Associate Principal, Linux Administration

SALARY: $130k FLEX plus 15% bonus

Dallas, TX

3 days on site, 2 days remote, open to H1B transfer

Linux Systems Administration operational support problem resolution large complex linux environment AWS VMWare Linux Shell RedHat Linux configuration management Puppet Chef or Ansible Docker Terraform DevOps CICD

Responsibilities:

• Provide advanced system administration, operational support and problem resolution for a large complex Linux computing environment, including both virtualized and physical Servers.
• Create and Patch AMIs, perform pull requests, write Automation code using tools such as Ansible, Terraform, etc.
• Perform Linux administration including changes, deletes, disk space management, application installation and support.
• Use your infrastructure and networking knowledge to maintain cloud-based infrastructure (predominantly on AWS) involving EC2, S3, RDS & VPC.
• Use configuration management tools (primarily Ansible and Terraform) to build and maintain a hybrid infrastructure hosted both at colocation facilities and in the public cloud.
• Work directly with the development team to build supporting infrastructure for specific new application functionality.
• Run proof of concept projects on early stage infrastructure improvements to validate the feasibility of an approach, evaluate performance, and spike an implementation.
• Review and evaluate virtual and physical server performance and capacity .
• Forecast system demands and recommends upgrades, expansions and reconfigurations.
• Perform automated computing environment builds, site setup, user training, hardware/software installation, maintenance and support and documentation of operating procedures and processes
• Support VMware environment including changes, adding/removing systems, and disk space management.
• Troubleshoot hardware and software problems, takes appropriate corrective action and/or interact with IT staff or vendors in performing complex testing, support, server recovery, and troubleshooting functions.

Qualifications:

• Extensive knowledge of Linux operating systems, Linux shells and standard utilities, and common Linux security tools
• In depth system administration knowledge and skills for RedHat Linux. Knowledge of Amazon Linux is a plus.
• Experience with using Github or other version control tools for source code management
• Experience using configuration management tools such as Puppet, Chef, or Ansible and container tools such as Docker
• Ability to write and maintain automation code and scripts and IaaS/Infrastructure as code, such as Terraform
• Experience with DevOps activities and using CICD pipeline software to deploy code
• Working knowledge of cloud components and services in AWS or Azure.
• System administration experience and knowledge of VMware and administration of virtual Servers
• Grub, PXE boot, Kickstart
• Yum, rpms, Satellite server
• SVM, LVM, Boot from SAN, UFS/ZFS, filesystem configuration
• General working knowledge of NAS, SAN, and networking
• Experience with Github, Ansible, Jenkins and Terraform tools/applications
• Knowledge or experience with DevOps, OpenShift, AWS cloud, or other similar technologies is desirable
• Bachelor's Degree
• Six or more years of experience in Linux systems installation, operations, administration, and maintenance of physical and virtualized Servers
• Two or more years of experience in DevOps