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.
UNIX ENGINEER / SYSTEM ENGINEER (URGENT HIRING!!!) at OPUS IT Services (Bendemeer, Central Region) — aijobsearch
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.
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.