Senior Linux Administrator

Senior Linux Administrator

Salary: $100k-$120k + 10% bonus

Location: Hybrid role 2 days in-office, 3 days remote in either location

Chicago, IL/Dallas, TX

*We are unable to provide sponsorship for this role*

*Bonus Eligible*

A prestigious financial company is seeking a Senior Linux Administrator responsible for advanced system administration, operational support and problem resolution for a large complex Linux computing environment, including both virtualized and physical Servers

Qualifications

• Bachelor’s degree in Computer Science or a related discipline or an equivalent combination of education and work experience.
• Three or more years’ experience in Linux systems installation, operations, administration, and maintenance of physical and virtualized Servers
• 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 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
• Familiarity 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

Responsibilities

• Create and Patch AMIs, perform pull requests, write Automation code
• Perform Linux administration including changes, deletes, disk space management, application installation, and backup
• 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.

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