PNNL Careers

Research Scientist, Numerical Modeler/Software Engineer


Job Description

Job ID: 307817
Full/Part Time: Full-Time
Regular/Temporary: Regular

Job Description

The Atmospheric Sciences and Global Change Division at Pacific Northwest National Laboratory (PNNL) seeks a scientist/software engineer to support the development and application of climate and atmospheric process models, including global and regional models. The anticipated tasks will include
• Developing interfaces to connect different model components and/or different scientific models;
• Implementing, debugging, and evaluating new codes;
• Performing simulations to support model development and scientific investigations;
• Processing simulation input/output and observational data;
• Contributing to dissemination of scientific findings of modeling studies;
• Maintaining and managing code repositories for community models.

It will be essential for the candidate to have the enthusiasm and ability to develop and maintain robust, clean, and easily maintainable codes and scripts. Teamwork and strong interpersonal communication skills for engaging with project teams at PNNL, at other national laboratories, and with the broader climate research community are also essential.

It is anticipated that the successful candidate will work on multiple projects with varying modeling needs and tasks. Familiarity with a range of models will be advantageous in finding a better fit between the candidate’s skills and the project needs. The tasks will be assigned to best match the hired candidate.

Equal Employment Opportunity

Battelle Memorial Institute (BMI) at Pacific Northwest National Laboratory (PNNL) is an Affirmative Action/Equal Opportunity Employer and supports diversity in the workplace. All employment decisions are made without regard to race, color, religion, sex, national origin, age, disability, veteran status, marital or family status, sexual orientation, gender identity, or genetic information. All BMI staff must be able to demonstrate the legal right to work in the United States. BMI is an E-Verify employer. Learn more at

Minimum Qualifications

BS/BA with 5 years’ experience; MS/MA with 3 years of experience; PhD with 1 year experience.

Preferred Qualifications

• Bachelor’s Degree in Mathematics, Computer Science, a Physical Science, or Engineering with 10 years’ experience, Master’s Degree in Mathematics, a Physical Science, or Engineering plus 5+ years’ experience, or PhD with 4+ years’ experience. Preference will be given to those with training or experience in the atmospheric and oceanic sciences, and US Citizenship.
• Must be a technical expert who selects and widely applies principles, theories and concepts in a major field of specialization.

o Demonstrated experience with computer models such as CESM and/or WRF;
o Fluency in two or more of the following: Fortran, C, C++, and Python/shell scripting;
o Complex codes designed for scientific computing;
o High-performance computing environments;
o Data analysis and visualization software;
o Understanding of the numerical modeling techniques used in environmental sciences;
o Strong interpersonal communication skills;
o Strong team player with the willingness and ability to work independently.

Organization and Job ID

Job ID: 307817
Directorate: Earth & Biological Sciences
Division: Atmospheric Sciences & Global Change
Group: Earth System Analysis & Modeling