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Security Engineer – Offensive Security (1–3 YOE)

IO Tech Solutions Limited
Hong Kong, Hong Kong SAR, Hong Kong
On-site

About this role

Hong Kong, Hong Kong SAR, Hong Kong

Security Engineer – Offensive Security (1–3 YOE)

Job Description:

Company Overview

We are supporting an opportunity with a leading Asia-based financial services organization with a strong presence across global markets. The company operates in a high-performance, regulated environment supporting critical trading and enterprise platforms.

Role Summary

We are seeking a Security Engineer with 1–3 years of experience in offensive security, red teaming, or penetration testing. The role focuses on identifying vulnerabilities, simulating real-world attacks, and strengthening security controls across applications, infrastructure, and networks.

Key Responsibilities

  • Conduct penetration testing across web applications, APIs, networks, and internal systems

  • Perform vulnerability assessments and provide clear remediation recommendations

  • Support red team engagements and simulated attack scenarios

  • Identify security weaknesses across cloud and on-prem environments

  • Collaborate with engineering and infrastructure teams to improve security posture

  • Document findings, risk ratings, and mitigation steps

  • Assist in incident response and security investigations when required

  • Stay updated with emerging attack techniques, tools, and threat intelligence

Requirements

  • 1–3 years of experience in offensive security, penetration testing, or red team operations

  • Strong understanding of OWASP Top 10 and common exploitation techniques

  • Hands-on experience with tools such as Burp Suite, Nmap, Metasploit, Wireshark, etc.

  • Good understanding of Linux systems and scripting (Python, Bash, or similar)

  • Knowledge of networking fundamentals and system architecture

  • Exposure to cloud platforms (AWS, Azure, or GCP) is a plus

  • Relevant certifications (CEH, OSCP, eJPT) are an advantage but not mandatory

  • Strong analytical, problem-solving, and communication skills

Required Skills

  • Security

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