• On-Call Scientific Software Engineer…

    ICF (Reston, VA)
    Description **On-Call Scientific Software Engineer (Climate)** **Location: US Remote** ICF seeks a ** Scientific Software Engineer** for the ClimateSight ... and technical experts to transform experimental code into robust, production-ready software . The engineer will lead efforts to refactor and optimize Python-based… more
    ICF (08/01/25)
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  • Scientific Software Developer (DC,…

    Stellar Science (Vienna, VA)
    …engineering field + Ability to implement, understand, and maintain mathematical and scientific codes + Substantial software development experience + Interest in ... We hire smart Scientists and Software Engineers who love to create and maintain high quality, extensible scientific codes, and want to learn and adopt modern C++… more
    Stellar Science (08/07/25)
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  • Junior Software Engineer

    Cinteot (Herndon, VA)
    …file maintenance routines, large telecommunications networks, computer accounting, and advanced mathematical/ scientific software packages. Assist all phases of ... Software Engineer Location - Herndon, VA The selected...The selected candidate will formulate/define specifications for complex operating software programming applications or modify/maintain complex existing applications using… more
    Cinteot (08/07/25)
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  • C++ Software Engineer (DC, NoVA)

    Stellar Science (Vienna, VA)
    …degree desired. Join our unique, collaborative team to help implement leading-edge scientific software tools in fascinating domains including space situational ... Stellar Science is seeking several modern C++20/23 Software Engineers with three or more years of industry experience creating reusable, maintainable code solving… more
    Stellar Science (08/07/25)
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  • Group Leader - Compute

    Pacific Northwest National Laboratory (Richmond, VA)
    …to cutting-edge resources, including high-performance computing (HPC), GPU-accelerated compute, scientific software , research data management (featuring the PNNL ... within the Lab, focused on a specific area of scientific research or other function, with its own leadership...As one of three foundational pillars within RC, Compute, Software , and Data, this group provides the technical backbone… more
    Pacific Northwest National Laboratory (08/13/25)
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  • Software Developer 3

    Koniag Government Services (Chantilly, VA)
    …Provides expertise and direction in the development and/or modification of computer-based scientific , technical, and business software systems. + Uses expertise ... a Koniag Government Services company, is seeking an experienced ** Software Developer** with a Secret clearance to support KTIS...to design develop, code, test, and debug software . + May work in one or several areas,… more
    Koniag Government Services (08/02/25)
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  • Software Engineer - SME

    KBR (Chantilly, VA)
    …development, implementation, maintenance, configuration management and quality control of software for scientific /engineering applications + Define system and ... Title: Software Engineer - SME Belong. Connect. Grow. with...the future of space defense. KBR is seeking a Software Engineer SME to join our team. The candidate… more
    KBR (07/22/25)
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  • Senior Software Engineer

    KBR (Chantilly, VA)
    …development, implementation, maintenance, configuration management and quality control of software for scientific /engineering applications + Define system and ... Title: Senior Software Engineer KBR is seeking a Senior Software Engineer to join our team. The candidate will leverage their extensive software engineering… more
    KBR (06/03/25)
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  • Software Engineer - Mid

    KBR (Chantilly, VA)
    …development, implementation, maintenance, configuration management and quality control of software for scientific /engineering applications + Define system and ... Title: Software Engineer - Mid Belong. Connect. Grow. with...future of space defense. KBR is seeking a Mid-Level Software Engineer to join our team. The candidate will… more
    KBR (07/22/25)
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  • Junior Software Engineer (TS/SCI CI Poly)

    SMX (Chantilly, VA)
    …and capabilities, performance requirements and interfaces. + Design, develop and modify software systems, using scientific analysis and mathematical models to ... Junior Software Engineer (TS/SCI CI Poly) (4405)at SMX(View all...jobs) (https://www.smxtech.com/careers/) Chantilly, VA SMX is seeking a **Jr. Software Engineer** in our Chantilly, VA office in support… more
    SMX (08/04/25)
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