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Security Technologies Engineer PKI

Hybrid in Spain·Added 7 months ago

This job was published 7 months ago

Telefónica

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Our summary

Work mode: Hybrid, Spain
Spanish: Fluent
English: Required
Experience: 3+ years
Education: University degree

Visa options

The ad doesn’t mention sponsorship
No sponsorship mentioned, and this kind of work is rarely sponsored in Spain.

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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...

- Demonstrable experience of at least 3 years in Cybersecurity roles equivalent to the one specified
- Degree in Computer Science, Telecommunications, or equivalent qualification.
- Administration and deployment of PKI (Microsoft CA, EJBCA, Nexus, etc.)
- Signing and validation services (OCSP, CRL, TSA).
- Cryptographic protocols: TLS, S/MIME, IPSec, SSH.
- Cryptographic analysis capability and complex problem-solving skills.
- Ongoing awareness of cybersecurity advances and quantum computing.
- Symmetric and asymmetric cryptography, and hashing.
- ETSI EN 319 standards (signing and sealing).
- X.509 certificate management.
- NIST PQC process and candidate algorithms.
- Experience with PQC libraries (liboqs, PQClean).
- Integration of hybrid solutions combining classical and post-quantum approaches.
- HSMs and cryptographic security modules (FIPS 140-2/3, Common Criteria).

To perform this role, the skills that would fit well with the team and the project are:

- Good project manager
- Ability to solve complex problems
- Meticulous attention to fine-tuning configurations
- Strong communication skills for interacting with multiple technical teams

Languages

- Required: fluent Spanish and English.

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 #WePromoteEquality

We believe that diverse and inclusive teams are more innovative, transformative, and achieve better results.

Therefore, we promote and guarantee the inclusion of all people regardless of gender, age, sexual orientation or identity, culture, disability, or any other condition.

We want to meet you! 😊

The role

You will work in a department alongside security architects and consultants, where you will face a wide range of tasks, such as designing Certificate and PKI architectures, always focused on security and on designing solutions within our clients' IT infrastructure.

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!

www.telefonicatech.com

In the PKI unit within the Architecture and Technical Consulting area at Telefónica Tech, we help our clients define and improve their security infrastructures. We provide support for security architectures, as well as technical consulting and audits on the different IT security elements our clients may have.

All open roles at Telefónica