Senior Linux Systems Administrator
Admin
Senior Linux Systems Administrator
Gliwice
Type of work
Undetermined
Experience
Senior
Employment Type
Permanent, B2B
Operating mode
Remote
Tech stack
Linux
Apache
NGINX
MySQL
MariaDB
Monitoring systems
Redis
Git
Scripting
Cybersecurity
Job description
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.
Responsibilities
- 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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