Senior Systems Architect & IT Infrastructure Lead

North American Dental Group

Hong Kong

On-site

HKD 680,000 - 980,000

Full time

14 days+

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Job summary

Endeavour Search Ltd. is seeking a Senior Systems Engineer to design, implement, and maintain IT infrastructure and business application ecosystems for an international NGO. The role emphasizes hands-on technical work and long-term career stability.

The ideal candidate will have strong experience in network and infrastructure engineering as well as business application support, including POS systems, with certifications such as CCNA/CISSP considered a plus.

Qualifications

Degree or above in IT, Computer Science, or related discipline.
Minimum 6 years of experience in network infrastructure and business application support.
Familiarity with MS Dynamics, Power Automate, SAP, POS, Property Management Systems, and AI is advantageous.
Experience with firewall management, PAM, and EDR is desirable.
Certifications such as CCNA or CISSP are a plus.
Strong project management, interpersonal, and communication skills.

Responsibilities

Define system/solution architecture for business applications (components, databases, services, integrations).
Design, operate, and maintain network and communication infrastructure.
Install and configure IT devices (servers, routers, switches, firewalls).
Provide day-to-day IT support including operations, performance, and system recovery.
Monitor systems health, performance, batch processing, and support facilities 24/7.
Design and implement Business Continuity and Disaster Recovery Plans; lead drills.
Perform capacity planning and resource sizing based on workload projections.
Provide after-hours and ad-hoc system support.
Manage vendor services and ensure quality IT support for users.