System Engineer

Company Description The ITSEC Group is one of the leading cybersecurity groups in the Asia Pacific region, with offices in Singapore, Jakarta, Dubai, Melbourne, and Bangkok. The organization focuses on delivering advanced security solutions and services to a diverse range of clients. Team members work with cutting-edge technologies and complex security environments, contributing to the protection of critical digital assets. The Singapore office offers a collaborative and growth-oriented environment for professionals who want to deepen their expertise in cybersecurity and systems engineering.

Role Description This is a full-time, on-site System Engineer role based in Singapore. We are seeking a skilled and motivated Systems Engineer to manage and support enterprise infrastructure environments, including Microsoft Windows Servers, Red Hat Enterprise Linux (RHEL), backup platforms, and storage systems. The successful candidate will be responsible for ensuring system availability, security, performance optimisation, backup reliability, and disaster recovery readiness across enterprise environments.

This role requires strong technical expertise in infrastructure operations, system administration, storage management, backup and recovery, troubleshooting, and automation.

Key ResponsibilitiesWindows Server Administration

• Install, configure, and maintain Microsoft Windows Server environments
• Manage Active Directory (AD), Group Policy (GPO), DNS, and DHCP services
• Perform patching, updates, and vulnerability remediation
• Administer IIS, file servers, and print services
• Monitor system performance and event logs

Red Hat Enterprise Linux (RHEL) Administration

• Install, configure, and maintain RHEL servers
• Implement system hardening and security compliance standards
• Manage user access, permissions, and SSH controls
• Configure and support Linux services and applications
• Execute patching, kernel updates, and performance tuning

Backup & Recovery Management

• Manage enterprise backup solutions such as Commvault, NetWorker, or equivalent
• Configure and monitor backup policies and schedules
• Troubleshoot backup failures and perform recovery operations
• Conduct regular restore testing and validation
• Ensure compliance with retention and regulatory requirements

Storage Administration

• Support SAN, NAS, and DAS storage environments
• Provision storage volumes, LUNs, and file shares
• Monitor storage utilisation, performance, and capacity
• Perform storage optimisation and maintenance activities
• Support storage replication and disaster recovery configurations

System Monitoring & Incident Support

• Monitor infrastructure health, performance, and availability
• Investigate and resolve infrastructure incidents and alerts
• Provide Level 2 / Level 3 technical support
• Conduct root cause analysis and implement corrective actions

Security & Compliance

• Apply system hardening and security best practices
• Support vulnerability remediation and patch management
• Maintain compliance with organisational and security policies
• Support audits and operational reviews

Automation & Documentation

• Develop automation scripts using PowerShell, Bash, or Ansible
• Maintain technical documentation, SOPs, and operational runbooks
• Generate reports on system health, backup status, and storage usage
• Maintain accurate asset and configuration records

RequirementsEducation & Qualifications

• Diploma or Degree in Information Technology, Computer Science, Engineering, or related field
• Relevant certifications such as Microsoft, Red Hat, VMware, or Storage certifications will be an advantage

Technical Skills

• Strong knowledge of Windows Server administration
• Experience with Red Hat Enterprise Linux (RHEL)
• Familiarity with backup technologies such as Commvault or NetWorker
• Experience managing enterprise storage platforms
• Knowledge of system monitoring and infrastructure management tools
• Scripting knowledge in PowerShell, Bash, or Ansible

Experience

• Minimum 2–5 years of experience in systems or infrastructure administration
• Experience supporting enterprise production environments
• Exposure to disaster recovery and business continuity operations preferred

Soft Skills

• Strong analytical and troubleshooting skills
• Good communication and documentation abilities
• Ability to work independently and in a team environment
• Strong sense of responsibility and operational discipline