Sr Systems Administrator

Columbia University New York , NY 10007

Posted 2 months ago

  • Requisition no: 506510

  • Work type: Full Time

  • Location: Medical Center

  • School/Department: Neurology

  • Grade: Grade 105

  • Categories: Information Technology

Position Summary

The ideal candidate will be effective in the administration of systems and the managing infrastructure team personnel. The candidate will be reporting to the Director of IT and will assist with technical direction and the research of new technologies. The candidate will require experience in system design and implementation requiring a high level of technical expertise in a variety of technical disciplines such as; high-performance computing, enterprise storage systems, and data center management. The candidate will also be responsible for advising desktop personnel on security, storage, and system management issues, to help ensure high-quality desktop support services.


The ability to adjust to rapidly changing technical requirements is essential, as is willingness to assume high level responsibilities and to take initiatives. Ability to multi-task, solve complex problems and work well with various external groups is crucial. Strong interpersonal and communications skills are required. The physical ability to install rack mounted servers and other equipment within the datacenter is required. Ability to handle off-hours, on-site support calls.

Must possess the following technical skills:

  • Work closely with the IT Director to research and architect new solutions. Propose designs for review and assist the IT Director with implementing proposed technical designs. Assist Principle Investigators (PI) with technical details for their grant applications.

  • Carry out technical projects assigned by the IT Director to completion. Projects may include HPC cluster installation and configuration, working with the storage systems, upgrading existing Windows and Liunx systems as well as implementing new technologies.

  • Oversee the technical design, maintenance and support of high-performance compute (HPC) cluster. This responsibility includes HPC networking to ensure inter-node connectivity and user connectivity, respond to ISO system security scan reports and provide remediation to all vulnerabilities reported. Monitor HPC cluster jobs and coordinate version updates, the use of programming languages/scripts to automate tasks and provide HPC user support.

  • Provide escalated technical guidance to junior systems administrators and desktop personnel.

  • The position entails some user and vendor interaction as well as reporting, instruction, system alarm investigation and documentation. The candidate will operate as a member of the IT Infrastructure team and must be a team player. Some off-hours coverage will be required.

  • Additional related responsibilities as assigned by the Director of IT.

Minimum Qualifications

  • Bachelor's degree or equivalent experience, plus at least four years of related experience.

  • Experience in high-performance computing and big data environments.

  • Excellent written and verbal communications skills.

Preferred Qualifications

  • Knowledge of system design and implementation related to Active Directory, distributed computing, enterprise storage, system virtualization and networking.

  • Knowledge of Active Directory domains and LDAP.

  • Knowledge of Linux (Ubuntu, Debian), common *NIX services, and Shell scripting.

  • Knowledge of TCP/IP networking, network security, and DNS.

  • Knowledge of SAN and NAS services (iSCSI, NFS, CIFS).

  • Knowledge of MS Windows server to provide infrastructure support to desktop personnel and System Administrators.

  • Experience with data center management including power & cooling systems, on-call datacenter support, data center CORE network design and support.

Equal Opportunity Employer / Disability / Veteran

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

Applications open: Feb 14 2020 Eastern Standard Time Applications close:

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Sr Systems Administrator

Columbia University