Senior Linux Platform Engineer

Senior Linux Platform Engineer (Embedded & Ubuntu)

We are looking for a highly experienced Senior Linux Systems Engineer with a strong background in Ubuntu/Debian administration, embedded/ARM platforms, configuration management, and IT security. In this role, you will maintain and enhance an Ubuntu-based Raspberry Pi image, automate infrastructure, integrate enterprise authentication services, and support global development and operations teams. This position requires hands-on expertise, strong problem-solving skills, and the ability to collaborate in an international environment.

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.

Key skills/competency

• Linux System Administration
• Ubuntu/Debian
• Embedded Systems
• ARM Platforms
• Raspberry Pi
• SaltStack
• Ansible
• Python Scripting
• IT Security
• Active Directory Integration