Sr Systems Administrator jobs in United States
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MedRisk ยท 6 hours ago

Sr Systems Administrator

positionCA, US
timeFull-time
remoteHybrid
senioritySenior Level
money$125K/yr - $145K/yr
date5+ years exp

MedRisk is seeking a Senior Systems Administrator / DevOps Engineer to support and evolve a Linux-based production environment. This role involves hands-on systems administration, infrastructure reliability, and platform automation, ensuring the performance and security of business-critical applications.

Hospital & Health Care
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H1B Sponsor Likelynote

Responsibilities

Administer and maintain Linux production and corporate systems (RHEL-compatible distributions including RHEL, Rocky Linux, and CentOS; plus BSD variants)
Support legacy and modern web application platforms, including Java- and Node-based services, traditional web stacks, and middleware
Operate and maintain virtualized and clustered infrastructure (VMware, Proxmox, oVirt, Ceph)
Automate provisioning, configuration, and maintenance using Ansible, Puppet, and scripting
Deploy and support containerized and service-based workloads (Docker; Kubernetes exposure a plus)
Monitor system health, performance, and availability; troubleshoot and resolve production incidents
Own system and network security including patching, firewalls, certificates, and access controls
Work with networking and storage technologies (NGINX, HAProxy, SMB/NFS/iSCSI, VPNs)
Collaborate with developers to improve deployment pipelines, operational stability, and scalability
Maintain documentation, runbooks, and operational standards
Participate in after-hours/on-call support as needed

Qualification

Linux administrationDevOps practicesAutomation AnsibleAutomation PuppetContainerization DockerContainerization KubernetesVirtualization VMwareVirtualization ProxmoxNetworking technologiesScripting (Bash)Self-directedCommunicationDetail-oriented

Required

5+ years experience administering Linux production environments, preferably RHEL-compatible systems
Strong troubleshooting across systems, networking, storage, and applications
Experience supporting legacy and modern web applications in operational environments
Scripting experience (Bash or similar)
Familiarity with DevOps practices: automation, monitoring, CI/CD awareness
Strong communication skills and ability to collaborate across engineering teams
Self-directed, detail-oriented, and comfortable owning production systems

Preferred

Kubernetes or cloud-native experience
High-availability or clustered database experience
Linux, networking, or virtualization certifications

Company

MedRisk

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Founded in 1994 and headquartered in Conshohocken, Pennsylvania, MedRisk was established with a mission to revolutionize physical rehabilitation for workers' compensation patients.
dateFounded in 1994
location
Conshohocken, Pennsylvania, US
people-size1001-5000 employees
web-link
http://www.medrisknet.com

H1B Sponsorship

MedRisk has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2021 (2)

Funding

Current Stage
Late Stage

Leadership Team

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Srivatsan Sridharan
Chief Executive Officer
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Kenneth Martino
Chief Financial Officer
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Company data provided by crunchbase