Network Engineer Lead Expert

AXA Group; Hong Kong; On-site; HKD 500,000 - 900,000; Full time

Job summary

AXA Hong Kong and Macau is seeking an experienced Network Engineer Expert to design, deploy and support the corporate network. You will specialize in Cisco and Aruba LAN, WLAN, and authentication services, delivering HLDs, LLDs and comprehensive documentation.

The role requires hands-on troubleshooting, enterprise-grade WiFi deployment experience, and a drive to standardize architectures across a large organization. You will act as SME and provide third-line support to ensure high availability.

Qualifications

• University degree or diploma from a reputed institution.
• 5+ years of network experience with at least 2 years in a complex enterprise role.
• Professional level certifications from Cisco (CCNP/CCIE) and Aruba (ACSP/ACCP).
• Excellent troubleshooting skills under time pressure.
• Hands-on expertise in enterprise LAN/WAN routing and switching at medium to large enterprises.
• Experience managing full lifecycle of campus networks (deployments, OS upgrades, patches).
• Strong knowledge of Aruba CX features and centralized management using Aruba Central.
• Proficiency in TCP/IP, HTTP/HTTPS, DNS, DHCP, IPsec, and packet analysis (Wireshark).
• Experience with core routing protocols (OSPF, BGP) and network services ( QoS, STP, HSRP/VRRP).
• Experience with SD-WAN over diverse underlay networks.

Responsibilities

• Design, deploy, and support the corporate network infrastructure.
• Develop High-Level Designs (HLD) and Low-Level Designs (LLD) with detailed documentation.
• Escalated incident handling with focus on resolution and prevention.
• Drive network standardization and influence architecture standards across the organization.
• Provide third-level operational support for critical network issues and ensure high availability.

Skills

Networking design

Cisco routing & switching

Aruba networking

LAN/WAN

Wireshark

NMS tools

TCP/IP

OSPF/BGP

DHCP/DNS/IPsec

VSF/VSX

Aruba Central

NetFlow

Python/Shell scripting

RADIUS/TACACS+

Education

University Degree / Diploma

Tools

Aruba Central

LogicMonitor

SolarWinds

NetScout

Syslog servers

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.

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).