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.
