Linux System Administrator

5 days ago


Greenville TX United States Insight Global Full time

Must-Haves:

  • Bachelor’s degree in computer science, Engineering, or a related field with a minimum of 6 years of relevant experience
  • Secret Clearance or higher
  • Experience with Linux server and workstation systems administration on Red Hat based distributions (RHEL9, RHEL8, RHEL7, Rocky8, CentOS7) to include:
  • Break/fix troubleshooting
  • Provisioning via Satellite, Kickstart, or Forman
  • Network infrastructure services setup and maintenance of DNS, DHCP
  • Network storage services setup and maintenance of NFS, automounts, SMB/Samba
  • Privilege escalation management
  • Security+ certification
  • Experience with centralized authentication systems
  • Some shell scripting experience (sh/bash or csh/tcsh)


Plusses

  • Configuration management with Ansible/Ansible Automation Platform, AWX, puppet, or chef
  • Centralized authentication setup and user/group management (FreeIPA, IDM, Kerberos, LDAP, NIS)
  • Code repository administration of git, GitLab, GitHub, SVN
  • Scripting in modern languages python, perl
  • Basic network administration of layer 2/3 switches
  • Supporting multi-OS environments of Linux, Windows, Solaris, and embedded OS’s
  • Knowledge of DevOps tools (Kubernetes, OpenShift, TeamCity, Docker, Jenkins)
  • Experience in building/utilizing CI/CD pipelines
  • Experience with cloud platforms
  • Certifications RHCSA, RHCE, RHCSS, RHCDS, Security+, CISSP, CISM,
  • Deep understanding of metrics and monitoring systems
  • Experience performing log analysis and other network forensic investigations
  • Deep expertise troubleshooting complex distributed systems
  • Experience with creating and improving documented procedures and/or playbooks


Job Description

An employer in the Greenville, TX market is looking for a Systems Administrator to join their team. This person will manage, maintain, and optimize Linux servers and systems that support software development operations. The role involves a combination of technical expertise, system management, and collaboration with development teams to ensure a stable and efficient production environment.

  • Deploy, configure, and maintain 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.



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