Linux System Administrator

Job Overview Job Title: Linux System Administrator. FLSA: Exempt. Clearance: Secret. Location: Redstone Arsenal, Huntsville, AL. Job Type: Full Time. Responsibilities Primary responsibilities include installing, configuring, securing, hardening, remediating, testing, upgrading, and decommissioning Linux workstations and servers in both virtual and physical environments. Provide direct application support to program engineers and maintain operations, maintenance, and continuous improvement of multiple IT environments. Ensure compliance with the Security Technical Implementation Guide (STIG) and the Risk Management Framework (RMF). This is a fully on‑site position requiring support at multiple work locations; telecommuting is not available. Qualifications Education and Experience: Bachelor’s degree in Computer Science, Information Technology, or a related field from an ABET accredited institution. 5 + years of IT system administration. Required: IAT Level II baseline certification (e.g., CompTIA Security+ CE, CySA+, or SSCP). 5 or more years of dedicated Linux systems administration experience with a heavy emphasis on Red Hat Enterprise Linux (RHEL 7/8/9) to include installation, configuration, patching, and lifecycle maintenance. Ability to communicate technical issues to both technical and non‑technical stakeholders. Desired: Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE). Experience developing and using Ansible playbooks for patching, configuration enforcement, application deployment, and system automation. LVM administration (physical volumes, volume groups, logical volumes, resizing). Strong proficiency with the Linux command line. Solid understanding of standard network protocols (SSH, DNS, DHCP, NTP) with basic network troubleshooting skills using various tools. Exposure to CI/CD or Git‑based infrastructure workflows. Applicant must have a current security clearance or be able to obtain a clearance through a government security investigation. U.S. citizenship is required. Benefits Company‑Paid health and dental coverage (Blue Cross Blue Shield). Company‑Paid long‑term & short‑term disability, life insurance, supplemental insurance. 401(k) plan with generous matching and company contributions. Financial advising with Morgan Stanley. Health and dependent care flexible spending accounts. Paid time off (11 paid holidays, parental, vacation, sick, jury duty, Military leave). Access to employee‑paid VSP vision coverage. Flexible work schedules. Professional development and educational assistance. Equal Opportunity Employment NTA, Inc. is an Equal Opportunity and Affluent Action Employer. NTA, Inc. affords equal opportunity to all qualified applicants without regard to race, color, sex, religion, age, disability, sexual orientation, gender identification, protected veteran status or national origin. If you require special assistance applying for one of our positions, please contact Human Resources at View phone number on click.appcast.io. OFCCP: Pay Transparency. EPPA. Administrative This is a full‑time position. Requisition Number: NT473. #J-18808-Ljbffr