Duties and Responsibilities: Maintain impeccable customer relations with a highly scientific and technical user baseDay to day operations of Linux systems and HCI clusters as part of a Tier 3 teamTier 3 operational escalation of supported services and documentationMaintain System in a PaaS Platforms-as-a-Service environmentDevelop and Manage for the Ansible/RHEL provisioning environmentProactively monitor, analyze and correct system issuesSystem performance analysis and tuningInter-team cooperation to continually develop implement DevOps strategy appropriate for the programServe as a senior escalation point; responsible for service ownership and project workLead projects using program defined project management best practices overseen by the Site Lead, Project Coordinator, and Infrastructure Systems ManagerMaintain systems with appropriate Service Level Agreements ranging from business hours, best-effort after-hours, and minimally designated 24x7 systemsEnsure all systems meet stringent NASA security requirementsCreate/maintain documentation and curate solutions repository to include, but not limited to internal wikis and knowledgebasesCo-own Tier 2 services and provide direct guidance and oversight to services such as Linux Workstation management, Mac management and seamless end-to-end integration with NASA agency services and HPC program resourcesOther duties as assigned. help desk, network team, software development, etc.) in addition to the aboveAbility and eagerness to quantify, analyze and resolve complex system issues5+ years demonstrated competency of provisioning and configuration management of medium size Linux environments using tools such as RHEL Satellite and AnsibleExperience with VMware administration and VMs; experience with computer hardwareAbility to work with system configuration management tools (e.g.