Defence & National Security Systems Engineer (UK, Clearance)

Perception Point; Greater London; On-site; GBP 60,000 - 90,000; Full time

Job summary

Fortinet is seeking a Systems Engineer for the UK Public Sector, Defence and National Security. You will lead technical engagements, translate complex requirements into secure architectures, and work with customers, partners and integrators to deliver secure networking solutions across multi-site environments.

The role requires UK-based candidates with security clearance eligibility and a track record in pre-sales, cloud security, SD-WAN and NGFW.

Qualifications

• Experience in pre-sales engineering or customer-facing technical roles.
• Knowledge of UK Defence/National Security environments is advantageous.
• Strong security and networking know-how and architecture design skills.
• Certifications such as Fortinet NSE/FCP, CISSP or CCNP are a plus.

Responsibilities

• Lead technical engagements across the full sales lifecycle, including discovery, design, workshops and PoCs.
• Translate customer requirements into secure, scalable Fortinet architectures for Defence and public sector.
• Collaborate with defence partners, system integrators and customers to develop security solutions.
• Deliver product demonstrations and architecture workshops to technical and executive audiences.
• Support secure network transformation initiatives: SD-WAN, NGFW, segmentation, cloud security, Zero Trust.
• Maintain expertise across Fortinet portfolio and UK Defence/public sector standards.
• Assist RFI/RFP responses and ensure technical documentation in Salesforce.
• Share best practices and mentor colleagues within Systems Engineering.

Skills

Pre-sales

Customer-facing

UK Defence

Security networking

Communication

Certs (NSE/CISSP/CCNP)

Tools

Salesforce

Job description

Fortinet is seeking a Systems Engineer for the UK Public Sector, Defence and National Security. You will lead technical engagements, translate complex requirements into secure architectures, and work with customers, partners and integrators to deliver secure networking solutions across multi-site environments.

The role requires UK-based candidates with security clearance eligibility and a track record in pre-sales, cloud security, SD-WAN and NGFW.