Senior Linux Systems Administrator

Amazon Web Service, Linux administration, , Puppet, Ruby, Perl, Python, Univa Grid Engine(UGE), Git
Full Time
Experience based
Telecommuting not available Travel not required

Job Description

Senior Linux Systems Administrator

 How clever are you?   Are you a proponent of automated approaches to helping organizations grow? 


NCBI/NLM, part of the National Institutes of Health, has an immediate vacancy for a Senior Linux Systems Administrator at the NIH campus in Bethesda, MD. The successful candidate will operate, maintain, upgrade and troubleshoot a large (2,000 server) base of physical and virtual servers that provides medical and genomic information to cutting-edge researchers around the world in a high-visibility and high-availability system. There are other teams responsible for Storage, Security, Database, Networking and Hardware Infrastructure, so this position does not require primary responsibility in those areas, but knowledge and experience in these areas are expected.


Medical Science & Computing, LLC (MSC) is dedicated to providing scientific and technical services to the Federal Government. We have a long history of supporting the National Institutes of Health (NIH). MSC offers a dynamic and upbeat work environment, excellent benefits and career growth opportunities.


Medical Science & Computing, Inc. is searching for a Senior Linux System Administrator to support the National Institutes of Health (NIH). This opportunity is a full-time position with MSC and it is on-site at NIH in Bethesda, MD.


Duties and Responsibilities:

  • Hands-on provisioning of services, monitoring, upgrading hardware and software, configuration management, and understanding and maintaining peripheral services and software
  • Understand cloud architectures with respect to production, development and test environments with a requirement to support secure, robust NCBI services. Work closely with internal and external groups to ensure NCBI data and security integrity is being maintained when using AWS
  • Serve as primary administrator for many of NCBI’s cloud solutions; ability to bake cloud images and publish on platforms such as AWS and GCE
  • Take direction from the team lead and work within a team-environment to achieve organizational goals
  • Provide technical solutions to a wide range of problems and user requests through an established trouble ticketing system.
  • Develop and maintain custom tools in Puppet, Python, Perl, Ruby, and Bash to automate the UNIX infrastructure
  • Install, configure and maintain CentOS and associated applications in an automated Puppet environment
  • Perform standard administration tasks (packaging, OS installs, patch management)
  • Provide UNIX support to NCBI's internal developers and researchers.


Position Requirements:

  • Comfortable with the Linux or UNIX CLI
  • Resumes should include one to two paragraphs of prose for each position detailing a specific problem that the candidate took ownership for, the solution adopted and how it was implemented
  • Demonstrated significant experience in Linux Systems Administration (5+ years)
  • Highly versed in Linux administration and best practices
  • Knowledge of cloud technologies
  • Familiar with enterprise network architectures
  • Experience with automated configuration management (Puppet, Chef, etc… Puppet is preferred).
  • Fluency in programming/scripting skills for automation in at least two of Bash, Ruby, Python, and Perl
  • General understanding of Linux internals (system calls, file systems, processes, etc…)
  • General understanding of TCP/IP and related protocols (HTTP, FTP, NFS, etc…)
  • Familiarity with large, complex Linux environments
  • Comfortable dealing with users with varying levels of IT knowledge
  • Team player who is nevertheless able to work with minimum supervision.


Bonus Points

  • Experience in a large, highly available Linux environment

  • Experience with configuration management tools

  • Experience with Git

  • Experience supporting large web applications environment (we have 3.5 million users per day)

  • Knowledge of cloud technology such as AWS.

  • Experience supporting Univa Grid Engine (UGE).



Medical Science & Computing is an Equal Opportunity/Affirmative Action employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or protected Veteran status.





































Dice Id : 10412693P
Position Id : 828791
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