RecruitGibraltar are currently helping our client who is a long established and reputable technology company who offer long term career growth, excellent salary, and a rewarding working environment where you can make a real impact. They need a Senior Systems Administrator with Linux play a critical role in managing and optimizing their infrastructure to ensure the highest levels of performance, reliability, and scalability. This position requires strong technical expertise in Linux and Windows systems administration, VMware and XCP-ng virtualization, automation frameworks, and infrastructure management. The ideal candidate will have a proven track record of leading teams, driving projects to completion, and implementing best practices in system design and administration.

This is an office based role with no remote option.

What will you do as a Senior Systems Administrator with Linux?

• Lead a team of systems engineers, providing guidance, mentorship, and technical expertise to drive excellence in performance and service delivery.
• Design, implement, and manage Linux-based infrastructure to support critical network operations, including servers, storage systems, and networking components.
• Architect XCP-ng and VMware virtualization solutions to optimize resource utilization, performance, and scalability.
• Collaborate with network engineers and other stakeholders to design and deploy infrastructure solutions that meet business requirements and performance goals.
• Develop and implement and automation framework using tools such as Ansible, Puppet, or Chef to streamline system provisioning, configuration management, and deployment processes. Experience with CFEngine will be a plus. The main goal is to improve operation efficiency and to ensure alignment to configuration standards and security policies.
• Design and maintain infrastructure as code (IaC) templates to automate the deployment and configuration of virtualized environments.
• Monitor system performance, capacity, and availability using monitoring tools such as Observium, ElasticSearch. TIG stack and Graylog.
• Implement proactive measures to mitigate performance bottlenecks and ensure optimal resource utilization across the infrastructure.
• Implement and enforce security best practices to protect infrastructure assets and data from cyber threats and vulnerabilities.
• Ensure compliance with industry standards and regulations, such as PCI DSS, GDPR, and HIPAA, as applicable to system administration and security practices.


What do you know that makes you a great Senior Systems Administrator with Linux?

• Solid experience in systems engineering, with expertise in Linux administration, VMware virtualization, and automation.
• Strong knowledge of Linux operating systems (e.g., CentOS, Ubuntu) and experience with system administration tasks such as package management, filesystems, and networking.
• Bachelor's degree in Computer Science, Information Technology, or a related field is preferred.
• Proficiency in VMware vSphere/vCenter and XCP-ng administration, including VM deployment, resource management, and high availability configurations.
• Hands-on experience with automation tools such as CFEngine and Ansible, Puppet, Chef or Terraform for infrastructure provisioning, configuration management, and orchestration.
• Excellent scripting skills (e.g., Shell, Python, PowerShell) for automation and task automation.
• Strong understanding of networking concepts, protocols, and technologies.
• Experience with cloud technologies (e.g., AWS, Azure, Google Cloud Platform) is a plus.
• Certifications such as RHCE, VCP, or AWS Certified DevOps Engineer are preferred.

Salary £60k - 75k based on experience with bonus & benefits package.