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Ensign InfoSecurity

Consultant, Security Testing and Red Teaming

🗓️ Posted 2026-09-10 Singapore Full-time Hybrid ICT

Company shared salary

NA

Market rate

S$4,500–S$8,000/mo (S$54,000–S$96,000/yr)

Based on similar roles (title + domain + location).

About the Company

Ensign is hiring Roles and Responsibilities Deliver end-to-end penetration testing engagements with minimal supervision, including: Web application penetration testing Internal and external network penetration testing Active Directory security assessments Cloud and hybrid environment testing Mobile application penetration testing IOT penetration testing OT penetration testing Perform manual vulnerability discovery, validation, and exploitation beyond automated scanning. Identify attack paths, chain vulnerabilities, and assess real-world business impact. Exercise sound judgement in exploitation depth, data handling, and risk management during testing. Maintain clear, detailed testing notes, evidence, and attack logs to support reporting and quality review. Produce high-quality technical findings with accurate severity assessment and actionable remediation guidance. Develop structured penetration testing reports, and support client walkthroughs and debriefs. Engage professionally with clients during kick-off sessions, testing clarification, and results discussions. Participate in peer reviews of testing approaches and reports to uphold delivery quality standards. Continuously develop technical depth across offensive security techniques, platforms, and tooling. Contribute to security testing playbooks, internal knowledge sharing and peer learning. Where appropriate, contribute to broader offensive security initiatives,

Requirements

  • ● Offensive Security Certified Professional (OSCP) is required.
  • ● CREST Certified Registered Penetration Tester (CRT) is preferred.
  • ● Advanced or specialist certifications such as:
  • ● OSWE, OSEP, OSED
  • ● Approximately 3 to 5 years of hands-on penetration testing experience in consulting, internal security, or equivalent practical environments.
  • ● Strong understanding of penetration testing methodologies, rules of engagement, and ethical hacking principles.
  • ● Solid technical foundations in:
  • ● TCP/IP networking and common protocols
  • ● Windows and Linux operating systems
  • ● Web application architecture and common vulnerability classes
  • ● Demonstrated experience testing:
  • ● Web applications, including authentication, authorization, and business logic flaws
  • ● Network and infrastructure environments
  • ● Active Directory domains
  • ● Mobile applications
  • ● Proficiency with common penetration testing tools (e.g. Burp Suite, Nmap, Metasploit, BloodHound).
  • ● Exposure to cloud security testing (AWS, Azure, GCP) and modern identity platforms.
  • ● Demonstrated interest in expanding beyond traditional penetration testing into broader offensive security and red teaming.
  • ● Ability to clearly communicate technical findings in written reports and verbal discussions. Strong professionalism, integrity, and attention to detail.