Sr. Linux Administrator

Job Description

A client in Spring, TX is looking for a Sr. Linux Administrator to support a hybrid IT environment serving both commercial and government maritime operations. The person will have deep hands-on experience with OEL/RHEL Linux administration, system hardening, automation, patching, and troubleshooting in secure and standardized environments. This role is focused on maintaining reliable, secure, and compliant Linux infrastructure across on-premises and hybrid environments. This person will be responsible for supporting virtualization, storage, and infrastructure dependencies as they relate to Linux platforms. In addition, they will be collaborating with cybersecurity teams to support vulnerability remediation, configuration compliance, and secure baselines. This role is looking to pay between $60-70/hr.

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to View email address on click.appcast.io learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy:

Skills and Requirements

7+ years of experience in a Linux Systems Administration role

Strong experience supporting enterprise OEL/RHEL environments

Experience with scripting and automation using Bash, Python, Ansible, or similar tools.

Familiarity with virtual infrastructure, storage, and enterprise backup/recovery concepts.

Experience with identity services, network fundamentals, and remote system administration.

Exposure to compliance frameworks such as NIST 800-171, STIG, and CMMC

System hardening, patch management, and security baseline enforcement.

User, group, and permission management.

Service management, logging, monitoring, and performance tuning.

SSH, DNS, DHCP, networking basics, and troubleshooting.

Automation and configuration management. Certifications (Preferred): Microsoft

Cloud experience with Azure or similar platforms

Virtualization and storage exposure

Certified: Windows Server or Azure Administrator / Architect, VMware Certified Professional (VCP), NetApp Certified Implementation Engineer (NCIE), CompTIA Security+, CISSP, or equivalent