1,055 Linux Engineer jobs in Singapore

We are seeking a motivated and detail-oriented Junior Linux Systems Engineer to join our IT infrastructure team. The ideal candidate will be responsible for assisting with the deployment, configuration, maintenance, and troubleshooting of Linux-based systems. This is an excellent opportunity for someone looking to grow their skills in Linux systems administration, automation, and networking.

Job Description

• Assist in the installation, configuration, and maintenance of Linux servers, both physical and virtual, to ensure optimal performance and security.
• Monitor system performance and troubleshoot issues using system logs, network tools, and other resources.
• Support system upgrades and patches by implementing updates to Linux-based operating systems, applications, and security patches.
• Help manage user accounts, file systems, and permissions in accordance with organizational policies.
• Participate in backup, recovery, and disaster recovery planning and testing.
• Collaborate with the team to enhance system automation through scripting (e.g., Bash, Python) and configuration management tools (e.g., Ansible, Puppet).
• Maintain system documentation and assist with technical support requests related to Linux environments.
• Ensure the security of Linux systems by applying standard security practices, including firewall management, access control, and regular audits.
• Support the Senior Linux Systems Engineer in optimizing system architecture and resolving complex issues.

Requirements

• Diploma in Computer Science, Information Technology, or a related field (or equivalent experience).
• Basic knowledge of Linux-based operating systems (e.g., Ubuntu, CentOS, Red Hat).
• Familiarity with shell scripting (Bash) and an interest in learning other languages like Python.
• Understanding of networking concepts (TCP/IP, DNS, DHCP, etc.).
• Strong problem-solving skills and attention to detail.
• Ability to work in a team-oriented environment with minimal supervision.
• Eagerness to learn and stay updated with new technologies and best practices.
• Experience with Security best practices and hardening will be valuable

Role Summary

We are looking for a Linux Systems Engineer who will take the lead in deploying and rolling out Linux-based solutions across enterprise environments. This role is ideal for someone passionate about building systems from the ground up, ensuring they are secure, scalable, and production-ready . You'll work closely with infrastructure and application teams, driving end-to-end deployments that power critical business operations.

Job Responsibilities

• Deploy and configure Linux servers across on-premises and virtualized environments.
• Automate installation, configuration, and patching to streamline deployments.
• Test, validate, and optimize systems for performance, stability, and security .
• Support integration with VMware, KVM, and Windows environments.
• Document and standardize deployment processes for repeatability and compliance.
• Collaborate with vendors, project teams, and internal stakeholders to ensure smooth rollouts.
• Contribute to system design discussions, particularly around deployment strategy and scalability .

Qualification & Experience

• Bachelor's Degree in Information Technology or equivalent.
• Min 2 years of experience with Linux deployment and system builds.
• Strong knowledge of Linux installation, configuration, updates, and troubleshooting .
• Hands-on experience with KVM/VMware virtualization.
• This role is only open to Singaporeans due to security clearance purposes.
• Solid networking knowledge (configuration, troubleshooting).
• Diploma/Degree in Computer Science or related field.
• Initiative-driven, detail-oriented, with strong communication skills.
• Bonus: exposure to Windows Server or cloud environments.

Responsibilities:

• Responsible for planning the server onto racks, arranging the server mounting
• Maintain UNIX/Linux Operating System
• Install the operating systems for new mounted servers
• Reinstall the server operation systems, solving the abnormalities.
• Perform daily server maintenance, troubleshooting, repair and follow-up break-fix of the server and other hardware
• Maintain data on internal systems including asset management, ticketing, rack related data
• Work with remote vendors or other teams to solve hardware batch failures and problems
• Oncall on duty, responsible for dealing with the problems raised by the business owner side
• Collect and check online assets status or issues
• Erase drives or other configurations for retiring or relocating servers.
• Provide retrofitting or test feedback for tools/systems/platforms.
• Submit and track the part RMA or media destruction process
• Perform server lifecycle management

Requirements:

• Bachelor's Degree or Diploma in Computer Science, Electrical engineering or any other relevant fields
• Knowledge of the interdependencies of server functions and technologies
• Can understand and run simple Shell/Bash scripts
• Familiar with Linux system, able to locate hardware faults;
• Basic network knowledge concepts - MAC, Subnet, TCP/IP, with ability to perform general troubleshooting
• Knowledge of out-of-band/lights-out server communication methods, such as IPMI
• Able to work on weekends

Role Summary

We are looking for a Linux Systems Engineer who will take the lead in deploying and rolling out Linux-based solutions across enterprise environments. This role is ideal for someone passionate about building systems from the ground up, ensuring they are secure, scalable, and production-ready. You'll work closely with infrastructure and application teams, driving end-to-end deployments that power critical business operations.

