Cybersecurity (nice to have)
Scripting (nice to have)
Redis (nice to have)
Monitoring systems (regular)
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
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
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