Senior Mechanical Process Technician

Requisition Id 16452 

­­Overview:  

We're seeking a hands-on technician experienced in both Superconducting Radio Frequency (SRF) systems and cryogenics who will focus on the operation and maintenance of large-scale helium liquefaction systems and cryomodules within the accelerator complex.

 

This position resides in the Superconducting Linac Systems Group in the Accelerator Systems Section, Research Accelerator Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL).  

 

Major Duties/Responsibilities: 

• Serve as a senior Central Helium Liquefier Specialist responsible for operation, troubleshooting, and optimization of large-scale cryogenic helium process systems and rotating equipment.
• Lead recovered helium purification and liquid helium Dewar filling operations based on supply chain availability
• Perform and lead complex cryomodule repair, maintenance, refurbishment, testing, and commissioning activities with minimal supervision.
• Support cryogenic and Superconducting Radio Frequency (SRF) research and development efforts, including assembly, certification, and operation of SNS linac cryogenic components and systems.
• Respond independently to alarms, abnormal events, and operational issues, providing technical leadership during recovery and troubleshooting activities.
• Mentor and train technical staff, develop procedures and documentation, and provide technical input during design reviews and Failure Modes and Effects Analysis (FMEA) activities.
• Set up, operate, and troubleshoot process, test, and measurement equipment; collect and analyze system performance data to verify operational integrity and acceptance criteria.
• Provide work direction and technical guidance to trades, crafts, contractors, and junior personnel supporting fabrication, assembly, installation, and commissioning activities.
• Ensure compliance with Environment, Safety, and Health (ESH) and quality requirements while supporting continuous improvement initiatives for system reliability and operational performance.
• Primarily work day shift with occasional alternate and some weekend shifts.

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

 

Basic Qualifications:

• An AS degree in mechanical technology or related field with at least 7 years of relevant experience (a high school diploma with a minimum of 9 years of relevant experience will also be considered)
• Experience in operating large-scale process systems
• Must be willing to learn new skills and train others

 

 Preferred Qualifications:

• Experience working in a clean production environment, using mechanical and electronic test and measurement equipment
• Experience with high-vacuum systems and cleanroom techniques
• Experience in operating and maintaining rotating equipment

 

Special Requirements: 

• Work involves various physical requirements and working conditions. As such, a pre-hire physical will be required after offer.
• Visa sponsorship is not available for this position.
  
  

Security, Credentialing, and Eligibility Requirements:
For employment at Oak Ridge National Laboratory (ORNL), a Real ID compliant form of identification will be required.  Additionally, ORNL is subject to Department of Energy (DOE) access restrictions. All employees must also be able to obtain and maintain a federal Personal Identity Verification (PIV) card as mandated by Homeland Security Presidential Directive 12 (HSPD-12) and Department of Energy (DOE) Order 473.1A, which requires a favorable post-employment background investigation.

To obtain this credential, new employees must successfully complete and pass a Federal Tier 1 background check investigation.  This investigation includes a declaration of illegal drug activities, including use, supply, possession, or manufacture within the last year.  This includes marijuana and cannabis derivatives, which are still considered illegal under federal law, regardless of state laws.

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