Associate Engineer, Security Testing and Red Teaming

Ensign InfoSecurity; Singapore; Hybrid; SGD 70,000 - 110,000; Full time

Job summary

Ensign InfoSecurity in Singapore is seeking an Associate Consultant for Security Testing and Red Teaming. You will conduct web, network, cloud, mobile, IoT, and OT penetration testing under guidance, document findings, and contribute to high-quality reports.

You will develop hands-on skills, stay current with emerging vulnerabilities and offensive security tooling, and participate in engagements from scoping to post-engagement briefings with opportunities to grow into advanced red team work.

Qualifications

• OSCP certification is required.
• Strong understanding of penetration testing methodologies and ethical hacking principles.
• Exposure to TCP/IP networking, Windows and Linux operating systems, and web app vulnerabilities.
• Familiarity with vulnerability classes (e.g. OWASP Top 10) and reporting requirements.
• Experience with common pentest tools such as Burp Suite, Nmap, Metasploit, BloodHound.

Responsibilities

• Conduct penetration testing engagements across web, network, cloud, mobile, IoT, and OT.
• Execute testing activities per scope and methodology, document findings with evidence and remediation details.
• Assist in preparing technical reports and executive summaries.
• Collaborate with team during testing, including peer reviews and walkthroughs.
• Maintain detailed testing notes and artifacts for QA and reporting.

Skills

OSCP

Penetration testing

Networking (TCP/IP)

Windows/Linux

Cloud security concepts

Scripting (Python/Bash/PowerShell)

Documentation & reporting

Offensive security mindset

Tools

Burp Suite

Nmap

Metasploit

BloodHound

Job description

## Associate Engineer, Security Testing and Red TeamingApply: Singapore: Full time: Posted Today: JOBREQ-0003617Ensign is hiring !**Associate Consultant, Security Testing and Red Teaming****Roles and Responsibilities*** Conduct penetration testing engagements under the guidance of senior consultants, including: + Web application penetration testing + Network and infrastructure penetration testing (internal and external) + Cloud security testing (e.g. AWS, Azure, GCP) + Mobile application penetration testing + IOT penetration testing + OT penetration testing* Execute assigned testing activities responsibly and professionally, following defined scopes, rules of engagement, and methodologies.* Identify, validate, and exploit security vulnerabilities using industry-standard tools and manual techniques.* Document findings clearly and accurately, including technical details, evidence, and remediation recommendations.* Assist in preparing high-quality technical reports and contribute to executive-level summaries.* Participate in engagement activities such as kick-off calls, scoping discussions, and post-engagement briefings where appropriate.* Collaborate with team members during testing, including peer reviews and technical walkthroughs.* Maintain detailed testing notes, logs, and artifacts to support quality assurance and reporting.* Continuously develop technical skills across penetration testing, exploitation techniques, and security fundamentals.* Stay current with emerging vulnerabilities, attack techniques, and offensive security tooling.* Over time, support or participate in broader offensive security activities, such as: + Adversary simulation and red teaming exercises + Automation or tooling development + Security research and proof-of-concept development**Requirements*** Offensive Security Certified Professional (OSCP) certification is required.* Strong understanding of penetration testing methodologies and ethical hacking principles.* Solid foundations in: + TCP/IP networking + Operating systems (Windows and Linux) + Web application architecture and common vulnerabilities* Exposure to scripting or programming (e.g. Python, Bash, PowerShell).* Familiarity with common vulnerability classes (e.g. OWASP Top 10, misconfigurations, credential abuse).* Basic understanding of Active Directory security concepts.* Exposure to cloud platforms or containerised environments will be useful.* Hands-on experience using common penetration testing tools (e.g. Burp Suite, Nmap, Metasploit, BloodHound).* Ability to write clear, structured, and technically accurate documentation and reports.* Strong desire to grow into advanced offensive security and red teaming roles.* Strong analytical mindset and problem-solving skills.* Professional conduct, integrity, and respect for confidentiality.### About Us**About Ensign InfoSecurity**Ensign InfoSecurity is the largest pure-play cybersecurity service provider in Asia. The company is headquartered in Singapore. We specialise in the provision of these services; cybersecurity advisory and assurance, implementation and management of advanced cybersecurity controls, cybersecurity monitoring, threat hunting, and incident response. Underpinning these competencies is in-house research and development in cybersecurity.**What Makes Ensign Special?**We are a technology company with warmth and soul. We are ambitious, propelled by our vision to be the cyber defender of choice, and fueled by the dedication and camaraderie of individuals who are eager to make a difference, and leave their footprints in the industry.If you are a self-motivated curious go-getter, we want You! Join Us!