Linux System Administrator

Job Summary:

A System Administrator III will support user desktops, administrator and maintenance tasks with company Linux (Ubuntu) servers, and specialized appliances, both on premises and in cloud (AWS).

Duties/Responsibilities:

• Responsible for the maintenance, configuration, and reliable operation of Linux servers, virtualization, and network connectivity on premises and in the cloud.
• Responsible for patching, disk management, package management, security hardening and vulnerability remediation for Linux (Ubuntu) servers on premises and in cloud.
• Responsible for creating and modifying users and groups with sudo permissions.
• Install and upgrade software, manage virtual servers, and integrate automation processes.
• Troubleshoot hardware and software errors by running diagnostics, documenting problems and resolutions, prioritizing problems, and assessing impact of issues.
• Deploy user desktop/laptop systems consistent with established configurations.
• Install and upgrade software on user systems including Operating System patches.
• Work with the customer (end users) to understand their computing needs and make sure their system can accommodate their use case.
• Monitor systems for appropriate use in accordance with established IT policies.
• Backup and restore user data and profiles.
• Troubleshoot hardware and software problems on end user systems.
• Provide excellent customer service when users are having difficulty with their systems.
• Answer incoming calls from clients and perform evaluation of their problem.
• Document troubleshooting and remediation steps in JIRA ticketing system.
• Follow up on outstanding requests and ensure timely resolution.
• Create accounts and configure hardware as part of on-boarding process.
• Setup and configure Windows desktop operating systems from scratch and with imaging tools.
• Manage and monitor internal assets to ensure accurate inventory records.
• Other duties may be added and/or assigned as needed.

Required Skills/Abilities:

• 7+ years of Linux system administration and network administration experience.
• Strong understanding of certificate management, CI/CD pipelines for Linux systems.
• Strong understanding of DNS, NIS, NFS, Red Hat IDM, FreeIPA, ftp, remote access, and security management.
• Strong logical skills and computer architectures and user interface concepts.
• Familiarity with Azure Active Directory to manage user accounts.
• Understanding of basic windows security features.
• Basic understanding of TCP/IP and networking protocols.
• Basic understanding of mobile platforms (iOS and Android).
• Basic knowledge of Windows Powershell command basics.
• Capable of creating quality documentation for procedures and record keeping.
• Highly skilled in troubleshooting techniques.
• Good organizational and time management skills – Keep time and work on tasks efficiently.

Additional Experience:

• Working knowledge of virtualization, VMWare, or equivalent.
• Experience with AWS networking protocols.
• Experience with Microsoft Windows, Macs and Linux operating systems.
• Experience loading and installing client applications from scratch and using remote deployment tools.
• Experience installing and configuring Mac and Windows Desktop Operating Systems.
• Experience with Landscape preferred.