Linux System Administrator

Job Title: Linux Systems Administrator

Job Code: 30430

Job Location: Greenville TX

Schedule:9/80 (Every other Friday off)

Job Description:

This position is for a Linux Systems Administrator supporting Agile Software Development Engineering teams. The position requires the ability to perform multi-disciplined administration in secure lab and isolated network environments. The Linux Systems Administrator will participate in roadmap architecture implementation and sustainment of operational network infrastructures supporting software teams. Candidate must be a self-motivated team player with excellent technical and communication skills.

Essential Functions:

• Integrate with a team of multidiscipline multileveled Systems Administrators supporting Linux Windows and Network operations
• Assist Software Engineers by providing Linux infrastructure services in support of development efforts
• Partner with Information Security team to provide secure auditable Linux systems
• Plan and document operational processes configurations and diagrams required for management Security operations and the software teams
• Coach mentor and train new team members
• Assist leadership with business decisions demonstrating and safeguarding the company by assuring that applicable laws and policies are followed

Qualifications:

• Bachelors degree in computer science or related field and minimum 4 years of prior relevant experience. Graduate Degree and a minimum of 2 years of prior related lieu of a degree minimum of 8 years of prior related experience.
• Linux server and workstation systems administration on Red Hat based distributions (RHEL9 RHEL8 RHEL7 Rocky8 CentOS7) to include
• Provisioning via Satellite Kickstart or Forman
• Experience with network infrastructure services setup and maintenance of DNS DHCP network storage services setup and maintenance of NFS automounts SMB/Samba privilege escalation management and Shell scripting in sh/bash or csh/tcsh
• Able to obtain and maintain a DoD Security Clearance which requires U.S. Citizenship.

Preferred Additional Skills:

• System hardening and auditing to RMF CMMC DFARS NIST 800-171 NIST 800-53
• 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 OSs
• 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