OpenAI
Network Security Engineer
Found: September 12, 2025
This role is based in London, UK with a hybrid work model of 3 days in the office per week.
About the Role:
As a Network Security Engineer, you will architect and maintain both campus and cloud network infrastructure, ensuring optimal network performance and reliability.
Responsibilities:
- Design, build, implement, and maintain secure, scalable, and performant network infrastructure.
- Drive network and IT automation through software development and tooling.
- Leverage Infrastructure-as-Code (IaC) methodologies for network orchestration.
- Build and maintain CI/CD pipelines for corporate technology infrastructure.
- Collaborate with security teams to align automation initiatives with Zero Trust principles.
Requirements:
- Experience with Cisco IOS, Cisco Meraki, and Palo Alto.
- Strong Routing and Switching experience including BGP, OSPF, and MPLS.
- Proficiency in a modern programming language (Python, Golang, Ruby).
- Experience with cloud platforms (Azure, AWS, GCP).
- Strong understanding of network security principles.