Senior Linux System Administrator Vice President

Citi • Irving, TX

1d

About The Position

Deliver expert-level support and resolution for complex incidents and problems within the Linux ecosystem, ensuring minimal business impact and adherence to SLAs. Troubleshoot and resolve escalated issues in the Linux Environment. Proactively monitor system health, performance and capacity to ensure stability, availability and reliability. Perform Kernel Upgrade, patches and Vulnerability Management to ensure compliance meeting the organization standards. Design and enforce system hardening, access control, and security baselines aligned with the compliance framework. Server as escalation point and technical advisor for Level 1 and 2 administrators, develop technical runbooks and knowledge-based articles. Participate and lead initiatives for architectural reviews, infrastructure modernization, and enterprise risk assessments. Lead Major Incidents and engage with stake holders to perform Root Cause Analysis and provide permanent solutions.

Requirements

• 8+ years of progressive experience in Linux Server Administration with enterprise level skills in Physical and virtual environment management
• Deep Understanding of Linux security methodologies, Hardening procedure and best practices
• Deep Understanding of Linux Internals - Process Management, Memory handling. Kernel Tuning, Capacity planning
• Evaluate and maintain server storage and other IT standards for the enterprise and all supporting products and services
• Hands on Experience with automation tools (Ansible, Chef, Puppet)
• Analyze server and storage characteristics (e.g., CPU behavior latency transmission speeds packet loss and throughput) triage and troubleshoot problems
• Knowledge and experience of Root Cause Analysis (RCA) required
• Familiarity with complex multi-site and global network design multi-layered switch environment firewalls VPN Load balancers and DNS
• Familiar with the fundamentals of web application and relational database architectures

Nice To Haves

• Knowledge and writing a code and script (Shell, Python. Perl, Yaml, and / or PHP) is a huge plus
• Knowledge with analytics and observability tools (Grafana, Kibana, Elk, Splunk, AppDynamics) is a plus
• Experience with container technologies (docker, Kubernetes, openShift, AWS, GCP)
• Bachelor's/University degree in Computer Science/Engineering preferred or equivalent experience

Responsibilities

• Deliver expert-level support and resolution for complex incidents and problems within the Linux ecosystem
• Troubleshoot and resolve escalated issues in the Linux Environment
• Proactively monitor system health, performance and capacity to ensure stability, availability and reliability
• Perform Kernel Upgrade, patches and Vulnerability Management to ensure compliance meeting the organization standards
• Design and enforce system hardening, access control, and security baselines aligned with the compliance framework
• Serve as escalation point and technical advisor for Level 1 and 2 administrators, develop technical runbooks and knowledge-based articles
• Participate and lead initiatives for architectural reviews, infrastructure modernization, and enterprise risk assessments
• Lead Major Incidents and engage with stake holders to perform Root Cause Analysis and provide permanent solutions

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level