Linux System Administrator
Core
Administer and maintain Red Hat OpenShift container platforms and Linux environments supporting mission-critical applications for NASA's ISS and Artemis programs.
Role type
Senior Linux System Administrator (Container Orchestration)
Builds
High-availability container platforms and Linux infrastructure for aerospace and defense operations.
Domain
Aerospace & Defense / Container Orchestration / Linux Systems
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Red Hat OpenShift administration, Linux (RHEL) system administration, Ansible automation, Bash scripting, Terraform (IaC), GitOps workflows, cluster monitoring, security hardening, performance tuning, backup/recovery, root cause analysis
Preferred skills
Red Hat certifications (RHCSA/RHCE/OpenShift), AWS familiarity, Prometheus/Grafana monitoring, hybrid/on-premises environment experience, DevOps practices
Technologies
Red Hat OpenShift, RHEL, Ansible, Ansible Automation Platform, Terraform, GitLab, Prometheus, Grafana
Responsibilities
Administer and maintain Red Hat OpenShift platforms including cluster monitoring, user management, resource allocation, patching, upgrades, and troubleshooting; Perform advanced Linux system administration tasks including installation, configuration, security hardening, performance tuning, backup/recovery, and log management; Develop and execute automation scripts and playbooks using Ansible to automate repetitive administrative tasks, configuration management, deployments, and system maintenance; Support end users and application teams by resolving daily operational issues related to OpenShift and Linux systems; Document system configurations, operational procedures, runbooks, and troubleshooting guides; Implement and support Infrastructure as Code (IaC) practices using tools like Terraform for consistent provisioning and configuration management; Monitor system performance and health, respond to alerts and incidents, conduct root cause analysis, and apply fixes to maintain reliability, security, and compliance; Collaborate with developers, DevOps teams, and stakeholders to integrate OpenShift support with application deployments and resolve cross-team operational challenges
Seniority
Senior, hands-on IC