Full Time Backend Infrastructure - Security Systems Engineer(Linux - Windows) Jobs, salary up to SGD 5,800 in ES RECRUITMENT PTE. LTD. - Maukerja

Backend Infrastructure & Security Systems Engineer(Linux / Windows) X 3 openings

Security-Cleared Environment

Are you an experienced Systems Engineer who enjoys working with Linux, Windows Servers, infrastructure security, and mission-critical systems?

Join a professional engineering team supporting enterprise backend infrastructure and integrated security systems used in high-availability operational environments.

This role offers hands-on exposure to Linux administration, Windows Server management, cybersecurity hardening, disaster recovery, and enterprise security technologies.

What You'll Be Working On

As a Backend Infrastructure & Security Systems Engineer, you will be responsible for supporting, configuring, securing, and maintaining critical backend systems and infrastructure.

Your responsibilities include:

Infrastructure & Systems Administration

• Configure and maintain Linux and Windows servers
• Perform server installation, testing, deployment, and upgrades
• Monitor system performance and ensure service availability
• Support system lifecycle management and maintenance activities

Security Hardening & Compliance

• Implement CIS hardening for Linux and Windows servers
• Configure SSH security settings and access controls
• Manage Linux user accounts, sudo privileges, and authentication policies
• Maintain server security configurations in accordance with security standards

Backup, Recovery & Business Continuity

• Execute backup and restoration activities
• Support disaster recovery planning and testing
• Validate system recovery procedures
• Ensure business continuity readiness for critical systems

Troubleshooting & Incident Management

• Investigate system incidents and perform root cause analysis
• Implement corrective and preventive measures
• Support change management activities and system enhancements
• Work closely with project teams and stakeholders to resolve technical issues

Security Systems Support

Gain exposure to enterprise security technologies including:

• Physical Security Information Management (PSIM)
• CCTV Surveillance Systems
• Access Control Systems
• Alarm Monitoring Systems
• Enterprise Network Infrastructure

What We're Looking For

Mandatory Skills

Linux Server Administration

Windows Server Administration

Server Configuration &Deployment

Infrastructure Troubleshooting

Backup & Recovery Operations

Basic Networking Knowledge

Strong Problem-Solving Skills

Preferred Experience

Candidates with any of the following experience are highly encouraged to apply:

• CIS Hardening
• Linux Security Configuration
• SSH Administration
• Sudo Privilege Management
• Disaster Recovery Operations
• Data Centre Operations
• Infrastructure Support
• Security Operations Environment
• CCTV / Access Control Systems
• PSIM Platforms

Educational Requirements

NITEC / Higher NITEC / Diploma / Degree in:

• Information Technology
• Computer Engineering
• Electronics Engineering
• Electrical Engineering
• Cybersecurity
• Or related disciplines

Relevant hands-on experience will also be considered.

Career Growth

Exposure to enterprise-scale infrastructure environments

Build experience in cybersecurity hardening and security systems integration

Technical Exposure

Linux & Windows Enterprise Servers

Security Hardening& Compliance

Disaster Recovery &Business Continuity

Integrated Security Platforms

Mission-Critical Infrastructure

Work Environment

Stable long-term project

Structured engineering processes

Collaborative technical team

Valuable security-cleared industry experience

Eligibility

Due to project security requirements, applicants must be eligible for at least Cat 2A Security Clearance.

EA License No: 09C4235 I EA Reg: R1103307 (Hong Mei Lin)