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Global Aerosol Data Assimilation Scientist
Lynker
College Park, MD, USA
USD 90k-106k / year + Equity
Posted on Feb 20, 2026
Global Aerosol Data Assimilation Scientist
Location US-MD-College Park
ID 2026-1497
- Category
- Physical Scientist
- Position Type
- Full-Time
- Remote
- Yes
- Posted Salary Range
- USD $90,000.00 - USD $106,000.00 /Yr.
Overview
Lynker Corporation is a leading provider of innovative solutions in weather and climate science. With a commitment to excellence and a passion for innovation, Lynker leverages cutting-edge technologies and scientific expertise to support the creation and delivery of improved operational weather forecasts.
Lynker is seeking a highly-skilled and experienced candidate to support the Environmental Modeling Center (EMC) of the National Centers for Environmental Prediction (NCEP) in the cutting-edge research, development, and operational transition of the Global Chemistry Analysis and Forecast System (GCAFS) aerosol data assimilation (DA) within the Unified Forecast System (UFS) framework.
The candidate's work will focus on the scientific advancement and successful implementation of the GCAFS aerosol DA system. The ideal candidate will be an expert in the Joint Effort for Data Assimilation Integration (JEDI) framework, advanced computational science, and sophisticated data assimilation principles to enhance the performance, stability, and future development of the GCAFS system.
Responsibilities
The candidate will perform their job duties to a high standard, working both independently and
collaboratively, focusing on scientific developments that advance GCAFS within the JEDI
framework and ensure a smooth transition to operation. Key responsibilities include:
● Lead the advancement and tuning of the JEDI-based GCAFS aerosol DA system
● Design, develop, and maintain advanced DA algorithms in the GCAFS system, focusing
on key aerosol species
● Conduct comprehensive, long-term cycling data assimilation experiments
● Advance the use of observations and quality control in GCAFS.
● Improve data assimilation and observation diagnostics for GCAFS.
● Rigorously evaluate GCAFS aerosol analysis and forecast results against independent
data, including CAMS, MERRA2 reanalyses.
● Investigate and resolve GCAFS model and DA issues, using data analysis tools to
identify the cause of issues.
● Advance global workflow for GCAFS, ensuring readiness for both retrospective and real-
time experiments.
● Assist in the operational transition of the GCAFS aerosol DA system
Qualifications
Required:
- Expert knowledge of the physical and mathematical basis of geophysical modeling.
- Advanced knowledge and hands-on experience with the Joint Effort for Data Assimilation Integration (JEDI) framework.
- Experience with Python and associated libraries used for data analysis in geosciences.
- Advanced knowledge and experience of modern programming languages such as object-oriented FORTRAN and/or C++.
- Experience in model testing and evaluation and/or knowledge of verification principles.
- Experience working in a UNIX environment with advanced scripting languages
- Experience with high-performance computing (HPC) environments and technologies such as MPI and OpenMP.
- Ability to work independently and in a team environment on complex problems.
- Good oral and written communication skills in English.
Desired:
- Knowledge of DA application to aerosols and atmospheric chemistry
- Knowledge of aerosol modeling, model physics and emissions tuning.
- Knowledge of Earth observing systems used for aerosols and chemistry.
- Knowledge of modern software engineering practices (version control, integration, testing, and documentation).
- Experience in running numerical models on High Performing Computer (HPC) platforms using MPI, OpenMP, Slurm, LSF, etc.
- Demonstrated skill in performing tasks requiring organization and attention to detail.
About Lynker
Lynker is a growing, employee owned, small business, specializing in professional, scientific and technical services. Our continually expanding team combines scientific expertise with mature, results-driven processes and tools to achieve technically sound, cost effective solutions in hydrology/water sciences, geospatial analysis, information technology, resource management, conservation, and management and business process improvement.
We focus on putting the right people in the right place to be effective. And having the right people is critical for success. Our streamlined organization enables and empowers our talented professionals to tackle our customers' scientific and technical priorities – creatively and effectively.
Lynker offers a team-oriented work environment, and the opportunity to work in a culture of exceptionally skilled professionals who embrace sound science and creative solutions. Lynker's benefits include the following:
- Comprehensive healthcare for the employee at no monthly cost
- Healthcare benefit covers medical, prescription drug, dental, and vision
- Personal Time Off (PTO) Policy plus paid holidays
- Highly competitive compensation plan regularly calibrated against industry and location benchmarks
- 401(k) retirement plan with company-matching
- Employee Stock Ownership Plan (ESOP) – we're all company owners!
- Flexible spending accounts
- Employee assistance program (EAP)
- Short- and long-term disability insurance
- Life and accident insurance
- Tuition assistance/Training/Workforce improvement reimbursement per year
- Spot bonuses for exceptional performance
- Annual Employee Recognition Awards with bonuses
- Employee Referral Program
- Free centralized, self-directed Learning Management System to learn at your own pace
- Personalized career growth plans for every employee
Lynker is an E-Verify employer.
Lynker is an equal opportunity employer and makes all employment decisions based on merit, qualifications, and business needs. We do not discriminate on the basis of race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, marital status, veteran status, or any other legally protected status under federal, state, or local laws.
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