remote
Senior Linux System Administrator - JD Sports Fashion
Systems Engineer
Lead the design, deployment, and maintenance of enterprise Linux infrastructure, ensuring high availability, performance, and security across a global retail environment. Leverage advanced scripting, networking, and security practices to support omnichannel operations.
About the role
Key Responsibilities
- Design, implement, and manage Linux servers, ensuring 99.9% uptime for critical retail applications.
- Automate routine tasks using Bash, Python, and configuration management tools to improve efficiency and reduce errors.
- Monitor system performance, troubleshoot issues, and optimize resource utilization across on‑prem and cloud environments.
- Implement and maintain security controls, including firewall rules, SELinux/AppArmor policies, and patch management.
- Collaborate with development, network, and security teams to support continuous integration and deployment pipelines.
Requirements
- 5+ years of experience administering Linux (RHEL/CentOS, Ubuntu) in a large‑scale, high‑availability environment.
- Strong scripting skills in Bash and Python, with experience in automation frameworks.
- Deep understanding of networking concepts (TCP/IP, routing, VPN, load balancing) and security best practices.
- Experience with monitoring tools (Prometheus, Grafana, Nagios) and log management (ELK, Splunk).
- Excellent problem‑solving skills and ability to work independently in a fast‑paced retail setting.