Cyber Security Engineer

Barcelona, Barcelona, Spain
Full Time
Experienced

Smadex is a leading advertising technology company founded in Barcelona in 2010 and sold to American-based and stock-listed Entravision in 2018 (NYSE::EVC). We power campaigns for Apps, Games and Brands across Mobile and CTV using advanced machine learning and optimized creative strategies to deliver results. Smadex is one of the fastest growing DSPs globally and we are adding talent to fuel our ambitious plans.

We are looking for a hands-on Cyber Security Engineer to join our team and safeguard the integrity of our high-traffic programmatic infrastructure. In this role, you will be the guardian of our digital ecosystem, bridging the gap between cutting-edge security engineering and agile DevOps practices.

The Role

  • Architect and deploy scalable security controls, including firewalls, IDS/IPS, and endpoint protection, to safeguard our high-traffic programmatic infrastructure.
  • Design and maintain automated threat detection rules and response mechanisms to stay ahead of evolving cyber threats.
  • Conduct continuous vulnerability assessments and penetration testing to identify and remediate risks within our cloud-native and Linux environments.
  • Partner with engineering and DevOps teams to integrate secure system design and threat modeling into the product lifecycle.
  • Lead incident response efforts and forensic investigations to mitigate the impact of security breaches and prevent future occurrences.
  • Develop and maintain comprehensive security documentation, including policies, standards, and incident handling procedures.
  • Drive a "security-first" culture by creating awareness training and providing technical guidance to cross-functional teams.
  • Ensure data privacy is a core component of our product architecture and data processing workflows.

Requirements

  • Experience: 4–5+ years of professional experience in Cybersecurity / Security Engineering 
  • Cloud & Systems: Proven expertise in securing cloud environments (AWS/GCP), Linux deployments, and containerized workloads.
  • Technical Tools: Hands-on proficiency with SIEM platforms, vulnerability scanners (e.g., Nessus, Qualys), and network security protocols.
  • Scripting: Strong ability to automate security workflows using Python, Bash, or similar languages.
  • Education: BA/BS degree in Computer Science, Information Security, or a related technical field.

Bonus points:

  • Advanced Principles: Deep understanding of threat modeling, cryptography, and secure SDLC/DevSecOps practices.
  • Compliance Knowledge: Familiarity with industry standards and regulations such as ISO 27001, NIST, GDPR, SOC2 or CCPA.
  • A pragmatic, problem-solving mindset-finding the right balance between velocity and security.

Please note that we do NOT provide VISA sponsorship. Candidates without a legal permit to work in Spain won't be considered.

What is in it for you:

  • Integrate a highly motivated, young and dynamic team
  • Great compensation package
  • Top location at the heart of Barcelona with a rooftop terrace, Barbecue, and a fully stocked fridge
  • Great work-life balance: work from home (2 days per week), flexible hours
  • Meal vouchers - Ticket Restaurant monthly allowance
  • Monthly gym allowance: Choose between DiR and Wellhub
  • LinkedIn Learning and training opportunities
  • Monthly TGIF events
  • Regular team-building events
  • Fun and friendly work environment with talented marketers and engineers from over 40 countries
  • And more!

If you want to know more about us visit our website Smadex.com, and for a sneak peek of the cool stuff we build check this video out!

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