Commercial
Infrastructure Support

Infrastructure Specialist / Senior System Engineer (Active Directory, over $60K)

Full Time
Yau Tsim Mong
,
,
clts05331
Posted on:
2026-04-10

Duties

  • Provide support for networks, servers, and infrastructure (installation, configuration, monitoring, maintenance, troubleshooting).
  • Manage departmental email services (both central platform and on‑premise servers).
  • Work with ICT teams, contractors to upgrade mail servers and email archive systems.
  • Handle IT projects across all stages (requirements, design, procurement, migration, testing, rollout, documentation, maintenance).
  • Track project progress and ensure quality of outsourced work.
  • Monitor and optimize performance of applications, networks, and servers.
  • Offer technical support for IT facilities (PCs, mobile devices).
  • Prepare specifications and evaluate IT products during procurement.
  • Test and trial new IT products and solutions.
  • Maintain security, monitoring, backups, and system health checks.

Requirements

  • Higher Diploma or above
  • At least 5 post-qualification information technology experience
  • Experience in system design, implementation, integration, upgrade and/or migration
  • Experience in administration and monitoring of outsourced projects
  • Hands-on experience in supporting enterprise network and infrastructure systems such as email system, file servers, endpoint detection and response (EDR), mobile device management, Active Directory, Lotauthentication system, and/or system monitoring
  • Experience with enterprise IT management and monitoring tools (e.g. server and network monitoring, helpdesk / service desk, identity and access management,
  • Experience with mobile device operating systems (such as iOS, Android and HarmonyOS)
  • Experience in Lotus notes mail admin & technical support
  • Candidates with working experience with/in the Government will be given priority
  • Possess a profound understanding of IT security principles including secure system and network design
  • Familiarity with IT security controls, backup procedures, housekeeping jobs and related operational controls for enterprise systems
  • Good analytical and problem-solving skills, with the ability to work independently and with users and contractors

If you are interested in this position, please email your resume, stating your current and expected salary along with your available date, to our Application Email Address:

ita@clts.com

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Interested in this position? Submit your application online.
Application Deadline:
2026-05-09
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Infrastructure Specialist / Senior System Engineer (Active Directory, over $60K)

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Terms for Job Application
Terms

I hereby certify that the information provided in this application is accurate to the best of my knowledge and subject to verification by CL Technical Services Limited.

I authorize the schools, persons, current and previous employers and other organizations named in this application to provide CL Technical Services Limited (Its authorized employees, agents or representatives) with any relevant information that may be required to arrive at an employment decision, and hereby release any such schools, persons, current and previous employers and organizations from any and all liability which they might otherwise incur to me as a result.

I understand that any misrepresentation or omission of a material fact on my application may be justification for refusal of employment or if employed, separation form CL Technical Services Limited.

I also agree that any personal data (as defined in the Personal Data (Privacy) Ordinance (Cap. 486)) I provide in connection with my application or employment will be treated in accordance with the CL Technical Services Limited “Personal Data (Privacy) Ordinance Notification” from time to time provided to me.

* CL Group includes CL Technical Services Limited & CL Smart Sourcing Limited

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The personal data collected by CL Technical Services Limited is used to assess the suitability to take up the position. The data that you have provided for the purpose of employment may be passed to the related parties for further consideration.

The data that you have submitted will be treated as strictly confidential and will not be returned to the applicant. If you wish to update your personal data, please send your request via email to info@clts.com.

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