Associate Security Testing & Red Team Engineer

ENSIGN INFOSECURITY (CYBERSECURITY) PTE. LTD.; Singapore; On-site; SGD 52,000 - 82,000; Full time

Job summary

Ensign InfoSecurity (Cybersecurity) PTE. LTD. is seeking an Associate Consultant, Security Testing and Red Teaming to grow as an offensive security professional.

You will perform hands-on penetration testing across web apps, networks, cloud environments, and mobile platforms, under senior guidance. This early-career role offers structured mentorship, real client exposure, and a clear progression pathway toward senior penetration testing and red teaming, with opportunities to contribute to

Qualifications

• OSCP certification is required.
• Strong understanding of penetration testing methodologies and ethical hacking principles.
• Foundations in TCP/IP networking.
• Windows and Linux operating systems.
• Web architecture and vulnerabilities.
• Scripting or programming experience (Python, Bash, PowerShell).
• Familiarity with vulnerability classes (OWASP Top 10, misconfigurations, credential abuse).
• Active Directory security concepts.
• Cloud platforms or containerised environments will be useful.
• Hands-on experience with common pentesting tools (Burp Suite, Nmap, Metasploit, BloodHound).

Responsibilities

• Conduct penetration testing engagements under guidance, including web app testing, network and infrastructure testing, and cloud security testing.
• Identify, validate, and exploit vulnerabilities using standard tools and manual techniques.
• Document findings clearly with evidence and remediation recommendations.
• Assist in preparing high-quality technical reports and executive summaries.
• Participate in engagement activities such as scoping calls, kick-off meetings, and post-engagement briefings.
• Collaborate with team members during testing, including peer reviews and walkthroughs.
• Maintain detailed testing notes, logs, and artifacts for QA and reporting.
• Continuously develop skills across testing methods, tooling, and security fundamentals.
• Stay current with emerging vulnerabilities and attack techniques.
• Over time, contribute to adversary simulations, red teaming, automation, and security research.

Skills

Penetration testing

Ethical hacking

TCP/IP networking

Windows/Linux

Cloud security

Red teaming

Scripting (Python)

Documentation

OWASP Top 10

Education

OSCP certification

Tools

Burp Suite

Nmap

Metasploit

BloodHound

Job description

Ensign InfoSecurity (Cybersecurity) PTE. LTD. is seeking an Associate Consultant, Security Testing and Red Teaming to grow as an offensive security professional.

You will perform hands-on penetration testing across web apps, networks, cloud environments, and mobile platforms, under senior guidance. This early-career role offers structured mentorship, real client exposure, and a clear progression pathway toward senior penetration testing and red teaming, with opportunities to contribute to