Sr. Linux System Administrator, RHEL, Top Secret ...

DeVine is a leading provider of Technical and Scientific solutions for Federal, State and commercial clients. Our company is looking for a Senior Linux System Administrator to join DeVine in beautiful Monterey California. Current Top Secret Clearance is required and, due to the nature of our client base, only U.S. Citizens may be considered. Team DeVine and the Senior Linux System Administrator will upgrade Linux clusters from RHEL 6 to RHEL 8. The Red Hat Enterprise Linux Operating Systems correspond to alpha/beta/operations environments for unclassified and secret domains. Our team will provide authoritative advice to government technical staff & officials, and conduct investigations that may require the use of new techniques. This long term project includes planning, analysis, documentation and artifact creation, as well as system configuration, software installation, porting assistance, cyber security compliance configuration, maintenance, including patch management, optimization, and file system support on HPC (High Performance Computing / Supercomputing) and virtualized environments. If your experience is relevant to the requirements below and you''d enjoy working in Monterey California area then please apply! Duties: * Work with customer base for minor Cluster re-configurations based on migration from RHEL 6 to RHEL 8 and between network boundaries* Install, configure, and operationalize an optimized InfiniBand network allowing execution of government developed HPC applications* Install, configure and setup a working operational environment for the Red Hat Satellite product to allow a RHEL 8 HPC Cluster node-management solution * Implement Ansible Configuration Management across the RHEL 8 HPC Cluster * Implement the RHEL 6 Package Management capability into the RHEL 8 HPC Cluster environment* Ensure the continued operations and maintenance of HPC and virtualization hardware* Allow a cluster managed solution for the HPE Performance Cluster Manager SW product to install, configure and setup a working operational environment* Install, configure and setup a working operational environment to allow a RHEL 8 HPC Cluster the ability to provide workload management and job scheduling for HPC applications* Install, configure, and verify operationalization of back up ability for the IBM Spectrum Protect product * Maintain RHEL 8 HPC Cluster environments per Cyber Security directives including monthly patch updates* Install, configure, and establish functional environment to allow Red Hat Identity Management, with Public Key Infrastructure, to provide a centralized and unified way to manage identity stores, authentication, policies, and authorization policies in a Linux-based domain Preferred experience: * 10+ years'' with HPC and/or Virtualization technologies and processes in support of UNIX/Linuxtype operating systems* 5+ years'' with HPC and/or Virtualization Maintenance and troubleshooting procedures, and user interfaces* 5+ years'' (in last 10 years) with virtual operating systems and components. (e.g., vSphere, and vCenter Server)* 5+ years'' with system administration functions at a production computer center consisting of clustered systems* 2+ years'' setting up benchmark tests to monitor system stability for determining methods to optimize and tune Linux Cluster systems HPC and virtualization performance* 2+ years'' writing comprehensive technical documentation targeted at various reader levels including users, operators, and system analysts* Automated policy configuration (e.g., CFEngine or Ansible)* Working at the system level with the main components of cluster computers and associated peripherals; differentiating between hardware and software problems on such systems* Node provisioning (e.g., Red Hat Satellite Server, Cobbler, ROCKS clustered computing)* Previous experience with RHEL upgrades, ideally to version 8, highly desired Credentials: * College degree in a related discipline preferred* CompTIA Security+ certification equivalent/higher required (IAT Level 2)* Current Red Hat Certified System Administrator (RHCSA), Red Hat Certified Engineer (RHCE) or Linux+ credentials desired, company reimbursable available* Current Top Secret clearance required About the position: Position Type: Full-time, Must be U.S. CitizenLocation: Monterey, CA Benefits: Medical, Dental, Vision, HSA, 401k, Life Insurance, Paid Holidays, Paid Sick Leave and Paid VacationCompensation: DOE Equal Opportunity Employer We are committed to a policy of assuring that all applicants for employment are recruited, hired and assigned on the basis of qualifications and merit without discrimination based on any protected classification, including, but not limited to, race, color, religion, sex, sexual orientation, national origin, veteran status, age, disability, handicap, marital status, or any other characteristic protected by applicable laws.

Created: 2025-09-06