Reactor Core Components & Fabrication Engineer - HFIR Project
Strata-G, LLC
At Strata-G, we define significance by the extraordinary people we hire, the relationships we build with our clients, and the positive impact we make in the community. Our team of intellectually curious and highly motivated engineers, scientists and business professionals engages with our clients to solve complex energy and environmental challenges around the world.
We are driven by our values to create a culture of significant and positive change for our clients and the world.
We Care We treat our customers and employees as we wish to be treated. Integrity We are honest and ethical in every endeavor. Service We continuously strive to please our customers and to exceed their expectations. Quality We maintain a culture of continuous improvement. Safety We hold paramount the safety and health of our associates, our customers, the public, and the environment. Innovation We develop creative solutions to better serve our customers. Attitude We maintain a positive attitude and value humor. Outreach We share the results of our successes with the community.
Strata-G is seeking an experience Reactor Core Components & Fabrication Engineer with the following:
Summary:
Client is currently preparing for two exciting major replacement projects, the reactor pressure vessel and the beryllium reflector, to sustain and enhance HFIR's operation performance. Both projects require engineering, design, and analysis support to complement the integrated project team to deliver the design milestones on schedule and within scope. This role will primarily focus on supporting the design and development of the reactor's internal core components and the core alignment plan for the PVR Project. Following this phase, the position will involve substantial responsibilities in planning, procurement, and fabrication of critical reactor core components. This project is currently in the early stages of Critical Decision-1 (CD-1), as defined by DOE Order 413.3B. It is expected that the individual will collaborate closely with system engineers, designers, and multidisciplinary teams within RRD. This position will be assigned to the HFIR Upgrades Project Office and interacts with personnel at all levels within HFIR.
In addition to supporting the HFIR PVR Project, this role may also include responsibilities related to the HBRR project. These responsibilities may involve outage preparation activities such as the reactor core changeout procedures and work package development and the design and fabrication of custom tooling and fixtures, as well as managing fabrication procurements. HFIR is scheduled for an extended outage beginning in 2028 to replace and refurbish critical reactor vessel components, ensuring continued reactor operations for an additional 20 years.
Export Control Requirement:
This position requires access to technology that is subject to export control requirements. Successful candidates must be qualified for such access without an export control license.
Major Duties and Responsibilities:
Conduct calculations and analyses to support design specifications and requirements.
• Ensure compliance with relevant codes and standards, including ASTM, ASME, AWS, GD&T, QS9000, and ISO14001.
• Assist in developing the reactor core component replacement and the core alignment plan.
• Prepare material specifications and provide technical support for material procurement.
• Oversee and manages the procurement and fabrication of critical reactor vessel components
• Ensure that fabrication packages meet the requirements of the RRD Fabrication Control, SEP-0240
• Ensure documentation and engineering drawings of fabrication components are completed and placed under RRD Configuration Management, SEP-0100.
• Provide design support and drawing review to enhance component manufacturability.
• Prepare and review design specifications to define and determine acceptance criteria for component fabrications
• Work with vendors and appropriate personnel to develop testing and inspection plans.
• In conjunction with QA personnel, visit vendors to witness testing and perform in-process inspections
• In conjunction with QA and system engineers, ensure that nonconformance and deviations are documented and resolved.
Requirements:
Bachelor's degree in an engineering discipline, with at least 10 years' experience with a focus on manufacturing, materials science, or a related field.
• Excellent understanding of machining and fabrication practices, including welding, inspection techniques, and a strong understanding of the design engineering of complex components.
• Hands-on experience with CNC lathes, precision OD grinding, forging presses, heat treatment furnaces, automated arc welding machines, and calibrated key heat treatment equipment.
• Experience with relevant codes and standards, such as ASTM, ASME, GD&T tolerance (ASME Y14.5), QS9000, ISO14001, and others.
• Experience working with QC Inspection Labs and a fundamental understanding of basic measurement techniques.
• Experience with supplier management, including the selection and oversight of fabrication and manufacturing vendors for large-scale, high-complexity components.
• Knowledge of 3D modeling software (e.g., SolidWorks or similar tools) and familiarity with creating or reviewing fabrication drawings.
• Strong understanding of Configuration Management and Fabrication Control processes.
• Strong oral and written communication skills to effectively communicate technical requirements, issues, and progress with both internal and external stakeholders.
Job Type: Full Time/Contract
Job Location: Oak Ridge, TN. Onsite only.
Strata-G will not sponsor applicants for immigrant or non-immigrant work visas. The successful candidate will be required to submit evidence of identity and employment authorization. Tests for the absence of any illegal drug as defined in 10 CFR 707.4, will be conducted by Strata-G and a background investigation by the Federal government may be required to obtain an access authorization prior to employment. Strata-G is an Equal Employment Opportunity (EEO) employer. It is the policy of the Company to provide equal employment opportunities to all qualified applicants without regard to race, color, religion, sex, sexual orientation, national origin, age, gender identity, protected veteran or disabled status. All job descriptions are evaluated for physical/mental standards prior to posting based on AAP guidelines.
