• Principal Software Developer

    General Dynamics Information Technology (Fairfax, VA)
    …10 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Principal Software Developer ** **We value:** + Writing code rather ... to Obtain:** None **Public Trust/Other Required:** Other **Job Family:** Software Development **Skills:** JavaScript,Microservices Architecture,RESTful Web Services, Software more
    General Dynamics Information Technology (06/12/25)
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  • Principal Full Stack Developer

    Leidos (Reston, VA)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal ** **Full Stack Developer ** in our **National Security Sector's (NSS) Cyber & ... forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (05/21/25)
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  • Principal Java Developer

    Leidos (Reston, VA)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal ** **Java Developer ** in our **National Security Sector's (NSS) Cyber & Analytics ... forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (05/16/25)
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  • Principal Cyber Support Developer

    ManTech (Chantilly, VA)
    ManTech seeks a motivated, career and customer-oriented ** Principal Cyber Support Developer ** to join our team in the **Chantilly, VA.** **Responsibilities ... Qualifications:** + Bachelor's degree or 4+ years of additional software development in lieu of degree + 7+ years...development in lieu of degree + 7+ years of software development experience + Experience with Git, Gitlab, developing… more
    ManTech (05/30/25)
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  • AI Software Developer

    ManTech (Chantilly, VA)
    **ManTech** seeks a motivated, career and customer-oriented **AI** ** Software Developer ** to join our team in the **Northern VA area** . As part of the position, ... you will act as a senior principal consultant designing and implementing individual components of PaaS and SaaS services for AI applications. This is a fully onsite… more
    ManTech (05/01/25)
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  • Senior Salesforce Developer

    Koniag Government Services (Chantilly, VA)
    …accounts, paid holidays, three weeks paid time off, and more. The Senior Salesforce Developer will build software applications by writing code in Java and ... and methodology for building applications within the Salesforce platform. Principal responsibilities will include but are not limited to:...+ Job Family Software and Systems Development + Job Function Salesforce Developer + Pay Type Salary… more
    Koniag Government Services (05/22/25)
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  • Principal /Sr. Principal

    Northrop Grumman (Fairfax, VA)
    …the office executing 2-week Sprints for 3-month increment deliveries. As a Software Engineer, you will design, develop, document, refactor, test, and debug ... applications software for a Ground Segment. Ultimately, you will support...willing to sit for a polygraph.** + Level 3 ( Principal ) BS + 5 years of exp; MS +… more
    Northrop Grumman (06/11/25)
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  • Senior/ Principal Software Engineer…

    Microsoft Corporation (Reston, VA)
    …and data platform development. We're looking to recruit both **Senior and/or Principal Software Engineer.** You will help conduct business reviews and ... to reshape security and empower every user, customer, and developer with a security cloud that protects them with...our Sovereign and Government Clouds. As a **Senior and/or Principal Software Engineer** you will work across… more
    Microsoft Corporation (06/27/25)
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  • Principal Solutions Architect, AI/ML,…

    Amazon (Herndon, VA)
    Description Amazon Web Services is seeking a Principal Generative AI Learning Solutions Architect to support our Intelligence Community customers in the Maryland, ... they perform AWS work. Key job responsibilities As a Principal AI/ML Solutions Architect (SA), you will be a...solutions. You will be familiar with the ecosystem of software vendors in the AI space as well as… more
    Amazon (06/21/25)
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  • Principal Integration Engineer

    Leidos (Chantilly, VA)
    …Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, ... Division (MDS) within the Leidos National Security Sector is seeking a skilled Principal Integration Engineer to join a new cyber security program and play a… more
    Leidos (06/30/25)
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  • Principal Engineer - Cloud Infrastructure

    Fannie Mae (Reston, VA)
    …work includes architecture, design, coding, testing, and certifying technology platforms, software , and applications. *THE IMPACT YOU WILL MAKE* The ideal candidate ... cloud platforms (AWS, Azure, GCP). The Cloud Infrastructure - Technology Engineering - Principal role will afford you the opportunity to work as an individual… more
    Fannie Mae (04/18/25)
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  • Principal DevOps Engineer

    Leidos (Reston, VA)
    …Confluence, Jenkins, and Katalon Studio. + Demonstrated experience working within a software development team and supporting developers and developer activities. ... forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (04/24/25)
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  • Principal Systems Engineer (Cloud)

    Navy Federal Credit Union (Winchester, VA)
    …with financial institutions security and investments + Previous hands-on experience as a software developer . Proven experience in software development in ... line of business, and includes multiple Stakeholders within NFCU together with software vendors + Perform other duties as assigned Qualifications + Bachelor's degree… more
    Navy Federal Credit Union (06/25/25)
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  • Systems Engineer Principal

    SAIC (Chantilly, VA)
    …capability. + Oversee system inventory, unit swap out, preparations for shipment/deployment, software maintenance. + Primary point of contact for system data output ... and data formatting. + Support the customer in evaluating developer technical performance. **Qualifications** **Qualifications:** + Experience with SIGINT system… more
    SAIC (06/23/25)
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  • Calling all Top Secret Cleared Software

    Northrop Grumman (Dulles, VA)
    …**We are recruiting for mid-level and senior engineers with a background in Software Engineering.** **_Key Skills include:_** + Full stack development at the OS, ... platform, and mission unique software layer + Developing client and server applications and...and static code analysis execution and finding remediation + Developer will be expected to be a self-starter capable… more
    Northrop Grumman (04/08/25)
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  • Software Engineer

    Nightwing (Sterling, VA)
    …TS/SCI with Polygraph clearance crossover.** Job Description: Nightwing is seeking a Principal Software Engineer with Python expertise to support the design, ... ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive… more
    Nightwing (06/24/25)
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  • United States Postal Service (USPS) Incumbent…

    General Dynamics Information Technology (Fairfax, VA)
    … + Java Developer + PowerApps Developer + SAP Developer + Software Automated Tester + Software Developer + SQL Developer + Systems Analysis ... + Cisco ISE Engineer + DNS/DHCP Network Engineer + Microsoft Power BI Developer + Principal Unix/Linux Systems Administrator + VPN Network Engineer +… more
    General Dynamics Information Technology (07/02/25)
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  • Sr. Security Engineer, Hardware Security Research,…

    Amazon (Herndon, VA)
    …rock-solid components to mentoring other engineers. You need to not only be a top software developer with a good track record of delivering, but also excel in ... want to help. You'll join a diverse team of software , hardware, and network engineers, supply chain specialists, security...long term risk mitigation guidance - Work directly with Principal , Senior Principal and Distinguished Engineers to… more
    Amazon (05/15/25)
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  • Multi Cloud Engineer

    SAIC (Chantilly, VA)
    …GED's Enterprise Data, Applications, and Platform (EDAP) transformation. As a **Multi-Cloud Principal Engineer** , your job duties will focus on requirements for ... in the execution of mission critical systems. + Represent the government at developer lead release and sprint planning events; ensuring that the government and… more
    SAIC (06/04/25)
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  • Classification Management Technical Professional

    KBR (Reston, VA)
    …handling, and potential future release. + Engage with government and third-party software developer stakeholders with respect to MLS tool functionality and ... and tools and environments. The ideal candidate shall: + Serve as the principal advisor on all classification and dissemination and related activities, ensuring all… more
    KBR (06/30/25)
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