Technical Design Authority– Secure Networks

Nasstar
Other London, England Computer Occupations
Posted:
January 30, 2026
Location:
London, England, United Kingdom

Job Description

Description

Why this role exists 

  • We’re expanding to deliver a wave of customer network transformations. The TDA is our post-sales technical lead and trusted advisor, responsible for shaping and delivering robust designs, guiding customers through SD-WAN and SASE adoption, and ensuring implementations land cleanly into service. 

  • You’ll be hands-on enough to own Low Level Design and Migration Runbooks and cut-through on complex problems, yet customer centric enough to build confidence, challenge constructively, and become 'first call' for strategic technical decisions. 


Experience we’re looking for
• Track record delivering multi-site SD-WAN/SASE transformations as the lead designer/authority.
• Evidenced 'trusted advisor' relationships with enterprise or public-sector customers.
• Hands-on with Fortinet SD-WAN/SASE/ ZTNA in production, including policy design and troubleshootin...

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Job Overview

Job Type: Other
Location: London, United Kingdom
Posted: January 30, 2026
Deadline: March 11, 2026