANG models (JSON/XML) for network automation.
- Working knowledge of Python and GIT for configuration management and automation development.
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