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92,000+ live jobsTech - Pentester (Hardware Hacking)
Hybrid in Spain·Added 1 month ago
218 open roles
Our summary
- Work mode
- Hybrid, Spain
- Spanish
- Native level
- English
- Required
- Experience
- 2+ years
- Education
- Vocational training (FP Grado Medio)





Visa options
The ad rules out sponsorship
The advert says visa sponsorship isn’t available for this role.
Skills
This job advert was originally written in Spanish.
Requirements
What we're looking for
AND FOR THIS, WE BELIEVE IT WOULD BE IDEAL IF YOU HAD...
- At least 2-3 years of experience performing equivalent roles.
- Intrusion / Ethical hacking: WiFi, Web, App, Mobile, OT/IoT environments, Active Directory.
- Vulnerability analysis and verification.
- Programming and scripting languages.
Nice to have
- Desirable, but not mandatory, knowledge of Hardware Hacking
To perform this role, the skills that would fit well with the team and the project are:
- Passionate about technology and offensive security.
- Creativity and a hacker mindset.
- Proactivity and ability to take on challenges.
- Ability to convey ideas technically.
Education & certifications
- University education, intermediate or advanced vocational training degree, or equivalent professional experience.
- Certifications to be valued: OSCP, CRTE, CRTM, CARTE
Languages
- Required: Native Spanish
- Valuable: English (minimum B2)
Pay & benefits
What you'll get
• Work-life balance measures and flexible working hours.
• Ongoing training and certifications.
• Hybrid remote work model.
• Attractive social benefits package.
• Excellent dynamic and multidisciplinary work environment.
• Volunteering programs.
#WeAreDiverse #WeFosterEquality
We believe that diverse and inclusive teams are more innovative, transformative, and achieve better results.
That is why we promote and guarantee the inclusion of all people regardless of gender, age, sexual orientation and identity, culture, disability, or any other condition
We want to meet you! 😊
The role
The Offensive Security team at Telefónica Tech aims to provide organizations with an accurate and real security posture through a series of security tests, including intrusion tests and security assessments, which allow us to offer our clients the discovery of critical vulnerabilities in their environment and help prioritize and address risks based on their exploitability and impact.
What you'll do
In your day-to-day, you will regularly face tasks of the following type:
- Intrusion testing on networks and IoT and OT infrastructures.
- Active Directory attacks.
- Vulnerability analysis on web applications.
- Review of system hardening.
- WiFi network audits.
- Tool development.
- Vulnerability discovery.
- Writing technical reports in English and Spanish.
- Technical and executive presentations.
About Telefónica
Telefónica is one of the world's largest telecommunications companies, providing fixed and mobile connectivity, digital services, and technology solutions to consumers and businesses across Europe and Latin America. With over 100,000 employees and a strong presence in Spain, the UK, Germany, and Brazil, the company operates through brands such as Movistar, O2, and Vivo, and has expanded into areas like cybersecurity, cloud, IoT, and AI through its innovation units.
In Spain, Telefónica is headquartered in Madrid and is a major employer of tech talent, with a strong focus on cybersecurity, data, and AI. The company actively hires international professionals, offering roles in English and fostering a diverse, innovative culture. Its Spanish operations are central to its global strategy, making it a relevant option for internationals seeking to work in a large, established tech and telecom player in Spain.
- Industry
- Telecom
- Founded
- 1924
- Employees
- 100,000+
- Headquarters
- Madrid, Spain
- In Spain
- Madrid, Barcelona
Good to know if you are moving
- Telefónica's Spanish offices are largely based in Madrid and Barcelona, with a significant tech hub in the Distrito Telefónica complex in Madrid.
- The company frequently hires international tech talent and many roles are offered in English, making it accessible for non-Spanish speakers.
- Telefónica has a strong commitment to innovation, with dedicated units like gAIt and Wayra focusing on AI and startups.
- The company offers a comprehensive relocation package and support for international hires, including visa assistance.
- With a global presence and a large Spanish operation, Telefónica provides opportunities for internal mobility across countries and roles.
In their own words
About the company & team
Telefónica Tech is the leading digital transformation company of the Telefónica Group. We offer a wide range of integrated technological services and solutions in Cybersecurity, Cloud, IoT, Big Data, Artificial Intelligence, and Blockchain, with which we support our clients in their digital transformation.
We are a group of over 6,200 brave people who work every day from different points around the world to achieve excellence, through leadership based on transparency and team spirit. If you identify with our pillars, we can't wait to meet you!
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