Linux System Engineer

Leadingnation; Hong Kong; On-site; HKD 480,000 - 720,000; Full time

Benefits offered by this job

5‑Day work week

Comprehensive remuneration package

Job summary

Leadingnation is seeking an experienced IT Infrastructure Specialist to design, build, and operate mission‑critical Linux-based systems across virtualized and cloud environments. You will handle system implementation, production support, and contribute to architecture through PoCs and feasibility studies.

You will develop, test, install, and manage Linux systems, storage, and enterprise apps, while mentoring junior admins and coordinating with project teams on best practices.

Qualifications

• Bachelor’s degree in information technology, computer science or related discipline is required.
• 5–7 years of relevant IT infrastructure experience; 3+ years Linux system administration is advantageous.
• Proficient in shell scripting and automation, with solid server security practices.
• Hands-on experience with Linux distributions, virtualization, storage/backup technologies, cloud platforms and application servers.
• Experience with containerization/orchestration (Kubernetes) is a plus.
• Strong analytical, problem solving and communication skills.

Responsibilities

• Develop, test, install, and implement systems on virtualized Linux and major cloud platforms.
• Administer Linux environments, including system setup, patching, backups, software installation, monitoring, and health checks.
• Manage enterprise storage (SAN/NAS), capacity planning and performance.
• Lead feasibility assessments, PoCs and implementation of new IT infrastructure solutions.
• Advise project teams on system architecture and best practices; contribute to design reviews.
• Prepare and maintain technical documentation, runbooks, and operational procedures.
• Provide 7x24 production on-call rotation for mission critical systems.
• Act as a mentor to junior system administrators when required.

Skills

Linux administration

Shell scripting

Automation

Analytical skills

Problem solving

Self-motivation

Vendor negotiation

Education

Bachelor’s degree in IT/CS

Tools

Oracle Linux

Red Hat

CentOS

Ubuntu

KVM

SAN/NAS

Commvault

VTL

Oracle/WebLogic

Apache HTTP Server

Tomcat

Azure

GCP

AliCloud

Kubernetes

Job description

• Develop strong hands‑on experience across Linux system administration
• Gain comprehensive exposure to enterprise IT infrastructure
• Work within a structured and collaborative IT team that values technical mentors

Role Summary

Design, build, and operate mission‑critical systems across virtualized Linux and cloud environments. The role is responsible for system implementation, production support, and contributing to infrastructure architecture through feasibility studies and proofs of concept (PoCs)for new solutions.

Key Duties

• Develop, test, install, and implement systems on virtualized Linux and major cloud platforms.
• Administer Linux environments, including system setup, patching, backups, software installation, monitoring, and health checks.
• Manage enterprise storage, including SAN/NAS provisioning, capacity planning and performance.
• Lead feasibility assessments, proofs of concept (PoCs)and implementation of new IT infrastructure solutions.
• Advise project teams on system architecture and best practices, contribute to solution design reviews.
• Prepare and maintain technical documentation, runbooksand operational procedures.
• Provide 7 x 24 production on-call rotation for support on mission critical systems.
• Act as a technical mentor and advisorto junior system administrators when required.

Requirements

• Bachelor’s degree or above in information technology, Computer Science or a related discipline.
• Candidates with 5–7 years of relevant IT infrastructure experience; candidates with at least 3 years of solid Linux system administration experience will have an advantage.
• Proficient in shell scripting and automation, with solid understanding of server security best practices.
• Hands‑on experience with:
  • -Linux (Oracle Linux, Red Hat, CentOS, Ubuntu)
  • -Virtualization (Oracle VM, KVM)
  • -Storage and backup technologies (SAN/NAS, Commvault, VTL)
  • -Application platforms (Oracle/WebLogic, Apache HTTP Server, Tomcat)
  • -Cloud platforms (Azure, GCP, AliCloud or equivalent)
• Experience with containerization and orchestration tools (e.g. Kubernetes) will be an advantage.
• Experience with system performance monitoring, diagnostics and tuning.
• Good analytical and problems solving skills with strong self-motivation and ability to work under pressure.
• Solid understanding of enterprise infrastructure and experience contributing to system architecture design.
• Experience with IT procurement, vendor negotiation, budgeting, and financial management is a strong advantage.
• Candidates with less experience may be considered for aSenior IT Analyst role.

We offer 5-Day work week with a competitive and comprehensive remuneration package including Chinese New Year bonus, discretionary bonus, transport subsidy, employer topped-up MPF contributions, medical benefits (including family members), voluntary dental coverage (including family members), life insurance, birthday leave, extra annual leave, marriage leave, maternity leave, paternity leave, newborn baby gift, sports centre and free shuttle bus.

Applicants not invited for interview within four weeks should consider their applications unsuccessful. Applicants’ personal data collected will only be used for the sole purpose of recruitment. The data of unsuccessful applicants will be destroyed within six months.