Position Summary The Institute of Water Research is seeking a qualified Postdoctoral Scholar to develop, test, and document an integrated modeling framework linking the Soil and Water Assessment Tool (SWAT), MODFLOW, and the Water Quality Analysis Simulation Program (WASP). The selected candidate will design and implement data-exchange interfaces among the models; synchronize simulation time steps and spatial units; transfer hydrologic flows, groundwater exchange, constituent loads, and mass fl…

MPAS-JEDI is the backbone of NSSL's next-generation convective-scale modeling and data assimilation work — and it needs someone who can keep the software, the science, and the HPC infrastructure all moving together. As FWI's MPAS-JEDI Systems and Convective-Scale Modeling Specialist, you will develop, install, and support MPAS-JEDI and related modeling/data assimilation systems across HPC, cloud, and operational computing platforms, supporting WoFS and WoFSCast research and operational transiti…

The Mission, Concepts and Capabilities (MCC) division of Applied Research Associates, Inc. (ARA) is seeking a Senior Scientific Computing Software Developer for our Alexandria, VA location. The ideal candidate has interests in developing scientific computing software for a wide range of users. The candidate should have significant experience in developing scientific computing code with Rust, as well as running computational models to perform analysis and predictions of weapons effects. As such,…

Description SAIC seeks an experienced and energetic Senior Software Engineer to support the US Space Force, Space Systems Command, in performing operational maintenance and sustainment of ground-based radars critical to US and Allied strategic missile surveillance, warning, defense, and space surveillance missions in Colorado Springs, Colorado. In support of the government customer, the SAIC Program Manager, and the Chief Engineer, the Software Engineer is responsible for responsive and coheren…

Job Title: Senior Safety Verification and Validation Engineer Type: Contract (12-months) Contractor Work Model: Remote About the Role: As a Senior Safety V&V Engineer, you will be instrumental in verifying and validating safety assessment models and software integral to reactor safety analysis and licensing. You will work on developing and assessing benchmark models, ensuring compliance with NRC guidance (RG 1.203), and supporting safety methodology development for next-generation nuclear syste…

Description ARA is seeking a nuclear engineer to provide technical analysis on projects involving radiation detection, as well as radiation transport, shielding and nuclear weapons effects. Much of the work is focused on gamma and neutron radiation, but our work can also include charged particle radiation, as well as optical and electromagnetic signals. The candidate should have a background in nuclear engineering, radiation transport theory and radiation transport Monte Carlo codes. The candid…

ASRC Federal is a leading government contractor furthering missions in space, public health and defense. As an Alaska Native owned corporation, our work helps secure an enduring future for our shareholders. Join our team and discover why we are a top veteran employer and Certified Great Place to Work Location Aberdeen Proving Ground, MD (onsite, secure lab) Clearance Active DoW Secret clearance or higher required Employment type Full-time, exempt Agile Decision Sciences is seeking a Database En…

Overview We are seeking a highly motivated Postdoctoral Researcher to join an interdisciplinary team in the Department of Geographic and Environmental Sciences at the University of Louisville working on a NASA-funded project, "Advancing land cover/land use characteristics in short-range numerical weather prediction systems for urban areas," (80NSSC25K7495). The project addresses NASA Biosphere Land-Cover/Land-Use Change priorities, including the Land Use for Digital Twins (LU4DT) sub-element, b…

Eligible for hybrid/on-site work Boulder, CO Full time R2026107480 Job Description The Cooperative Institute for Research in the Atmosphere (CIRA) with Colorado State University (CSU) seeks to fill a full time, professional research associate position to conduct collaborative research with the National Oceanic and Atmospheric Administration (NOAA) at the Global Systems Laboratory (GSL) in Boulder, CO. The office for this position is located in Boulder, CO, at a federal facility, and requires th…

Job Description: Primary Responsibilities: Support new product development (NPD) through CAE simulations, including CFD and FEA. Responsibilities include axial and centrifugal fan design, internal flow path development, and structural integrity and durability. Support the Advanced Engineering team in the research and development of new to market products and technology. Perform and develop techniques for multi-physics simulations including conjugate heat transfer analysis, spray atomization, an…

Signalscape has supplied engineering services and products used for defense, intelligence, and law enforcement services to combat crime, fight terrorism, and provide for homeland security. In our 20 years, Signalscape is proud of becoming a premier provider of specialty wireless systems including audio, video, and data transmission systems for mission-critical applications. Our expertise ranges from miniature single board solutions for one-time mission critical applications to fully integrated …

Purpose of the Position: The selected candidate will support the Office of Data Science and Informatics (ODSI) within the Lab for Applied Science (LAS) under the Earth System Science Center (ESSC) at UAH. This role focuses on advancing data science capabilities to support NASA Earth science data management, access, and dissemination. ODSI evaluates trends across data science and informatics communities to inform strategic direction and develop effective, scalable solutions. The office also prov…

Description Join SAIC as a Modeling and Simulation Engineer and play a key role in driving innovation in complex system analysis and performance optimization. This position offers the opportunity to work with cutting-edge SAIC-developed, commercial, and government-sponsored models to evaluate and enhance next-generation physical systems, including aircraft, sensors, and missiles. If you’re passionate about combining your analytical skills with software development to solve real-world challenges…

Monte Sano Research Corporation (MSRC) is a Huntsville-based Small Business specializing in providing full-spectrum defense system engineering, research, design, development, integration, test, evaluation, and planning services to the U.S. Government. As an ESOP company, our employee-owners are personally invested in the success of our customers, our programs, and one another. Our primary focus at MSRC is to provide extraordinary talent to propel the Warfighter, and we seek to hire people who a…

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight a…

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight a…

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across t…

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers…

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers…

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers…