Linux Engineer Classified Environment

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Oak Ridge National Laboratory (ORNL) is a U.S. Department of Energy national laboratory that conducts science and technology research in energy, national security, computing, materials, neutron science, isotopes, and related fields.

Oak Ridge, Tennessee, United States
About Oak Ridge National Laboratory

ORNL is the largest science and energy laboratory for the U.S. Department of Energy. Managed by UT-Battelle for DOE, it operates research infrastructure and user facilities, conducts applied and fundamental research, and currently advances AI-enabled scientific discovery alongside its energy and national-security missions.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will design, build, automate, operate, and modernize secure Linux infrastructure across classified environments. You will develop automation, implement cybersecurity controls, integrate identity and virtualization services, troubleshoot complex issues, and support mission-critical operations and maintenance.

Requirements

  • BS degree in a related technical field and at least five years of Linux engineering or administration experience
  • Current Top-Secret clearance with Q and SCI eligibility
  • Expertise with RHEL/Linux engineering, troubleshooting, performance tuning, automation, and scripting
  • Experience with Ansible, Python, Bash, enterprise virtualization, identity integration, storage, monitoring/logging, and cybersecurity compliance
  • Ability to independently solve complex technical challenges
  • Ability to obtain and maintain SCI clearance
  • Pass pre-placement and ongoing random drug testing

Responsibilities

  • Engineer and modernize secure Linux infrastructure
  • Design, build, configure, optimize, and sustain physical and virtual Linux platforms
  • Develop automation using Ansible, Python, Bash, and Git-based workflows
  • Implement cybersecurity requirements, system hardening, vulnerability remediation, monitoring, and secure logging
  • Integrate Linux environments with identity, virtualization, storage, backup, and monitoring capabilities
  • Troubleshoot complex technical issues with partner teams
  • Evaluate and introduce new technologies and architectures
  • Support mission-critical operations and planned maintenance

Benefits

  • Medical plans
  • Retirement plans
  • Flexible work hours
  • On-site fitness facilities
  • Banking facilities
  • Cafeteria facilities
  • Prescription drug plan
  • Dental plan
  • Vision plan
  • 401(k) retirement plan
  • Contributory pension plan
  • Life insurance
  • Disability benefits
  • Vacation and holidays
  • Parental leave
  • Legal insurance with identity theft protection
  • Employee assistance plan
  • Flexible spending accounts
  • Health savings accounts
  • Wellness programs
  • Educational assistance
  • Relocation assistance
  • Employee discounts