Note: The job is a remote job and is open to candidates in USA. University of Iowa Research is seeking a Senior Linux Systems Administrator to support enterprise infrastructure for healthcare, research, academic, and business applications. The role leads Linux platform administration, automation, security, backup and recovery, disaster preparedness, modernization initiatives, and cross-team technical projects across on-premises and hybrid cloud environments.
Responsibilities
- 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
- 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
- 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
- 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
- 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
- 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
Skills
- Bachelor's degree in Computer Science, or related field; or an equivalent combination of education and experience in a related field
- 5-7 years of progressively responsible experience administering enterprise Linux systems
- Demonstrated expertise with Linux operating system administration, troubleshooting, performance analysis, and automation
- Experience supporting mission-critical production environments requiring high availability and operational reliability
- Strong experience with shell scripting and automation tools
- Experience with enterprise storage technologies, including SAN and NAS environments
- Demonstrated experience with backup/recovery tool(s), and knowledge of disaster recovery and business continuity procedures
- Experience supporting healthcare, academic medical centers, research computing, or highly regulated environments
- Experience with Red Hat Enterprise Linux, Ubuntu, and enterprise Linux lifecycle management
- Experience with Ansible Automation Platform and Infrastructure-as-Code methodologies
- Experience with container platforms including Docker, Kubernetes, OpenShift, or AKS
- Experience supporting hybrid cloud environments including Microsoft Azure and AWS
- Experience with enterprise monitoring platforms such as Zabbix, Nagios, Splunk, or similar solutions
- Experience with enterprise backup and cyber recovery solutions including Cohesity, Dell PowerProtect Data Manager (PPDM), Dell Data Domain, Avamar, IBM Storage Protect, or equivalent technologies
- Knowledge of immutable backup architectures, cybersecurity recovery controls, and ransomware recovery strategies
- Experience supporting enterprise storage solutions including Dell PowerScale (Isilon), PowerStore, PowerMax, NetApp, or equivalent platforms
- Familiarity with Epic infrastructure requirements and healthcare application platforms
- Linux certifications such as RHCSA, RHCE, RHCA, LFCS, LFCE, or equivalent
- Experience leading infrastructure modernization, cloud migration, or large-scale platform transformation initiatives
Benefits
- This position is eligible for remote work within Iowa
- 24 days of paid vacation per year to start
- Paid sick leave
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