• Principal Software Systems

    RTX Corporation (Sterling, VA)
    …a security clearance **Security Clearance:** DoD Clearance: Secret Collins Aerospace is looking for a Principal Software Systems Engineer - IPT Lead with ... and military customers. https://www.collinsaerospace.com/what-we-do/industries/military-and-defense/navigation/airborne-products/attitude-and-heading-reference-system/athena-gs111r-uas-autopilot-adahrs-pnt-hub As a Software Systems Engineer more
    RTX Corporation (10/29/25)
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  • Principal /Sr. Principal Cyber…

    Northrop Grumman (Chantilly, VA)
    …best work of your career. We are looking for you to join our team as a ** Principal ** **Cyber Software Test Engineer ** and **Sr. Principal ** **Cyber ... to management in a timely manner and make recommendations **Basic Qualifications for a Principal Cyber Software Test Engineer :** + **Candidate must currently… more
    Northrop Grumman (11/01/25)
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  • Principal Software Engineer

    RTX Corporation (Sterling, VA)
    …citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Principal Software Engineer ** **- Training System Software ... (Onsite)** **Role Description: ** We are searching for a Principal Software Engineer to join...and help onboard junior team members. + Contribute to software and systems engineering requirements capture and… more
    RTX Corporation (11/19/25)
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  • Principal /Sr. Principal Cyber…

    Northrop Grumman (Fairfax, VA)
    …of the best work of your career. We are looking for you to join our team as a Principal Cyber Systems Engineer or Sr. Principal Cyber Systems ... program-related meetings with external contractors/offices. This requisition may be filled at either a Principal Cyber Systems Engineer or Sr. Principal more
    Northrop Grumman (11/21/25)
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  • Principal Software Engineer

    ManTech (Reston, VA)
    …**Reston, VA.** This is an onsite position. The ** Principal Software Engineer ** will work with Network and Systems Engineers to design, build, monitor, ... ManTech seeks a motivated, career and customer-oriented ** Principal Software Engineer ** to...not limited to:** + Designing, developing, programming, and modifying software , systems , applications, and tools, both existing… more
    ManTech (09/10/25)
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  • Systems Test Engineer

    Northrop Grumman (Chantilly, VA)
    …Mission Systems ** is seeking a candidate to fill a ** Systems Test Engineer / Principal Systems Test Engineer ** position. This position will ... Support the assembly, test, and documentation for hardware components, software operations, and high-level systems + Collaborate...kits. This requisition may be filled at either the ** Systems ** **Test Engineer ** or ** Principal **… more
    Northrop Grumman (10/23/25)
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  • Sr. Principal Cyber Software

    Northrop Grumman (Chantilly, VA)
    …of your career. **Northrop Grumman Mission Systems ** is seeking an experienced **Senior Principal Cyber Software Engineer ** to join our team supporting a ... Sector site in Chantilly, VA. As a Senior Software Engineer on the Mobile Development team,...engineering with Ghidra or IDAPro. + Experience designing embedded software systems . + Experience developing Flutter applications.… more
    Northrop Grumman (10/21/25)
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  • Principal , Software Engineer

    Walmart (Herndon, VA)
    **Position Summary ** **What you'll do ** As a Principal Engineer , you will play an important role in shaping the technical direction and running Walmart Global ... and members. **About the Global Technology Network Engineering and Operations Team:** The Principal Network Engineer will report to the Senior Director of… more
    Walmart (10/02/25)
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  • Principal Software Engineer

    ManTech (Reston, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Principal Software Engineer ** to join our team in the **Reston or Chantilly, VA** location. ... be dedicated full-time to development and enhancement support for existing software and systems solutions and the development of new solutions as required.… more
    ManTech (09/11/25)
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  • Principal /Sr. Principal

    Northrop Grumman (Dulles, VA)
    …Northrop Grumman Space Systems Sector seeks a qualified Principal or Senior Principal Systems Engineer for the role of Ground Segment Systems ... technical briefings to customers and mission partners **\#NOVASPACE** **Basic Qualifications:** + ** Principal Engineer Level (T3)** - BS in STEM - Science,… more
    Northrop Grumman (10/17/25)
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  • Principal UI/UX Software

