Information Technology Security Officer

APAR TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 70,000 - 90,000; Full time

Job summary

A leading technology firm in Singapore is looking for an IT Security and Cloud Administrator responsible for IT security risk management and system administration on cloud infrastructure. The suitable candidate will need at least 3 years' experience in IT security, coupled with relevant certifications. This role presents the opportunity to enhance security protocols and ensure compliance with industry standards in a supportive and dynamic environment.

Qualifications

• Minimum 3 years of experience in IT security.
• Professional certification (CISSP, CISA, or equivalent) required.
• Knowledge of ISO/IEC, NIST, CIS standards.

Responsibilities

• Conduct IT security risk assessments with the Authority.
• Administer AWS services and manage cloud infrastructure.
• Coordinate security audits and incident handling.

Skills

IT security governance

Risk assessment

Incident management

Vulnerability assessments

Penetration testing

AWS cloud services

Scripting

Education

CISSP certification

CISA certification

Equivalent professional certification

Job description

Key Responsibilities:

IT Security & Risk Management

• Conduct IT security risk assessments in collaboration with the Authority to identify threats, assess risk levels, and propose mitigation strategies.
• Prepare and deliver IT security risk assessment reports as input to the security design and architecture of delivered systems.
• Coordinate security incident handling, investigation, and reporting.
• Lead and coordinate security audits, vulnerability assessments, and penetration tests.
• Consolidate testing results and ensure timely remediation of findings.
• Maintain and update security documentation, including policies, standards, and procedures.
• Ensure overall IT security compliance with requirements specified by the Authority.

System Administration & Cloud Infrastructure

• Install, configure, and maintain Linux (RHEL, CentOS, Ubuntu) and Windows Server environments.
• Perform routine system monitoring, OS patching, and upgrade management.
• Manage services including Active Directory, Group Policy, DNS, DHCP, and other Windows roles.
• Troubleshoot OS-level issues and optimize system performance and capacity.

Cloud Administration (AWS)

• Administer AWS services including EC2, S3, IAM, Lambda, CloudWatch, VPC, and Route 53.
• Provision and maintain secure and cost-optimized AWS infrastructure.
• Automate infrastructure tasks using AWS CLI, Lambda, and scripting (Shell, Python, Node.js).
• Monitor workloads using CloudWatch and integrate alerts with monitoring systems.

Required Qualifications:

• Minimum 3 years of experience in IT security, specifically in enterprise systems, network, or cloud infrastructure.
• Professional certification such as CISSP, CISA, or equivalent is required.
• In-depth knowledge of:
  • IT security governance, risk assessment, and incident management.
  • Vulnerability assessments and penetration testing.
  • Security standards and best practices (ISO/IEC, NIST, CIS, etc.).
  • Technical system security and architecture.

Technical Skills:

• Proficient in both Linux and Windows server administration.
• Strong knowledge of AWS cloud services and cloud security best practices.
• Scripting expertise in Shell, Python, or Node.js.
• Familiar with automated deployment and monitoring tools.
• Hands-on experience in implementing secure system configurations.

EA Number: 11C4879