Our Argonne Leadership Computing Facility (ALCF) division is seeking an experienced Linux System Administrator to join their team. In this role you can expect to: Participate in the design, development, and advancement of the high-performance computing (HPC) environment of the Argonne Leadership Computing Facility (ALCF) Assist with implementation, management, and administration of experimental and production networks Contribute ideas to the design and development of new systems and network tools Focus of this position will be on continuous integrations technologies compatible with the environment Receive on-the-job training and experience with High Performance Computing (HPC) Work in a hybrid environment with 2-3 days onsite in Lemont, Illinois 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. Position Requirements Required skills and qualifications: Understanding of the software development process and best practices with a focus on Continuous Integration Knowledge of Gitlab CI/CD, Gitlab Server and Gitlab Runner management Knowledge and expertise in Linux systems administration Expertise in installation, management, and use of software such as compilers, resource managers, and web applications Knowledge and expertise in technologies such as TCP/IP and related protocols; networked file systems, including NFS Knowledge of systems administration tools, and languages, such as Ruby, Python, C, and shell scripting Expertise in configuration management technologies, particularly SaltStack Effective problem solving skills Ability to work effectively as a member of a team Flexibility in handling assignments and working on several projects simultaneously Knowledge and understanding of how to safely operate within a datacenter, including tasks such as mounting and unmounting server hardware Ability to model Argonne’s core values: impact, safety, respect, integrity and teamwork Preferred skills and qualifications: Knowledge of parallel and distributed file systems such as Lustre and GPFS, and their associated hardware Understanding of MPI, and implementations Knowledge of HPC networking technologies such as Infiniband and Slingshot Ability to gather site requirements and represent them to design and development teams to find appropriate solutions across multiple sites Understanding of cloud authentication and integrations and IdP such as OAuth or SAML Ability to collaborate with a distributed team leveraging communication tools such as email, Slack, Confluence, and video conferencing and expected 4-6 travel events per year Ability to communicate and present ideas, status, design concepts, technical and user documentation, and decision analysis 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 a Master's degree 2 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. Please note that all Argonne employees are required to be vaccinated against COVID-19. All successful applicants will be required to provide their COVID-19 vaccination verification as a condition of employment, subject to limited legally recognized exemptions to COVID-19 vaccination.