    SOS International LLC (Reston, VA)
    …scale for government and commercial clients. **Job Description** **Overview** We are seeking a Principal UI/UX Software Engineer with over 25 years of ... 25+ years of progressive, hands-on experience as a UI/UX developer and software engineer , with a strong portfolio showcasing technical leadership and… more
    SOS International LLC (11/21/25)
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  • Principal Systems Engineer

    Curtiss-Wright Corporation (Ashburn, VA)
    …a **_Principal Systems_** **_Engineer_** to join our team in Ashburn VA. As our Principal Systems Engineer you will be an **_industry-recognized expert in ... ** Principal Systems ** ** Engineer -Defense-Onsite** **Position**...company that directly supports them. + Knowledge of system hardware/ software development, integration and test for deployed military vehicle… more
    Curtiss-Wright Corporation (11/18/25)
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  • Principal Systems Engineer

    Shuvel Digital (Dulles, VA)
    Job Title: Principal Systems Engineer Location: Dulles, VA - Hybrid Duration: Contract Clearance: Active Secret. Must be able to obtain DHS Suitability. Must ... capabilities to address emerging threats. We are seeking a Principal Systems Engineer to assess,... engineering experience such as allocation of hardware and software requirements, development of use cases and stories, Detailed… more
    Shuvel Digital (09/25/25)
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  • Principal / Sr Principal Vehicle…

    Northrop Grumman (Dulles, VA)
    …processing will be coordinated through program Security. **Basic Qualifications** **:** + ** Principal Engineer ** - Bachelor's degree or higher in Aerospace ... part of history, they're making history. Northrop Grumman Space Systems Sector seeks a qualified Vehicle Engineer ...degree and 6 years of applicable experience. + **Sr. Principal Engineer ** - Bachelor's degree or higher… more
    Northrop Grumman (10/31/25)
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  • Engineer / Principal Engineer

    Northrop Grumman (Dulles, VA)
    …and test activities at a customer location. This position may be filled as an Engineer (level 2) or Principal Engineer (level 3) depending on how ... history. Northrop Grumman has an immediate opening for a Systems Test Engineer on an exciting program...new features, enhancements, and fixes for an integrated LINUX-based hardware/ software platform. + Create detailed test plans and procedures… more
    Northrop Grumman (11/21/25)
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  • Principal Cobol/ Pega Software

    CareFirst (Reston, VA)
    …and adheres to the plan. Leads stakeholder and product owner meetings to define software requirements and creates highly complex systems . Acts as a mentor to ... of existing applications. Compile, assess, and report data results from software testing and analysis. Experience building cloud ready applications. Design and… more
    CareFirst (10/22/25)
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  • Principal Systems Engineer

    RTX Corporation (Sterling, VA)
    …are eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret ** Principal Systems Engineer ** **- Operational Expert** This position ... who diagnose, troubleshoot, repair, and debug complex electro/mechanical equipment, computer systems , and/or complex software not related to information… more
    RTX Corporation (11/04/25)
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  • Principal Systems Engineer

    RTX Corporation (Dulles, VA)
    …problems that create a safer, more secure world. Raytheon Technologies is seeking a Principal Systems Engineer (MBSE) to provide enterprise-wide systems ... models to analyze and optimize the performance of complex systems . Work with a variety of software ...complex systems . Work with a variety of software and programming languages to simulate real-world scenarios and… more
    RTX Corporation (10/13/25)
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  • Acquisition Systems Engineer Senior…

    SAIC (Chantilly, VA)
    …efforts as part of an exciting and innovative set of programs. The **Acquisition Systems Engineer ** provides support to the Systems Program Office (SPO) ... in acquisition and execution of mission critical systems . The Acquisition Systems Engineer ...engineering and integration; enterprise IT, including cloud services; cyber; software ; advanced analytics and simulation; and training. We are… more
    SAIC (11/21/25)
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  • Sr. Principal DevOps Deputy/Lead…

    Northrop Grumman (Dulles, VA)
    …Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations ... We have an opening for a **Deputy/Lead DevOps Lead Engineer ** to join our team of qualified, diverse individuals...lieu of degree. + 5+ years of DevOps or software development experience (general IT experience alone not sufficient)… more
    Northrop Grumman (11/04/25)
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