Job Responsibilities

• Deploy and configure Linux servers across on-premises and virtualized environments.
• Automate installation, configuration, and patching to streamline deployments.
• Test, validate, and optimize systems for performance, stability, and security.
• Support integration with VMware, KVM, and Windows environments.
• Document and standardize deployment processes for repeatability and compliance.
• Collaborate with vendors, project teams, and internal stakeholders to ensure smooth rollouts.
• Contribute to system design discussions, particularly around deployment strategy and scalability.

Qualification & Experience

• Bachelor's Degree in Information Technology or equivalent.
• Min 2 years of experience with Linux deployment and system builds.
• Strong knowledge of Linux installation, configuration, updates, and troubleshooting.
• Hands-on experience with KVM/VMware virtualization.
• This role is only open to Singaporeans due to security clearance purposes.
• Solid networking knowledge (configuration, troubleshooting).
• Diploma/Degree in Computer Science or related field.
• Initiative-driven, detail-oriented, with strong communication skills.
• Bonus: exposure to Windows Server or cloud environments.

Linux Engineers work with the critical infrastructure underlying the rest of the firm’s technology. Members of this group are hard-working Systems Engineers, Administrators and Programmers, tasked with maintaining and improving the platform that powers Jane Street's production trading systems. Our mix of in-house and open source software allows you to investigate and innovate at every level. On any given day, you could be debugging kernel performance, developing management tools, or resolving production issues in real time. Diving into tricky systems problems is our specialty.

Deployment automation, scalable configuration management, and obsessive monitoring are the focus of some of our ongoing projects. We automate as much of our work as we can, but not because we are lazy. We find that automation reduces our error rate and overall workload - plus, we think it's fun.

Working in our group provides opportunities for involvement with almost every other facet of the company. We work directly with colleagues in Trading, Technology, and Operations to build and maintain systems with a firm-wide scope. Using feedback from other groups and our custom monitoring tools, we strive to resolve production issues quickly, perform comprehensive root-cause analyses, and integrate long-term fixes in a clean and robust way.

We are looking to hire Linux Engineers with a deep knowledge of Unix internals and the Linux ecosystem. Candidates should have a willingness to learn OCaml, our language of choice, and meet the following requirements:

• Bachelor's degree in Computer Science
• Clear and concise communication skills, as well as the ability to efficiently analyze and deconstruct technical problems
• Deep knowledge of operating system fundamentals, especially Linux
• Fluency with the Unix command line and shell scripting
• Practical experience with modern Linux systems and systems programming concepts like C, sockets, virtual memory, and the process life cycle
• Basic understanding of network protocols
• Strong troubleshooting skills and knowledge of profiling/debugging tools such as gdb, perf, DTrace, eBPF or SystemTap
• Programming experience in any language (functional languages a plus)
• Fluency in English required as it is the working language at Jane Street and you will n

• Proactively monitors the work queues.
• Performs operational tasks to resolve all incidents/requests in a timely manner and within the agreed SLA.
• Updates tickets with resolution tasks performed.
• Identifies, investigates, analyses issues and errors prior to or when they occur, and logs all such incidents in a timely manner.
• Captures all required and relevant information for immediate resolution.
• Provides second level support to all incidents, requests and identifies the root cause of incidents and problems.
• Communicates with other teams and clients for extending support.
• Executes changes with clear identification of risks and mitigation plans to be captured into the change record.
• Follows the shift handover process highlighting any key tickets to be focussed on along with a handover of upcoming critical tasks to be carried out in the next shift.
• Escalates all tickets to seek the right focus from CoE and other teams, if needed continue the escalations to management.
• Works with automation teams for effort optimization and automating routine tasks.
• Ability to work across various other resolver group (internal and external) like Service Provider, TAC, etc.
• Identifies problems and errors before they impact a client’s service.
• Provides Assistance to L1 Security Engineers for better initial triage or troubleshooting.
• Leads and manages all initial client escalation for operational issues.
• Contributes to the change management process by logging all change requests with complete details for standard and non-standard including patching and any other changes to Configuration Items.
• Ensures all changes are carried out with proper change approvals.
• Plans and executes approved maintenance activities.
• Audits and analyses incident and request tickets for quality and recommends improvements with updates to knowledge articles.
• Produces trend analysis reports for identifying tasks for automation, leading to a reduction in tickets and optimization of effort.
• May also contribute to / support on project work as and when required.
• May work on implementing and delivering Disaster Recovery functions and tests.
• Performs any other related task as required.

