Senior Linux Administrator

Job Information

Job Summary:

The University of Chicago is seeking a highly qualified Sr. Linux System Administrator to join its system and operation team that builds and manages RCC HPC systems and facility operations. The individual in this position will be involved in the procurement and management of hardware and software.

Responsibilities:

Implementing and updating continuous integration and automation tools
Installing, configuring, and maintaining computer clusters/servers and software.
Day-to-day operations of the systems including systems administration, monitoring and storage performance up to and including network components.
Management of the system’s network switch, parallel file system and software stack and tools.
Configuration of the scheduling and queuing system.
Diagnosing and resolving system operational problems quickly and effectively.
Coordinating with vendors to resolve hardware and software problems.
Assist users with access and other help desk ticket requests or issues.
Building and deploying open source software and software from vendors/partners.
Providing reliable and efficient backups/restores for all managed systems.
Maintaining and monitoring the security of the HPC systems and servers.
Documenting system administration procedures for routine and complex tasks.
Other duties as assigned.

Competencies:

Excellent interpersonal, verbal, written, and presentation skills required.
Ability to identify and gain expertise in appropriate new technologies and/or software tools.
Ability to function as part of an interactive team while demonstrating self-initiative to achieve project’s goals and Research Computing Center’s mission required.
Strong analytical skills and problem solving ability required.
Ability to work well with faculty and researchers required.

Additional Requirements

Education and Experience:

Master’s degree required. Preferably in Computer Science or related field.
A minimum of three years of full time Linux system administration experience in a large distributed computing environment required.

Technical Knowledge or Skills:

Experience provisioning Linux operating systems required.
Experience with configuration management and automation tools, such as Ansible, Puppet or Chef required.
Experience with deployment and code promotion best practices required.
Experience troubleshooting hardware and software issues required.
Understanding of layer 2 and 3 networking required.
Familiarity with docker container management and orchestration and platforms like Kubernetes or Rancher strongly preferred.
Knowledge of SAN storage systems required.
Experience with shared storage arrays and distributed file systems, such as Ceph or GPFS, strongly preferred.
Experience with scripting languages, such as Python, Perl and/or Bash required.
Experience configuring, installing, tuning and maintaining scientific application software preferred.
Scientific programming experience preferred.
Experience configuring, installing, maintaining and/or using performance monitoring and optimization tools preferred.
Strong interest in open source technologies and high performance computing preferred.