Network Engineer Lead Expert

AXA Hong Kong and Macau; Hong Kong; On-site; HKD 420,000 - 640,000; Full time

Job summary

AXA Hong Kong And Macau is seeking a Network Engineer Expert to design, deploy, and support the corporate network. You will specialize in Cisco and Aruba LAN/WLAN, develop HLDs/LLDs, and document architectures to ensure scalable solutions.

Responsibilities include handling escalated incidents, promoting best practices, driving standardization, and delivering third-level operational support for critical network issues in a large enterprise environment.

Qualifications

• University Degree / Diploma from a reputed institution.
• 5+ years in enterprise network engineering.
• Certifications such as CCNP/CCIE or Aruba ACSP/ACCP are preferred.
• Hands-on experience in large, complex environments.

Responsibilities

• Design, deploy and support the corporate office network.
• Develop HLDs and LLDs with thorough documentation.
• Handle escalated incidents and provide SME guidance.
• Drive network standardization and best practices.
• Provide third-level operational support for critical issues.

Skills

Cisco/Aruba design

HLD/LLD creation

Network troubleshooting

RADIUS/802.1X

WiFi deployment

SD-WAN knowledge

Scripting (Python)

TCP/IP basics

NMS monitoring

Education

University Degree

Tools

Aruba Central

LogicMonitor

SolarWinds

NetScout

Wireshark

Job description

Responsibilities

The Network Engineer Expert is responsible for the comprehensive design, deployment, and ongoing support of the corporate office network infrastructure. Specializing in Cisco and Aruba LAN, WLAN, and network authentication services, this role involves developing High-Level Designs (HLD), Low-Level Designs (LLD), and detailed documentation to ensure robust and scalable network solutions. You will handle complex, escalated incidents with a focus on resolution and prevention, while acting as a subject matter expert (SME) to influence architecture standards, promote best practices, and drive network standardization across the organization. Additionally, you will provide third-level operational support for critical network issues, ensuring high availability and optimal performance of the corporate network environment.

Responsibilities

The Network Engineer Expert is responsible for the comprehensive design, deployment, and ongoing support of the corporate office network infrastructure. Specializing in Cisco and Aruba LAN, WLAN, and network authentication services, this role involves developing High-Level Designs (HLD), Low-Level Designs (LLD), and detailed documentation to ensure robust and scalable network solutions. You will handle complex, escalated incidents with a focus on resolution and prevention, while acting as a subject matter expert (SME) to influence architecture standards, promote best practices, and drive network standardization across the organization. Additionally, you will provide third-level operational support for critical network issues, ensuring high availability and optimal performance of the corporate network environment.

Qualifications

• University Degree / Diploma from reputed Institution
• Minimum working experience required on Network is 5 years with at least 2 years in complex enterprise network engineer role in a sizable organization.
• Professional level certifications from Leading Product Vendors such as Cisco (CCNP, CCIE), HPE Aruba (e.g. ACSP, ACCP) etc
• Excellent troubleshooting skills and passionate to solve complex network issues under time pressure.
• Must be hands-on expertise in sizable environment
• Extensive, hands-on experience in the designing, implementing, and troubleshooting of office LAN/WAN routing and switching within medium to large enterprises.
• Proven experience in managing the full lifecycle of Cisco and Aruba campus networks (deployments, hardware refresh, OS upgrades, and patching).
• Advanced knowledge of modern LAN technologies, with hands-on experience in Aruba CX features (VSF/VSX, Dynamic Segmentation, NAE analytics, colorless ports, NetEdit/Central templates) and centralized management using Aruba Central.
• Deep understanding of TCP/IP protocol suite and application layer protocols (HTTP/HTTPS, DNS, DHCP, IPsec, etc.), with ability to do packet-level analysis (e.g., Wireshark).
• Proven experience with core routing protocol and network services: OSPF, BGP, QoS, STP, HSRP/VRRP, RADIUS/TACACS+, SNMP, NTP, NetFlow, 802.1X, VXLAN, IPSec.
• Extensive, hands-on experience in Enterprise grade WiFi deployment with Aruba and Cisco technologies. Ability to deploy and troubleshoot on complex WiFi deployment models.
• Strong understanding in designing and implementing SD-WAN over diverse underlay networks.
• Experience using bandwidth and performance analysis tools (e.g., NetFlow/IPFIX collectors) and SNMP-based Network Management Systems (NMS).
• Familiarity with NMS and monitoring tools such as Aruba Central, LogicMonitor, SolarWinds, NetScout, Syslog servers, and log analysis platforms.
• Proficiency in producing high-quality network documentation, including High-Level Designs (HLD), Low-Level Designs (LLD), operational procedures, and as-built network diagrams.
• Basic to intermediate scripting skills (Shell/PERL/Python) for automation, backup processes, and REST API integrations with modern NMS and orchestration platforms.
• Up-to-date knowledge of emerging networking products, features, and industry trends across Aruba (e.g., Aruba CX, Central, ClearPass, EdgeConnect) and Cisco portfolios including but not limited to Catalyst, Aironet and ISE.
• Hands-on experience with private and public cloud networking is considered advantageous.
• Good understanding of ITIL-based processes and frameworks, including service request management, change management, problem management, and incident handling

About AXA Hong Kong And Macau

AXA Hong Kong and Macau is a member of the AXA Group, a leading global insurer with presence in 52 markets and serving 92 million customers worldwide. Our purpose is to act for human progress by protecting what matters.

As one of the most diversified insurers in Hong Kong, we offer integrated solutions across Life, Health and General Insurance. We are the largest General Insurance provider and a major Health and Employee Benefits provider. Our aim is to not only be the insurer to provide comprehensive protection to our customers, but also a holistic partner to the individuals, businesses and community we serve. At the core of our service commitment is continuous product & service innovation and customer experience enrichment, which is achieved through actively listening to our customers’ needs and leveraging and investing in technology and digital transformation.

We embrace our responsibility to be a driving force against climate change and a force for good to create shared value for our community. We are proud to be the first to address the importance of mental health through different products and services and thought leading iconic research. Our overall Sustainability Strategy, with emphasis on climate strategy and biodiversity commitment, is developed based on TCFD recommendations. We are committed to integrating environmental, social and governance factors across our business and strive to contribute to a sustainable future through 3 distinct roles - as an investor, an insurer and an exemplary company.

AXA is an equal opportunity employer. We are committed to promoting Inclusion and Diversity (I&D) by creating a work environment where all employees are treated with dignity, respect, and where individual differences are valued. We welcome and treasure diverse profiles to join our big family, and to build an inclusive culture together which allows everyone to maximise their personal potential.

Our people strategies are designed to enhance employee well-being and professional growth, ultimately empowering them to excel within the company.

Click here to learn more about our Benefits (https://www.axa.com.hk/en/benefits), Culture (https://www.axa.com.hk/en/culture-and-values), & Career Development (https://www.axa.com.hk/en/career-development).