Defence & National Security Systems Engineer (Public Sector)

Fortinet Inc.; Greater London; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

Fortinet Inc. in the United Kingdom is seeking a Systems Engineer to support UK Defence and National Security customers from a hybrid London location.

The role requires UK work eligibility and security clearance prospects as part of mission-critical public sector engagements. You will lead technical engagements, translate complex requirements into Fortinet architectures, and collaborate with account teams, defence partners and systems integrators to deliver secure, scalable solutions across

Qualifications

• Experience in pre-sales or customer-facing technical roles.
• Experience supporting UK Defence or national security environments.
• Knowledge of network security, NGFW, SD-WAN, and Zero Trust.
• Familiarity with security frameworks like NCSC, NIST, JSPs.
• Experience working with systems integrators and partners.

Responsibilities

• Lead technical engagements across the full sales lifecycle.
• Design secure Fortinet architectures aligned to security and compliance.
• Collaborate with defence customers, partners and account teams.
• Deliver product demonstrations and architecture workshops.
• Support RFI/RFP responses and document technical details in Salesforce.

Job description

Fortinet Inc. in the United Kingdom is seeking a Systems Engineer to support UK Defence and National Security customers from a hybrid London location.

The role requires UK work eligibility and security clearance prospects as part of mission-critical public sector engagements. You will lead technical engagements, translate complex requirements into Fortinet architectures, and collaborate with account teams, defence partners and systems integrators to deliver secure, scalable solutions across