Senior Systems Administrator

ASRC Federal is searching for a Staff HPC Engineer to support InuTeq LLC out of NASA AMES, CAASRC Federal, InuTeq proudly supports NASA's High-Performance Computing Services program with our site in Mountain View, CA at the Ames Research Center. Make a DIFFERENCE on a program that supports 4 On-site Supercomputers totaling ~9,000 nodes and 25+ combined petaflops. This program provides High-Performance Computing services throughout the HPC lifecycle for computational requirements, architecture, acquisition, to our NASA customer. Our employees embrace innovation and are committed to a culture of continuous, standards-driven process improvement, and assimilation of industry best practices.Summary: The successful candidate will be an active supporting member of the ASRC Federal team reporting directly to the Manager of the HPC Computer Systems and Storage (CSS) group.An individual at this skill level should have demonstrated Linux administration experience as well as working knowledge of HPC operations while contributing to the support of users of HPC resources on the various issues they might have getting jobs to run efficiently. This individual will be expected to participate in all aspects of HPC System Administration that includes such activities as installing, maintaining, and upgrading HPC systems. The individual, along with the entire HPC team, will be engaged in the day-to-day operations and support of the HPC resources. Activities may include system patching, OS upgrades, deploying new systems, writing scripts, and troubleshooting system issues on the HPC system. The ability to interact with users to determine symptoms and then reproduce their issues to isolate the causes is critical skills for this work. There may also be activities supporting testing, benchmarking, tool scripting, and analyzing trouble tickets to find patterns indicating system or user education issues.Duties and Responsibilities:

Maintains HPC clusters with over 2000+ nodes with InfiniBand, 100+ petabytes of data storage in production.Designs and develops scripts for system administration, monitoring and usage reporting.Modify existing software to correct errors and/or improve performanceDesigns and develops scripts for system regression test and performance (file systems (Lustre), scheduler (PBS), interconnect (HDR/NDR, Slingshot, ), high availability, etc.).Troubleshoots, isolates and resolves application, system and other technical problems (hardware, software, and network).Understands research use cases, researches and deploys new technologies, defining cost, performance and other trade-offs.Manages and maintains tools for configuration management (HPCM, Ansible & GIT), resource management, scheduling and all necessary aspects of HPC in accordance with best practices.Researches, deploys and manages networking and security infrastructure, including development of policies and procedures.Assists in developing and writing proposals and publications.Creates and provides clear documentation.After hours/weekend support as requiredModerate Supercomputing System Administration that contributes to:

Day-to-day operations of the Linux HPC clusters and storage systemsProactive monitoring, analyzing, and correct system issuesDevelopment of scripts to automate repetitive tasks or tools to enhance support of the HPC systemsSystem performance analysis and tuningBuilding, installing, and supporting user-requested softwareSupporting evaluation and assessment of new HPC technologyResolving user report issues and managing support tickets requests in Remedy

Requirements:

Bachelor's degree in computer science or related fieldStrong computer science background with in-depth systems-level knowledge in operating systems and networkingA minimum of 5 years' experience of administration of Linux systemsStrong ability to analyze, debug and maintain the integrity of an existing code baseDemonstrated equivalence of 5 years of Linux/UNIX user support experience and hands-on experience with administration of Linux systemsSuperior scripting skills and excellent attention to detail; proficiency in at least Python, Perl, or BashStrong ability to interact with customers to understand needs, elicit requirements, and get feedback on prototype solutionsExcellent communication and people skills; excellent time management and organizational skillsExperience with system configuration management tools e.g. , ansible, puppet, chefExperience with revision control software e.g. CVS, SVN, GitProficiency at technical writing

Preferred Skills (Requesting Manager Defines):

Proficiency with analysis and problem-solving skills for debugging and optimization of applicationsFamiliarity/proficiency with OpenMP and Message Passing Interface (MPI) programmingExperience with Lustre, and InfiniBandExperience with cloud technologies (AWS, Azure, GCP), OpenStack or Kubernetes is a plus