Senior Penetration Tester (Cybersecurity)

TL;DR

Senior Penetration Tester (Cybersecurity): Conducting end-to-end penetration tests on applications, infrastructure, and cloud environments with an accent on identifying vulnerabilities and improving security posture. Focus on automating testing tasks, developing custom exploits, and collaborating with application teams to provide actionable remediation guidance.

Location: London, United Kingdom

Company

hirify.global is a leading global financial markets infrastructure and data provider driving financial stability and sustainable growth.

What you will do

• Conduct in-depth penetration tests on applications, infrastructure, and cloud environments.
• Manage assigned penetration testing engagements end-to-end with limited oversight.
• Compile technical scoping documents and track assessment metadata.
• Document findings clearly and provide actionable remediation guidance.
• Collaborate with application teams to scope and perform security assessments.
• Develop and maintain custom tools, scripts, and exploits to support testing activities.

Requirements

• Proven hands-on experience in penetration testing of Web Applications, APIs, Thick Client, and common infrastructures.
• Proficiency with tools such as Burp Suite and ability to write custom scripts.
• Experience with cloud platforms (AWS, Azure, GCP) and containerized environments (Docker, Kubernetes).
• Solid understanding of application security, network protocols, and operating systems.
• Proven track record of managing security engagements in large, sophisticated enterprise environments.
• Proficient interpersonal skills in English, both written and verbal.

Nice to have

• Relevant industry certifications.
• Experience with Threat Modelling.
• Active engagement with the security community.

Culture & Benefits

• Collaborative and creative culture that values innovation and continuous improvement.
• Commitment to sustainability and community support through the hirify.global Foundation.
• Comprehensive benefits including healthcare, retirement planning, and wellbeing initiatives.
• Opportunities for volunteering and fundraising.