Senior Linux Cloud Infrastructure Systems Engineer

About the job Bachelor’s degree in Computer Science, Information Technology, or a related discipline. AWS Certified Professional or equivalent cloud certification is highly desirable. Linux system administration certifications are preferred. Minimum 7 years of experience in systems administration and IT infrastructure support. Strong background in Linux server administration and scripting (Bash, KSH, TCSH, Python, Ruby). Experience provisioning and administering application servers such as Apache HTTPD, Apache Tomcat, Django, and Ruby on Rails. Hands-on experience with network protocols (TCP, DNS, FTP, TLS, HTTP/HTTPS). Familiarity with infrastructure support tools such as Ansible and Nagios. Experience in creating and maintaining firewall rules for secure application communication. Practical knowledge of AWS cloud operations at a professional certification level. Administer and support application server platforms (Python, Java, Ruby, Node, PHP) on Linux systems. Provision and manage application servers through automated tools and scripts. Configure and maintain load balancing and throttling rules for application traffic using F5 BigIP. Develop and maintain CloudFormation, AWS Config, and AWS Lambda scripts for cloud-based application servers. Create, edit, and maintain firewall rules to support secure application communication. Research and implement continuous improvements in application server security and automation. Provide documentation of infrastructure and train software architects on deployment limitations and trade-offs. Collaborate with infrastructure teams to ensure compliance with Service Level Agreements (SLAs). Provide 24x7 on-call support for troubleshooting and resolving production issues in critical enterprise applications.