Linux System Administrator

Experience:

• At least 10 years of experience at a relevant Technical position in large organizations with hands on automation knowledge
• Knowledge in Linux internals (Preferable RHEL / Ubuntu)
• Comprehensive understanding in DevOps / SRE, IaC and 12 Factor Principles
• Excellent hands on experience in configuration management, orchestration and IaC tools (Ansible, Jenkins, Terraform)
• Strong understanding of Repository and Artifact management Tools (Red Hat Satellite, Spacewalk, Nexus)
• Agile methodologies and its ceremonies
• Own multiple services and have the authonomy to do what suits the business and our customers in IT.
• Solve occurring problems and create solutions and automation to prevent them from happen again.
• Support on call if needed
• Conceptual understanding about infrastructure and how it works,
• DNS (Authoritive and Non-Authoritive DNS, Dynamic and bind DNS, Forwarder)
• SSL Communication (Handshake of SSL traffic, Cipher Suites, Enc Algorithyms,)
• Active Directory (Security OUs, policies)
• Certificates (SAN, client-authentication, keystores, mutual ssl)
• Loadbalancers / Site Selectors / Firewall
• Vault Tools (Cyberark / Hashicorp)
• High Availability
• Knowledge about API communications (Rest/Soap), developing a new consumer/publisher for any API
• Excellent Scripting in
• Groovy (writing Jenkins Files)
• Bash / Powershell
• Python
• GITOPS driven configuration management and deployment
• Familiar and openminded to Opensource technologies
• Team player / quick adaptation to context change
• Security Awareness
• Strong understanding of troubleshooting. Deep dive to an issue, read logs, track the clues and identify the problems.
• Strategic Thinking with Research and Development mindset.
• Adequate understanding of project management methodologies.
• Excellent communication skills (verbal, written, and presentation).