Freelance Linux Server Administration specialist

Required A Freelance Linux Server Administration specialist.
• 4+ years of related professional experience.
• Advanced technical background of Linux based server operating systems.
• Practical experience with OS operation, upgrades and security patching.
• Networking experience with the suite of TCP/IP, IP routing, NAT, firewalls.
• Experience with network services like DNS and LDAP and HTTP proxies.
• Good understanding of IT security, OS hardening.
• Experience in script programming (e.g. Shell, Perl, Python, Go, etc.) and with server automation tools (e.g. Ansible, CHEF)
• Experience with server operations in large environments and/or in public clouds.
• Practical knowledge in Redhat, SUSE Enterprise Server, Ubuntu and Debian various distros.

The following criteria are must:
• Israeli resident with ability to attend NTT Israel office in Kfar-Saba as needed (Ra’nanna South train station).
• Freelancer registered in Israel and capable of issuing invoices, hourly charge rate.
• Sunday to Thursday, 9:00 to 19:00 core availability (when remote)
• Fluency in English language.