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Sr. Linux Systems Administrator

Dunhill Professional Search

Posted today

Job Requirements

Remote
Public Trust Polygraph Unspecified
Career Level not specified
$110,000 - $130,000

Job Description

Salary - $110,000 - 130,000

Responsible for unique or complex information systems and/or information technology tasks within more than one discipline, such as application support, database administration, software quality assurance/quality control, software engineering, network telecommunications, and infrastructure operations of administration, analysis, engineering and design.

• Manage Linux server infrastructure (RHEL, CentOS, Ubuntu) across all environments.

• Perform system provisioning, configuration, patching, and hardening.

• Monitor system health, performance, and capacity.

• Participate in 24x7 on-call rotation for Linux environment.

• Implement Linux automation using Ansible, Shell scripting, and Python.

• Manage Linux security compliance and STIG implementation.

• Support application teams with Linux infrastructure and troubleshooting.

• Maintain Linux documentation, runbooks, and configuration baselines.

• Perform log management and system performance tuning.

• Manage user access controls and authentication (LDAP/AD integration).

Minimum Qualifications

• Bachelor's Degree in Information Technology, Computer Science or a related field or equivalent relevant experience; Master's Degree preferred.

• Red Hat Certified System Administrator (RHSCA) or equivalent

• 4+ years Linux systems administration experience.

• Public Trust clearance (or ability to obtain).

No Dual Citizens

Other Job Specific Skills

• Strong in: RHEL 7/8/9, shell scripting (Bash), package management (yum/dnf/apt).

• Knowledge: Ansible automation, security hardening (STIGs), monitoring tools, Apache/Nginx.

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group id: 10238000

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Job Category
IT - Hardware
Clearance Level
Public Trust