RAPSYS TECHNOLOGIES PTE. LTD. Hiring! Full Time Lead System Engineer – WINTEL - RHEL in Islandwide (Singapore), Earn up to SGD 7,000 - Ricebowl

Key Responsibilities

• Design, deploy, and manage Windows Server and RHEL infrastructure.
• Perform system administration including user management, access controls, patching, and security hardening.
• Develop automation using PowerShell, Bash, and Python.
• Monitor system performance and optimise infrastructure reliability and resource utilisation.
• Troubleshoot complex technical issues and provide timely resolution.
• Manage virtualisation platforms and storage solutions, including configuration and capacity planning.
• Support infrastructure changes, upgrades, and cross-functional implementation activities.
• Maintain detailed technical documentation, procedures, and architectural records.
• Conduct security assessments and implement infrastructure security best practices.
• Participate in incident management and provide on-call support when required.
• Keep updated with emerging technologies and recommend infrastructure improvements.

Mandatory Requirements

• Strong hands-on experience in Windows Server / Wintel administration.
• Strong hands-on experience with Red Hat Enterprise Linux (RHEL).
• 3–5 years of experience in IT infrastructure administration, operations, or support.
• ITIL Foundation certification.
• Excellent written and verbal communication.
• Strong team coordination and collaboration skills.
• Good stakeholder presentation skills.
• Strong time management and prioritisation skills.
• Proven ability to prepare accurate and detailed technical documentation.
• Diploma/Degree in Computer Science, IT, Computer Engineering, or related field.

Good to Have

• IBM AIX administration.
• IBM Spectrum Protect for backup and recovery.
• CyberArk / Privileged Access Management.
• IBM QRadar / SIEM.
• Symantec EDR.
• IBM Tivoli Monitoring.
• RSA security solutions.
• Vulnerability remediation tracking and management.