RHEL Systems Administrator - Cloud, Patching & Backups

Lentech Inc.; Linthicum (MD); On-site; USD 150,000 - 160,000; Full time

Job summary

Lentech, Inc. is seeking a senior System Administrator to maintain RedHat Linux VMs in AWS, apply patches, and support cloud infrastructure for federal and commercial customers. The role requires active TS.SCI clearance and extensive Linux experience.

You will collaborate with developers and DevOps, deploy monitoring tools, handle backups, and assist with escalated tickets while installing and cabling equipment as needed.

Qualifications

• Active and current TS.SCI w FSP through MD.
• Linux command line system administration (CentOS, RedHat, Amazon Linux, or equivalent).
• Experience applying system updates via yum or equivalent patching repository.
• Experience with cloud environments (Amazon AWS, Azure, or equivalent).
• Experience or knowledge of RedSeal Network Mapping tool is a plus.
• Knowledge of Elasticsearch, Docker, Kubernetes, Nifi is a plus.

Responsibilities

• Create, and maintain RedHat Linux VMs in cloud infrastructure (AWS).
• Perform system administration tasks on VMs via command line.
• Manage regular backups and test restore procedures.
• Collaborate with developers and DevOps teams to provide system support.
• Apply patches and upgrades to systems.
• Troubleshoot server issues and resolve incidents.
• Manage customer accounts and deployment environments.
• Deploy monitoring tools and deploy applications and tools.
• Assist with escalated customer tickets.
• Install and cabling of equipment.

Skills

TS.SCI w/ FSP

Linux administration

Patching (yum)

Cloud environments

RedSeal

Docker

Kubernetes

Nifi

Elasticsearch

Education

Bachelor’s degree in a technical discipline

Tools

Docker

Kubernetes

Elasticsearch

Nifi

RedSeal

AWS

Job description

Lentech, Inc. is seeking a senior System Administrator to maintain RedHat Linux VMs in AWS, apply patches, and support cloud infrastructure for federal and commercial customers. The role requires active TS.SCI clearance and extensive Linux experience.

You will collaborate with developers and DevOps, deploy monitoring tools, handle backups, and assist with escalated tickets while installing and cabling equipment as needed.