An Senior Information Technology Officer (Network and System) is mainly deployed on the following types of work –

• (a)supporting the operation and maintenance of IT systems and services (mainly in network and server);
• (b)performing troubleshooting, performance analysis, and capacity planning;
• (c)researching and evaluating the latest products, tools, and practises to recommend cost-effective solutions for enhancing the existing environments;
• (d)coordinating and liaising with stakeholders and contractors for achieving the project/task outcome;
• (e)analyzing and following the related IT regulations, policies, and guidelines of HKSARG for IT systems and services implementation;
• (f)resolving security vulnerabilities and unexpected technical issues;
• (g)performing feasibility study, proof-of-concept, system analysis and design, implementation, documentation, quality control and assurance, testing, etc. for IT systems and services (mainly in network and server);
• (h)managing projects for enhancing the performance, security, availability of the existing environments (mainly in network and server);
  • (i)analyzing and interpreting user requirements to provide viable solutions and produce respective proposals or specifications;
• (j)providing technical consultation service and interpreting complex technical knowledge to users and junior teammates;
• (k)leading teammates/contractors as required by supervisors for achieving the project/task outcome;
• (l)assisting in the procurement process of IT products and services.

Successful candidates may be required -

• (a)to work irregular hours / in remote areas / in harsh conditions;
• (b)to perform shift / stand-by / on-call / emergency duties; and
• (c)to wear protective clothing.

Candidates should have –

• (a)a Higher Diploma or an accredited Associate Degree in Computer Science, Computer Engineering, Information Engineering, or related IT disciplines from a Hong Kong university/ tertiary institute/ Hong Kong Institute of Vocational Education, or a Diploma in Computer Science, Computer Engineering, Information Engineering, or related IT disciplines from a registered post-secondary college awarded after the date of its registration, or equivalent;
• (b)Level 2 or above in Chinese Language and English Language in the Hong Kong Diploma of Secondary Education Examination (HKDSEE) or Hong Kong Certificate of Education Examination (HKCEE), or equivalent [see Note (1)]; and
• (c)at least 5 years’ relevant experience in the design, operation and maintenance, troubleshooting, and project management services of sizable enterprise networks, server infrastructure, and data centre.

Candidates who possess –

• (a)Knowledge of IT systems and services (mainly in network and server) market research, design, implementation, testing, administration, etc.;
• (b)Knowledge of network systems including core, data center interconnect, DNS, network access control, proxy, firewall, internet gateway, network monitoring, VPN appliance, wireless network etc.;
• (c)Knowledge of networking techniques including OSPF, BGP, IPSec VPN, SDN, SD-WAN, SNMP, DNSSEC, packet capture, 802.1x, etc.;
• (d)Knowledge in server-related services such as LDAP, AD, group policy, etc.;
• (e)Knowledge of VM Infrastructure, Hyper-Converged Infrastructure (HCI);
• (f)Experiences in network system / server farm operation and maintenance;
• (g)Experiences in security risk assessment, audit and incident handling;
• (h)Experience in implementing a project independently; or
  • (i)Valid certification of CCNP / CISSP / CISA / PMP / ITIL / VCP or equivalent;

will have an advantage.