Unix/Linux System Administrator

2 weeks ago

Singapore CHARTERHOUSE PTE. LTD. Full time
Roles & Responsibilities

We are looking for a Unix/Linux System Administrator to join our IT Infrastructure team. In this role, you will be responsible for maintaining, supporting, and enhancing our Unix/Linux systems across production, test, and disaster recovery environments. This position is ideal for someone with solid technical skills who enjoys hands-on system administration and is eager to grow their expertise in infrastructure and cloud technologies.

Key Responsibilities

System Administration & Operations

  • Perform daily system administration of Sun Solaris and Linux-based servers.
  • Apply system upgrades, patches, and security hardening to maintain stability and compliance.
  • Manage system passwords, certificates, backups, and monitoring tasks.
  • Assist in disaster recovery planning and participate in DR drills.
  • Maintain and support UAT environments for testing and project activities.
  • Document system configurations, processes, and procedures.

Incident & Problem Management

  • Provide second-level support to resolve incidents and service requests.
  • Troubleshoot issues, perform root cause analysis, and assist in implementing preventive measures.

Change & Release Management

  • Assist with planning and implementing system changes according to change management procedures.
  • Support application deployments and environment readiness.

Configuration & Performance Management

  • Maintain accurate system configuration records.
  • Monitor system performance and support optimization activities.

Project Support & Process Improvement

  • Support infrastructure-related project tasks according to timelines.
  • Contribute to improving IT service processes in line with security and compliance standards.
Requirements
  • Bachelor's degree in Information Technology, Computer Science, or related field (or equivalent experience).
  • 3–5 years of experience in Unix/Linux system administration.
  • Hands-on experience with OS patching, security hardening, and enterprise backup tools.
  • Familiarity with SAN storage, system monitoring, and performance tuning.
  • Proficiency in scripting (Shell, Python, or Perl) for automation.
  • Knowledge of database administration and data center operations is an advantage.
  • Willingness to provide on-call support on a rostered basis and after-hours support for critical changes.
  • Good communication and teamwork skills, with a proactive and problem-solving mindset.
  • Relevant certifications in Unix/Linux system administration are preferred; cloud certifications are a plus.
What We Offer
  • Exposure to enterprise-scale infrastructure and mission-critical systems.
  • Supportive team environment with room for professional growth.
  • Competitive salary and benefits package.

EA License no: 16S8066 | Registration No: R1110125

Tell employers what skills you have

Process Improvement
Release Management
Shell Scripting
SAN
Root Cause Analysis
Scripting
Unix
Administration
Problem Management
Python
System Administration
Performance Tuning
Teamwork Skills
Disaster Recovery
Solaris
Performance Management
Linux

  • Unix and OpenShift Systems Engineer

    2 weeks ago

    Singapore beBeeSystem Administrator Full time $80,000 - $120,000

    Unix and OpenShift Systems EngineerThis is a critical role that requires the expertise of an experienced Unix/Linux administrator, with a strong focus on RHEL system administration and troubleshooting. The successful candidate will have hands-on experience with managing and maintaining complex systems across development, testing, and production...

  • Unix / Linux System Administrator

    5 days ago

    Singapore ALMR Consulting Pte Ltd Full time

    **Role: Unix / Linux System Administrator** **Responsibilities**: - Install, configure, and maintain AIX, Solaris, and Linux operating systems on standalone and virtual machines (LPAR/VIO, LDOM, and VM). - Detect, diagnose, and report UNIX-related problems on servers. - Provide daily support for UNIX operating systems, including:Capacity utilization,OS...

  • Junior Linux/unix Systems Administrator

    1 week ago

    Singapore ARYAN SOLUTIONS PTE. LTD. Full time

    **Junior Linux/Unix Systems Administrator (1-4 Years of Experience)** Are you passionate about Linux/Unix systems and eager to develop your skills in server management? Join our team as a Junior Linux/Unix Systems Administrator and take on a crucial role in maintaining, troubleshooting, and optimizing our infrastructure. **Key Qualifications**: -...

  • Unix/Linux System Administrator

    2 weeks ago

    Singapore CHARTERHOUSE PTE. LTD. Full time

    Roles & ResponsibilitiesWe are looking for a Unix/Linux System Administrator to join our IT Infrastructure team. In this role, you will be responsible for maintaining, supporting, and enhancing our Unix/Linux systems across production, test, and disaster recovery environments. This position is ideal for someone with solid technical skills who enjoys hands-on...

  • Unix/Linux System Administrator

    2 weeks ago

    Singapore CHARTERHOUSE PTE. LTD. Full time

    Roles & Responsibilities We are looking for a Unix/Linux System Administrator to join our IT Infrastructure team. In this role, you will be responsible for maintaining, supporting, and enhancing our Unix/Linux systems across production, test, and disaster recovery environments. This position is ideal for someone with solid technical skills who enjoys...

  • System Administrator

    4 days ago

    Singapore APAR TECHNOLOGIES PTE. LTD. Full time

    Install, monitor, and upgrade Linux/ Unix system software on company servers and computers Create and maintain Unix user accounts and access management systems Create standardized backup and recovery policies Create, set up, and monitor security policies Apply patches and upgrades Respond to user requests and software errors. Assist in the resolution of...

  • Unix/Linux Systems Administrator

    2 weeks ago

    Singapore beBeeSystemAdministrator Full time

    Job Opportunity A prominent organization is seeking a highly skilled System Administrator to join their infrastructure team. The ideal candidate will possess in-depth knowledge of Unix/Linux systems and VMware technologies, with hands-on experience in managing, provisioning, and supporting virtualized environments. "> Key Responsibilities: Install,...

  • System Administrator

    7 days ago

    Singapore APAR TECHNOLOGIES PTE. LTD. Full time

    Install, monitor, and upgrade Linux/ Unix system software on company servers and computers Create and maintain Unix user accounts and access management systems Create standardized backup and recovery policies Create, set up, and monitor security policies Apply patches and upgrades Respond to user requests and software errors. Assist in the resolution...

  • Linux/unix Administrator

    1 week ago

    Singapore Opensource Pte Ltd. Full time

    **Responsibilities**: - Possess solid technical knowledge of RHEL/Oracle Linux and Unix hardware, operating systems, and system services. - Independently plan and lead OS upgrade/migration activities. - Proficient in troubleshooting and performance tuning of Linux/UNIX systems. - Scripting expertise in Bash, Python, and Perl for automation and task...

  • Linux/unix Security Administrator

    2 weeks ago

    Singapore Horizon Corp Full time

    **Role - Linux/Unix Security Administrator** **Location - Singapore** **Duration - Long term contract (R Systems Payroll)** **Job description** - Responsible for Linux/UNIX security hardening in accordance with the established Bank’s Security Standards. - Perform Linux/UNIX server takeover process and security hardening compliance verification...