Principal Associate, Linux Administration

1872 Consulting

Principal Associate, Linux Administration
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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Vacancy posted 3 days ago

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