Demo

HFIR Cold Source Specialist

Oak Ridge National Laboratory
Oak Ridge, TN Full Time
POSTED ON 10/8/2026
AVAILABLE BEFORE 12/2/2026

Requisition Id16871

Overview:

We are seeking a Cold Source Specialist who will focus on operation of the cryogenic cold source facility and support of shift personnel. This positionresidesin the Cold Source Operations Group in the High Flux Isotope Reactor (HFIR) Operations Section, Research Reactors Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL).

Major Duties/Responsibilities:

Operations:

  • Operate Cold Source cryogenic and support systems to support HFIR operations and neutron science missions.

  • Supports shift operationsin accordance withplant procedures, HFIR Technical Safety Requirements, and Cold Source Safety Authorization Basis.

  • Serves as the single point of contact for authorizing, directing, andmonitoringCold Source activities.

  • Performs actions necessary to mitigate the consequences of Cold Source transients.

  • Works 12-hour rotating shift work during operating cycles.

  • Safely perform hydrogen addition and venting operations and take proper actionsin the event ofan incident.

  • Serves as Qualified Person for Lockout/Tagout(Lock/Tag/Verify) process per ADM-0200 to hang and clear equipment lockouts.

  • Acts as the Cold Source Operations Lead (CSOL) asdesignatedduring absences.

  • Provides backup for shift Cold Source Staff Member (CSSM) during plant operations.

  • Provides shift relief on 12-hour rotating shifts for CSSMs.

Work Control:

  • Authorize start of work affecting Cold Source equipment and systems.

  • Authorizes the removal of equipment to service following maintenance,testingor operational actives.

  • Authorizes the return of equipment to service following maintenance,testingor operational actives.

  • Acts as Issuing Authority in the Lockout/Tagout (Lock/Tag/Verify) process per ADM-0200 whendesignatedby the CSOL.

Administrative:

  • Write Technical Safety Requirement Tacking documents for approval.

  • Ensures plant operational deficiencies areidentifiedand corrective action isinitiated.

  • Provides feedback tooperating, emergency, and administrative procedures.

  • Perform quarterly/annual audits for various operations procedures/programs.

  • Order operational supplies and equipment.

  • Develops and reviews Cold Source plantoperatingand emergency response procedures.

  • Works with engineering, safety, and management to obtain approvals of new and revised procedures.

Engineering Support:

  • Provides input to System Engineering for system upgrades to ensure the operational reliability and longevity of the Cold Source.

  • Provides drawing and modification reviews, as needed to support modifications and deviations.

  • Submits drawing discrepancy notifications and change requests when system drawing errors are noted.

  • Perform software validation and verification testing and review for Cold Source Distributed Control System software.

Maintenance Support:

  • AcquiresandmaintainsTask Leader qualification, including writing, reviewing, and approving Maintenance Work Packages.

  • Provide guidance to maintenance engineers during maintenance planning and oversight/guidance during execution, as necessary.

  • Perform system andcomponenttesting tovalidatemaintenance actions.

  • Perform troubleshooting of systems or components to ensure proper issues areidentified.

Safety:

  • Serves as HFIR Emergency Response Team member during emergencies.

  • Maintains control of hydrogen control areas and personnel access for Cold Source Areas per ADM-0604.

  • Exercises "Stop Work" authority within the Cold Source facility for practices that could jeopardize safety.

  • Ensures compliance with environmental, safety, health, and quality program directives.

  • Ensures Cold Source activities are conductedin accordance withappropriate tagging, safety, configuration controlpracticesand Conduct of Operations per ADM-0001.

  • Ensures applicable environmental, safety, and health directives are followed for all Cold Source operation activities.

Professionalism:

  • Maintains a strong commitment to the implementation and perpetuation of professional values and ethics.

  • 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:

  • A BS degree in engineering or related science with at least 5 years of experience. An equivalent combination of education and experience will be considered (a high school diploma plus 9 years of relevant experience or an AS degree plus 7 years of relevant experience).

  • Current orpreviousCSSM qualification.

  • Familiarity with Conduct of Operations and Cold Source processes and procedures.

Preferred Qualifications:

  • A minimum of 5 years of experience as a CSSM.

  • Excellent written and oral communication skills.

  • Motivated self-starter with the ability to work independently and toparticipatecreatively in collaborative teams across the laboratory.

  • Ability to function well in a fast-paced research environment, set priorities toaccomplishmultiple tasks within deadlines, and adapt to constantly evolving needs.

Special Requirements:

  • Thisposition 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.

  • Work involves various physical requirements and working conditions. As such, a pre-hire physical will berequiredafter offer.

  • Visa sponsorship is not available for this position.

Benefits at ORNL:

We offer competitive pay and benefits programs to attract andretainhardworking 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 includethe 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, and Employee Discounts. Relocation Assistance is available.

If you have 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.

 

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