(Cybersecurity) Principal Security Researcher

Principal Security Researcher

We are looking for an experienced Principal Security Researcher to join a global cybersecurity environment focused on advanced security research and offensive security. The role involves identifying and exploiting previously unknown vulnerabilities, researching new attack techniques, and developing tools and automation to enhance security assessments.

📍 Location: Kraków, hybrid model, 6 days per month from the office
💰 B2B rate: 180–200 PLN/h

Key areas:

• Vulnerability research, 0-day discovery and exploit development

• Penetration testing, reverse engineering and source code review

• Mobile, network, hardware and embedded systems security

• Security tooling, automation and prototyping

• Using AI/GenAI for security assessments and vulnerability discovery/validation

• Collaboration with cybersecurity, security architecture and other technical stakeholders

Requirements:

• Strong hands-on experience in security research and vulnerability exploitation

• Experience with penetration testing and software security assessment

• Knowledge of Linux, Windows, Android and iOS security

• Experience with software development and security automation

• Fluent English

Why apply for an Antal job offer?

When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process.

About Antal

Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research.

Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.