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Open nowPosted 23 days ago

Senior System Engineer

MainStreaming4 open roles

Where
Milan, Italy
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Your applicationOpen nowSenior System EngineerMainStreaming · Milan, Italy

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The clock on this job

Early applications get read.

13.4% of postings close within 7 days. Measured by our own scanner across the market. MainStreaming postings stay open a median of 11 days.

Share of postings closed within
  1. 2.2%1 day
  2. 4.6%3 days
  3. 13.4%7 days
  4. 21.6%14 days
  5. 36.2%30 days
  6. 59.0%60 days
This job: posted 23 days ago

MainStreaming median: 11 days open

The posting

We are seeking an experienced Senior System Engineer to join our team. In this senior role, the engineer will lead system provisioning, configuration, monitoring, and maintenance efforts to ensure stable, optimized operations. The ideal candidate will bring extensive experience in Linux systems administration and configuration management and will also provide mentorship to junior team members while contributing to the documentation and development of best practices.

Key Responsibilities:

The Senior System Operations Engineer will take ownership of provisioning and configuring Linux-based systems across various server roles, including edge servers and application-specific servers. They will ensure consistent and compliant system configurations, leveraging tools such as Rudder to automate and standardize setups across environments. Additionally, they will play a key role in creating and maintaining documentation for these processes, building a knowledge base that supports team-wide efficiency and scalability.

A primary responsibility in this role is establishing and refining monitoring and observability practices. The engineer will oversee and optimize monitoring platforms (e.g., Zabbix) to track system metrics, set up alerting, and quickly identify and address performance issues. They will also conduct regular system maintenance tasks—such as updates, patches, and performance tuning—ensuring high availability and system efficiency.

As a senior engineer, this role includes mentoring junior team members, guiding them through troubleshooting processes, and sharing best practices to elevate the team’s collective expertise. The engineer will collaborate on capacity planning, working to align infrastructure resources with current demands and projected growth. This role also involves managing storage and networking configurations, using open-source solutions like Ceph for storage and tools like FRR for network routing, to maintain high data throughput and system reliability.

Qualifications:

  • Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent experience).
  • 10+ years of experience in a System Operations or related role, with a strong background in high-demand industries such as broadcast, media, or digital video.
  • Advanced expertise in Linux administration, with hands-on experience provisioning, configuring, and optimizing Linux-based systems.
  • Deep knowledge of configuration management tools like Rudder, Chef, or Puppet, with experience enforcing configuration standards and maintaining consistency across environments.
  • Proficiency in managing and fine-tuning monitoring tools (e.g., Zabbix, Prometheus) to track performance metrics, create alerting mechanisms, and optimize system observability.
  • Extensive experience conducting regular maintenance, applying patches, troubleshooting performance issues, and tuning systems to maximize efficiency and uptime.
  • Strong skills in mentoring junior engineers, sharing best practices, and documenting processes and procedures to build a robust knowledge base for the team.
  • Familiarity with open-source storage technologies (e.g., Ceph, ZFS) and network routing tools like FRR and Quagga to manage data flow and ensure high system reliability.
  • Proven experience in capacity planning and scaling strategies to support both current and anticipated demand across infrastructures.
  • Advanced scripting skills (e.g., Bash, Python) to automate system tasks and enhance configuration management workflows.

Nice to have:

  • Experience with or exposure to CDN infrastructures.
  • Exposure to edge computing and real-time system demands.

What we offer:

  • A young, dynamic and entrepreneurial environment where to develop and growth.
  • An innovative technology and service able to support the transition from traditional broadcasting to the streaming entertainment of the future.
  • A growth path aimed at improving your professionalism.
  • Flexible working hours.
  • Access to E-Learning platform.
  • Salary Range: da 40.000€

In MainStreaming you will be part of a dynamic, flexible, young, tight-knit and international environment and will have the chance to work in a company that values innovation, out of the box thinking, its employees and is committed to making the world a better place. MainStreaming is an equal opportunity employer and values diversity. We do not discriminate on the basis of race, religion, color, nationality, gender, sexual orientation, age, marital status or disability status.

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