Linux System Administrator

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.