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Senior Linux Administrator

Request Technology - Craig Johnson

Posted on Jan 14, 2022 by Request Technology - Craig Johnson

Coppell, TX 75019
IT
Immediate Start
$100k - $120k Annual
Full-Time

*Position is bonus eligible*

Prestigious Financial Company is currently seeking a Senior Linux Administrator. Candidate will support a large, complex Linux based computing environment and an increasing transition to Linux infrastructure in AWS. Assist in driving infrastructure as code mentality throughout the organization and demonstrate a passion for automation concepts and tools. Utilize customer service skills while acting as a technical resource to internal departments and system users. Use technical skills to proactively put scripts and documentation in place to comply with current standards.

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
  • 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.
  • 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.
  • Assist with development and testing of changes needed to maintain DR environment
  • Use change management process
  • Comply with all audit, compliance, and regulatory requirements
  • Attend meetings as a team representative
  • Support on call, weekend and off hours work as needed
  • Perform other duties as assigned

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
  • 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

Education and/or Experience:

  • 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

Reference: 1462347808

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