User details
AS
AS
Austin Singer
@austin_singer_61x6w59oz
Linux Administrator
New Alexandria, PA, United States
0Follower0Following0Mutual0Post
Member since: Jan 22, 2025Results-oriented Linux System Administrator with over three years of progressive experience in vulnerability management, infrastructure optimization, and automation. Proficient in using cutting-edge tools such as Ansible, Git, Docker, Kubernetes, and Bash to streamline operations. Adept at managing and scaling Amazon Web Services (AWS) environments and improving system reliability through proactive monitoring and automation. Strong collaborative and troubleshooting skills with a commitment to minimizing downtime and ensuring high availability.
• Installed, updated, and managed software packages using RPM, YUM, and DNF in RHEL 8 and CentOS environments.
• Administered and maintained Linux servers providing services such as file sharing, authentication, web hosting, and database management.
• Developed and tested automation scripts for disk space management, event monitoring, system health checks, system updates, and daily backups.
• Collaborated with cross-functional teams to test and deploy patches, ensuring minimal impact on business operations.
• Researched patch dependencies, conducted rigorous testing in QA environments, and validated deployment readiness.
• Supported bi-weekly software deployments by activating changes, restarting clusters, and verifying update implementation.
• Optimized virtual servers, loopback addresses, and SSH clients to enhance routing access across multiple networks.
• Utilized terminal emulators like PuTTY and SecureCRT in conjunction with Kali Linux to interface with network equipment.
• Diagnosed and resolved network issues by performing equipment tests, validating configuration files, and analyzing system-wide network diagrams.
• Configured, monitored, and managed network elements to ensure essential traffic and customer connections operated at optimal performance.
• Restored terminal outages via out-of-band connections and implemented port forwarding rules using Linux commands.
• Designed and deployed Linux scripts to streamline and enhance the efficiency of out-of-band connection restoration for team members.
• Collaborated with clients and internal escalation teams to troubleshoot and resolve break/fix issues using fundamental Linux commands.
• Configured and modified multiple CDN and ADN gateways across regional servers to optimize traffic latency for client websites.
• Monitored HTTP/S status codes to address CDN alerts and resolved low traffic latency issues caused by cache failures.
• Processed and managed change requests for renewing and deploying SSL certificates across systems.
• Provided support for up to 300 cloud and on-premises servers, serving user communities ranging from 500 to 150,000 users.