Public Sector Systems Engineer — Defence & National Security

Fortinet; Greater London; Hybrid; GBP 70,000 - 95,000; Full time

Job summary

Fortinet is seeking a Systems Engineer for UK Public Sector (Defence & National Security) in London. Hybrid work arrangement, with security clearance eligibility and UK-based right to work essential.

The role involves leading technical engagements, translating requirements into Fortinet architectures, and working with Defence customers, integrators and partners to deliver secure, scalable solutions across public sector environments.

Qualifications

• Experience in pre-sales engineering or technical consulting in public sector contexts.
• Knowledge of cybersecurity technologies including NGFW, SD-WAN, Zero Trust.
• Understanding UK Government/Defence security standards (NCSC/NIST/JSPs).
• Experience working with partners and multi-vendor ecosystems.

Responsibilities

• Lead technical engagements across the full sales lifecycle with Defence and National Security customers.
• Translate complex requirements into secure Fortinet architectures.
• Deliver product demonstrations and architecture workshops for technical and executive audiences.
• Support RFI/RFP responses with accurate technical documentation.

Skills

Pre-sales engineering

Security architectures

UK defence knowledge

Customer facing

Tools

Fortinet NSE

NIST frameworks

Job description

Fortinet is seeking a Systems Engineer for UK Public Sector (Defence & National Security) in London. Hybrid work arrangement, with security clearance eligibility and UK-based right to work essential.

The role involves leading technical engagements, translating requirements into Fortinet architectures, and working with Defence customers, integrators and partners to deliver secure, scalable solutions across public sector environments.