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Fortinet

Systems Engineer – Public Sector, Defence, National Security

Fortinet

. Lead technical engagements across the full sales lifecycle, including discovery, solution design, architecture workshops, presentations and proof-of-concepts .

Posted 11/9/2026full-timeLondon • United KingdomMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in translating complex customer requirements into secure and scalable Fortinet architectures while maintaining compliance with UK Defence and public sector security standards. Proven ability to lead technical engagements and deliver impactful presentations to diverse audiences.

Highest-signal resume keywords
Pre-Sales Engineering ExperienceCybersecurity Technologies KnowledgeUK Security Clearance EligibilityStrong Communication SkillsFortinet NSE/FCP Certification

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Network SecurityNGFWSD-WANSegmentationSASEZero TrustSOC TechnologiesCloud SecurityTechnical DocumentationSolution Design
Soft Skills
Strong CommunicationRelationship BuildingMentorshipCollaborationPresentation Skills
Tools & Technologies
SalesforceFortinet Portfolio
Certifications & Qualifications
Fortinet NSE/FCPCISSPCCNP
Industry Keywords
UK DefenceNational SecurityPublic SectorSecurity Compliance FrameworksNCSC GuidanceNISTDefence StandardsJSPs

Tech Stack

Tools & technologies
CloudCyber Security

About the role

Key responsibilities & impact
  • Lead technical engagements across the full sales lifecycle, including discovery, solution design, architecture workshops, presentations and proof-of-concepts
  • Translate complex customer requirements into secure, scalable Fortinet architectures aligned to operational, security, compliance and commercial constraints
  • Work with Defence customers, systems integrators and partners to understand mission requirements and develop security and networking solutions
  • Deliver product demonstrations, whiteboarding sessions, architecture workshops and technical briefings to technical and executive audiences
  • Support secure network transformation initiatives including SD-WAN, NGFW, segmentation, SOC integration, cloud security and Zero Trust architectures
  • Collaborate with customers, partners, integrators, account teams and Fortinet specialists to ensure solution adoption and customer value
  • Maintain expertise across Fortinet's portfolio, UK Defence and public sector security standards, industry trends and emerging cybersecurity threats
  • Support RFI/RFP responses and maintain accurate technical documentation in Salesforce
  • Provide technical guidance and mentorship to colleagues and partners and share best practices across the Systems Engineering organisation

Requirements

What you’ll need
  • Candidates must already be based in the UK with full right to work
  • Candidates must either already hold, or be eligible to obtain, UK security clearance
  • Experience in a pre-sales engineering, technical consulting or customer-facing technical role
  • Experience supporting UK Defence, National Security, Central Government or other highly secure public sector environments
  • Knowledge of cybersecurity technologies including Network Security, NGFW, SD-WAN, segmentation, SASE, Zero Trust, SOC technologies and Cloud Security
  • Understanding of security and compliance frameworks relevant to UK Government and Defence environments, such as NCSC guidance, NIST, Defence Standards and JSPs
  • Experience working with systems integrators, technology partners or within complex multi-vendor environments
  • Strong communication and presentation skills, with ability to engage technical, commercial and executive stakeholders
  • Ability to build trusted relationships with customers, partners and internal stakeholders
  • Industry certifications such as Fortinet NSE/FCP, CISSP, CCNP or equivalent are an advantage

Benefits

Comp & perks
  • Continuous learning
  • Career development
  • Total Rewards package supporting health, well-being and financial future
  • Inclusive and collaborative work environment