Sr. Linux Engineer

Reporting to the Manager, High Performance Computing; the Sr. Research Systems Engineer participates in the design, development, implementation, and operations of Columbia s portfolio of high-performance computing services. The position collaborates with other CUIT technical teams and Columbia researchers to support research computing resources, including but not limited to high-performance computing (HPC) clusters, ensuring user requirements are met and planning ongoing improvements and modifications to these systems and services.

Responsibilities:

• Takes a primary role in the planning and design of research computing services.
• Investigates new and emerging technologies, evaluating usefulness to Columbia researchers and making recommendations for future services.
• Interacts with Columbia researchers on various topics, including (but not limited to) the use of existing services, service policies, and research requirements.
• Takes a primary role in HPC system troubleshooting including coordinating with users, vendors, and other CUIT departments to resolve system problems.
• Manage storage systems.
• Resolves incidents and service requests.
• Administration of systems in the research computing infrastructure, including the installation and management of configuration, monitoring, and notification tools, as well as basic network administration.
• Assists in the creation and maintenance of user documentation.
• Interacts with vendors, assessing products and making purchasing recommendations.
• All other duties as assigned.

Minimum Qualifications:

• Bachelor s degree or equivalent experience required.
• Minimum 4-6 years related experience.
• 4 years of Linux/Unix experience.
• Prior experience in programming, software development, or system administration.
• Excellent written and verbal communication skills.
• Demonstrated ability to work in a fast-paced, deadline-driven environment.
• Demonstrated excellence in a variety of competencies including teamwork/collaboration, analytical thinking, communication and influencing skills, and technical expertise.
• Ability to work with changing priorities and with multiple projects.
• Ability to be precise and attentive to detail is essential.
• Ability to work with minimal supervision.
• Ability to work weekends and off-hour work on occasion.

Preferred Qualifications:

The following qualifications are not requirements, but highly advantageous. We will provide on-the-job training in High Performance Computing (HPC) and related topics to individuals who are otherwise skilled and motivated.

• Experience with Linux system administration, particularly Red Hat (7, 8).
• Experience with SLURM or other workload management services.
• Experience with Bright (Base Command Manager), OpenHPC, SGE, Confluent, or other clusterware.
• Knowledge of GPFS, Lustre, ZFS, NFS, or other network or parallel file systems.
• Familiarity with Ansible, Puppet, or other Linux configuration management tools.
• Familiarity with other HPC components, such as Infiniband network and GPU.
• Experience with Shell scripting and Python.
• Experience with version control systems, such as Git, and monitoring tools like Grafana or Nagios.
• Familiarity with HPC programming technologies (such as MPI, OpenMP, or CUDA).
• Familiarity with other HPC technologies (such as Infiniband, or GPU, and DDN appliance).
• Familiarity with JupyterHub.
• Familiarity with standard programming languages (such as C, C++, Fortran, or Java).
• Knowledge of TCP/IP.
• Familiarity with statistical tools (such as R) or mathematical tools (such as Matlab).
• Knowledge of technology, applications, and interfaces designed to support research, such as Globus.

Equal Opportunity Employer / Disability / Veteran

Columbia University is committed to the hiring of qualified local residents.

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