What Jobs are available for Linux in Hong Kong?

Our client is looking for a Linux Engineer with a minimum of 3 years of experience, specializing in Red Hat/CentOS operating systems. You will be responsible for maintaining and optimizing our Linux server infrastructure, ensuring high availability and performance, and supporting application deployments.

• Administer and maintain Red Hat/CentOS servers, ensuring system stability and performance.
• Monitor system performance and troubleshoot issues proactively.
• Implement security measures and perform regular system updates.
• Collaborate with development teams to support application deployments and infrastructure needs.
• Automate system tasks using scripting languages (e.g., Bash, Python).
• Manage user accounts, permissions, and access controls.
• Document system configurations, processes, and procedures.
• Participate in on-call support rotation as needed.

• Bachelor's degree in Computer Science, Information Technology, or a related field (preferred).
• Minimum of 3 years of experience in Linux system administration, specifically with Red Hat and CentOS.
• Strong understanding of Linux operating systems, networking, and security.
• Experience with virtualization technologies (e.g., KVM, VMware).
• Experience in scripting languages (Shellscript, Bash, Python, etc.) is a plus.
• Experience in storage and middleware technologies is a plus.
• Excellent problem-solving skills and attention to detail.
• Strong communication and teamwork abilities.

• Competitive salary and performance-based bonuses.
• Health, dental, and vision insurance.
• Retirement plan with company matching.
• Opportunities for professional development and certifications.

Job responsibilities:

• Write test scripts (Linux shell scripts) according to test standards and test specifications;
• Perform system testing and verification according to test cases, test specifications, test standards and other documents;
• Submit test reports to relevant personnel, and track the problems reported in the test in real time;
• Participate in technical and test reviews, and complete the review of test flow nodes

Job requirements:

• Full-time bachelor degree or above, computer-related major; more than 1 year of work experience;
• Must be familiar with Linux command line operation and shell script programming;
• Willing to learn new technologies;

Linux, Red Hat, storage, data centre

We are currently seeking a talented System Engineer (Linux) for one of our most sizeable in-house clients.

Your new role

• Manage Unix/Linux servers and storage clusters, focusing on Red Hat and Ubuntu distributions.
• Perform system monitoring, patching, and vulnerability assessments
• Collaborate with diverse teams to design and deploy technical solutions.
• Provide timely troubleshooting and resolution for system-related issues.
• Maintain detailed documentation for system configurations and processes.

What you'll need to succeed

• At least 3+ years of practical experience in Linux Server Administration
• Strong expertise in Unix/Linux environments, especially with Red Hat and Ubuntu.
• Knowledge of storage tech like OneFS and Dell PowerScale
• Experienced in planning and executing data center relocations with test migrations and readiness checks for seamless transitions.
• Good command of spoken and written English and Chinese (Cantonese)

What you need to do now

If you fulfil all the qualifications mentioned above and have the drive to succeed or are interested in similar roles within the Information Technology Sector, please contact me with an attached CV at or please call

Our client is a leading Prop Trading house and seeking a highly skilled
Linux Engineer
with deep expertise in
Level 3 and 4 administration
to join our team. In this role, you will be responsible for advanced troubleshooting, performance optimization, automation, and architectural improvements of our Linux-based infrastructure. The ideal candidate will have extensive experience in enterprise Linux environments, strong scripting skills, and a passion for solving complex technical challenges.

Key Responsibilities:

• Perform
  Level 3/4 support
  , resolving complex Linux server issues (kernel, performance, networking, security).
• Design, implement, and maintain
  high-availability Linux environments
  (clustering, load balancing, failover).
• Automate system administration tasks using
  Bash, Python, Ansible, Puppet, or Terraform
  .
• Optimize system performance through tuning, monitoring, and capacity planning.
• Troubleshoot deep technical issues (filesystem corruption, kernel panics, network bottlenecks).
• Implement and enforce
  security hardening
  (SELinux, firewalls, auditd, compliance).
• Manage
  virtualization/containerization
  (KVM, Docker, Kubernetes, LXC).
• Lead
  migrations, upgrades, and disaster recovery
  planning.
• Collaborate with DevOps and development teams to improve CI/CD pipelines.
• Document system architectures, processes, and troubleshooting guides.

