Senior Network Security Engineer: Design, Deploy & Defend

Janestreet; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

Janestreet is seeking an experienced Network Engineer to enhance our network security infrastructure through effective design, implementation, and hands-on operations. The role demands strong networking fundamentals and expertise with security appliances such as firewalls. You will work closely with Network Engineering to manage network segmentation and collaborate with Cybersecurity for threat mitigation.

Strong communication skills and at least 7 years of experience in network operations are essential. Your contributions will enhance our systems' flexibility and security, making a meaningful impact across the firm.

Qualifications

• 7+ years of experience in operating and deploying network infrastructure.
• Strong understanding of firewall hardware architecture.
• Experience with Public Key Infrastructure and modern encryption techniques.

Responsibilities

• Collaborate with Network Engineering for security design and deployment.
• Manage and evolve network segmentation and security.
• Evaluate new network security platforms.

Skills

Networking fundamentals

Firewall configuration and troubleshooting

Routing protocols (OSPF, BGP)

Analytical thinking

Programming proficiency

Job description

Janestreet is seeking an experienced Network Engineer to enhance our network security infrastructure through effective design, implementation, and hands-on operations. The role demands strong networking fundamentals and expertise with security appliances such as firewalls. You will work closely with Network Engineering to manage network segmentation and collaborate with Cybersecurity for threat mitigation.

Strong communication skills and at least 7 years of experience in network operations are essential. Your contributions will enhance our systems' flexibility and security, making a meaningful impact across the firm.