Principal Network Security Post-Sales Engineer – BGP & DDoS
Listed on 2026-02-16
-
IT/Tech
Cybersecurity, Network Security, Network Engineer, Systems Engineer
Principal Network Security Post-Sales Engineer – BGP & DDoS
Job type:
Permanent
Title:
Principal Network Security Post-Sales Engineer – BGP & DDoS
Location:
UK or Ireland (remote with travel) 30–40% travel
We’re looking for a senior, hands‑on network security engineer to deliver post‑sales technical services for large service provider and enterprise customers.
This role is ideal for someone who enjoys deep technical problem‑solving, working directly with customers, and being trusted to handle complex, real‑world network security challenges. You’ll operate as a mobile, floating resource, supporting multiple customers rather than being tied to a single account.
THE TECHNOLOGY:You’ll work with a high‑scale network security platform that protects critical networks from DDoS attacks and major network traffic
-based threats.
The technology operates in large, high‑throughput environments, providing deep visibility into network
traffic and routing behaviour and enabling rapid detection and mitigation of live attacks. This is hands‑on engineering in production networks, not a plug‑and‑play solution.
- Act as a technical expert for network security solutions
- Troubleshoot and resolve complex customer issues (remote & onsite)
- Support customers during live DDoS and security incidents
- Optimise, upgrade, and tune deployed solutions
- Work closely with engineering teams on escalations
- Deliver technical training, documentation, and best‑practice guidance
- Strong networking fundamentals (BGP, MPLS, TCP/IP)
- Background in service provider or large enterprise networks
- Comfortable working directly with customers
- English + a second language would be ideal.
French preferred (or Spanish
/
Italian a bonus)
- Based in UK or Ireland, near an international airport
- 30–40% travel to customer sites
- Work on real attacks affecting real networks
- High technical autonomy and responsibility
- Exposure to large-scale, mission‑critical environments
- Competitive salary, bonus, and benefits
For more information…. Please feel free to get in touch.
Location:
UK or Ireland (remote with travel) 30–40% travel
Please complete the form below to apply for this job and to send us your CV:
#J-18808-Ljbffr(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).