Company Overview
XCEL Engineering, Inc. is an award‑winning small business that provides trusted information technology, engineering, consulting and project management solutions and services to federal agencies and organizations. Originally founded in 1971 by professional engineers at the University of Tennessee, XCEL was acquired in 2003 by U.S. Army and Navy veterans and in 2023 became a MartinFed company. XCEL Engineering is a part of IT Lab Partners (ITLP) which was created to support a leading research facility in the East Tennessee region in recruiting the best and the brightest technical talent. Considering joining our impressive team today! Job Overview
XCEL Engineering is seeking a qualified applicant for a highly skilled Nuclear Mechanical Engineer with over 10 years of hands‑on experience at an operating nuclear reactor, including expertise in engineering design and manufacturing practices. The ideal candidate will have a strong background in welding and joining techniques, combined with a solid understanding of machine design principles. Essential Functions
ORNL 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. Specifically, the individual will be working closely with system engineers, designers, and various other disciplines within RRD. This position will be assigned to the HFIR Upgrades Project Office and interacts with personnel at all levels within HFIR. This role requires a comprehensive knowledge of ASME Boiler and Pressure Vessel Codes (Sections III and VIII) and ASME B31.1 piping codes, with proven ability to apply these standards in practical scenarios. The position involves performing and reviewing piping analyses and calculations in compliance with HFIR Safety Basis Procedures and applicable Department of Energy (DOE) standards and guidelines. Apply engineering expertise to support HFIR operations. Prepare engineering designs for new installations and for replacement or upgrade of HFIR structures, systems, and components (SSCs). Perform calculations and analyses to support design basis and requirements. Apply relevant codes and standards, including ASTM, ASME Boiler and Pressure Vessel Code, ASME B31 piping codes, NQA‑1, AWS, etc. Support development of reactor core component replacement plans. Prepare design specifications and define acceptance criteria for component upgrades. Update material specifications and provide technical support for material procurement. Implement modifications in accordance with RRD configuration control processes. Basic Qualifications
US Citizen with the ability to obtain a security clearance. Bachelor's degree in mechanical engineering, nuclear engineering, or related discipline. Minimum of 10 years in DOE nuclear facilities and/or commercial nuclear plants. Comprehensive understanding of nuclear technology, including reactor safety basis, design, and construction. Proficiency in engineering design and manufacturing practices, including welding and joining techniques and machine design. Familiarity with DOE Orders and Standards (e.g., DOE O 420.1C, DOE STD 1189, DOE STD‑1073‑2016). Strong ability to read and interpret mechanical design drawings and apply GD&T principles (ASME Y14.5). Experience with AutoPIPE and finite element analysis is desirable. Experience with configuration management and engineering change control processes in a nuclear environment. Other Duties
This job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice. Equal Opportunity / Affimative Action
Xcel Engineering is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regards to race, color, religion, religious creed, gender, sexual orientation, gender identity, gender expression, transgender, pregnancy, marital status, national origin, ancestry, citizenship status, age, disability, protected Veteran Status, genetics or any other characteristics protected by applicable federal, state or local law. If you are a qualified individual with a disability or disabled veteran, you have the right to request a reasonable accommodation if you are unable or limited in your ability to use or access Xcel Engineering's current openings as a result of your disability.
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XCEL Engineering, Inc. is an award‑winning small business that provides trusted information technology, engineering, consulting and project management solutions and services to federal agencies and organizations. Originally founded in 1971 by professional engineers at the University of Tennessee, XCEL was acquired in 2003 by U.S. Army and Navy veterans and in 2023 became a MartinFed company. XCEL Engineering is a part of IT Lab Partners (ITLP) which was created to support a leading research facility in the East Tennessee region in recruiting the best and the brightest technical talent. Considering joining our impressive team today! Job Overview
XCEL Engineering is seeking a qualified applicant for a highly skilled Nuclear Mechanical Engineer with over 10 years of hands‑on experience at an operating nuclear reactor, including expertise in engineering design and manufacturing practices. The ideal candidate will have a strong background in welding and joining techniques, combined with a solid understanding of machine design principles. Essential Functions
ORNL 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. Specifically, the individual will be working closely with system engineers, designers, and various other disciplines within RRD. This position will be assigned to the HFIR Upgrades Project Office and interacts with personnel at all levels within HFIR. This role requires a comprehensive knowledge of ASME Boiler and Pressure Vessel Codes (Sections III and VIII) and ASME B31.1 piping codes, with proven ability to apply these standards in practical scenarios. The position involves performing and reviewing piping analyses and calculations in compliance with HFIR Safety Basis Procedures and applicable Department of Energy (DOE) standards and guidelines. Apply engineering expertise to support HFIR operations. Prepare engineering designs for new installations and for replacement or upgrade of HFIR structures, systems, and components (SSCs). Perform calculations and analyses to support design basis and requirements. Apply relevant codes and standards, including ASTM, ASME Boiler and Pressure Vessel Code, ASME B31 piping codes, NQA‑1, AWS, etc. Support development of reactor core component replacement plans. Prepare design specifications and define acceptance criteria for component upgrades. Update material specifications and provide technical support for material procurement. Implement modifications in accordance with RRD configuration control processes. Basic Qualifications
US Citizen with the ability to obtain a security clearance. Bachelor's degree in mechanical engineering, nuclear engineering, or related discipline. Minimum of 10 years in DOE nuclear facilities and/or commercial nuclear plants. Comprehensive understanding of nuclear technology, including reactor safety basis, design, and construction. Proficiency in engineering design and manufacturing practices, including welding and joining techniques and machine design. Familiarity with DOE Orders and Standards (e.g., DOE O 420.1C, DOE STD 1189, DOE STD‑1073‑2016). Strong ability to read and interpret mechanical design drawings and apply GD&T principles (ASME Y14.5). Experience with AutoPIPE and finite element analysis is desirable. Experience with configuration management and engineering change control processes in a nuclear environment. Other Duties
This job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice. Equal Opportunity / Affimative Action
Xcel Engineering is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regards to race, color, religion, religious creed, gender, sexual orientation, gender identity, gender expression, transgender, pregnancy, marital status, national origin, ancestry, citizenship status, age, disability, protected Veteran Status, genetics or any other characteristics protected by applicable federal, state or local law. If you are a qualified individual with a disability or disabled veteran, you have the right to request a reasonable accommodation if you are unable or limited in your ability to use or access Xcel Engineering's current openings as a result of your disability.
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