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Johannesburg: Penetration Tester (Cyber Security) posted by Deka Minas (Pty) Ltd

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Job Description

About the Role

We are seeking a highly skilled and motivated Penetration Tester to join our cybersecurity team. The ideal candidate will be responsible for conducting comprehensive penetration tests, identifying vulnerabilities, and providing actionable recommendations to enhance security posture. This role requires expertise in web application security, network infrastructure assessments, and industry best practices such as the OWASP Top 10.

Key Responsibilities

  • Conduct in-depth penetration testing and vulnerability assessments on web applications, networks, and other IT systems.
  • Perform both manual and automated testing across various environments, including internal/external networks, web applications, mobile platforms, and cloud infrastructures.
  • Develop custom scripts and tools to automate penetration testing processes and enhance security testing methodologies.
  • Identify security weaknesses and provide detailed reports with mitigation strategies to improve overall security posture.
  • Provide expert guidance to clients on vulnerability remediation and best security practices.
  • Stay up-to-date with the latest security threats, industry trends, and cybersecurity frameworks.
  • Collaborate with team members to improve internal security processes, methodologies, and documentation.
  • Participate in red team exercises, security research, and ethical hacking initiatives to strengthen organizational security defenses.

Requirements

  • Minimum 1 year of experience in Web Application and API Penetration Testing.
  • Familiarity with infrastructure security testing.
  • Certifications such as OSCP, OSEP, CCSP, CRTE, CRTP, or CRTO (or equivalent) are an advantage.
  • Strong knowledge of OWASP Top 10 vulnerabilities and how to exploit/mitigate them.
  • Experience in Android and iOS application penetration testing.
  • Ability to develop and use custom scripts and security tools.
  • Highly self-driven, motivated, and independent, while also being a collaborative team player.
  • Strong analytical and problem-solving skills with attention to detail.
  • Excellent English communication skills, both verbal and written.
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Qualifications

No formal education or certifications are required for this role.

How to Apply

Click the green “Go Apply” button below to apply directly online with the employer.

About Security Jobs in Gauteng

The security industry in Gauteng is a thriving sector, with a high demand for professionals who can protect and maintain the safety of individuals, businesses, and infrastructure. Typically, this involves a range of roles, from security management to physical protection services. Often, these positions require strong communication skills, the ability to work under pressure, and a commitment to upholding industry standards.

In terms of salary, it is common for security professionals in Gauteng to expect broad ranges, typically between R400 000 to R800 000 per annum, depending on factors such as experience, company size, and industry sector. However, these figures are only a general guideline, and actual salaries can vary significantly depending on the specific role and employer. For example, more senior positions or those in smaller companies may command higher salaries, while entry-level roles in larger organisations may be lower.

Common skills required for security professionals in Gauteng include physical fitness, problem-solving abilities, effective communication, leadership skills, technical knowledge of security systems, and a strong understanding of local laws and regulations. Additionally, many employers place a high value on candidates with relevant certifications or qualifications, such as those offered by the South African Security Industry Authority (SASISA) or equivalent.

The financial services sector, technology industry, and manufacturing sector are among the most common industries that employ security professionals in Gauteng. These sectors often require robust security measures to protect sensitive data, equipment, and personnel. Other sectors, such as healthcare and education, also employ security staff to ensure the safety of patients, students, and staff.

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Career development opportunities for security professionals in Gauteng are varied and diverse. Many employers invest in training and development programs to equip employees with new skills and knowledge, while others provide mentorship and coaching to help individuals progress within their roles. Typically, this involves taking on additional responsibilities, pursuing further education or certifications, or moving into more senior positions.


This information provides general career guidance. Actual salaries and requirements vary by employer.



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