Systems Engineer - Service Provider

Salary: £50,000 - 82,000 per year

Requirements:

• Candidates must already be based in the UK with full right to work.
• Experience in a pre-sales engineering, technical consulting, or customer-facing technical role.
• Experience supporting telecommunications service providers, network operators, or other large-scale Service Provider environments.
• Knowledge of cybersecurity technologies including Network Security, SASE, SD-WAN, Zero Trust, SOC technologies, and Cloud Security.
• Understanding of carrier-grade networking, multi-tenant architectures, MPLS/IP networking, managed security services, or large-scale service delivery environments is advantageous.
• Strong communication and presentation skills, with the ability to engage both technical and non-technical audiences.
• A collaborative mindset and the ability to build trusted relationships with customers and internal stakeholders.
• A desire to contribute to a high-performing and inclusive team.
• 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 proof-of-concepts (PoCs).
• Partner directly with telecommunications service providers and network operators to understand their business and technical requirements and translate these into effective Fortinet solutions.
• Design and position scalable, carrier-grade security architectures across networking, cloud, and security environments.
• Deliver engaging product demonstrations, architecture workshops, and whiteboarding sessions to both technical and executive audiences.
• Work cross-functionally with customers, internal account teams, and Fortinet specialists to ensure successful solution delivery.
• Maintain deep expertise across Fortinets portfolio, industry trends, and emerging cybersecurity threats.
• Support RFI/RFP responses and ensure accurate technical documentation within Salesforce.
• Act as a trusted technical advisor, providing guidance and mentorship to colleagues and sharing best practices across the wider Systems Engineering organisation.

Technologies:

• Cloud
• Support
• MPLS
• Network
• Salesforce
• Security

More:

We are Fortinet, a global cybersecurity leader with over two decades of innovation, protecting people, devices and data everywhere as we continue to shape the future of secure digital transformation. We are hiring a customer-focused Systems Engineer to support our UK Service Provider business, working alongside our sales teams and engaging directly with leading telecommunications service providers and network operators in a customer-facing pre-sales role. This role covers specialisms including multi-tenant security architectures, SOC technologies, cloud security, SASE, SD-WAN, and broader cybersecurity design for service delivery. We are committed to building a diverse and inclusive team, and we offer continuous learning, career development, and a Total Rewards package that supports health, well-being, and financial future. This is a full-time role, and candidates must already be based in the UK with full right to work.

last updated 34 week of 2026