Senior System Administrator

 About the job
As a Senior System Administrator, you will take a lead role in managing and optimising our organisation's Linux-based infrastructure. This includes overseeing servers, networks, and related systems to ensure top-notch performance, security, and reliability. The ideal candidate should bring extensive expertise in Lin
ux environments, a strategic mindset, and the ability to guide initiatives that elevate our overall IT landscape.
 Key Responsibilities:


Linux System Administration:
Oversee the deployment, configuration, and maintenance of Linux servers and operating systems.
Implement and manage security measures to protect Linux-based systems.
Cache, webserver, Elasticsearch, ELK base
Network Administration:
Administer and maintain Linux-based network infrastructure, including routers, switches, firewalls, and VPNs.
Troubleshoot network issues and optimise performance.
DNS management experience.
Virtualization and Containers:
Manage virtualization technologies.
Deploy and maintain containerization technologies like Docker and Kubernetes.
Storage Management:
Administer and maintain storage solutions on Linux platforms, including NFS and NAS systems.
Implement storage policies and conduct regular capacity planning.
Security and Compliance:
Enforce security best practices and ensure compliance with industry standards.
Conduct regular security audits and vulnerability assessments.
Scripting and Automation:
Develop and maintain scripts to automate routine tasks.
Identify opportunities for process automation and efficiency improvement.
User Support:
Provide advanced technical support for Linux-related issues.
Collaborate with the helpdesk team to resolve user-related problems.
Collaboration:
Collaborate with cross-functional teams to implement Linux-centric projects and initiatives.
Provide technical expertise in IT-related decision-making processes.
Documentation:
Maintain comprehensive system documentation, including configurations, procedures, and troubleshooting guides.
Create and update knowledge base articles for user support.
Training and Mentoring:
Train and mentor junior system administrators.
Conduct knowledge-sharing sessions within the IT team.
Requirements:
 

Bachelor's degree in Computer Science, Information Technology, or a related field.
5 years of experience in Linux system administration roles.
Profound knowledge of Linux server environments and command-line interface.
Experience with network administration and security on Linux platforms.
Familiarity with virtualization technologies and containerization (Docker, Kubernetes)CI/CD, understanding of pipelines, Git hub actions.
Strong scripting skills (Bash, Python, or Perl).
Excellent troubleshooting and problem-solving skills.
Knowledge of storage systems (NFS, NAS) on Linux.
Effective communication and interpersonal skills English language fluency

Preferred Qualifications:


Relevant certifications such as RHCSA, RHCE, Linux+, etc.
Experience with cloud platforms (AWS, Azure) in the context of Google Workspace understanding will be a plus.
Familiarity with configuration management tools (Ansible, Puppet, Chef).