Required Experience:

• Versed in Windows Technologies such as Domain Services, SQL, etc. not limiting to the list.
• SRE Oriented and Focus
• Familiar with AWS administration, Nutanix, Apache (Web server administration), Linux System administration, BigFix
• Familiar ELK Stack (Elasticsearch, Logstash, Kibana) with AI/ML integration
• Familiar with SNMP (Simple Network Management Protocol), F5 (Load Balancers and related technologies)
• Familiar with JSON (Data formatting and processing)
• Familiar with API, Automation, Ansible, CI/CD, etc.
• Languages PS, Bash, Python, etc.
• Moderate level years of relevant managed services experience handling cross technology infrastructure.
• Moderate level knowledge in ticketing tools preferably Service Now.
• Moderate level working knowledge of ITIL processes.
• Moderate level experience working with vendors and/or 3rd parties.

Role and responsibilities:

• Manage and monitor all installed systems and infrastructure
• Install, configure, test and maintain operating systems, application software and system management tools
• Participate in the design of information and operational support systems
• Liaise with vendors and other IT personnel for problem resolution
• Provide enterprise-wide infrastructure design and support to Linux , VMWare and Microsoft Windows environements

Ideal candidate:

• Diploma in Computer Science or related technology disciplines
• Possess initiative, positive attitude and strong passion in operation support
• Good communication skills and able to work independently
• 3+ years of experience with Linux
• Proficient with Linux, virtualization (KVM, VMWare)
• Windows server is a plus

Description:

• Install, configure, test, and maintain operating systems, application software, and system management tools.
• Proactively ensure the highest levels of systems and infrastructure availability.
• Manage the VMware environment and Provide enterprise-wide support to a high level of Red Hat Linux.
• Monitor and test application performance for potential bottlenecks, identify possible solutions, and work with developers to implement those fixes.
• Maintain security, backup, redundancy, and BCP strategies.
• Provide support in a 24/7 environment and be required to work on-call at least one week every month.

Qualifications & Experience:

• Diploma or bachelor's degree in computer science or a related field.
• At least 5 years of hands-on experience with VMware technologies including vCenter, ESXi, Site Recovery Manager (SRM), and vRealize Operations Manager (VRM).
• Proficient in Windows Server operating systems, with strong expertise in Active Directory, DNS, Group Policy Objects (GPO), and Failover Clustering.
• Comprehensive experience in IT systems management covering diverse infrastructure components.
• Solid understanding of security operations, including Privileged Access Management, Endpoint Protection Platforms, and Firewall technologies.
• Skilled in system monitoring as well as backup and disaster recovery solutions.
• Knowledge of SAN storage systems, particularly with remote site replication.
• Familiarity with administrating Hitachi Virtual Storage Platform is considered a plus.

Apply, please kindly email your updated resume to

.

Only shortlisted applicants will be notified.

APBA TG Human Resource Pte Ltd (14C7275) | Akshya R (R

We are looking for a Linux Systems Engineer who will take the lead in deploying and rolling out Linux-based solutions across enterprise environments. This role is ideal for someone passionate about building systems from the ground up, ensuring they are secure, scalable, and production-ready. You'll work closely with infrastructure and application teams, driving end-to-end deployments that power critical business operations.

What You'll Do

• Deploy and configure Linux servers across on-premises and virtualized environments.
• Automate installation, configuration, and patching to streamline deployments.
• Test, validate, and optimize systems for performance, stability, and security.
• Support integration with VMware, KVM, and Windows environments.
• Document and standardize deployment processes for repeatability and compliance.
• Collaborate with vendors, project teams, and internal stakeholders to ensure smooth rollouts.
• Contribute to system design discussions, particularly around deployment strategy and scalability.

What We're Looking For

• 3–7 years of experience with Linux deployment and system builds.
• Strong knowledge of Linux installation, configuration, updates, and troubleshooting.
• Hands-on experience with KVM/VMware virtualization.
• Solid networking knowledge (configuration, troubleshooting).
• Diploma/Degree in Computer Science or related field.
• Initiative-driven, detail-oriented, with strong communication skills.
• Bonus: exposure to Windows Server or cloud environments.