Network & Firewall Engineer (L3)

Nexus Corporation; Hong Kong; On-site; HKD 480,000 - 600,000; Full time

Job summary

Nexus Corporation in Hong Kong seeks an experienced firewall technical expert to design, implement and govern advanced network security architectures. You will serve as a technical authority, advising Technology and Business units while solving complex constraints and delivering secure solutions.

Responsibilities include setting configuration standards, leading projects, and coordinating with stakeholders. English proficiency is essential, Cantonese/Mandarin is a plus for local data center

Qualifications

• Proven hands-on experience designing and implementing network security solutions.
• Experience with Check Point and Fortinet firewalls.
• Strong networking fundamentals including subnets, VLANs, NAT, EVPN, and routing.
• Familiarity with IaC and CI/CD tools.
• Experience coordinating with stakeholders and providing on-call support.

Responsibilities

• Act as the recognized firewall technical expert and apply security best practices.
• Define configuration standards and provide technical solutions to Operations teams.
• Lead complex projects and collaborate with stakeholders to ensure deliverables.
• Participate in on-call rotations and provide 2nd line network support for incidents.
• Support Technology and Business teams with consultancy and guidance.

Skills

Firewall expertise

Check Point

Fortinet

Network security

Subnetting / Switching / Routing

VLANs / VRFs / NAT / VXLAN / EVPN

Vendor management

IT networking fundamentals

Tools

Ansible

Jenkins

Git

GitHub

Job description

• Act as the recognized firewall technical expert (Check Point, Fortinet) and apply technical knowledge of network security solutions to meet business requirements and resolve identified technical constraints.
• Accountable design authority for technology decisions and stay abreast of technology trends and advise Technology and the Business about potential benefits/impacts
• Provide a network security consultancy role to Technology and Business teams where appropriate. Define configuration standards and provide technical solutions to Operations teams to resolve technical issues
• Work and implementation on various complex projects, as a Technical Subject Matter Expert. Collaborate with stakeholders to ensure technical deliverables are met.
• Proficient hands-on experience networking background (Subnetting, Switching, Routing, VLANs, VRFs, NAT, VXLAN, EVPN…etc).
• Proficient in setting up and manage the modern configuration management, infrastructure as code tools, CI/CD tools (e.g. Ansible, Jenkins, Git, GitHub...etc.)
• Manage vendors across the project delivery and technical matters.
• Participate in an on-call rotation for support of systems outside of normal business hours. Provide 2nd line network support for major incidents.
• To lead problem resolution and coordination activities
• Cantonese and Mandarin speaking is an advantage (may need to work with local data center), but English speaking is acceptable