Tecnico de Sistemas Red Hat Linux

Este es un puesto de trabajo remoto.

HYBRID: Remote and 2x Office in Madrid

· Administer and optimize Red Hat Identity Management (IdM) / FreeIPA for authentication and authorization

· Manage FreeRADIUS for remote access VPN authentication across multiple plants

· Configure and maintain Keycloak for identity federation and SSO

· Ensure seamless LDAP integration for authentication on L1 and L2 SCADA platforms

· Implement and manage MFA using TOTP for enhanced security

· Deploy, monitor, and maintain authentication services on AWS EC2 instances

· Collaborate with security and networking teams to enforce access control policies

· Troubleshoot authentication issues and optimize system performance

Requirements

Must Have

Strong Linux administration skills, preferably with Red Hat Enterprise Linux (RHEL)

· Expertise in Red Hat IdM / FreeIPA, FreeRADIUS, and Keycloak

· Solid understanding of LDAP authentication and user management

· Experience with MFA (TOTP-based) authentication methods

· Proficiency in AWS (EC2, networking, security best practices)

· Strong networking knowledge (VPN, firewalls, access control policies)

· Experience with scripting (Bash, Python) for automation

· Strong problem-solving skills and ability to work in a highly secure environment

Nice to have

· Certifications in Red Hat (RHCSA, RHCE), AWS, or networking security

· Experience in industrial environments (SCADA, OT security)

· Familiarity with IAM best practices in cloud environments.