Argonne is a multidisciplinary science and engineering research center, where “dream teams” of world- class researchers work alongside experts from industry, academia, and other government laboratories to address vital national challenges in clean energy, environment, technology, and national security.nnOur Argonne Leadership Computing Facility (ALCF) division is seeking an experienced Linux System Administrator to join their team.nnIn this role you can expect to:nnParticipate in the design, development, and advancement of the high-performance computing (HPC) environment of the ALCF.nnAssist with implementation, management, and administration of experimental and production networks.nnContribute ideas to the design and development of new systems and network tools.nnReceive on-the-job training and experience with High Performance Computing.nnWork in a hybrid environment with 2+ days onsite in Lemont, Illinois; with the ability to work fully onsite if preferred by the applicant.nnPosition RequirementsnnRequired skills and qualifications:nnKnowledge and expertise in Linux systems administrationnnExperience with installation, management, and use of software such as compilers, resource managers, and web applicationsnnKnowledge and experience in technologies such as TCP/IP and related protocols; networked file systems, including NFSnnKnowledge of system administration tools, and languages, such as Ruby, Python, C, and shell scriptingnnExperience with configuration management technologies, such as SaltStack and AnsiblennEffective problem solving skillsnnAbility to work effectively as a member of a teamnnFlexibility in handling assignments and working on several projects simultaneouslynnKnowledge and understanding of how to safely operate within a datacenter, including tasks such as mounting and unmounting server hardwarennAbility to handle physical labor of installing racks and servers in a datacenternnAbility to lift up to 20 pounds independently and upwards with additional help from othersnnAbility to model Argonne’s core values: impact, safety, respect, integrity and teamworknnTo perform the essential functions of this position successful applicants must provide proof of U.S. citizenship, which is required to comply with federal regulations and contract.nnPreferred skills and qualifications:nnKnowledge of or experience with Java, such as in support of systems like Jenkins, Kafka, or SparknnKnowledge of parallel and distributed file systems such as Lustre or GPFS, and their associated hardwarennKnowledge of HPC networking technologies such as Infiniband and SlingshotnnUnderstanding of MPI, and implementationsnnAbility to gather site requirements and represent them to design and development teams to find appropriate solutions across multiple sitesnnAbility to communicate and present ideas, status, design concepts, technical and user documentation, and decision analysisnnThis position can be hired at one of two levels, and the requirements for each are as follows:nnPT2: Bachelor's degree and 2+ years of experience, or equivalentnnPT3: Bachelor's degree and 4+ years of experience, or a Master's degree and 2+ years of experience, or equivalentnnJob FamilynnProfessional Technical (PT)nnJob ProfilennSystems Integration Admin/Support 2nnWorker TypennRegularnnTime TypennFull timennAs 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.nnArgonne 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.nnAll 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.