Senior Linux Systems Administrator
Position Summary: The Senior Linux Systems Administrator is responsible for the architecture, administration, automation, security, and lifecycle management of enterprise Linux platforms supporting critical healthcare, research, academic, and business applications. This role provides senior-level technical leadership for Linux infrastructure, ensuring high availability, operational excellence, cybersecurity compliance, and disaster recovery preparedness across on-premises, hybrid cloud, and healthcare application environments. The position requires extensive experience working collaboratively with infrastructure engineering, cybersecurity, cloud operations, storage, networking, DevOps, application teams, vendors, and organizational leadership to deliver reliable and scalable services. The Senior Linux Systems Administrator serves as a technical expert and trusted advisor, leading complex projects, driving modernization initiatives, developing automation strategies, and supporting enterprise backup, recovery, and cyber-resiliency programs. This position is eligible for remote work within Iowa and will require a work arrangement form to be completed upon the start of your employment. Per policy, work arrangements will be reviewed annually, and must comply with the remote work program and related policies and employee travel policy when working at a remote location . Position Responsibilities: Linux Platform Administration & Engineering - Design, deploy, administer, and support enterprise Linux platforms, including Ubuntu, Red Hat Enterprise Linux (RHEL), and other enterprise distributions. - Manage Linux operating system lifecycle activities including installation, patching, upgrades, performance tuning, security hardening, and retirement. - Administer enterprise services including authentication, identity integration, DNS, NTP, certificates, file systems, storage, and networking. - Implement and support Linux High Availability (HA) and clustering technologies to ensure critical application availability. - Troubleshoot complex operating system, application, storage, and infrastructure issues across multi-tier environments. - Support mission-critical healthcare applications including Epic and other clinical, research, and academic systems. - Manage enterprise storage integration, including SAN, NAS, software-defined storage, and cloud-based storage services. - Utilize Logical Volume Manager (LVM), file systems, and performance analysis tools to optimize platform performance and scalability. Automation, DevOps & Infrastructure Modernization - Develop and maintain automation solutions using Ansible, Python, Bash, PowerShell, or other scripting languages. - Implement Infrastructure-as-Code (IaC) and configuration management best practices. - Partner with DevOps and application teams to streamline deployments, configuration management, and operational processes. - Support containerized workloads using Docker, Podman, Kubernetes, OpenShift, AKS, or similar orchestration platforms. - Evaluate emerging technologies and recommend solutions that improve reliability, scalability, security, and operational efficiency. - Lead modernization initiatives involving cloud adoption, platform migrations, automation, and service transformations. Security, Compliance & Cyber Resilience - Implement and maintain Linux security hardening standards aligned with healthcare, regulatory, and cybersecurity requirements. - Collaborate with Information Security teams on vulnerability remediation, incident response, threat mitigation, and compliance initiatives. - Support privileged access management, auditing, endpoint protection, logging, and security monitoring solutions. - Participate in cybersecurity preparedness and resilience planning activities. - Maintain documentation and operational standards supporting regulatory and audit requirements. Backup, Recovery & Disaster Recovery - Design, implement, monitor, and maintain enterprise backup, recovery, and cyber-recovery solutions for Windows, Linux and related infrastructure platforms. - Collaborate with backup, storage, and security teams to ensure recoverability of critical healthcare and business systems. - Participate in disaster recovery planning, testing, and operational readiness exercises. - Validate backup integrity through regular recovery testing and documentation