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Employee
Administrative
RHEL administrator with Security Clearance
Lentech, Inc.Fort George G Meade, MD🇺🇸United StatesPosted 13 Jul 2026
Quick Overview
Work Type
Hybrid
Schedule
Employee
Level
Mid Senior
Job Description
Description: Creates, and maintains RedHat Linux virtual machines running in a cloud infrastructure (Amazon AWS).
Evaluates systems for IAVA compliance and applies necessary security updates/patches.
Performs command line system administration tasks on virtual machines.
Handles regular system backups and periodically tests backups for functionality.•
Communicates with developers and dev ops team members to provide system administration support.
Apply patches and upgrades.
Troubleshoot server issues.
Administer customer accounts
Deploy monitoring tools.
Deploy applications and tools.
Assist with escalated customer tickets.
Installation and cabling of equipment
Required: 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 working within a cloud environment a plus (Amazon AWS, Azure, or equivalent cloud infrastructure with virtual machines)
Experience or knowledge of RedSeal Network Mapping tool a plus
Knowledge of software deployed on systems a plus but not required (Elasticsearch, Docker, Kubernetes, Nifi)
Desired :Syslog/NxLog
Nagios or other similar monitoring applications
Scripting experience (Python/Perl) Education:
Ten (10) years of experience as an SA
Bachelor’s degree in a technical discipline from an accredited college or university is required.
Five (5) years of additional SA experience may be substituted for a bachelor’s degree
Evaluates systems for IAVA compliance and applies necessary security updates/patches.
Performs command line system administration tasks on virtual machines.
Handles regular system backups and periodically tests backups for functionality.•
Communicates with developers and dev ops team members to provide system administration support.
Apply patches and upgrades.
Troubleshoot server issues.
Administer customer accounts
Deploy monitoring tools.
Deploy applications and tools.
Assist with escalated customer tickets.
Installation and cabling of equipment
Required: 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 working within a cloud environment a plus (Amazon AWS, Azure, or equivalent cloud infrastructure with virtual machines)
Experience or knowledge of RedSeal Network Mapping tool a plus
Knowledge of software deployed on systems a plus but not required (Elasticsearch, Docker, Kubernetes, Nifi)
Desired :Syslog/NxLog
Nagios or other similar monitoring applications
Scripting experience (Python/Perl) Education:
Ten (10) years of experience as an SA
Bachelor’s degree in a technical discipline from an accredited college or university is required.
Five (5) years of additional SA experience may be substituted for a bachelor’s degree
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