ICT Infrastructure Engineer - Unix Engineer

Recruit CRM; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

Recruit CRM in Singapore is seeking an ICT Infrastructure Engineer - Unix Engineer to manage and optimize RHEL systems across development, testing, and production environments. You will design, implement, and support OpenShift container platforms and administer JBoss application servers.

The role requires expertise in Red Hat Satellite for provisioning, patching, and configuration management, plus strong scripting (Bash, Python) and networking knowledge.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or related field.
• 5+ years of Unix/Linux administration experience with RHEL.
• Experience with OpenShift, JBoss, and Red Hat Satellite.

Responsibilities

• Manage and maintain RHEL systems across dev, test, prod.
• Design, implement, and support OpenShift container platforms.
• Administer and troubleshoot JBoss application servers.
• Use Red Hat Satellite for provisioning, patching, and config mgmt.
• Apply security best practices and ensure compliance.
• Perform system upgrades and maintenance tasks.
• Document configurations and processes.
• Collaborate with development teams to support deployments.
• Participate in on-call rotations for critical systems.

Skills

Unix/Linux administration

Shell scripting (Bash)

Python

Networking fundamentals

MQ platforms knowledge

Education

Bachelor's degree in Computer Science, Software Engineering, or related field

Tools

OpenShift

Red Hat Satellite

JBoss

Ansible

Puppet

Zabbix

ELK stack

Job description

ICT Infrastructure Engineer - Unix Engineer

Key responsibilities

• Manage and maintain RHEL systems across development, testing, and production environments


• Design, implement, and support OpenShift container platforms


• Administer and troubleshoot JBoss application servers


• Utilise Red Hat Satellite for system provisioning, patching, and configuration management


• Implement security best practices and ensure compliance with industry standards


• Perform system upgrades, patches, and maintenance tasks


• Develop and maintain documentation for system configurations and processes


• Collaborate with development teams to support application deployment and operations


• Participate in on-call rotations for critical system support

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or related field


• 5+ years of experience in Unix/Linux administration, with a focus on RHEL system administration and troubleshooting


• Experience in supporting Messaging Queue platforms (e.g. IBM MQ, Active MQ, etc.)


• Strong knowledge of OpenShift container platform administration


• Proficiency in using Red Hat Satellite for system management


• Proficiency in shell scripting (Bash) and at least one programming language (e.g., Python)


• Strong understanding of networking concepts and protocols


• Experience with configuration management tools (e.g., Ansible, Puppet)


• Knowledge of monitoring and logging solutions (e.g., Zabbix, ELK stack)