System Administrator - London, United Kingdom - StarHunter

Description

• Oversee and manage our entire Linuxbased platform infrastructure, leading the planning, design, implementation, and maintenance of systemlevel software and infrastructure.
• Monitor system performance and proactively identify and address any bottlenecks or other issues that could impact business operations
• Upgrading infrastructure components including but not limited to load balancers, firewalls, network devices, storage, and virtualisation.
• Ensure the security of all systems
• Troubleshoot and resolve any technical issues that arise, including server downtime, network connectivity problems, and software errors
• Design and develop complex, scalable, and highly available system architectures.
• Streamline and automate system workflows and processes, contributing to continuous integration/continuous delivery (CI/CD) efforts.
• Identify, troubleshoot, and resolve highcomplexity system issues, optimizing performance and reliability.
• Support the development team with adhoc and industrystandard development and testing tools.
• Produce and maintain highquality technical documentation related to system architectures, processes, and incident reports.

• 10+ years of experience in Linux systems administration.
• Scripting languages such as Bash, Python and PHP.
• Linux kernel, system internals, tuning, performance optimization, and debugging.
• DevOps and IAC tooling e.g. Terraform, Ansible, Packer and Git
• Network protocols and principles, including multicast, TCP/IP, NTP, HTTP and DNS.
• CI/CD tools and practices, with experience in designing and implementing CI/CD pipelines.
• Monitoring and log management tools like Zabbix, Grafana, ELK Stack, or Graylog.
• Database cluster administration, like MySQL and PostgreSQL.
• Experience with virtualisation software such as KVM.
• Expertise with container technologies like Docker Swarm.
• Experience with AWS.
• Experience with complex mailing systems including PowerMTA, Exim and Postfix
• Indepth understanding of secure coding practices, system hardening, and encryption technologies.
• Excellent problemsolving skills and strategic thinking with a focus on innovation and process improvement.
• Outstanding communication skills and ability to communicate complex technical concepts.
• Strong, selfmotivated, and proactive team player with the ability to adjust to shifting priorities and time management skills.