EADTrust offers a systems administrator job with development skills, aimed at people with an interest in security, cryptography and forensics. Knowledge of Linux system administration, including virtual machines, scripting, monitoring, security and networking is required. Familiarity with any of the following technologies will be appreciated: Apache, CentOS, Debian, MySQL / MariaDB, Nagios, Nginx, OpenSSL, OpenVNP, Tomcat, Wildfly and XenServer. Programming knowledge in Java and PHP will also be valued.

In the company the candidate will be mainly responsible for the securization and maintenance of systems and networks. He or  she will deepen knowledge of electronic signature and document management standards, as well as the deployment of qualified electronic services under EU Regulation 910/2014 (EIDAS).

Place of work: Madrid.

Company description:

The European Agency of Digital Trust (EADTrust) is a TSP (TrustService Provider) based in Spain that provides digital trust services throughout Europe. The information on its services is publicly available in the web site managed by the Ministry of Energy, Tourism and Digital Agenda, supervisory body of the Spanish Certification Service Providers.

Provides different services of digital trust:

  • Time Stamping Service
  • Validation Service
  • Attested publication
  • Electronic corporate services
  • Key Escrow

EADTrust is the first European TSPto create a PKI certification hierarchy based on elliptic curve cryptography. In fact, the EADTrust certification hierarchy is dual, allowing the use of both RSA Asymmetric Cryptography and Elliptic Curve Cryptography.


  • Management of Linux systems based on Red Hat, CentOS, among others
  • Creation of scripts in bash / python for operations automation.
  • Administration and operation of Apache application servers
  • Operation with BBDD MySQL: exports, imports, maintenance user schemas, execution SQL scripts.
  • HSM System Configuration


  • Preferably Computer Engineering or Higher Education in Computer Science.
  • Experience between 2-3 years.
  • Attitude orderly and methodological. Systems documentation

Required skills:

  • WAS administrator (administration, management, migrations, deployments, tunning, resolution of incidents, etc.)
  • UNIX (advanced user)
  • Knowledge and technical capacity in systems environments (Linux, Shell scripting, maintenance and operation of application servers).
  • Knowledge in administration and operation of MySQL BBDD.

Valuable knowledge:

  • Java and Javascript
  • PHP
  • HSM Safenet Environments
  • Windows Server,
  • Amazon Web Services
  • Azure
  • PostgressSQL
  • MongoDB

Send curriculum vitae and letter of expression of interest: rrhh (at) eadtrust.net

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