The Argonne Leadership Computing Facility (ALCF) division within our Computing and Environmental Life Sciences (CELS) directorate is seeking an HPC Systems Administration Specialist to join their team. ALCF houses one of the world’s first exascale supercomputers named Aurora, its high computing speed and artificial intelligence capabilities will enable science that is impossible today. Aurora will be capable of delivering over 2 exaflops of computing power, or 2 billion-billion calculations per second. As an HPC System Administration Specialist, you can expect to: + Have researchers rely on your hardware and software expertise thereby contributing to research outcomes. + Design, implement, and manage world-class ALCF supercomputers, such as Aurora, with attendant supporting software and infrastructure, for use by open-science researchers. + Integrate, support, and document a diverse array of hardware and software at world-class scale. + Expertly support systems in a complex environment and work efficiently with other operations groups. **Position Requirements** Required qualifications and skills: + Interest in HPC simulation, emerging trends, and workflows, and be able to work directly with other systems administrators to ensure the continued operations, reliability, and sustainability of ALCF systems + Advanced knowledge of the Linux operating system + Knowledge of job-resource managers + Programming languages (e.g., Python, Go) + IB and Ethernet based networks + Compute interconnect principles + Configuration management tools such as Ansible or similar + Experience with version control platforms + To perform the essential functions of this position successful applicants must provide proof of U.S. citizenship and reside in the U.S., which is required to comply with federal regulations and contract. Preferred qualifications and skills: + HPC operations and user workflows + Software packaging, building software from source, and dynamic linking (e.g., RPM or Spack) + Software build tools (e.g., CMake, Make, or Autotools) + Compute virtualization stacks (e.g., Docker or Singularity) + Lustre parallel file systems + Data movement (e.g., Globus) + HPE/Cray HPC system administration This position can be hired at one of two levels, and the requirements for each are as follows: + PT2: Bachelor's degree and 2+ years of experience, or equivalent + PT3: Bachelor's degree and 4+ years of experience, or equivalent **Job Family** Professional Technical (PT) **Job Profile** Systems Integration Admin/Support 2 **Worker Type** Regular **Time Type** Full time _As an equal employment opportunity and affirmative action employer, and in accordance with our core values of impact, safety, respect, integrity and teamwork, Argonne National Laboratory is committed to a diverse and inclusive workplace that fosters collaborative scientific discovery and innovation. In support of this commitment, Argonne encourages minorities, women, veterans and individuals with disabilities to apply for employment. Argonne considers all qualified applicants for employment without regard to age, ancestry, citizenship status, color, disability, gender, gender identity, gender expression, genetic information, marital status, national origin, pregnancy, race, religion, sexual orientation, veteran status or any other characteristic protected by law._ _Argonne employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. You will be asked to disclose any such participation in the application phase for review by Argonne's Legal Department._ _All Argonne offers of employment are contingent upon a background check that includes an assessment of criminal conviction history conducted on an individualized and case-by-case basis. Please be advised that Argonne positions require upon hire (or may require in the future) for the individual be to obtain a government access authorization that involves additional background check requirements. Failure to obtain or maintain such government access authorization could result in the withdrawal of a job offer or future termination of employment._