Sr. Linux Systems Administrator

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.

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

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Perform system provisioning, configuration, patching, and hardening.

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Monitor system health, performance, and capacity.

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

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

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Manage Linux security compliance and STIG implementation.

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Support application teams with Linux infrastructure and troubleshooting.

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Maintain Linux documentation, runbooks, and configuration baselines. 

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Perform log management and system performance tuning.

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

Minimum Qualifications

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

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Red Hat Certified System Administrator (RHSCA) or equivalent

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4+ years Linux systems administration experience.

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Public Trust clearance (or ability to obtain).

No Dual Citizens

Other Job Specific Skills

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

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

 

 

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