Linux System Administrator
: Job Details :

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.