BME belongs to SIX, the third largest exchange group in Europe. We drive the transformation of the financial markets. That’s why we invest in bright minds, in their ideas, knowledge and development. We do that by combining our best sides.


If you would like to find out why stability makes us so agile, why experience makes us so curious, and why empathy makes us so impactful, apply now.



 Senior Offensive Cybersecurity Expert

Madrid | working from home up to 60% | Reference 5902



Attention all Offensive Cybersecurity Experts! Are you ready to take your skills to the next level? Join our team of security superheroes based in Madrid! As a Senior Offensive Cybersecurity Expert, you'll be part of an international, dynamic and highly skilled team where teamwork, fun, and learning are just as important as the work itself. Get ready to push the boundaries of what's possible in cybersecurity and face new and exciting challenges every day.


What You Will Do

  • penetrate, explore, and conquer - conduct penetration testing and red team assessments to identify and exploit vulnerabilities in internal systems with surgical precision

  • bug bounty hero - support the bug bounty program and collaborate with the team to neutralize any threats before they become a problem
  • master of automation - develop custom tools and scripts in Python to streamline and speed up security testing processes, freeing up more time for the fun stuff
  • lead the charge - participate in technical discussions, provide thought leadership on security best practices, and mentor your peers

What You Bring

  • a team player – above all, you have excellent communication and collaboration skills. You thrive in a team environment and enjoy having fun while you work
  • an arsenal of offensive cybersecurity skills - you have extensive experience conducting penetration tests and red team assessments, and you always hit your targets
  • Python proficiency - you have a strong programming background, and python is your language of choice for automation
  • a never-ending thirst for knowledge - you stay current with the latest security trends and are always eager to take on new challenges
  • good command of written and spoken English – you feel comfortable working in an international environment and interacting with colleagues from other locations abroad

If you have any questions, please call Sara Perez de la Cuesta at +34 91 709 56 80.


For this vacancy we only accept direct applications in English.


Diversity is important to us. Therefore, we are looking to receiving applications regardless of any personal background. 

What We Offer

Flexible Work Models
We trust our employees and offer a work environment that is well-balanced, productive and fosters success. 

Personal Development
You will benefit from a culture of continuous learning and feedback. Your personal growth is supported through an extensive learning offering.

Agile Working Methods 
Whether through scrum or design thinking,
we solve exciting tasks together in teams.