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Senior Cybersecurity Offensive Security Engineer

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Onsite

Senior Cybersecurity Offensive Security Engineer

Com7 Public Company Limited

Senior Cybersecurity Offensive Security Engineer

Skills

NodePHPPythonDevOpsBurp SuiteZAPCybersecurityLinux

2 months ago

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Important information


Contract type:

Permanent

Location:

Bangkok, Thailand

Work mode:

Onsite

Published on:

13 August 2026

What they need


Key Responsibilities

  • Penetration Testing & VA: Conduct Penetration Testing & Vulnerability Assessments across Applications, APIs, Mobile, Networks, and Infrastructure.
  • Web Security: Perform Web Application Security Testing in accordance with the OWASP Methodology.
  • Red & Purple Teaming: Conduct Red Team / Purple Team exercises and simulate real-world cyberattacks to evaluate the readiness of defense systems.
  • Risk & Remediation: Analyze vulnerabilities, assess security risks, and provide remediation guidelines.
  • Threat Modeling & Review: Perform Threat Modeling, Security Assessments, and Architecture/Security Reviews.
  • Secure Coding: Support Application Security initiatives, promote Secure Coding practices, and conduct Code Reviews.
  • DevSecOps: Integrate security testing tools and processes into CI/CD pipelines and DevSecOps workflows.
  • Security Automation: Develop custom scripts and tools to automate security testing processes.
  • Reporting & Stakeholders: Prepare comprehensive technical reports and present findings to both technical teams and business stakeholders.
  • Cross-Team Collaboration: Partner with the Blue Team, Infrastructure, and Development teams to improve and harden overall security controls.
  • Incident Response & Intel: Support Incident Response efforts and continuously track emerging cyber threats and advanced attack techniques.

Qualifications

  • Education: Bachelor's Degree or higher in Computer Science, Computer Engineering, IT, Cybersecurity, or a related field.
  • Experience: 3–5+ years of experience in Penetration Testing, Offensive Security, Application Security, or Vulnerability Assessment.
  • Technical Knowledge: Strong understanding of Network Security, Web/Mobile/API Security, and Ethical Hacking concepts.
  • Security Tools: Proven experience using tools such as Burp Suite, Nmap, Nessus, Metasploit, OWASP ZAP, and Kali Linux.
  • Scripting/Programming: Ability to write scripts or program in languages such as Python, PHP, or Node.js.
  • Analytical Mindset: Strong analytical skills with the ability to think from an attacker’s perspective.
  • Communication: Excellent communication and presentation skills, with the ability to explain technical findings to both technical and non-technical stakeholders.
  • Interpersonal Skills: Ability to work effectively in a team environment and handle pressure well.
  • Language Proficiency: Good command of spoken and written English.

Certifications Required

  • OSCP
  • GPEN
  • CompTIA PenTest+
  • BSCP

Preferred Experience

Special consideration will be given to candidates with experience in:

  • Red Team / Purple Team operations
  • Web / Mobile / API Penetration Testing
  • Cloud Security
  • DevSecOps / CI/CD Security
  • Source Code Review
  • Threat Modeling
  • Vulnerability Management
  • Security Automation

Ideal Candidate Profile

The ideal candidate must be capable of managing the entire security assessment lifecycle end-to-end: Identify Vulnerability → Exploit & Validate → Assess Risk → Recommend Remediation → Retest → Improve Security Controls. They will serve as the core Offensive Security / Penetration Testing specialist, driving security excellence across both the Cybersecurity and Technology teams within the organization.


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