Penetration Tester

2 weeks ago

England, United Kingdom Vallum Associates Full time
We are seeking an experienced Ethical Hacker to identify and help mitigate security vulnerabilities in our IT systems, networks, and applications. In this role, you will use penetration testing techniques to uncover vulnerabilities, simulate real-world cyberattacks, and work closely with our security and development teams to enhance our security posture. This role requires deep technical skills, a proactive mindset, and the ability to think creatively like an attacker to identify and help resolve security risks.
Key Responsibilities
Penetration Testing and Vulnerability Assessment
Conduct thorough penetration tests on networks, applications, APIs, and infrastructure.
Use manual and automated tools to identify vulnerabilities, misconfigurations, and weaknesses across our digital assets.
Simulate various cyberattack scenarios, including network attacks, application-based attacks, and social engineering exploits.
Develop proof-of-concept attacks to demonstrate the potential impact of vulnerabilities.
Threat Analysis and Risk Assessment
Assess and analyze potential threats to identify the impact and likelihood of exploitation.
Identify risks based on vulnerability assessment findings and recommend mitigation strategies.
Prioritize vulnerabilities based on risk, business impact, and ease of exploitation.
Reporting and Documentation
Prepare detailed, comprehensive reports documenting testing methodologies, vulnerability findings, and remediation recommendations.
Present findings to technical and non-technical stakeholders, clearly explaining the risks and possible impacts.
Develop dashboards and metrics to track the status of remediation efforts and monitor vulnerability management progress.
Collaboration and Security Advisory
Work closely with development, operations, and infrastructure teams to validate, prioritize, and remediate identified vulnerabilities.
Provide technical guidance on secure coding practices, system hardening, and secure network configurations.
Offer insights and recommendations on security improvements for both existing systems and new projects.
Continuous Improvement and Training
Keep up to date with the latest cybersecurity threats, vulnerabilities, tools, and techniques.
Conduct internal training and knowledge-sharing sessions on cybersecurity best practices and emerging attack vectors.
Contribute to the development of the organization's security policies and practices based on test findings and industry trends.

Required Qualifications
Education : Bachelor’s degree in Computer Science, Cybersecurity, Information Technology, or a related field. Relevant experience may be considered in place of a degree.
Experience :
Minimum of (3-5) years of experience in ethical hacking, penetration testing, or a related cybersecurity field.
Hands-on experience with penetration testing tools and frameworks (e.g., Metasploit, Burp Suite, Nmap, Wireshark, Nessus).
Experience in testing cloud environments (AWS, Azure, GCP) is a plus.
Familiarity with mobile and web application security testing.
Certifications (preferred): CEH, OSCP, OSWE, GPEN, CISSP, or other relevant security certifications.

Key Skills
Technical Skills :
Strong knowledge of cybersecurity frameworks and standards (e.g., OWASP Top 10, MITRE ATT&CK, NIST).
Proficiency in various testing methodologies, including network penetration testing, application security testing, and social engineering.
Experience in secure coding principles and practices across multiple programming languages (e.g., Python, Java, C++).
Familiarity with scripting languages and the ability to automate tasks using Python, PowerShell, Bash, etc.

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