• Senior Systems Administrator

    Leidos (Vienna, VA)
    …weeks** + Candidates must successfully complete a **medical clearance process** prior to starting work. **Primary Responsibilities include:** + Management of ... and Observability, Identity and Access management + Experience in Database Administration and system monitoring, including Linux command-based troubleshooting +… more
    Leidos (07/29/25)
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  • Data Engineer

    ManTech (Ashburn, VA)
    …architecture, design and implementation/migration. + Experience with one or more relational database systems such as Oracle, MySQL, Postgres, SQL server, etc. ... limited to:** + Responsible for data analysis of large database tables to understand the data structures, definitions and...citizen with the ability to obtain DHS CBP suitability prior to starting this position. **Physical Requirements:** + The… more
    ManTech (07/08/25)
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  • Backend Developer

    ManTech (Ashburn, VA)
    …more relational database systems (eg, Oracle, MySQL, Postgres) and with SQL and developing complex SQLs involving multiple databases. + Hands-on experience with ... to conceptual design, and routinely collaborate with Enterprise/Application architects, Database Architects, Data Scientists, and mission stakeholders. + Develop new… more
    ManTech (07/08/25)
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  • Full Stack Java Developer

    CACI International (Ashburn, VA)
    …**Responsibilities:** + Designing, developing, and implementing custom software and database application capabilities for a variety of legacy and modernized ... with source code control systems and concurrent development workflows (Git preferred) + Experience using SQL or PL/ SQL to access Oracle, MySQL, or SQL Server… more
    CACI International (08/09/25)
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  • Systems Engineer 5

    M. C. Dean (Vienna, VA)
    …experience with 3PAR, NetApp, Dell/EMC, Pure Storage, etc. + Experience designing and deploying SQL Database Infrastructure such as Microsoft SQL Server. + ... and proactively control and manage changes to requirements, considers impacts prior to commitment to change, gains stakeholder buy-in, eliminates ambiguity, ensures… more
    M. C. Dean (07/15/25)
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  • Senior Environmental Systems Engineer

    Leidos (Reston, VA)
    …a technical systems integration team (system administrators, software developers, database administrators, data managers, GIS operators) in the development, testing, ... and maintenance of new .NET, JavaScript, T- SQL applications, and extending the functionality of SaaS applications. * **Support** multiple projects related to… more
    Leidos (05/29/25)
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  • Senior Data Analyst

    ManTech (Ashburn, VA)
    …business problems, and routinely collaborate with enterprise/application architects, database architects, data scientists, and mission stakeholders. + Extract, ... + Hands on experience with one or more relational database systems (eg, Oracle, MySQL, Postgres) + Hands on...(eg, Oracle, MySQL, Postgres) + Hands on experience with SQL + Strong written and verbal communication skills. **Preferred… more
    ManTech (06/26/25)
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  • Mobile Application Developer

    Leidos (Ashburn, VA)
    …of JAVA, Node JS applications. + Requires experience in both NoSQL and SQL database 's. + Must have strong application testing discipline. + Experience ... VA, 2 twice a week **Basic Qualifications:** + BS/BA degree and 12 years of prior relevant experience or Master's with 10 years of prior relevant experience; or… more
    Leidos (08/02/25)
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  • Test Engineer

    Nightwing (Sterling, VA)
    …Security Testing: Experience with performance and security testing techniques and tools. + Database Knowledge: Familiarity with SQL and database operations. ... and Mission Partners in the evaluation of software and associated documentation prior to release, deployment, or installation. + Develop tool chains, automated test… more
    Nightwing (06/27/25)
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  • Data Scientist

    Leidos (Mclean, VA)
    …automated solutions for complex business challenges. + Construct and execute complex database search queries across multiple databases using SQL and API ... + BS degree and 8 - 12 years of prior relevant experience or Masters with 6 - 10...domain. + Experience with Python is required. + Strong SQL skills and experience with relational databases and APIs… more
    Leidos (08/08/25)
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