Senior Network Security Engineer: Scale, Automate, Protect

Jane Street

Singapore

On-site

SGD 120,000 - 180,000

Full time

3 days ago

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Job summary

Jane Street is seeking an experienced Network Engineer to join our Network Security team in Singapore. You will help run, scale, and improve our secure network infrastructure through hands-on operations, design, and implementation, working with firewalls and security appliances.

You’ll collaborate with traders and engineers globally to design perimeter security, enable business workflows securely, and automate observability with scripting and tooling, while continuously improving our security

Qualifications

7+ years of experience operating and deploying network infrastructure.
Experience with routing protocols (OSPF, BGP, PIM-SM).
Troubleshooting transport protocols (TCP/UDP).
Strong understanding of firewall hardware architecture and performance metrics.
Experience with firewall configuration and troubleshooting.
Understanding of PKI and related technologies.
Familiarity with modern encryption techniques.

Responsibilities

Design and deploy security perimeter and adjacent network infrastructure.
Manage and evolve network segmentation, DMZ, and security controls.
Evaluate and lab-test new platforms for network security infrastructure.
Collaborate with Cybersecurity to detect and mitigate threats and vulnerabilities.
Interface with application owners and traders to enable secure business workflows.
Improve observability and scripting to empower support and automation.
Improve network security processes and documentation.