Senior Linux Administrator

We are seeking an experienced Sr. Linux Administrator specialist who is passionate about technology, collaboration, and can confidently support multiple customer environments. You will be crucial in stakeholder communication, advising, and translating business needs into secure, scalable, and reliable solutions. Success in this role relies on a firm grasp of networking principles and adaptability to meet tight deadlines in an ambiguous and dynamic environment. 

Key Responsibilities 

• Architect, build, and maintain on-premise and/or cloud infrastructure to support team and customer initiatives.
•  Administer production, staging, and development environments.
• Manage and aggregate server logs and monitor for security and system-related incidents.
• Monitor and analyze system performance, such as server load and resource usage.
• Maintain and improve existing build and deployment processes using CI/CD tools.
• Apply configuration management disciplines to maintain software revisions, security patches, hardening, and documentation.
• Enforce best practices for security and reliability, and drive security initiatives like access control and vulnerability testing.
• Develop and implement tooling to automate monitoring, metrics collection, analysis, and self-service solutions for enhanced team operations and infrastructure management. 
• Provide after-hours support by participating in the on-call rotation schedule, remaining readily available to promptly address and resolve issues that arise outside of standard business hours.
• Update and manage customer specific golden RHEL images, perform DISA STIGs, run SCAP checks, and manage OS patching.
• Perform and coordinate incident diagnosis and root cause analysis, addressing OS and application issues, including crashes, and performance concerns, through comprehensive troubleshooting.
• Conduct daily system health checks to ensure the integrity and availability of servers, review system and application logs, and take proactive measures to prevent potential issues.
• Ensuring system availability, administration, and compliance, applying your expertise in automation to streamline daily administrative tasks using Python, Bash Shell, and Ansible.
• Other duties as assigned

Qualifications & Experience

• 10+ years Linux Administration experience supporting production environments.
•  U.S. Citizenship
• Current Linux certification (LPIC-2, RHCSA, SCA, etc..) or ability to obtain within six months of starting. 
• Experience in cloud environments, particularly hyperscale platforms (AWS, Azure, GCP).
• Experienced writing IT automation scripts using Python or another interpreted language.
• Experience with Ansible, Puppet, Chef, or other server/configuration management tools

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Knowledge, Skills & Abilities

• Proficient in debugging complex cloud environment issues and strong in Linux/Unix troubleshooting and log file forensics. 
• Proficient and experienced in patch management using DNF. Must possess the ability to diagnose and resolve issues with automated patching processes using Ansible.
• Demonstrable experience in Enterprise-level environments.