System Engineer

We are seeking a skilled and motivated SystemsEngineer 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 responsiblefor 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.

About ITSEC Group

ITSEC Group is a leading cybersecurity organisation in the Asia-Pacific region, with offices in Singapore, Indonesia, Australia, UAE and Mauritius. We provide cybersecurity consulting and solutions to clients acrossa wide range of industries.

We provide cybersecurity consulting and solutions to clients across a wide range of industries.

Our team collaborates across regional offices to address complex security challenges and evolving cyber threats. Joining ITSEC Group provides exposure to wide range of consultancy projects, diverse technology environments and established cybersecurity practices.

We are seeking a skilled and motivated Cloud Engineer to manage and support enterprise virtualization and hyperconverged infrastructure platforms, primarily VMware and Nutanix environments. The successful candidate will be responsible for ensuring the availability, performance, scalability, and security of virtual infrastructure supporting business-critical applications.

This role requires strong technical expertise in virtualization technologies, infrastructure operations, automation, and troubleshooting within enterprise environments.

Key Responsibilities

Windows 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 and 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 storageenvironments.

· 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 and 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 and 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 and 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.

Education & Experience

· Diploma or Degree in Information Technology, Computer Engineering, Computer Science, or related discipline.

· Relevant certifications such as Microsoft, Red Hat, VMware, or Storage certifications will be an advantage.

· Minimum 2–5 years of hands-on experience in systems or infrastructure administration.

· Experience supporting enterprise production environments.

· Exposure to disaster recovery and business continuity operations preferred.

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.

Soft Skills

· Strong troubleshooting and analytical skills.

· Good communication and documentation abilities.

· Ability to work independently and collaboratively in a team environment.

· Strong sense of responsibility and operational discipline.