Infrastructure Security Engineer | OSCP + Pen Testing & Cloud

Assurity Trusted Solutions Pte Ltd; Singapore; Remote; SGD 90,000 - 130,000; Full time

Benefits offered by this job

Leave benefits

Wellness programmes

Flexible work arrangements

Job summary

Assurity Trusted Solutions Pte Ltd is seeking an Infrastructure Cybersecurity Engineer to act as the SME for security guidance across enterprise IT infrastructure, including on-premises, network, and cloud environments.

You will apply offensive security principles, conduct penetration testing, and drive remediation efforts to strengthen defenses and protect sensitive data. Flexible work arrangements are available depending on role.

Qualifications

• Minimum 2 years in a security engineering role focused on infrastructure/network/security.
• OSCP certification required.
• Hands-on experience in network/infrastructure pentesting and reporting.
• CISSP/CEH/CISM/CCSP certifications are an advantage.
• Proficient with security tools such as Metasploit, Nmap, Burp Suite and SIEM.

Responsibilities

• Act as cybersecurity SME within the Infrastructure division, advising on security decisions and operations.
• Design and implement secure architecture with network segmentation and access controls.
• Coordinate penetration testing and vulnerability assessments across network and infrastructure environments.
• Identify, assess and remediate vulnerabilities across servers, network devices and cloud services.
• Implement and manage security monitoring tools including IDS/IPS and SIEM.
• Manage user access and enforce least privilege within IAM framework.
• Ensure compliance with ISO 27001, NIST, CIS benchmarks and other standards.
• Participate in incident response for infrastructure security incidents.
• Secure cloud environments across AWS, Azure, or GCP and ensure data protection.
• Promote security awareness and best practices across IT teams.

Skills

Penetration testing

Security architecture

Cloud security

Incident response

Communication

Education

OSCP certification

CISSP/CEH/CISM/CCSP (advantage)

Tools

Metasploit

Nmap

Burp Suite

SIEM

Vulnerability scanners

Firewalls

Job description

Assurity Trusted Solutions Pte Ltd is seeking an Infrastructure Cybersecurity Engineer to act as the SME for security guidance across enterprise IT infrastructure, including on-premises, network, and cloud environments.

You will apply offensive security principles, conduct penetration testing, and drive remediation efforts to strengthen defenses and protect sensitive data. Flexible work arrangements are available depending on role.