The System Administrator (Unix/Linux) is responsible for the design, installation, configuration, implementation and operation of the enterprise Linux/Unix environment.

• Provisioning, configuring, and managing Linux/Unix Systems (e.g., Red Hat, Ubuntu, CentOS, Amazon Linux).
• Supports the operations of key enterprise Linux/UNIX platforms policies and procedures; provide reliable and timely responses to service requests.
• Perform enterprise level system upgrades of Linux/Unix operating systems, including evaluation and installation of OS and other application patches.
• Create and manage scripts to perform system tasks.
• Patching, upgrades, and security hardening of Linux servers.
• Providing technical support and expertise to ensure the smooth operation and successful completion of Linux-based projects.
• Provide engineering support of key infrastructure components.
• Proactively monitor servers via monitoring tools, i.e. New Relic, Zabbix etc. to anticipate and mitigate problems.
• Manage Service Level Agreements, documentation, and policy/procedure related to Linux/Unix environments.
• Resolve escalated issues from the IT Service Desk and other IT departments.
• Abide by all Change Management, Service Management and Incident Management processes and procedures.  Attend Change Approval Board (CAB) meetings, and Incident Management conference calls as needed. 
• Participate in the after-hours on-call rotation and respond to business emergencies.
• On-call rotation is required

Requirements:

• BA/BS degree in Computer Science or Information Technology or equivalent experience.
• Minimum 3-5 years’ experience in managing Linux/UNIX platform and its core services
• Linux/UNIX system administration
• RedHat Linux, CentOS, Ubuntu, AWS resources, particularly EC2 instances running Linux.
• DNS Management
• Experience in managing, implementing and maintaining enterprise-level Linux/Unix server administration.
• On-Prem, AWS and other cloud platforms.
• Knowledge of Python programming language is a plus.
• Experience with Ansible automation is preferred. 
• Strong verbal and written communication skills
• Strong analytical and troubleshooting skills
• Ability to prioritize and multi-task in a fast-paced working environment.
• Experience working in a 24/7 production engineering organization
• Ability to manage and deliver projects and solutions on time

Desired Skills:

• Bachelors degree in computer science preferred or equivalent professional experience.
• Certifications such as RedHat, AWS.
• Familiarity with Enterprise Networking, ITIL, ServiceNow, Jira, Change Management
• Knowledge of VoIP implementation and support.
• Strong problem-solving and analytical abilities.
• Knowledge of PCI-DSS, GDPR is a plus.