Linux Systems Administrator

Linux Sys Admin/DevOps Engineer (Systems Administrator 2)HII's Mission Technologies division has an immediate opportunity available for a Linux System Administrator/DevOps Engineer (Infrastructure Operations) located in Warren, MI. The ideal candidate will have experience administering Red Hat Enterprise Linux (RHEL) systems in a DoD RMF environment. The System Admin will build, operate, and automate Linux-based infrastructure that supports software development, build, and testing environments and maintain system integration lab infrastructure while automating repetitive operational work.This role requires on-site work in Warren, MI and cannot be performed remotely. Come support our work with Ground Vehicle Systems Center and join a high-performing team of engineers!Essential Job ResponsibilitiesDocument infrastructureDebug complex systems interactionsOwn end to end infrastructureContainers and Dev EnvironmentsBuild and maintain container imagesDebug containerized applicationsSupport build/test pipelines using containersUnderstanding of container networking and storageAutomation & Infrastructure as CodeWrite and maintain playbooks and rolesBuild idempotent infrastructure automationAutomate operational tasks and diagnosticsTroubleshoot performance, service failures, and networking issuesMinimum Qualifications3 years relevant experience with Bachelors in related field; 1 year relevant experience with Masters in related field; or High School Diploma or equivalent and 7 years relevant experience. Practical experience with Docker or OCI container ecosystems Experience administering Linux systems in production or engineering environments Strong experience with Linux system administration from the command line Strong hands-on experience administering enterprise Linux distributions (e.g., Ubuntu, RHEL, Rocky, Debian) Hands-on experience with Ansible automation Experience writing automation scripts in Bash and/or Python Familiarity with Git-based workflows for infrastructure code Experience troubleshooting system, networking, and service-level issue Expereince managing systems via CLI without reliance on GUI tools Experience with: systemd, networking configuration, storage and file systems, package management, SHH and secure remote administrators Needs to be able to be certified as an admin for Linux based on DoD requirements Ability to obtain and maintain a secret security clearance with the US DoD (must be a US citizen in order to obtain a clearance with the US Gov)Preferred RequirementsA secret security clearance with the US DoD Strong troubleshooting and root-cause analysis skills A mindset focused on automation and repeatability Comfort operating independently with minimal supervision Ability to collaborate effectively with software engineers A practical, hands-on approach to building and maintaining infrastructure Experience with AWS and deploying using terraform is a positive but not required Experience with Kubernetes is a plus but not required