Lead System Engineer (WINTEL / RHEL)

Tap Growth ai; Singapore; On-site; SGD 120,000 - 160,000; Full time

Job summary

Tap Growth ai in Singapore is seeking a Lead System Engineer to manage Windows/WINTEL and Red Hat Enterprise Linux environments, ensuring reliability, security, and performance for critical workloads. You will design, implement, and maintain on‑premises and hybrid infrastructure and develop automation scripts for efficiency.

The ideal candidate has 3–5 years in IT infrastructure, strong WINTEL and RHEL expertise, ITIL Foundation, and excellent communication and documentation skills for

Qualifications

• Minimum 3–5 years of IT infrastructure administration, operations, or support roles.
• Experience supporting enterprise-scale IT environments is preferred.
• ITIL Foundation certification is required.
• Strong Windows (WINTEL) and RHEL expertise are essential.
• Excellent written and verbal communication skills; ability to present to stakeholders.
• Proven ability to document configurations, procedures, and architectures.
• Proactive in applying security hardening and patch management practices.

Responsibilities

• Design, deploy, and manage Windows Server and RHEL infrastructure in on‑premises and hybrid environments.
• Perform system administration tasks including user management, access controls, patching, and security hardening across both platforms.
• Develop and implement automation scripts using PowerShell, Bash, and Python to streamline operations.
• Monitor performance, analyze metrics, and optimize infrastructure for uptime and efficiency.
• Troubleshoot complex issues and provide timely resolutions to minimize business impact.
• Manage virtualization platforms and storage with capacity planning.
• Collaborate with cross-functional teams to plan changes and upgrades while maintaining stability.
• Maintain detailed documentation of configurations, procedures, and architectures.
• Conduct security assessments and implement best practices to protect infrastructure.
• Participate in incident management and provide on‑call support as needed.
• Stay current with industry trends to propose improvements.

Skills

Windows/Wintel admin

RHEL admin

ITIL Foundation

Communication

Team coordination

Presentation skills

Time management

Documentation

Education

Diploma or Degree in Computer Science / Information Technology / Computer Engineering

Tools

PowerShell

Bash

Python

Job description

We're Hiring: Lead System Engineer (WINTEL / RHEL)!

We are looking for a skilled and driven Lead System Engineer to manage and optimize our WINTEL and RHEL environments. As a key member of our IT team, you will ensure system reliability, security, and performance while supporting business operations in a dynamic setting.

Location: Singapore, Singapore

Work Mode: Work from Office

Role: Lead System Engineer (WINTEL / RHEL)

We are seeking an experienced Senior System Engineer with expertise in Windows and Red Hat Enterprise Linux environments to join our organization in Singapore. In this role, you will be responsible for designing, implementing, and maintaining robust infrastructure solutions that support our enterprise operations. You will work with cutting‑edge technologies while ensuring system reliability, security, and optimal performance across our IT landscape.

• Design, deploy, and manage Windows Server and RHEL infrastructure solutions in on-premises and hybrid environments


• Perform system administration tasks including user management, access controls, patch management, and security hardening across both platforms


• Develop and implement automation scripts using PowerShell, Bash, and Python to streamline operational processes and improve efficiency


• Monitor system performance, analyze metrics, and optimize infrastructure to ensure maximum uptime and resource utilization


• Troubleshoot complex technical issues and provide timely resolutions to minimize business impact


• Manage virtualization platforms and storage solutions, ensuring proper configuration and capacity planning


• Collaborate with cross-functional teams to implement infrastructure changes and upgrades while maintaining system stability


• Maintain detailed documentation of system configurations, procedures, and architectural decisions


• Conduct security assessments and implement best practices to protect infrastructure from vulnerabilities


• Participate in incident management and provide on-call support as needed


• Stay current with industry trends and emerging technologies to recommend improvements to existing systems

Qualifications

• Technical Expertise: - Strong proficiency in Windows Server (Wintel) administration and management (Must Have)


• Hands‑on experience with Red Hat Enterprise Linux (RHEL) (Must Have)


• Soft Skills: Excellent communication skills (written and spoken) (Must Have)


• Strong team coordination and collaboration abilities (Must Have)


• Effective presentation skills for stakeholder engagement (Must Have)


• Excellent time management skills with ability to prioritise and meet deadlines (Must Have)


• Documentation: - Proven ability to create detailed and accurate technical documentation (Must Have)


• Certification: - ITIL Foundation certification (Must Have)

Good to Have

• Experience with IBM AIX administration


• Knowledge of IBM Spectrum Protect (backup and recovery solutions)


• Familiarity with CyberArk (Privileged Access Management)


• Experience with IBM QRadar (Security Information and Event Management)


• Knowledge of Symantec EDR (Endpoint Detection and Response)


• Experience with IBM Tivoli Monitoring


• Familiarity with RSA security solutions


• Experience in vulnerability remediation tracking and management

Experience

• Minimum 3–5 years of experience in IT infrastructure administration, operations, or support roles


• Experience supporting enterprise or government sector projects is an advantage

Education

• Diploma or Degree in Computer Science, Information Technology, Computer Engineering, or related field