Required Skills & Qualifications:

• 5+ years
  of professional Linux administration experience (RHEL, CentOS, Ubuntu, Debian).
• Expert-level troubleshooting
  (systemd, logs, strace, perf, kernel debugging).
• Strong scripting skills (
  Bash, Python, Perl
  ).
• Experience with
  configuration management
  (Ansible, Puppet, Chef).
• Knowledge of
  monitoring tools
  (Prometheus, Grafana, Nagios, Zabbix).
• Familiarity with
  cloud platforms
  (AWS, Azure, GCP) and IaC (Terraform).
• Experience with
  storage solutions
  (LVM, NFS, iSCSI, RAID).
• Understanding of
  networking
  (TCP/IP, DNS, VPN, iptables/nftables).
• Security-focused mindset
  (patching, vulnerability management, CIS benchmarks).

Job responsibilities:

• Write test scripts (Linux shell scripts) according to test standards and test specifications;
• Perform system testing and verification according to test cases, test specifications, test standards and other documents;
• Submit test reports to relevant personnel, and track the problems reported in the test in real time;
• Participate in technical and test reviews, and complete the review of test flow nodes

Job requirements:

• Full-time bachelor degree or above, computer-related major; more than 1 year of work experience;
• Must be familiar with Linux command line operation and shell script programming;
• Willing to learn new technologies;

ServiceOne Limited is one of the largest Information Technology (IT) consulting and managed services provider in the region. The company was founded in 1999 and is headquartered in Hong Kong with strong foothold in China and business coverage in Asia Pacific region. Our clients are government departments, non-government organizations, education institutes, multinational corporations, small and medium companies across various industries. Our services provide Consulting and Application Management Services, Digitalization of Workflow Management, Outsource Managed Services, Hardware & Software Maintenance, Project Management, Product Life Cycle Management, Secondment Services & etc.

We are a member of Expert Systems Holdings Limited (HKEX Stock Code

To Stay true to ServiceOne's ongoing mission that is to deliver the highest quality services to all her customers, we invite high-caliber candidate of you to join our company.

For more information, please visit our website at 

Job Highlights

• Competitive remuneration package, 5-day-work
• Medical and health Insurance coverage, Body Check, Bonus included
• Enterprise environment
• Friendly and supportive team
• Knowledge in Linux, Centos, Red Hat

Responsibilities:

• Maintenance, configuration, and reliable supports of the systems, servers and virtualization farm of the large-scale enterprise network in align with Enterprise standard & procedure.
• Monitor on servers and perform proper remedy actions to ensure minimum impacts.
• Provide security patching and OS end of live upgrade.
• Provide infrastructure support, including procedural documentation and relevant reports.
• Ensure the system/servers are protected by Company HA protection & backup strategy.
• Assist projects and meet the requirement.
• Assist the Enterprise Automation Project & Container Platform Project
• Installation / configuration of containers, including docker, podman, Openshift.

Requirement:

• Higher Diploma or Degree in related discipline preferable.
• Good knowledge and hands-on technical skills on Red Hat or CentOS etc.
• Good knowledge on Linux OS of best practices around administration, management, control, and monitoring of infrastructure.
• Will provide On-Job Training and Professional workshop to adapt the environment.
• Enjoy team work and sharing of experience and knowledge.
• Open-minded for sharing & discussion, able to work independently
• Experience in FSI is an advantage

Remuneration Package:

• Public Holiday
• 14 days annual leave
• Medical coverage
• Discretionary bonus

We offer excellent career opportunities, attractive remuneration package and fringe benefits including banking holiday, various types of leave, discretionary bonus & medical insurance. If you have the desire to join us, please send us your resume immediately with your present & expected salary by clicking "Apply Now".

