Location: Madrid Emilio Vargas, Spain

Thales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to bring trust to the billons of digital interactions they have with people. Our technologies and services help banks exchange funds, people cross borders, energy become smarter and much more. More than 30,000 organizations already rely on us to verify the identities of people and things, grant access to digital services, analyze vast quantities of information and encrypt data to make the connected world more secure.

Thales in Spain is a leader in technological solutions applied to Defence, Aeronautics, Security, Transportation and Space and, furthermore, is a global centre for excellence in Space, Security of Critical Infrastructures and Transportation. With a turnover of €320 million and a staff of 1,200, it exports approximately 40% of its total production principally to the Middle East, North Africa and Latin America.

At Thales S21sec, we are looking for a technical professional with at least 3 years of experience in Offensive Security to join our team, supporting both on-site projects in Madrid and global engagements within our Audit & Assurance practice.

We are seeking a proactive and curious cybersecurity specialist, eager to grow and make an impact in challenging and diverse environments.

Job Responsibilities:

• Deliver advanced Offensive Security services, including:

  • External and internal penetration testing

  • Web, mobile (iOS & Android), and API security assessments

  • WiFi pentesting

  • PCI security audits, among others

• Research and develop new pentesting methodologies

• Contribute to the evolution of existing frameworks and procedures

• Support the design and delivery of new cybersecurity services.

Job Requirements

• Solid knowledge of information security and technical auditing (pentesting)

• Hands-on experience with:

  • Infrastructure pentesting (internal & external)

  • Web, mobile, and API security testing

• +3 years of experience in similar roles

• Strong communication and presentation skill.

• Experience working directly with clients

• Degree in Information Technology or related field

• Relevant security certifications (CEH, OSCP, or similar)

• English level: B2 or higher

Ready to take your offensive security career to the next level?
👉 Join Thales S21sec and be part of a leading cybersecurity team!

At Thales we provide CAREERS and not only jobs. With Thales employing 80,000 employees in 68 countries our mobility policy enables thousands of employees each year to develop their careers at home and abroad, in their existing areas of expertise or by branching out into new fields. Together we believe that embracing flexibility is a smarter way of working. Great journeys start here, apply now!