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Insight Global

Linux System Administrator

On site

Rockwall, United states

$ 75 /hour

Mid level

Freelance

19-10-2025

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Skills

Bash Jira Configuration Management Sales Linux Windows Shell

Job Specifications

Logistics:

On-site in Greenville, TX
6-month contract, perm possible

An employer in the Greenville, TX market is looking for a Systems Administrator to join their team. Responsibilities include:

* Deploy, configure, and maintain Workstation and Server Linux OS

* Provide ongoing support and troubleshooting for Linux environments

* Utilize configuration management tools to ensure systems are patched and compliant

* Implement and maintain cybersecurity measures in accordance with DoD, U.S. Government, and Foreign Military Sales requirements, including DISA STIGs and adherence to NIST 800-53 and NIST 800-171 controls

* Continuous oversight of system performance and security

* Provide hardware support for systems within environments and air-gapped lab systems

* Document operational processes, configurations, and system architectures to support management, Security operations, and software teams

* Carry/respond to pager while onsite

* Respond to support requests through Jira issue tracking

* Periodic after hours support for patching and maintenance windows

* On call rotations to support after hours outages

REQUIRED SKILLS AND EXPERIENCE

* Bachelor's degree in computer science, Engineering, or a related field

* Minimum of 6 years of experience as a Sys Admin

* Secret Clearance or higher

* Experience with Linux server and workstation systems administration on Red Hat based distributions (RHEL9, RHEL8, RHEL7, Rocky8, CentOS7) to include:

o Break/fix troubleshooting o Provisioning via Satellite, Kickstart, or Forman

o Network infrastructure services setup and maintenance of DNS, DHCP

o Network storage services setup and maintenance of NFS, automounts, SMB/Samba

o Privilege escalation management

* Security+ certification

* Experience with centralized authentication systems

* Some shell scripting experience (sh/bash or csh/tcsh)

Compensation:

$65/hr to $75/hr.

Exact compensation may vary based on several factors, including skills, experience, and education.

Benefit packages for this role will start on the 31st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.

About the Company

Insight Global is an international professional services and staffing company specializing in delivering talent and technical solutions to Fortune 1000 companies across the IT, Non-IT, Healthcare, and Engineering industries. Fueled by staffing and talent experts, Evergreen, our professional services brand, brings technical advisors and culture consultants to help customers tackle their biggest challenges. With over 70 locations across North America, Europe, and Asia, and global staffing capabilities in 50+ countries, our tea... Know more