Systems Engineer (Linux & Infrastructure)

Tap Growth ai; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Tap Growth ai is seeking a Systems Engineer (Linux & Infrastructure) to install, configure, maintain, and support mission-critical backend systems across Windows and Linux environments. You will implement security hardening, manage changes, and ensure service continuity with proactive monitoring and incident analysis.

The role emphasizes strong scripting, backup/recovery planning, and collaboration with project teams to deliver reliable, secure infrastructure for enterprise applications.

Qualifications

• Strong Linux and Windows server administration experience.
• Experience with CIS hardening and security best practices.
• Proficient in root cause analysis and incident response.
• Ability to implement backup, restore, and DR procedures.
• Experience in change management and incident handling processes.
• Familiarity with enterprise network troubleshooting and maintenance.
• Proficient in scripting for automation (bash/PowerShell).

Responsibilities

• Install, configure, and maintain backend systems per specs and SLAs.
• Manage changes with impact assessments and stakeholder communication.
• Analyze incidents and implement preventive, corrective actions.
• Develop and test backup, restore, and disaster recovery procedures.
• Provide guidance to project teams and stakeholders on infrastructure.
• Configure and support Windows and Linux server environments.
• Perform security hardening and compliance activities.
• Monitor performance, availability, and operational health.
• Conduct routine maintenance on systems and networks.
• Collaborate with internal teams to ensure secure, stable operations.

Skills

Linux administration

Windows administration

CIS hardening

Root cause analysis

Backup and recovery

System maintenance

Network troubleshooting

Change management

Incident management

Scripting (bash/PowerShell)

Education

NITEC / Higher NITEC / Diploma / Degree in IT or related

Tools

REAR

Job description

We're Hiring: Systems Engineer (Linux & Infrastructure)!

We are seeking a Systems Engineer (Linux & Infrastructure) to install, configure, maintain, and support mission-critical backend infrastructure and enterprise systems. The successful candidate will be responsible for system implementation, hardening, administration, troubleshooting, and service continuity planning across Windows and Linux environments. This role requires strong expertise in server configuration, security hardening, system recovery, and infrastructure support, with exposure to security and surveillance systems being advantageous.

Key Responsibilities

• Install, test, implement, and maintain backend systems in accordance with technical specifications and service level requirements.

• Manage system changes through established change management processes, including impact assessment, approvals, implementation, and stakeholder communication.

• Conduct root cause analysis for system incidents and implement preventive measures to enhance system reliability and stability.

• Develop, maintain, and execute backup, restore, and disaster recovery procedures to ensure business continuity.

• Provide technical guidance and support to project teams, customers, and stakeholders on backend infrastructure and system-related matters.

• Configure, administer, and support Windows and Linux server environments.

• Perform security hardening and compliance activities based on industry best practices and organizational standards.

• Monitor system performance, availability, and operational health, proactively addressing risks and issues.

• Perform routine computer and network maintenance activities.

• Support troubleshooting activities across infrastructure, systems, and network environments.

• Collaborate with internal teams to ensure secure, stable, and optimized backend operations.

General Qualifications

• NITEC, Higher NITEC, Diploma, or Degree in Information Technology, Electrical Engineering, Electronics Engineering, Computer Engineering, or a related discipline.

• Minimum 3+ years of experience in systems administration, infrastructure support, or backend systems engineering.

• Experience supporting enterprise Windows and Linux server environments.

• Strong communication skills with the ability to explain technical concepts to technical and non-technical stakeholders.

Mandatory Skills

• Hands-on experience configuring and administering Linux and Windows Servers.

• Experience performing CIS hardening and implementing security best practices on server environments.

• Strong Linux administration experience, including:
  • User account management and privilege control (sudoers)
  • SSH configuration and security (sshd_config)
  • Password policy management (chage, passwd)

• Linux server backup and recovery using REAR (Relax-and-Recover).

• Experience with system installation, configuration, testing, and implementation.

• Knowledge of backup, restore, disaster recovery, and service continuity planning.

• Experience with change management, incident management, and root cause analysis processes.

• Understanding of network fundamentals, including server connectivity, troubleshooting, and basic infrastructure support.

• Experience performing routine system maintenance, monitoring, and operational support.

• Knowledge of enterprise network infrastructure and troubleshooting methodologies.

Nice-to-Have Skills

• Experience supporting PSIM (Physical Security Information Management) platforms.

• Exposure to CCTV surveillance systems, video management systems, and related infrastructure.

• Experience with access control, alarm, and intrusion detection systems.

• Knowledge of enterprise network infrastructure and troubleshooting methodologies.

• Familiarity with security compliance frameworks and server security best practices.

• Scripting and automation experience using Bash, PowerShell, or similar tools.

Keen to build robust infrastructure?