Offensive Security Penetration Tester (Consultant)

ITSEC SERVICES ASIA PTE. LTD.; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

ITSEC Asia is seeking a Cybersecurity Consultant (Offensive Security) to join our growing team in Singapore. We are looking for candidates with around 3 years of hands-on penetration-testing experience, while strong junior pentesters are welcome if they demonstrate solid foundations and a passion for ethical hacking.

This role provides exposure to diverse security assessments across enterprise, cloud, OT and critical environments, with a focus on AI, automation, and emerging technologies to

Qualifications

• Diploma or degree in cybersecurity or related field.
• Ideally around 3 years of hands-on penetration-testing experience.
• CREST CRT, OSCP or comparable offensive-security certificate preferred.

Responsibilities

• Conduct penetration testing across web apps, APIs, networks, mobile apps and cloud.
• Support security assessments involving OT, IoT and other environments.
• Identify, validate and demonstrate vulnerabilities with testing methodologies.
• Document findings and produce professional remediation recommendations.
• Present technical findings to clients and explain risks clearly.
• Explore AI-assisted testing and automation to improve workflows.

Skills

Penetration testing

Offensive security

Communication skills

Report writing

Learning mindset

Education

Diploma or degree in Cybersecurity/Information Security/CS/Engineering

Tools

CREST CRT

OSCP

Job description

ITSEC Asia is seeking a Cybersecurity Consultant (Offensive Security) to join our growing team in Singapore. We are looking for candidates with around 3 years of hands-on penetration-testing experience, while strong junior pentesters are welcome if they demonstrate solid foundations and a passion for ethical hacking.

This role provides exposure to diverse security assessments across enterprise, cloud, OT and critical environments, with a focus on AI, automation, and emerging technologies to