System Engineer / Site Reliability Engineer - 1

About the role

Join our team as a key contributor responsible for the end-to-end operation of approximately 700 systems across TEST, AC1, PreLIVE, and LIVE environments. You will work in a highly automated, performance-driven infrastructure, ensuring stability, scalability, and continuous improvement of our VoIP and Radius platforms. As part of our team, you will: Operate, maintain, and enhance VoIP and Radius systems within high-performance data centers Develop and improve automated system management using Puppet and Debian-based server clusters Drive projects within the VoIP and Radius environment across their full lifecycle - from design and implementation to deployment Perform performance analysis and optimization to ensure system efficiency and reliability Plan and execute rollouts of new features and system updates Carry out regular maintenance activities (system expansions, updates, upgrades) Analyze, troubleshoot, and resolve technical issues in a structured and goal-oriented manner Coordinate with upstream providers by creating and managing trouble tickets Participate in an on-call rotation (additional compensation provided) You are an experienced IT professional with strong Linux expertise and a passion for open-source technologies. Ideally, you bring: A degree in Computer Science, Natural Sciences, or a comparable qualification Several years of experience in IT operations (FOSS systems or Site Reliability Engineering) Strong expertise in Linux administration, especially with clustered environments Practical experience with ITIL processes (Incident, Problem, and Change Management) Solid understanding of networking (TCP/IP, UDP) Scripting skills (Bash, Python, Perl) for automation Strong analytical and troubleshooting skills Experience with virtualization (e.g. KVM, Proxmox, oVirt, OpenStack) - nice to have Knowledge of VoIP technologies and telephony systems (e.g. Asterisk, Kamailio) - a plus Experience with FreeRADIUS - a plus Knowledge of MySQL / MariaDB administration A proactive, service-oriented mindset and ability to quickly understand complex systems Good English skills (written and spoken); basic German is an advantage We hereby inform you that Inetum Polska sp. z o.o. has implemented an internal reporting (whistleblowing) procedure. The content of the procedure and the possibility to submit an internal report are available at: https://inetum.whispli.com/speakup?locale=pl

Your Match

How well this role fits your profile.

Company Intel

What employees say

Worked at Inetum2? Share your experience