- ...Nuclear/Mechanical Engineer - HFIR PVR ProjectStrata-G is seeking... ...for the HFIR PVR Project with the following:Summary... ...projects, the reactor pressure vessel and the... ...structures, systems, and components (SSCs). • Perform calculations... ...of reactor core component replacement...SuggestedWork at officeWork visa
- ...curious and highly motivated engineers, scientists and business... ...- Civil Engineer HFIR Project with the following: Summary... ...along with other critical reactor vessel components, enabling continued reactor... ...activities include the design and fabrication of custom lifting devices...SuggestedFull timeContract workTemporary workWork at officeWork visa
- ...intellectually curious and highly motivated engineers, scientists and business professionals... ...an experienced Nuclear I&C Engineer - HFIR PVR Project with the following: Summary:... ...exciting major replacement projects, the reactor pressure vessel and the beryllium reflector...SuggestedFull timeContract workTemporary workWork at officeWork visa
- ...seeking a Nuclear Mechanical Engineer with experience in the... ...fluid flow models for HFIR isotope production... ...design, qualification, fabrication, irradiation, and post-... ...the High Flux Isotope Reactor (HFIR) and the Radiochemical... ...interactions with our core values of Impact,...SuggestedWork at officeRelocationRelocation packageFlexible hours
- ...are seeking an Experiment Project Engineer who will perform a diverse... ...Lab (ORNL) High Flux Isotope Reactor (HFIR). These will largely include... ...concerns with in-core and gamma irradiation experiments... ...engineering, calculation review, fabrication of experiment targets...SuggestedWork from homeRelocation packageFlexible hours
- ...are seeking a Manufacturing Engineer who will focus on facilitating... ...interface of manufacturing and fabrication. The Manufacturing Engineer (... ...submitting RFQ’s/awarding of projects, maintaining schedules/... ...priorities, and interactions with our core values of Impact, Integrity,...Work at officeRelocation packageFlexible hours
- ...Technology is seeking a Manufacturing Engineer to support our client in Oak... ...the production targets for components, assemblies, and machines.... ..., and procedures for fabrication, assembly, and repair of complex... ..., AS9001Experience with AIAG Core ToolsMust possess or have the...Temporary work
$99k - $157k
...News Top 100 manufacturing and engineering innovator that provides safe... ...of naval nuclear reactors for U.S. submarines and aircraft... ...supplies precision manufactured components, services and fuel for the commercial... ..., you will support design, fabrication, process development, and...For contractorsLocal area$72k - $120k
...seeking a Process/Chemical Engineer Energy - Remote. This remote... ...engineering, operations, and project management services. Serves... ...Manufactor (OEM) and nuclear reactor technology provider, and our... ...that systems, structures and components maintain chemical safety, criticality...Full timeTemporary workFor subcontractorWork at officeLocal areaRemote workFlexible hours- ...Design Chemical EngineerPROCESS is currently seeking multiple senior level Process Design Chemical Engineers for executing process design and process engineering projects across a variety of industrial market segments. Design assignments are expected to be primarily in...Work at office
$80k - $100k
...seeking a mechanical engineering professional to be based... ...large-scale, complex projects for a diverse portfolio... ..., advanced reactor deployment, fuel cycle... ...technology facilities.Our core capabilities include:Program... ...commercial nuclear fuel fabrication facilitiesEngineering...Hourly payContract workWork at officeRemote work- ...Inc. is seeking a Sr. Mechanical Engineer to support our client in Oak... ...scopes of work associated with components, assemblies, and machines within the project, providing technical expertise to... ...activitiesDevelop specifications for fabrication materials and equipmentAssist in...Temporary work
- ...Search Returning Applicant? Login Now Process Engineer IV Job Code: 2026-P2S-032 Location: Oak Ridge, TN Division... ...6 Months or more Company Description: Professional Project Services Inc. has upcoming opportunity for Process Engineer IV...Hourly payContract workWork at office
$119k - $199k
...seeking a Mechanical Engineering Manager - Remote. This... ...engineering, operations, and project management services.... ...(OEM) and nuclear reactor technology provider,... ...systems, structures and components for major small modular reactor, fuel fabrication, and fuel recycling...Full timeTemporary workWork at officeRemote workFlexible hours$80k - $100k
...seeking a mechanical engineering professional to be based... ...large-scale, complex projects for a diverse portfolio... ..., advanced reactor deployment, fuel cycle... ...technology facilities. Our core capabilities include:... ...commercial nuclear fuel fabrication facilities Engineering...Hourly payContract workWork at officeLocal areaRemote work$90k - $173k
...Senior Process Engineer – RemoteWe are seeking a Senior Process Engineer – Remote. This remote position... ...support the overall design and analysis of mechanical components and system designs for nuclear and commercial projects.Collaborate with productions teams, quality...Temporary workWork at officeRemote workFlexible hours$125.08k - $208.47k
