Principal Associate, Linux Administration
4 weeks ago
Chicago, IL (Loop) - Onsite 3 days per week
Position Summary:
Under supervision, you'll be performing activities and providing team leadership to support a large, complex Linux based computing environment and an increasing transition to Linux infrastructure in AWS. Additionally, you'll assist in driving "infrastructure as code" mentality throughout the organization and demonstrate a passion for automation concepts and tools.
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 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 (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
- 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.
Required:
- 6+ years of experience in Linux systems installation, operations, administration, and maintenance of physical and virtualized servers
- 2+ years of experience with Kubernetes during DevOps (ideally EKS)
- Experience with Amazon Linux technologies (AMI, EC2, and/or ECS)
- Extensive knowledge of Linux operating systems, Linux shells and standard utilities, and common Linux security tools
- Extensive Red Hat Linux administration experience
- Ability to write and maintain code and scripts to automate tasks and manage infrastructure as code (IaC) with Terraform.
Nice to have:
- Experience with AWS or Azure
- Experience with GitHub, Ansible, Jenkins and Terraform tools/applications
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