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UNIX ENGINEER / SYSTEM ENGINEER (URGENT HIRING!!!)

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Salary: $5,100 – $5,300 per month

Job Opportunity 1: Unix Engineer (Terraform Required)

Location: Bendemeer, Singapore
Working Hours: Monday to Friday, 9:00 AM – 6:00 PM
Employment Type: 12-Month Contract
Salary: Negotiable, based on qualifications, relevant experience and technical capabilities
Standby Support: Required

Job Overview

We are looking for a Unix Engineer with at least 3 years of enterprise Unix/Linux administration experience. Candidates must have hands-on Terraform experience, with strong knowledge of Red Hat, Solaris/AIX and clustering technologies. Experience with Ansible and scripting is an advantage. Standby support is required.

Key Responsibilities

  • Perform day-to-day administration, maintenance and troubleshooting of Unix/Linux environments, including Red Hat, Solaris, AIX, SUSE and other Linux distributions.

  • Diagnose server and application-related issues, conduct root cause analysis and implement effective corrective and preventive measures.

  • Deploy operating system packages, patches, bug fixes and security updates across Test, Pre-Production and Production environments.

  • Provide first- and second-level operational support for Unix/Linux systems, ensuring system availability and compliance with agreed service levels.

  • Support and maintain high-availability environments, including Red Hat Clustering and Oracle Solaris Clustering.

  • Manage infrastructure changes in accordance with established change management procedures, including change requests, implementation plans and status reporting.

  • Respond promptly to system incidents, security alerts and escalations, coordinating with relevant teams and third-party vendors to achieve timely resolution.

  • Perform first-level troubleshooting of third-party infrastructure applications and follow up with vendors on outstanding issues.

  • Implement and maintain backup, restoration and disaster recovery procedures to support business continuity.

  • Participate in infrastructure audits, address audit findings and ensure compliance with operational and security requirements.

  • Monitor system performance, availability and capacity using tools such as SolarWinds.

  • Maintain accurate technical documentation, operational procedures and system configuration records.

  • Participate in after-hours maintenance activities, including scheduled patching and other operational changes, as required in a 24x7 environment.

  • Provide standby support and travel to other offices within Singapore when operationally required.

  • Undertake other duties as assigned.

Requirements

  • Minimum Diploma in Information Technology, Computer Science or an equivalent discipline.

  • At least 3 years of relevant experience in Unix/Linux system administration within an enterprise environment.

  • Mandatory: Hands-on experience with Terraform for infrastructure provisioning or automation.

  • Strong knowledge of Unix/Linux operating systems, particularly Red Hat Enterprise Linux, Solaris, AIX and/or SUSE.

  • Strong knowledge and hands-on experience in Red Hat Clustering and Oracle Solaris Clustering.

  • Experience with scripting languages and tools such as Perl, Ruby, AWK, Bash or Korn Shell.

  • Familiarity with system monitoring tools such as SolarWinds.

  • Experience in system patching, troubleshooting, incident management, security remediation and change management.

  • Understanding of backup and recovery procedures, disaster recovery and business continuity practices.

  • Knowledge of Ansible and configuration management tools is an advantage.

  • RHCSA or RHCE certification will be an added advantage.

  • Familiarity with Microsoft technologies, including Windows Server, Active Directory and Group Policy, is preferred.

  • Strong analytical, troubleshooting and communication skills.

  • Able to work independently, manage operational priorities and participate in standby support.

Preferred Skills

  • Ansible and configuration management.

  • RHCSA/RHCE certifications.

  • Bash, Korn Shell, Perl, Python, Ruby or AWK scripting.

  • Windows Server and Microsoft infrastructure technologies.

Interested candidates are encouraged to apply with an updated CV detailing their relevant Unix/Linux administration and Terraform experience.



Job Opportunity 2: System Engineer (Windows, Unix/Linux & Terraform)

Location: Bendemeer, Singapore
Working Hours: Monday to Friday, 9:00 AM – 6:00 PM
Employment Type: 12-Month Contract
Salary: Negotiable, based on experience and qualifications
Standby Support: Required

Job Overview

We are seeking a System Engineer with 3–7 years of enterprise IT infrastructure experience across Windows Server and Unix/Linux environments. Candidates must have hands-on Terraform experience, with knowledge of Active Directory, backup and recovery, and middleware support. Experience with Ansible and virtualization is an advantage. Standby support is required.

