Unix Engineer

U3 INFOTECH PTE. LTD.; Singapore; On-site; SGD 70,000 - 90,000; Full time

Job summary

A technology solutions provider in Singapore is seeking an experienced Unix Engineer to manage and optimize RHEL environments and OpenShift clusters. Key responsibilities include administering JBoss application servers and implementing security best practices. The ideal candidate will have a Bachelor's degree and over five years of Unix/Linux administration experience, particularly in RHEL. This role offers opportunities for professional growth in a fast-paced environment.

Qualifications

• 5+ years of experience in Unix/Linux administration, with a focus on RHEL.
• Strong knowledge of OpenShift container platform administration.
• Experience with JBoss application server management.

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.

Skills

RHEL system administration

Containerisation technologies (Docker, Kubernetes)

Shell scripting (Bash)

Networking concepts

Configuration management tools (Ansible, Puppet)

Monitoring and logging solutions (Prometheus, ELK stack)

Education

Bachelor's degree in Computer Science, Information Technology, or related field

Job description

We are looking for an experienced Unix Engineer with strong expertise in Red Hat Enterprise Linux (RHEL) and associated technologies. The ideal candidate will be responsible for managing and optimising our RHEL environments, OpenShift clusters, JBoss application servers, and Red Hat Satellite infrastructure.

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, Information Technology, or related field
• 5+ years of experience in Unix/Linux administration, with a focus on RHEL
• Strong knowledge of OpenShift container platform administration
• Experience with JBoss application server management
• Proficiency in using Red Hat Satellite for system management

Required Skills

• Advanced knowledge of RHEL system administration and troubleshooting
• Experience with containerisation technologies (Docker, Kubernetes)
• 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., Prometheus, ELK stack)

Preferred Skills

• Red Hat certifications (RHCSA, RHCE, or higher)
• Experience with cloud platforms (AWS, Azure, or GCP)
• Knowledge of CI/CD pipelines and DevOps practices
• Familiarity with database administration (e.g., MySQL, PostgreSQL)
• Experience with high-availability and disaster recovery solutions

Personal Attributes

• Strong problem-solving and analytical skills
• Excellent communication abilities, both written and verbal
• Self-motivated with the ability to work independently and in a team
• Attention to detail and commitment to quality
• Ability to manage multiple priorities in a fast-paced environment

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