System Engineer (Infrastructure) - L1 - 24/7 Standby - Urgent

OPUS IT SERVICES PTE LTD; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

OPUS IT SERVICES PTE LTD in Singapore is seeking a System Engineer responsible for system administration and management of operating systems, software, and hardware to ensure stability and security of complex IT environments.

You will work with Windows Server, Linux, Solaris, and virtualization, provide incident response and documentation, and collaborate with vendors to support onboarding and compliance.

Qualifications

• Diploma in IT or related field.
• Min. 3 years of experience in managing system and hardware infrastructure.
• ITIL certification helpful; CCNA/MCSE/RHCSA certifications are advantageous.

Responsibilities

• Manage operating systems and hardware infrastructure.
• Maintain SOPs, reports, and capacity planning.
• Collaborate with third-party vendors and service providers.
• Ensure compliance with information security policies and training.

Skills

System admin

Windows Server

Linux

AD/Directory

Troubleshooting

Education

Diploma in IT

Tools

Active Directory

DNS/DHCP

Azure AD

Job description

Job Summary:The System Engineer will be responsible for performing System Administration and Management activities for the Company and/or In‑Scope Institutions. This role includes managing operating systems, system software, hardware, and ensuring the stability and security of system environments.

Key Responsibilities

1. System and Hardware Management:Support and manage various operating systems including Windows Server, Linux (RHEL, SUSE, Ubuntu), Solaris, IBM AIX, and Oracle Linux.
   • Manage system software and hardware such as Active Directory, DNS, DHCP, ADFS, Azure AD, clustering solutions, SAN/NAS storage, and virtualization platforms.
2. Incident and Problem Management:
   • Respond to system incidents according to severity levels and meet service level requirements.
   • Handle high‑pressure situations, identify problems, and make quick decisions to resolve issues.
   • Adhere to incident management workflows and procedures.
3. Documentation and Reporting:
   • Maintain and update system documentation, standard operating procedures (SOP), guidelines, and daily checklists.
   • Provide timely and accurate reports on system performance, capacity planning, and incident analysis.
4. Collaboration and Coordination:
   • Work closely with third‑party vendors, telecommunication operators, ISPs, and other service providers.
   • Participate in transition planning and support the onboarding of systems and services.
5. Compliance and Training:
   • Ensure compliance with company policies, information security guidelines, and health and safety regulations.
   • Provide continuous training to enhance knowledge and skills in system administration and management.

Qualifications

Education: Diploma in Information Technology or a related field.

Experience: Minimum of 3 years of experience in managing system and hardware infrastructure.

Certifications: ITIL certified, relevant certifications for specific systems (e.g., CCNA, MCSE, RHCSA).

Skills

• Strong technical knowledge of system and hardware management.
• Excellent problem-solving and decision‑making skills.
• Ability to work independently and as part of a team.
• Strong communication and interpersonal skills.

Working Conditions

• Ability to work on standby, including nights, weekends, and holidays.
• On standby and contactable 24/7 for support and escalation.