Senior Linux Systems Engineer

Requisition Id 13949 

Due to the security clearance requirements of this position, US citizenship is required for consideration.

­­Overview:  

We are hiring a Senior Linux Systems Engineer who will play a crucial role in managing and supporting Linux servers and large storage systems! Areas of focus include maintaining system health, analyzing system performance, and ensuring all activities are documented in accordance with National Security Sciences and customer requirements. This position resides in the Support Services & Isolated Environments group in the Research Computing division of the Information Technology Services Directorate at Oak Ridge National Laboratory (ORNL).

This team supports the ORNL’s goals through robust systems engineering, integration, and support tailored specifically for our NSS research community. We manage a variety of critical infrastructures including mid-range clusters, servers, workstations, and other pivotal services.

Major Duties/Responsibilities: 

Systems Administration:

• Manage, configure, and maintain Linux server environments, including Red Hat, and Rocky.
• Monitor and optimize system performance, ensuring high availability and stability.
• Perform regular system updates, patches, and backups.
• Install and maintain various software solutions, including commercial and open-source packages (e.g., Apache, MySQL, Postgres, PHP, ZFS).
• RSA SecureID Server.
• Clevis + Tang Server.

Virtualization & Storage:

• Implement and support virtualization solutions (e.g., VMware, KVM) for Linux environments.
• Design and manage storage solutions relevant to Linux systems, ensuring data integrity and availability.
• Containerization technologies, Docker, Kubernetes, Podman, etc.

Security & Compliance:

• Implement and maintain security best practices for Linux systems.
• Ensure compliance with organizational policies and standards.

Customer Service & Support:

• Provide advanced support and troubleshooting for Linux-based systems.
• Collaborate with stakeholders to resolve technical issues and provide recommendations for system improvements.
• Deliver high-quality customer service, both internally and externally.

Project Management & Documentation:

• Lead or participate in projects related to Linux infrastructure, from design to implementation.
• Create and maintain comprehensive documentation for all system configurations, processes, and procedures.
• Prioritize and manage multiple tasks and projects efficiently.
• Keep all required documentation updated.
• Other Duties as assigned to complete the mission as assigned.

Deliver ORNL’s mission by aligning behaviors, priorities, and interactions with our core values of Impact, Integrity, Teamwork, Safety, and Service. Promote diversity, equity, inclusion, and accessibility by fostering a respectful workplace – in how we treat one another, work together, and measure success.

Basic Qualifications:

• A BS in information technology, information systems, computer science, computer engineering, business, science, or a related field of study and a minimum of eight (8) to twelve (12) years of Linux server administration experience is required for consideration. An overall combination of equivalent experience.

• Experience managing, configuring, and maintaining Linux server environments, including Red Hat, and Rocky.
• Experience managing VMware and NAS storage systems.
• Proficiency in scripting with BASH and Python.

Preferred Qualifications:

• Experience working in a classified isolated environment.
• Experience implementing STIG processes and remediations
• Experience with GPU, SLURM and other HPC environments.
• Experience with CI/CD support and container administration.
• Deep familiarity with Red Hat Linux operating systems and monitoring tools like Nagios.
• Knowledge of open-source web application services like Apache and Nginx.
• Prior experience in a government, scientific, or other highly technical environment is advantageous.
• Strong documentation skills.
• Exceptional interpersonal and communication skills, suitable for user support and effective teamwork.
• Ability to work independently in a fast-paced research environment, prioritize effectively, and adapt to changing needs.

Special Requirements:  

• Visa sponsorship is not available for this position.  
• This position requires the ability to obtain and maintain a clearance from the Department of Energy. As such, this position is a Workplace Substance Abuse (WSAP) testing designated position. WSAP positions require passing a pre-placement drug test and participation in an ongoing random drug testing program. 

Benefits at ORNL:

ORNL offers competitive pay and benefits programs to attract and retain dedicated people. The laboratory offers many employee benefits, including medical and retirement plans and flexible work hours, to help you and your family live happy and healthy. Employee amenities such as on-site fitness, banking, and cafeteria facilities are also provided for convenience.

Other benefits include the following: Prescription Drug Plan, Dental Plan, Vision Plan, 401(k) Retirement Plan, Contributory Pension Plan, Life Insurance, Disability Benefits, Generous 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, and Employee Discounts.

Having difficulty using the online application system or need an accommodation to apply due to a disability? Please email: ORNLRecruiting@ornl.gov 

This position will remain open for a minimum of 5 days after which it will close when a qualified candidate is identified and/or hired.

We accept Word (.doc, .docx), Adobe (unsecured .pdf), Rich Text Format (.rtf), and HTML (.htm, .html) up to 5MB in size. Resumes from third party vendors will not be accepted; these resumes will be deleted and the candidates submitted will not be considered for employment.

ORNL is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply.  UT-Battelle is an E-Verify employer.