Penetration Tester Jobs
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Cognisys-Johannesburg
Cognisys is seeking a passionate Penetration Tester to join our cybersecurity team. You will perform penetration testing across networks, web apps, APIs, mobile apps and cloud environments, using automated tools and manual techniques to identify...
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Cognisys Group-Queenstown
Cognisys is seeking a passionate Penetration Tester to join our cybersecurity team in a remote South Africa role. You will perform comprehensive security assessments across networks, web applications, APIs, mobile apps and cloud environments, using...
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Telebest-Johannesburg
to increase security awareness among AI teams.
Oversee deployment and optimisation of security monitoring tools for continuous AI ecosystem surveillance.
Manage penetration testing, threat & vulnerability assessments, and drive resilience programs.
Report...
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Cognisys Group-Vereeniging (EC)
Cognisys is seeking a passionate Penetration Tester to join our cybersecurity team in a remote South Africa role. You will perform comprehensive security assessments across networks, web applications, APIs, mobile apps and cloud environments, using...
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Hire Resolve-Randburg
assessments and threat modeling to identify vulnerabilities and recommend mitigation strategies.
Oversee continuous vulnerability scanning, penetration testing, and remediation efforts.
Ensure the organization's security practices meet or exceed regulatory...
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Cognisys Group-Pretoria (EC)
Cognisys is seeking a passionate Penetration Tester to join our cybersecurity team in a remote South Africa role. You will perform comprehensive security assessments across networks, web applications, APIs, mobile apps and cloud environments, using...
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Jordan HR-Midrand
and mentoring activities within the cybersecurity team to foster a culture of continuous learning and improvement.
Key Skills and Qualifications:
• Experience: Minimum of 5 years in penetration testing or ethical hacking.
• Certifications: Strongly preferred...
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Cognisys Group-Port Elizabeth
Cognisys is seeking a passionate Penetration Tester to join our cybersecurity team in a remote South Africa role. You will perform comprehensive security assessments across networks, web applications, APIs, mobile apps and cloud environments, using...
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Recru-it-Johannesburg
to penetration testing activities and remediation efforts
• Assist in developing organisational security best practices
Incident management and response:
• Support incident response activities including investigation, documentation, and reporting
• Analyse...
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Cognisys Group-East London
Cognisys is seeking a passionate Penetration Tester to join our cybersecurity team in a remote South Africa role. You will perform comprehensive security assessments across networks, web applications, APIs, mobile apps and cloud environments, using...
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Recru-it-Johannesburg
Collaborate with IT and business teams to reduce identified risks
• Contribute to penetration testing activities and remediation efforts
• Assist in developing organisational security best practices
Incident management and response:
• Support incident...
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The Legends Agency-Johannesburg
cybersecurity problems on a daily basis and help clients with their challenges. The role involves carrying out penetration testing and security assessments up to targeted attack simulations spanning several months. It exists to add value to client organizations...
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Jordan HR-Midrand
and mentoring activities within the cybersecurity team to foster a culture of continuous learning and improvement.
Key Skills and Qualifications:
• Experience: Minimum of 5 years in penetration testing or ethical hacking.
• Certifications: Strongly preferred...
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Mindrift-Paarl
Bash, or PowerShell.
Experienced with containerization and CI/CD security tools, especially Docker.
Hands‑on experience with penetration testing across web, API, network, and infrastructure environments.
Knowledge of vulnerabilities in current AI models...
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Mercor-Johannesburg
stakeholders.
Preferred
• Experience in Adversarial ML: jailbreak datasets, prompt injection, RLHF/DPO attacks, model extraction.
• Cybersecurity skills: penetration testing, exploit development, reverse engineering.
• Socio-technical risk expertise...
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