Senior Systems Administrator

Columbia University - New York, NY4.1

Full-time
Reporting to the Executive Director of Information Technology in the Computing Research Facilities ("CRF") group, the Senior Systems Administrator provides technical expertise to CRF staff and systems advice to 42 faculty, 25 adjuncts, 10 administrative staff members, as well as over 1300 students of the Department of Computer Science. In cooperation with key stakeholders, the incumbent will play a key technical role in the design, implementation, and support of the computing infrastructure for the department, including network storage, grid computing, lab compute servers, backups, VoIP and infrastructure services such as web servers, DNS and DHCP. Other responsibilities include helping to secure departmental data and systems against external attacks; designing reliable and recoverable systems and services; and, in cooperation with University technical staff, analyzing network performance and security issues using a variety of network analysis tools.

Minimum Qualifications for Grade
Applicant MUST meet these minimum qualifications to be considered an applicant

Bachelor's degree and/or its equivalent required; minimum of four years of related experience required.

Extensive experience configuring, securing and administering Linux and other Unix variants; experience with managing DNS and DHCP, network and network security. Experienced in using network monitoring tools and diagnosing and distinguishing between hardware problems, software problems, and network issues.

Thorough understanding of Unix based software service programs/services such as Apache, DHCP, DNS/Bind, LDAP, SMB. Experience with network storage systems and RAID disk arrays, and an understanding of fundamentals necessary to secure network resources is required.

Experience in implementing and supporting large scale network transitions with fall-back contingency plans. Ability to program and debug in shell, C, Python and other programming languages. Experience in setting up automated Unix system installation and upgrades. Familiarity with configuration management systems such as Ansible, Chef, or Puppet. Expertise in writing and modifying software for ongoing infrastructure development, e.g., account management. Experience working with both novice and knowledgeable users.

Positive, forward-thinking, mission-oriented attitude and sense of humor a must.

Additional Position-Specific Minimum Qualifications
Applicant MUST meet these minimum qualifications to be considered an applicant

Special Instructions

Preferred Qualifications

Essential Functions

(35%) Under the strategic guidance of the Executive Director of IT, takes a central role in designing, building, and managing the computing infrastructure for the Department, including network storage, grid computing, lab compute servers, backups, VoIP and infrastructure services such as web servers, DNS and DHCP.

(20%) Implements computing architecture in close collaboration with CRF staff. Provides technical supervision throughout the implementation processes.

(15%) Develops and improves system software written in shell, C, Python, and other programming languages.

( 10%) Assists the Executive Director in maintaining the security of departmental data and systems against external attacks; responsible for designing reliable and recoverable systems and services. Analyzes network performance and security issues, using a variety of network analysis tools, in cooperation with University technical staff.

(10%) Make equipment recommendations to both faculty and staff. Make infrastructure upgrade proposal for short term and long term plans.

( 10%) Installing and removing systems from standard data center racks and other locations.Performs other tasks, duties, projects, and responsibilities as assigned.

Additional Essential Functions (Limit to 3950 characters.)

Special Indications

This position works with:
HIPAA Compliance training required

No Response

Participation in Medical Surveillance required

No Response

What type of posting? Is this a waiver request?

Standard Posting

Requisition Open Date

04-20-2018

Requisition Close Date

Open Until Filled

Quick Link

jobs.columbia.edu/applicants/Central?quickFind=168733