Key Responsibilities

1. Windows & Unix/Linux System Administration

  • Administer, maintain and troubleshoot Windows Server and Unix/Linux systems in an enterprise environment.

  • Manage Active Directory, including user accounts, organizational units (OU), Group Policy Objects (GPO) and access controls.

  • Configure and maintain DNS, DHCP and Windows file and print services.

  • Perform operating system patching, upgrades, security hardening and vulnerability remediation across Windows and Unix/Linux platforms.

  • Monitor system performance, availability and capacity to ensure infrastructure stability and reliability.

  • Investigate and resolve system incidents, performance issues and operational problems.

2. Backup, Recovery & Disaster Recovery

  • Manage and monitor enterprise backup and recovery solutions, such as Veeam, Veritas NetBackup and Windows Backup.

  • Perform backup verification, data restoration and recovery testing to ensure data integrity and recoverability.

  • Support disaster recovery planning, testing and business continuity activities.

  • Troubleshoot backup failures and implement corrective actions to maintain backup reliability.

3. Middleware & Application Support

  • Install, configure, maintain and troubleshoot middleware platforms, including IBM WebSphere, Oracle WebLogic, Apache Tomcat, JBoss and Microsoft IIS.

  • Support application deployment and environment configuration across Test, Pre-Production and Production environments.

  • Troubleshoot middleware, application and infrastructure-related issues in production environments.

  • Work closely with application, database and infrastructure teams to identify root causes and resolve technical issues.

4. Infrastructure Automation & Virtualization

  • Use Terraform to provision and manage infrastructure resources and support infrastructure automation.

  • Support configuration management and automation using tools such as Ansible.

  • Automate routine system administration tasks using PowerShell, Bash and other scripting languages.

  • Manage and support virtualization platforms, including VMware and Microsoft Hyper-V.

  • Support cloud infrastructure environments where applicable.

  • Maintain infrastructure documentation, standard operating procedures (SOPs) and configuration records.

5. Operations, Security & Collaboration

  • Participate in incident management, problem management and security remediation activities.

  • Work closely with network, database, application and security teams to resolve infrastructure issues.

  • Follow established change management processes for system changes, patching and production deployments.

  • Provide standby and on-call support when required.

  • Manage multiple technical tasks, prioritize operational requirements and ensure timely issue resolution.

Requirements

  • Bachelor's Degree in Computer Science, Information Technology or a related discipline.

  • 3–7 years of relevant experience in system engineering, system administration or enterprise infrastructure support.

  • Mandatory: Hands-on experience with Terraform for infrastructure provisioning or automation.

  • Hands-on experience administering Windows Server environments, including Active Directory, GPO, DNS, DHCP, backup and recovery.

  • Practical experience supporting Unix/Linux platforms, such as Red Hat Enterprise Linux (RHEL), Ubuntu, AIX, Solaris or CentOS.

  • Experience managing enterprise backup and recovery solutions.

  • Hands-on experience supporting middleware platforms in production environments.

  • Familiarity with IBM WebSphere, Oracle WebLogic, Apache Tomcat, JBoss and/or Microsoft IIS.

  • Knowledge of virtualization technologies, such as VMware and Hyper-V.

  • Understanding of networking fundamentals, including TCP/IP and firewall concepts.

  • Familiarity with system monitoring tools, security patching and vulnerability remediation.

  • Scripting knowledge in PowerShell, Bash, Korn Shell, Perl or Python.

  • Strong troubleshooting, analytical, communication and documentation skills.

  • Able to work independently and collaboratively in a fast-paced enterprise environment.

  • Willingness to participate in standby support when required.

Preferred Skills & Certifications

  • Experience with Ansible and configuration management.

  • RHCSA or RHCE certification.

  • Microsoft certifications related to Windows Server or Azure.

  • Middleware-related certifications.

  • Experience with cloud infrastructure and automation.

  • Exposure to enterprise disaster recovery and business continuity practices.

Interested candidates are encouraged to apply with an updated CV highlighting their Windows Server, Unix/Linux, middleware and Terraform experience.

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