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Aquila Technology Logo Aquila Technology · IT - Administration

Senior Linux Systems Administrator

United States, Lexington · Job Posted December 06, 2025
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Job Description

Aquila Technology is seeking a Senior Linux Systems Administrator to join our team in supporting one of the country’s premier defense research organizations.

Job Responsibility

  • Performing systems administration on Red Hat 8/9 servers, Red Hat Identity Management (IdM), and Red Hat Ansible Automation
  • Server performance optimization
  • Cyber security
  • OS and application patching
  • McAfee suite
  • Scripting
  • Storage
  • Disaster recovery

Requirements

  • Must be a U.S Citizen
  • Must have an Active Secret Clearance (Green Cards / Visas do not qualify)
  • Willingness to undergo a comprehensive background investigation and maintain a personal security clearance
  • 5 years – Networks
  • 5 years – Networking Applications and Protocols: TCP/IP, DNS, NTP, DHCP, SSH, FTP and HTTP/S
  • 5 years – SSH Server implementation, Linux Networking Configuration, Host Based Firewall, Web Server
  • 5 years – Programming
  • 5 years – Scripting Experience: Python, Ansible, TCL or Bash
  • 5 years – Systems
  • 5 years – Configuration of Distributed Environments, including NFS for Storage
  • 5 years – Configure and Maintain a Number of Linux Systems Utilizing Scripting Languages and Automation Tools
  • 5 years – Diagnose and Troubleshoot Issues
  • 5 years – Enterprise Backup Solutions
  • 3 years – Linux Patch Management
  • 3 years – MS Active Directory, LDAP
  • 5 years – Redhat Linux Systems Administration
  • Strong knowledge of Red Hat 8/9 Linux
  • Experience in setting up and deploying network services (e.g. GitLab/GitHub, Apache Web Server, NFS server)
  • Centralized account management (experience with Red Hat Identity Management or Free IPA server is a plus)
  • Possess or have the ability to obtain security relevant certifications (e.g. Security+ and Linux+ or equivalent)
  • Applied understanding of system hardening (experience with DoD system hardening guidelines is preferred, but not required)

Nice to have

  • Linux+ Certification
  • Red Hat Linux Certification
  • Security+ Certification
  • Bachelor’s Degree
  • Centralized Account Management
  • Configure and Manage Centralized Logging and Audit Capabilities
  • Virtualization Technologies (VMware, including ESXi and VCenter configuration)
  • Knowledge of Virtualization Technologies such as VMware or RedHat Virtualization
  • Network support including SSH server implementation, Linux networking configuration, NFS, Host Based Firewall, Web Servers
  • PKI, Multi-Factor Authentication, and PIV Technologies
  • Linux kernel, system tuning and performance analysis
  • Remote KVM experience
  • BS in Computer Science or related field and 5 years experience or MS Computer Science or related field and 2 years experience

What we offer

  • PTO – 15 days (vacation/sick)
  • 10 paid holidays – 6 standard (New Year’s, Memorial Day, Independence Day, Labor Day, Thanksgiving, and Christmas) – 4 floating holidays prorated based on your day of hire
  • 1.5 paid days, or 12 hours, for approved volunteer work
  • 1 week of paid maternity/paternity LOA after 1 year of Full-time employment
  • Tuition & Training Reimbursement – 5K annually for pre-approved, job-related tuition, certification, or professional conferences
  • 401K with Fidelity 100% immediate vesting
  • Aquila matches 100% the fist 3%, then 50% on the next 2%
  • Cell Phone & Internet Reimbursed up to $150 monthly to cover cell phone, data, and home internet expenses
  • By Your Own Device (BYOD) Allowance Reimbursed up to $1500 for the purchase of a qualified technology device
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