RHEL Systems Administrator

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

Job summary

Lentech, Inc. is seeking a System Administrator to manage RedHat Linux virtual machines within a cloud infrastructure like AWS. Candidates must have an active TS.SCI clearance, extensive experience with Linux command line and cloud environments, and proficiency in scripting with Python or Perl. The ideal candidate will have a bachelor's degree in a technical field and at least ten years experience as a System Administrator. Competitive salary range of $150,000 to $160,000.

Qualifications

• Active TS.SCI with FSP through MD.
• Experience applying system updates via yum or equivalent.
• Proven experience or knowledge of RedSeal Network Mapping tool.

Responsibilities

• Creates and maintains RedHat Linux virtual machines.
• Evaluates systems for IAVA compliance and applies security updates.
• Troubleshoots server issues.

Skills

Linux command line system administration

Experience working within a cloud environment

Scripting experience (Python/Perl)

Syslog/NxLog experience

Nagios or similar monitoring applications

Knowledge of software (Elasticsearch, Docker, Kubernetes, Nifi)

Experience applying system updates

Education

Bachelor’s degree in a technical discipline

Ten years of experience as an SA

Tools

RedSeal Network Mapping tool

Amazon AWS

Job description

Responsibilities

• 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.
• Applies patches and upgrades.
• Troubleshoots server issues.
• Administers customer accounts.
• Deploys monitoring tools.
• Deploys applications and tools.
• Assists with escalated customer tickets.
• Installs and cables equipment.

Required Qualifications

• Active and current TS.SCI with 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 (Amazon AWS, Azure, or equivalent).
• Experience or knowledge of RedSeal Network Mapping tool.
• Knowledge of software deployed on systems (Elasticsearch, Docker, Kubernetes, Nifi).
• Syslog/NxLog experience.
• Nagios or other similar monitoring applications.
• Scripting experience (Python/Perl).

Desired Qualifications

• Syslog/NxLog experience.
• 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.

Lentech, Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, marital status, protected veteran status, or any other characteristic protected by applicable law.

Salary range $150,000 - $160,000