...visionary leader to guide our Industrial Engineering Department at the Technology and Manufacturing... ...‑1, ISO‑TS, AS9001) Experience with AIAG Core Tools A Successful Candidate Also Brings Background in composites manufacturing Project management experience Active Q/TS...Work experience placement- OVERVIEW Merrick & Company seeks a Chemical Engineering undergraduate or graduate student for a paid Summer 2027 Internship in our Oak Ridge... ...they’re learning in school while gaining exposure to real projects, professional collaboration, and day-to-day life at an employee...Temporary workInternshipSummer internshipWork at officeFlexible hours
- ...~ Telework Type: Full-Time Office/Project ~ Work Location: Oak Ridge, TN... ...through start-up and operations. Core to Bechtel is our Vision, Values and... ...Coordinates with the Field Engineer as required to support component/system turnover Material Mgmt. &...Full timeWork experience placementWork at officeLocal areaRemote workRelocationFlexible hours
- DescriptionNavarro Research and Engineering is recruiting a Mid-to-senior Process Engineer (3922) for a new Nuclear Fuel Facility. Navarro... ...and procurement packages for process equipment, piping components, valves, heat exchangers, vessels, pumps, and related systems...Full timeContract workTemporary workLocal area
- DescriptionNavarro Research and Engineering is recruiting a Senior/Lead Process Engineer (3920) for a new Nuclear Fuel Facility. Navarro... ..., HVAC, nuclear safety, operations, procurement, vendors, and project leadership. Responsibilities Lead process engineering design activities...Full timeContract workTemporary workLocal area
- ...Summary: MS Technology, Inc. is seeking an experienced Project Manager to lead and manage complex engineering, construction, industrial, and Department of Energy (DOE) projects from initiation through closeout. The Project Manager will be responsible for planning,...Contract workTemporary workFor subcontractorWork at office
- DescriptionNavarro Research and Engineering is recruiting an HVAC Engineer (3926) for a new... ...interfaces, and related HVAC components. Coordinate HVAC design interfaces with... ...requirements, and clear communication with project leadership. RequirementsRequirements Bachelor...Full timeContract workTemporary workLocal area
- ...Instrumentation, and Controls Engineering (EICE) group within... ...role in designing, fabricating, integrating, and... ...and control software components, while collaborating closely... ...scope and establish project schedules.Prepare systems... ...to strengthen core capabilities.Provide mentorship...Work at officeRelocationRelocation packageFlexible hours
- ...seeking an entry level Control System Software Engineer who will focus on control system... ...control system environment. Ongoing upgrade projects include replacing legacy equipment with modern... ..., priorities, and interactions with our core values of Impact, Integrity, Teamwork,...Work at officeRelocation packageFlexible hours
- ...PROCESS is currently seeking one individual for the position of Senior Energetics Materials Process Lead Engineer to perform process engineering and design projects related to both government (Dept of Defense) and commercial energetics materials, explosives, munitions,...Work at office
- ...Nuclear Solutions Department: Design Engineering Market: Nuclear Employment Type:... ...these standards and tools to contribute to project success. Candidates shall be familiar... ...nuclear sector-from carbon-free small modular reactors to Department of Energy initiatives. Our...Full timeTemporary workSummer workInternshipWork at officeWeekend work
- ...for the position of Mechanical Engineer, with experience in the... ...design oversight for data center projects including review and approve... ...priorities, and interactions with our core values of Impact, Integrity,... ..., including cooling system component sizing, system controls, and...For contractorsWork at officeRelocation packageFlexible hours
- ...04Overview:The Design Engineering Group in the Nonreactor... ...will work with project teams, discipline leads... ...Help with purchasing, fabrication, construction, and project... ...structures, systems, and components in Hazard Category II... ...interactions with our core values of Impact,...Work at officeRelocationRelocation packageFlexible hours
- Heating Air Conditioning Design Engineer 1 day ago - Be among the first 25 applicants Direct... ...is a multi-year, multi-billion-dollar project, the first of its kind for enriched... ...development, and evaluation of mechanical components and processes, applying safety standards...Contract workWork experience placementWork at officeFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Reactor Core Components & Fabrication Engineer - HFIR Project. Be the first to apply!
- project engineer Oak Ridge, TN
- information technology project engineer Oak Ridge, TN
- data center project engineer Oak Ridge, TN
- software implementation project manager Oak Ridge, TN
- senior implementation project manager Oak Ridge, TN
- projects Oak Ridge, TN
- project controls Oak Ridge, TN
- projects work from home Oak Ridge, TN
- project technician Oak Ridge, TN
- project finance Oak Ridge, TN




