Senior Linux Systems Administrator
Katowice, PL
‎23 godz. temu
source : Just Join IT

Cybersecurity (nice to have)

Scripting (nice to have)

Redis (nice to have)

Monitoring systems (regular)

Linux (master)

WebSell is seeking to recruit a Senior Linux Systems Administrator to maintain and administer its production infrastructure.

WebSell provides e-commerce services to over 400 retail businesses globally, and processes hundreds of millions of dollars’ worth of transactions per year.

We are headquartered in Cork, Ireland, with a sales office in Traverse City, Michigan, and a support office in Poznan, Poland.

This role will be based in Poznan and can be performed at the office in Poznan city centre (Stary Rynek 80 / 82) or remotely.

This is an English-speaking job, with a high standard required in both written and verbal communication through English.


  • Build and manage infrastructure environments based on Linux, Apache / Nginx, MariaDB / MySQL, Redis, and other open-source tools
  • Demonstrate your passion for troubleshooting, and for technology and methodologies
  • Assist the software engineering team with performance improvement and automation activities to enhance productivity and ensure optimal uptime for customers
  • Collaborate with members of the support team to provide escalated support in critical situations
  • Work with the Head of Technology to ensure ongoing compliance with PCI-DSS (Level 1 Service Provider) and GDPR, as well as spearheading any other initiatives around new IT policies, controls, and compliance
  • Use tools such as Monit / Heartbeat, and FILM software, to monitor the production environment and address performance and security issues as they arise
  • Provide general support on internal IT as required
  • Requirements

  • 5+ years of experience in Linux operating system installation, configuration, upgrades, and maintenance
  • Experience in monitoring large scale environments
  • Commandline scripting skills, ideally including the ability to write and maintain Perl and Python scripts
  • Experience using relational database management systems like MySQL or MariaDB, preferably in a replicated environment
  • Experience in the (remote) deployment, monitoring, and management of bare metal servers
  • Experience with network device management and configuration
  • Excellent written and verbal English skills
  • Desirable

  • Professional Linux certifications
  • Understanding of agile development practices
  • Experience in deploying and maintaining the hosted environment for high web applications
  • The ability to diagnose and troubleshoot database performance issues
  • Knowledge of disaster recovery best practices including practical experience
  • A background in cybersecurity and / or certifications in same
  • Benefits

  • 26 paid vacation days (whether on B2B or on standard contract)
  • Annual bonus scheme (on standard contract)
  • Private health care (LuxMed)
  • MultiSport / MultiBenefit
  • International team with a friendly culture and a supportive environment
  • Informal dress code
  • Computer hardware and OS of your choice + displays and peripherals (up to €3,000)
  • Flexible working hours
  • Fully remote work from Poland, with the option of working from the our central, modern Poznan office (on Stary Rynek)
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