Expert Cyber Security

Expert Cyber Security

Ciklum

Remote, Poland

About the role:

As an Expert Cyber Security, become a part of a cross-functional development team engineering experiences of tomorrow. This role blends proactive design with hands-on security validation in web application development. You will focus on long-term security improvements by identifying and mitigating risks before they materialize.

Responsibilities:

• Architect & Threat Model: Lead security design reviews and conduct in-depth threat modeling for new products and critical infrastructure;
• Research & Build: Investigate emerging threats and novel attack vectors, then use your findings to design and build defense strategies to mitigate them;
• Assess & Penetrate: Perform hands-on penetration testing and security assessments against our most complex systems to discover and validate vulnerabilities.

Requirements:

• 7+ years of hands-on long-term projects with a strong background in both offensive and defensive security;
• Significant, proven experience in penetration testing (web applications preferred) and a deep understanding of an attacker's mindset;
• Strong programming and scripting skills (Python preferred) with experience building security tools, automation, or prototypes;
• Deep technical knowledge in at least one core security domain, such as cryptography, authorization/authentication, secure architecture, network security;
• Very good communication skills (English).

Desirable:

• Experience securing modern technologies like serverless architectures or AI/ML platforms;
• Experience with secure architectures for cloud-native environments (AWS, GCP, Kubernetes);
• Relevant industry certifications (e.g., OSCP, OSCE, CISSP).