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 of recovery procedures.

• Support data protection technologies including immutable storage cyber vaults air-gapped solutions replication and ransomware recovery capabilities.

• Assist in defining and executing enterprise data retention and recovery strategies.

Collaboration & Leadership

• Lead technical projects and work efforts involving multiple infrastructure and application teams.

• Serve as an escalation point for complex technical issues and operational incidents.

• Develop and maintain technical documentation standards procedures architecture diagrams and knowledge articles.

• Mentor junior administrators and engineers while promoting operational excellence and knowledge sharing.

• Partner with vendors and technology providers to evaluate solutions and resolve technical challenges.

• Contribute to strategic planning and long-term infrastructure roadmaps.

Operational Support

• Participate in scheduled maintenance activities and change management processes.

• Monitor platform performance capacity availability and operational health.

• Participate in 24x7 on-call support rotations for critical infrastructure services.

• Ensure adherence to service level objectives and operational best practices.

Additional Information: