Senior Linux System Administrator for Leading Investment Firm in Cyprus

Senior Linux System Administrator for Leading Investment Firm in Cyprus

• Cyprus - EU and non EU nationals - visa sponsorship provided
• Greece - People eligible to work without visa sponsorship, anywhere in Greece
• Competitive Salary & Benefits Package

The Role:

We are looking for a Senior Linux Systems Administrator to join a team of talented engineers, which is responsible for delivering mission-critical ultra-low latency services to millions of clients across the world. You will participate in automating, securing, ensuring highest availability of the infrastructure, and assisting the team to improve operational efficiency.  

Responsibilities:

• Oversee and manage our entire Linux-based platform infrastructure, leading the planning, design, implementation, and automated maintenance of system-level software and infrastructure
• Design and develop complex, scalable, and highly available system architectures
• Perform continuous health monitoring, improve the stability/performance of the Linux Systems and troubleshoot issues that may arise
• Stay at the forefront of industry trends and emerging technologies, providing strategic insights to optimize our infrastructure and operations
• Produce and maintain high-quality technical documentation related to system architectures, processes, and incident reports
• Liaise with cross-functional teams, including Application Support (SRE), Development, Security and vendors to deliver optimum and secure solution
• Provide technical leadership and mentorship to a team of engineers, promoting best practices in Linux system administration, architecture and security
• Participate in teams on call rotation

Main requirements: 

• BSc/MSc in Computer Science, Information Technology, or a related field; or equivalent work experience
• 3+ years of Linux Systems administration; deep knowledge and experience with RedHat based Operating Systems
• Expertise with shell command line usage, scripting, using automation
• Deep understanding of Linux kernel, system internals, tuning, performance optimization, and debugging
• Strong knowledge of network protocols and principles, including multicast, TCP/IP, DHCP, NTP and DNS
• Hands-on experience in administering, provisioning, configuring, tuning and monitoring of application web servers (Apache / Nginx), databases (SQL and NoSQL), logging (ELK) and HA systems (HAProxy)
• Experience with the best practices of virtualised and/or containerised environments (VMware / VirtualBox / Docker)
• Experience with technologies and methodologies of CI/CD processes (GitLab / Jenkins)
• Self-driven, with ability to take ownership of issues and follow them through to complete resolution
• Ability to use own initiative, prioritise tasks and work either independently and / or within a team
• Strong technical documentation abilities
• Excellent verbal and written English communication skills
• Excellent problem-solving skills and strategic thinking with a focus on innovation and process improvement

Nice to have:

• RHEL / LPI Certification
• Experience with Content Delivery Networks (AWS CloudFront / Akamai Ion)
• AWS Certification
• Terraform/ Ansible experience
• Expertise with container technologies like Docker and orchestration platforms like Kubernetes

Benefits:

• Attractive remuneration package
• Intellectually stimulating work environment
• Continuous personal development and international training opportunities
• Attractive relocation package and support for a smooth relocation for you and your family

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