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Specialist, Linux Administration

Summary:

Under supervision, perform activities and team leadership required to 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.

Primary Duties and 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:

  • Good consultative, communication, analytical, and judgment skills
  • Ability to work effectively with clients, technical staff, consultants and vendors
  • Ability to work well under pressure and within deadlines
  • Experience with disaster recovery testing and creating technical documentation
  • Ability to communicate well and perform as part of a team located in multiple cities

Technical Skills:

  • 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

Step 1
When you find a position you're interested in, click the 'Apply' button. Please complete the application and attach your resume.  

Step 2
You will receive an email notification to confirm that we've received your application.

Step 3
If you are called in for an interview, a representative from OCC will contact you to set up a date, time, and location. 

For more information about OCC, please click here.

OCC is an Equal Opportunity Employer

Apply About OCC
  • REQ-1884
  • Dallas, TX
  • Full Time Regular
  • Posted: Dec. 16, 2020

How to Apply

Step 1 - When you find a position you're interested in, click the 'Apply' button. Please complete the application and attach your resume.

Step 2 - You will receive an email notification to confirm that we've received your application.

Step 3 - If you are called in for an interview, a representative from OCC will contact you to set up a date, time, and location.

OCC is an Equal Opportunity Employer

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