About this role

Fortinet is hiring a mid-level Systems Engineer in the operations function based in Johannesburg. The posting calls out experience with Networking, Encryption.

Role: Systems Engineer
Function: operations
Level: mid
Track: Individual contributor
Employment: Full-time
Location: Johannesburg
Work mode: On-site
Department: Systems Engineering
Posted: Jul 8, 2026

AI Summary

Mid-level Systems Engineer supporting sales through pre-sales and post-sales technical expertise. Lead technical aspects of sales cycles, manage POCs, and position Fortinet security solutions to customers. Requires security technology knowledge, pre-sales experience, and proven ability to manage multiple deals while maintaining customer relationships.

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Job description

from Fortinet careers

Systems Engineer

Location: Johannesburg, South Africa

We are looking for a Systems Engineer to work closely with a sales representative across designated territory. The Systems Engineer's main mission will be to support the sales organization in all technical matters regarding pre-sales, sales calls, and post-sales.

With us you will

Lead all technical aspects of a sales cycle with customers, from the initial RFIs, through to RFPs & RFQs when required. This includes the project management and active participation in POCs in partnership with the relevant teams both internally and within the customer and/or commercial partner.
Have the ability to listen and to understand the technical requirements of the customer, reading between the lines to build a solution which outperforms the competitor offering.
Be the primary technical point of contact for the customer(s) and partners in close collaboration with your sales partner.
Continuously strive to improve knowledge around the Fortinet products and solutions, along with maintaining a deep understanding of the competitive landscape and Fortinet’s ability to provide long lasting protection against the ever-evolving threats.
Have a strong ability to position Fortinet solutions to the customer, whether this be remotely or in person. This requires strong communication skills and the ability to confidently present through whiteboarding, technical white papers, technical plans or customer discussions.
Manage your time effectively when working on multiple deals simultaneously, ensuring a positive customer experience is maintained.

Apply if you

Have a high aptitude for security technology, specifically encryption, authentication, with further knowledge of network security, intrusion detection, anti-virus, routing, switching, LAN and WAN being desirable.
Have experience working across South Africa is a must.
Are currently or have previously worked in a pre-sales engineer role, managing end to end technical aspects of deals, through to technical closure.
Can demonstrate your problem solving skills and how this has impacted key wins within your current organisation.
Understand and can demonstrate your ability to build and maintain customer relationships, including your ability to effectively communicate technically to a range of both external and internal stakeholders.
Fluency in English is a must