Holtec International is a diversified multi-national energy technology company with its Corporate Technology Center located in Camden, New Jersey in the South Jersey region of the Philadelphia metropolitan area. In the United States, Holtec operates three large manufacturing plants located in Camden, NJ, Turtle Creek (East Pittsburgh),PA and Orrville, Ohio. In addition, the Company has a business operation center in Jupiter, Florida and an engineering office in Cranberry (Pennsylvania). SMR LLC, a subsidiary of Holtec International and a major recruiter, is engaged in the development of the Company’s flagship small modular reactor and is co-located with the Corporate Technology Center in Camden, New Jersey with additional staff located in the operation centers in Kyiv (Ukraine), Indian Point (NY) and Cranberry (PA).

Holtec’s maintains several overseas operations centers around the world, including permanent engineering operation centers in Kyiv (Ukraine), Pune (India), Bristol (UK) , Madrid (Spain) and Angra dos Reis (Brazil) supplemented by a number of small project offices in other countries where Holtec has a strong business nexus. Outside of the US, Holtec maintains one of Asia’s largest plants solely devoted to the manufacturing of Air-Cooled Condensers located in Dahej, India (in coastal Gujarat).

Holtec International is an Equal Opportunity Employer with a policy of strict adherence to the labor laws in the respective host countries where the operation center is located. Applicants will be evaluated based purely on their professional qualifications and other important attributes such as work ethic, personal values, proclivity for team work and inter-personal communication skills. Benefits provided to salaried employees (“exempt positions”) meet or exceed those provided by Fortune-500 companies. For applicable non-exempt positions (hourly employees) benefits include but are not limited to health and dental insurance, retirement plan and tuition reimbursement.

The Company has a large number of career opportunities at its US and overseas operation centers in a wide array of disciplines and skills ranging from esoteric technical analyses to practical work such as welding and non-destructive examinations (NDE). Positions open in each operation center location are listed along with relevant work description and skill requirements.

Senior Nuclear Core Design Engineer

Camden, NJ

Full Time

Experienced

POSITION OPEN
Position: Senior Core Design Engineer
Place of Work: Camden (NJ); Jupiter (FL); Cranberry (PA), Madrid (Spain), Bristol (UK), Kyiv (Ukraine).

Holtec International seeks highly experienced applicants for a senior-level position in its nuclear analysis group to support the continued development and licensing of the SMR-300 reactor through its subsidiary, SMR LLC. This contractor role is a fully remote opportunity and is ideal for individuals with significant technical expertise and experience in core design for pressurized water reactors (PWRs), particularly Small Modular Reactors (SMRs).

The selected candidate will be responsible for contributing to the core design and analysis of the SMR-300, with a focus on high-quality technical execution in compliance with NRC regulations and industry standards. The position involves close collaboration with internal engineering teams and regulatory stakeholders, and offers flexibility for an independent contributor to have meaningful impact on an advanced nuclear energy project.

Minimum Technical Requirements:

BS degree in Nuclear Engineering or closely related technical field with at least 7 years of relevant experience
— OR —
MS degree with at least 6 years of relevant experience
— OR —
PhD with at least 4 years of relevant experience in nuclear core/fuel design
Expertise in PWR core design, neutronics, and simulation
Demonstrated experience with CASMO/SIMULATE
Familiarity with NRC regulations and QA requirements
Strong communication and technical writing skills
U.S. work authorization and eligibility to access export-controlled information

Desirable Additional Qualifications:

Proficiency in Python for simulation automation or data processing
Familiarity with core accident analysis methods (e.g., rod ejection)
Experience with core simulation platforms such as MCNP and S5K
Knowledge of licensing methodologies including technical specs, safety margins, and federal regulations

Software Tools Used: CASMO/SIMULATE, MCNP, S5K, Python; Microsoft Office Suite.

Minimum Experience Required:
4–10+ years, depending on academic qualifications.

References Required:
Minimum of 3 external references.

As a technology trailblazer and a prominent innovator in the clean energy industry, Holtec fosters a meritocratic environment conducive to continuous learning and professional growth. Holtec is an equal opportunity employer with a strong commitment to social equity and environmental justice, and gives preference to disabled veterans in its hiring policies. Learn more about Holtec at holtecinternational.com.

Candidates interested in this opportunity should submit a résumé along with at least three references.

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