(The information provided will be used for employment related purpose only. All information of unsuccessful applicants will be destroyed within six months)

Key Areas of Responsibilities

• Proactively maintain and develop all Linux infrastructure technology to maintain a 24x7 service
• Maintain best practices on managing systems and services across all environments
• Provide L1,L2,L3 level server support similar to current team
• Manage, coordinate, and implement software upgrades, patches, hot fixes on servers
• Create and modify scripts or applications to perform tasks
• Provide input on ways to improve the stability, security, efficiency, and scalability of the environment
• Collaborate with other teams and team members to develop automation strategies and deployment processes
• Provide weekend support on scheduled weekend changes
• Provide on-call support during off hours if needed
• Participate in Disaster Recovery and BCP drills
• Manage Physical server infrastructure using remote access
• Manage and maintain virtual machines in internal ESX farm as well as in AWS
• Build new physical and virtual servers as per standards
• Fault finding, analysis and of logging information for reporting of performance exceptions
• Proactively monitoring system performance and capacity planning
• Knowledge on servers installed with cluster software and databases

Requirements

• Degree in IT/Computer Science or related discipline(s)
• Around 8-10 years working experience as a Linux Administrator in Financial Industry
  
  Less experienced (5-8yrs) candidates could considered as Sr. Infra Analyst
• Previous working experience with VMWare Tanzu/Kubernetes etc. deployed in internal infra.
• In-depth knowledge of Linux: RedHat both physical and virtual environment
• Hands on experience with physical/VM server deployments and commissioning
• Experience / knowledge on various HPE or other server hardware and architecture
• Strong problem solving and communication skills
• MS Windows OS knowledge will be added advantage
• Good to have knowledge on Veritas cluster and Veritas Storage Foundation

It is a leading investment group in Hong Kong.

Responsibilities:

• Manage IT infrastructure projects, as well as internal process automation and improvement
• Collaborate with application teams to implement IT solutions effectively.
• Engage with stakeholders to plan and execute projects.
• Adhere to the project timeline to meet all milestones and deadlines.
• Prepare project and technical documentation, including project plans, technical specifications, and test reports.
• Implement and manage automation tools and processes to enhance efficiency and minimize manual tasks.

Requirements:

• Degree in Computer Science, Information Systems, or a related field.
• Over 5 years of hands-on experience in Linux administration, troubleshooting, and security hardening.
• Proficient in Linux OS configuration, troubleshooting, and security measures.
• Availability to work weekends for server setup and testing.
• Strong team player with a desire for career advancement in a competitive industry.

If this job isn't quite right for you, but you know someone who would be great at this role, why not take advantage of our referral scheme? We offer HKD1000 in Apple gift cards for every referred candidate who we place in a role. Terms & Conditions Apply.

Job Duties:

• Responsible for providing routine support to in-house desktop infrastructure including Windows and Linux servers and related hardware and software
• Responsible for developing and maintaining script (e.g. Shell script, Python or similar) to automate system tasks, monitoring, and deployments
• Troubleshoot and resolve hardware and software issue in Linux environment
• Collaborate with development teams or vendors to deploy, configure and support application in Linux servers
• Monitor performance to reduce interruptions and server crashes
• Support the integration of Video Management System with Linux-based servers and infrastructure

Job Requirement:

• Higher Diploma or above in Computer Science or related subjects
• At least 5 years' experience in IT industry
• Experience in supporting and maintenance of Windows Server and Linux Server
• Experience in programming or scripting (e.g. Shell script, Python or similar)
• Strong Knowledge of virtualisation technologies (e.g. VMware, KVM, Docker)
• Understanding of networking protocols (TCP/IP, DNS, DHCP, VPN)

If interested in the above post, please send full resume with academic background, work history, current and expected salary via

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