Network Reliability Engineer

MARGO; Warszawa; On-site; PLN 120,000 - 170,000; Full time

Job summary

MARGO in Warszawa seeks a skilled Infrastructure Engineer to build and oversee AI infrastructure with robust monitoring, incident diagnosis, and remediation capabilities. You will collaborate across engineering teams to maintain service continuity and drive observability improvements.

The role emphasizes on-call readiness, deployment governance, and knowledge sharing, with tools and platforms spanning Prometheus, Grafana, and GPU/HPC environments. Proficiency in Go/Python and Linux is expected.

Qualifications

• Experience with Go or Python.
• Strong scripting skills (Bash, Python).
• Hands-on experience with Linux systems (Ubuntu/Debian).
• Preferred hands-on experience with GPU & HPC infrastructure.
• Knowledge of networking (VLAN/LAN, TCP/IP, DNS, BGP, load-balancing, IPv6).
• Familiarity with monitoring and logging tools (Prometheus, Grafana, Elastic).
• Comfortable with Infrastructure-as-Code (Ansible, Salt, AWX).
• Experience managing relational databases (MariaDB).
• Understanding of CI/CD pipelines (GitLab).
• Comfortable with English (written and spoken).

Responsibilities

• Build a large AI infrastructure with monitoring, diagnosis, and remediation of production incidents
• Troubleshoot high-impact production issues in collaboration with other engineering teams
• Participate in an on-call rotation to handle incidents and ensure service continuity
• Implement and maintain observability solutions to monitor AI infrastructure and application health
• Contribute to AI infrastructure lifecycle management across different environments and countries
• Promote and apply best practices in stability, resiliency, scalability, and security
• Maintain clear technical documentation for tools and procedures
• Contribute to system and tool evolution based on production feedback
• Collaborate closely with development teams to ensure infrastructure readiness
• Participate in team rituals and knowledge-sharing initiatives

Skills

Proactive mindset

Automation & CI

Collaboration & communication

Independent work

Mentoring & knowledge sharing

Tools

Go

Python

Bash

Linux (Ubuntu/Debian)

GPU & HPC infra

Networking (VLAN/LAN, TCP/IP, DNS, BGP, IPv6)

Monitoring: Prometheus/Grafana/Elastic

Infrastructure-as-Code: Ansible/Salt/AWX

MariaDB

GitLab CI/CD

Job description

#HPC #AI #GPU #CLUSTERS

YOUR DAILY ROUTINE

• Build a large AI infrastructure with monitoring, diagnosis, and remediation of production incidents
• Troubleshoot high-impact production issues in collaboration with other engineering teams
• Participate in an on-call rotation to handle incidents and ensure service continuity
• Implement and maintain observability solutions to monitor AI infrastructure and application health
• Contribute to AI infrastructure lifecycle management across different environments and countries
• Promote and apply best practices in terms of stability, resiliency, scalability, and security
• Maintain clear technical documentation for tools and procedures
• Contribute to system and tool evolution based on production feedback
• Collaborate closely with development teams to ensure infrastructure readiness
• Participate in team rituals and knowledge-sharing initiatives

ABOUT YOU

• SOFTSKILLS :
• Proactive and solution-oriented mindset
• Passion for automation and continuous improvement
• Strong collaboration and communication skills
• Ability to work independently and in a team
• Willingness to mentor and share knowledge
• HARDSKILLS :
• Experience with Go or Python
• Strong scripting skills (Bash, Python)
• Hands-on experience with Linux systems (Ubuntu/Debian)
• Preferred hands-on experience with GPU & HPC infrastructure
• Knowledge of networking (VLAN/LAN, TCP/IP, DNS, BGP, load-balancing, IPv6, etc.)
• Familiarity with monitoring and logging tools (Prometheus, Grafana, Elastic, etc.)
• Comfortable with Infrastructure-as-Code (Ansible, Salt, AWX, etc.)
• Experience managing relational databases (MariaDB)
• Understanding of CI/CD pipelines (GitLab)
• Comfortable with English (written and spoken)