Key Responsibilities :

Linux & Embedded Systems :

- Maintain, improve, and further develop an Ubuntu-based Raspberry Pi system image.

- Work with ARM/embedded platforms, including troubleshooting and optimization.

Automation & Configuration Management :

- Automate and orchestrate systems using SaltStack, with active involvement in the migration to Ansible.

- Develop and improve scripts (Bash/Python) to optimize system operations.

Directory Services, Identity & PKI :

- Integrate and operate Active Directory services using SSSD, LDAP, and Kerberos.

- Manage internal PKI and certificate infrastructures, including TLS configuration and key rotation.

Security, Monitoring & Operations :

- Perform system hardening and implement security best practices.

- Ensure comprehensive monitoring, logging, and performance tuning.

- Manage daily operational tasks and incidents across 1st, 2nd, and 3rd level support, including troubleshooting and root cause analysis.

- Create, optimize, and maintain operational workflows for stable and efficient system operations.

Collaboration & Documentation :

- Work closely with developers, providing consulting and support for deploying and operating applications.

- Maintain high-quality documentation aligned with enterprise standards.

- Collaborate with international teams across functions and regions.

Required Qualifications :

Technical Background :

- Completed degree in Computer Science, Information Technology, or a comparable qualification.

- 8+ years of professional experience in Linux system administration (Ubuntu/Debian).

- Experience with ARM systems or embedded devices (e.g., Raspberry Pi).

- Strong knowledge of configuration management (SaltStack, Ansible).

- Experience integrating Linux systems with Active Directory.

- Experience with virtualization and ARM emulation setups.

- Strong networking knowledge (DNS, DHCP, Proxy).

- Solid scripting skills in Bash and/or Python.

- Hands-on experience with Git and CI/CD environments (e.g., Jenkins, GitHub).

- Strong understanding of IT security, system hardening, and secure operations.

Soft Skills :

- Excellent English communication skills in a global business environment.

- Strong analytical and troubleshooting abilities.

- Ability to work effectively across international, cross-functional teams.

- Structured, proactive, and solution-oriented working approach.

Work Model Requirements :

- Willingness to work on-site during the initial onboarding phase.

- Availability to work from the office several days per week after onboarding.