Pre-Sales Systems Engineer — Service Provider (UK)

Fortinet; Greater London; On-site; GBP 65,000 - 90,000; Full time

Job summary

Fortinet, a global cybersecurity leader, seeks a customer-focused Systems Engineer for the UK Service Provider market. You will engage with telecom operators to design and demonstrate Fortinet solutions across large, carrier-grade environments.

In this pre-sales role you’ll drive discovery, solution design and PoCs, mentor colleagues, and stay current with industry trends and Fortinet portfolio to deliver trusted, technical guidance throughout the sales cycle.

Qualifications

• Experience in a pre-sales engineering, technical consulting or customer-facing technical role.
• Experience supporting telecommunications service providers, network operators or large-scale Service Provider environments.
• Knowledge of cybersecurity technologies including Network Security, SASE, SD‑WAN, Zero Trust, SOC technologies and Cloud Security.
• Industry certifications such as Fortinet NSE/FCP, CISSP, CCNP or equivalent are an advantage.

Responsibilities

• Lead technical engagements across the sales lifecycle, including discovery, solution design, presentations and PoCs.
• Partner with telecommunications service providers and network operators to understand requirements and translate into Fortinet solutions.
• Design and position scalable, carrier‑grade security architectures across networking, cloud and security environments.
• Deliver product demonstrations, architecture workshops and whiteboarding sessions to technical and executive audiences.
• Collaborate with customers, internal account teams and Fortinet specialists to ensure successful solution delivery.
• Maintain deep expertise across Fortinet's portfolio, industry trends and emerging cybersecurity threats.
• Support RFI/RFP responses and ensure accurate technical documentation within Salesforce.

Skills

Pre-sales engineering

Technical consulting

Customer-facing

Network security

SASE

SD-WAN

Zero Trust

Fortinet NSE/FCP

Tools

Salesforce

PowerPoint

Job description

Fortinet, a global cybersecurity leader, seeks a customer-focused Systems Engineer for the UK Service Provider market. You will engage with telecom operators to design and demonstrate Fortinet solutions across large, carrier-grade environments.

In this pre-sales role you’ll drive discovery, solution design and PoCs, mentor colleagues, and stay current with industry trends and Fortinet portfolio to deliver trusted, technical guidance throughout the sales cycle.