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Early Career Computational Mechanical Engineer


At a time when complex environmental problems are emerging on every front, the Nuclear Sciences Division's staff, capabilities, and facilities are delivering science and technology innovations for the environment, as well as for energy and national security needs. Our diverse work addresses a wide range of national and international challenges, from providing solutions that protect the health of people who must work in hazardous environments, to developing durable new materials, streamlining industrial processes for improved productivity and effectiveness, and delivering new approaches for environmental cleanup. Nuclear Sciences Division capabilities and efforts are focused in three key areas including Environmental Health and Remediation, Nuclear Regulatory, and Nuclear Energy.


  • Apply and interpret standard theories, principles, methods, tools, and technologies in mechanical engineering along with the use of numerical methods and computational modeling tools to solve diverse engineering and science problems

  • Demonstrate the ability and initiative to provide technical support, analyses, and assessments while maintaining effective communication with project managers, peers, and clients

  • Contribute to technical projects under the mentorship of senior staff; ensure project milestones are met on schedule and budget

  • Contribute to interdisciplinary teams to tackle high-impact problems and creatively innovate new technical solutions for diverse industry or government sponsors

  • Be able to support more than one engineering/research project at a time through both individual and team-based contributions

  • Contribute to technical products, such as technical reports and journal articles, and present at conferences and technical forums

  • Proactively grow technical acumen to lead small project tasks and execute within budget and timeframes allotted

  • Grow internal/external reputation through collaboration with staff across the laboratory and outside of PNNL

  • Support proposals for business and capability development opportunities that expand the groups research portfolio

  • Ensure safe operating practices are followed on all work assignments


Minimum Qualifications:

  • BS/BA with 2 years of experience

  • MS/MA with 0-2 years of experience

  • PhD with 0 years of experience

Preferred Qualifications:

  • MS or PhD in Mechanical Engineering

  • Experience in the application of analytical calculations, computational methods, and/or commercial modeling tools for design and evaluation of fluid, thermal, and mechanical components/systems

  • Knowledge of fundamentals and familiarity with implicit/explicit finite element analysis (FEA) codes such as ANSYS or LS-DYNA

  • Programming experience (e.g., Fortran, C++, APDL, MATLAB, Python, etc.)

  • Excellent written and verbal communication skills

Hazardous Working Conditions/Environment

No hazardous working conditions / environment are anticipated for this position.

Additional Information

Due to business needs and client space, US Citizenship is required:

The Pacific Northwest National Laboratory is subject to the Department of Energy Unclassified Foreign Visits & Assignment Program site, information, technologies, and equipment access requirements.

Testing Designated Position

This is not a Testing Designated Position (TDP)

About PNNL

Pacific Northwest National Laboratory (PNNL) is a world-class research institution powered by a highly educated, diverse workforce committed to the values of Integrity, Creativity, Collaboration, Impact, and Courage. Every year, scores of dynamic, driven people come to PNNL to work with renowned researchers on meaningful science, innovations and outcomes for the U.S. Department of Energy and other sponsors; here is your chance to be one of them!

At PNNL, you will find an exciting research environment and excellent benefits including health insurance, flexible work schedules and telework options. PNNL is located in eastern Washington Statethe dry side of Washington known for its stellar outdoor recreation and affordable cost of living. The Labs campus is only a 45-minute flight (or ~3 hour drive) from Seattle or Portland, and is serviced by the convenient PSC airport, connected to 8 major hubs.

Commitment to Excellence, Diversity, Equity, Inclusion, and Equal Employment Opportunity

Our laboratory is committed to a diverse and inclusive work environment dedicated to solving critical challenges in fundamental sciences, national security, and energy resiliency. We are proud to be an Equal Employment Opportunity and Affirmative Action employer. In support of this commitment, we encourage people of all racial/ethnic identities, women, veterans, and individuals with disabilities to apply for employment.

Pacific Northwest National Laboratory considers all applicants for employment without regard to race, religion, color, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, genetic information (including family medical history), protected veteran status, and any other status or characteristic protected by federal, state, and/or local laws.

We are committed to providing reasonable accommodations for individuals with disabilities and disabled veterans in our job application procedures and in employment. If you need assistance or an accommodation due to a disability, contact us at

Drug Free Workplace

PNNL is committed to a drug-free workplace supported by Workplace Substance Abuse Program (WSAP) and complies with federal laws prohibiting the possession and use of illegal drugs.

Mandatory Requirements

Battelle requires employees to have a COVID-19 vaccine as a condition of employment, subject to accommodation. Applicants are required to disclose their vaccination status following a conditional offer of employment and must attest to being fully vaccinated with a Center for Disease Control (CDC)-approved COVID-19 vaccination, or provide documentation of need for medical or religious exemption from the COVID-19 vaccination requirement.

Salary Range
$110,000.00 - $128,000.00
per Year
Salary range estimated by
salary estimation provided by zippia
Lansing, MI, 48900, US