Ellumen, Inc. · 4 hours ago
Windows/Linux Cloud System Admin
United States
Full-time
Remote
Mid Level
$100K/yr - $120K/yr
3+ years expEllumen, Inc is seeking a Windows/Linux Cloud System Admin to provide operational and maintenance support for enterprise clinical data exchange applications in a cloud-based environment. The role involves day-to-day administration of Windows and Linux systems, ensuring reliability, security, and performance through proactive monitoring, patching, and incident response.
Health CareInformation TechnologyIT InfrastructureLogisticsSoftwareTraining
No H1B
U.S. Citizen Only
Responsibilities
Administer, configure, and maintain Windows Server and Linux systems (Red Hat, Ubuntu, Amazon Linux) supporting enterprise applications
Perform routine system maintenance including OS patching, vulnerability remediation, software installations, and configuration updates
Manage system services, startup scripts, scheduled tasks, cron jobs, and configuration baselines
Support file systems, storage utilization, system performance tuning, and capacity management
Validate and maintain system backups, snapshots, and recovery procedures
Monitor system health, resource utilization, and application availability using enterprise monitoring and logging tools (e.g., CloudWatch, Splunk, Nagios, or equivalent)
Review alerts and logs, analyze system behavior, and identify root causes of issues
Provide Tier 1 and Tier 2 operational support, including service restarts, system recovery actions, and connectivity troubleshooting
Participate in incident response activities and maintain operational runbooks and troubleshooting documentation
Apply system hardening, patching, and configuration standards aligned with CIS benchmarks and federal security requirements (RMF, FISMA, FedRAMP)
Support Authority to Operate (ATO) activities by maintaining compliant system configurations, patch baselines, and asset inventories
Work with cybersecurity teams to remediate vulnerabilities identified through scanning tools such as Nessus or Tenable
Ensure least-privilege access and proper credential management on Windows and Linux systems
Support systems hosted in AWS-based environments by maintaining compute instances, storage, and networking configurations as needed
Assist with system recovery, scaling activities, and environment maintenance using existing cloud tooling and processes
Collaborate with cloud engineers and developers to support application deployments and operational stability
Maintain system documentation including operating procedures, configuration standards, and architecture diagrams
Develop and maintain scripts for administrative tasks using PowerShell, Bash, or Python
Contribute to continuous improvement of monitoring, alerting, and operational processes
Qualification
Required
3+ years of experience as a Systems Administrator supporting production Windows and Linux environments
Strong hands-on experience with Windows Server and Linux OS administration, patching, and troubleshooting
Experience responding to system alerts and incidents in a 24x7 production environment
Familiarity with system monitoring and logging tools (Splunk, CloudWatch, Nagios, Datadog, or similar)
Working knowledge of scripting and automation (PowerShell, Bash, Python, Ansible)
Strong problem-solving skills and ability to operate under time-sensitive conditions
Preferred
Experience supporting systems hosted in cloud environments (AWS, Azure, or GovCloud)
Familiarity with VA or other federal enterprise IT environments
Understanding of federal security frameworks (RMF, FISMA, FedRAMP)
Experience supporting ATO-authorized systems
Linux (RHCSA/RHCE) or Microsoft Windows Server certifications
Active Public Trust or ability to obtain VA suitability clearance
Benefits
Comprehensive healthcare benefits
Company
Ellumen, Inc.
Ellumen, Inc. is a leading provider of innovative information technology solutions for healthcare.
51-200 employees
Funding
Current Stage
Growth StageLeadership Team
Daniel Wayland
Chief Technology Officer
John R. Leslie
CTO
Company data provided by crunchbase