• Washington Metropolitan Area Transit Authority (Alexandria, VA)
    …under supervision of Project Manager with guidance from Construction Engineer , Construction Supervisor, and Construction Inspection team. **ESSENTIAL FUNCTIONS** ** ... Principal Job Duties** + Supports coordination of scope of...by project management team. May take meeting minutes, perform research and outreach, and develop presentations depicting project achievements… more
    DirectEmployers Association (12/05/25)
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  • Principal Research Engineer

    Oracle (Washington, DC)
    …machine learning and optimization. Our AI and Applied Science team is looking for a Principal Research Engineer to work on foundational technology for our AI ... Data platform and intelligent applications. In this role you will bridge core AI development and production implementation and take responsibility for building codebases and infrastructure for highly visibly AI products from the ground up. You will partner… more
    Oracle (12/16/25)
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  • Principal Systems Engineer - active…

    V2X (Suitland, MD)
    …challenges with integrity, respect, responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS/SCI clearance to support our ... ability to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior-level Principal Systems Engineer shall lead a diverse, multi- disciplinary team… more
    V2X (11/15/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …of the full benefits package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer ) to join our team in support of our ... team at the Office of Naval Research (ONR) in Arlington, VA. Please note: This role...be eligible to obtain a Top Secret clearance. The Principal Network Systems Engineer will be responsible… more
    Saliense Consulting (12/19/25)
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  • AI Cybersecurity Engineer Principal

    General Dynamics Information Technology (Fairfax, VA)
    …your career while impacting our national security in cyber as an **AI Cybersecurity Engineer Principal ** at GDIT. Here, technologists have many paths to grow a ... the federal government. **MEANINGFUL WORK AND PERSONAL IMPACT** _As an_ **_AI Cybersecurity Engineer Principal_** _, the work you'll do at GDIT will be impactful to… more
    General Dynamics Information Technology (12/17/25)
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  • Command, Control, Communications, and Battle…

    Chenega Corporation (Fort Belvoir, VA)
    Command, Control, Communications, and Battle Management (C3BM) Principal Systems Engineer Ft. Belvoir, VA Join our Talent Network Command, Control, ... Communications, and Battle Management (C3BM) Principal Systems Engineer Ft. Belvoir, VA Are...feel prepared and confident. To help you with your research , we suggest you review the following links: Chenega… more
    Chenega Corporation (12/14/25)
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  • Lead/ Principal Nuclear Engineer

    MPR Associates (Alexandria, VA)
    …team and project management responsibilities will be included. Duties/Responsibilities The Lead/ Principal Nuclear Engineer will: + Plan, lead, and enable the ... consulting firm, is actively seeking capable and motivated Lead/ Principal Nuclear Engineers to join our team. If you...an on-going basis for operating nuclear plants and other research and test facilities. We are currently seeking an… more
    MPR Associates (09/26/25)
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  • Senior Principal Software Engineer

    Oracle (Washington, DC)
    …Seattle, WA * Optional: Redwood City, CA **Job Description** As a Senior Principal Engineer in Oracle Cloud Infrastructure, you will provide key technical ... pipeline to the cloud. The charter is responsibility for research , design, implementation and operation of a new set...animation and game development studios is highly desired. Senior Principal Engineer is an individual contributor role… more
    Oracle (11/25/25)
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  • Principal Network Engineer

    Alaka'ina Foundation Family of Companies (Fort Belvoir, VA)
    Principal Network Engineer - Cyberspace Network Operations (CNO) Location VA - Fort Belvoir Job Code 13424 # of openings 1 Apply Now ... of Companies (FOCs) has a potential need for a Principal Network Engineer - Cyberspace Network Operations...Engineer - Cyberspace Network Operations (CNO) to provide research support administration services for our government customer in… more
    Alaka'ina Foundation Family of Companies (12/19/25)
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  • Principal HPC Software Engineer

    GliaCell Technologies (Annapolis Junction, MD)
    Are you a Principal HPC Software Engineer who is ready for a new challenge that will launch your career to the next level? + Tired of being treated like a ... Ability to work with some amazingly talented people Job Description: GliaCell is seeking a Principal HPC Software Engineer on one of our subcontracts. This is a… more
    GliaCell Technologies (11/21/25)
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  • Information Systems Security Engineer

    Amentum (Fort Meade, MD)
    …Security, & Intel space? If so, look no further. Amentum is seeking a ** Principal Information Systems Security Engineer ** to join our team of passionate ... products and processes. **Responsibilities:** The **Senior Information Systems Security Engineer (ISSE)** shall deliver and lead threat-informed cybersecurity products… more
    Amentum (10/23/25)
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  • Principal Engineer - Android…

    Marriott (Bethesda, MD)
    …Package:** Y **Expiration Date:** 12/23/2025 **Join Our Android Platform Team as a Mobile Principal Engineer - Shape the Future of the Marriott Bonvoy App!** Are ... our feature teams. You'll collaborate with top-tier talent-including other Principal Engineers, Engineering Directors, Solution Architects, Feature Team Tech Leads,… more
    Marriott (12/19/25)
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  • Principal Application Engineer

    MathWorks (Chevy Chase, MD)
    Principal Application Engineer - Model Based Design Apply Now + Job: 35611-TPEN + Team:Technical Sales Engineering + Location: US-MD-Chevy Chase + Salary Range: ... enable them to create solutions with MathWorks products. As an Application Engineer focused on Model-Based Design, you will help understand customer needs, provide… more
    MathWorks (12/03/25)
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  • Sr Principal Cyber Software Engineer

    Northrop Grumman (Jessup, MD)
    …Northrop Grumman. We are looking for you to join our team as a Sr Principal Cyber Software Test Engineer based out of Annapolis Junction, MD. **What You'll ... & Secure Solutions Operating Unit is actively seeking a talented SW Test Engineer expert to join a Northrop Grumman primed program. This position's work location… more
    Northrop Grumman (12/05/25)
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  • Principal Quality Engineer

    Northrop Grumman (Annapolis, MD)
    …Grumman Mission Systems, located in **Annapolis, MD** has an immediate need for a ** Principal Quality Engineer .** **What You'll Get to Do:** The Quality ... material, production control, product evaluation and reliability, inventory control and/or research and development as they apply to product or process quality.… more
    Northrop Grumman (12/18/25)
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  • Principal Software Engineer - AI…

    Oracle (Washington, DC)
    **Job Description** The Senior Principal AI/ML Software Engineer is responsible for evaluating, integrating, and optimizing cutting-edge technologies for AI/ML ... and implementation of scalable orchestration for AI/ML workloads-incorporating the latest research in generative AI and large language models-and leads initiatives… more
    Oracle (11/25/25)
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  • Sr Principal Software Engineer

    Oracle (Washington, DC)
    …* Optional: Seattle, WA * Optional: Redwood City, CA **Job Description** As a Senior Principal Engineer in this space, you will have broad ownership of core ... and lead initiatives with confidence and independence. **Responsibilities** **Responsibilities** + Research in state of the art of specific technical focus areas.… more
    Oracle (11/25/25)
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  • Senior Principal DevOps Lead…

    RTX Corporation (Fulton, MD)
    …market. Collins Aerospace is currently seeking a self-motivated and talented **Senior Principal ** **DevOps Lead Engineer ** who is seeking a challenging new ... the pipelines to include automated deployment and test (CI/CD) + Proactively research new CI/CD solutions, tools (DevSecOps platform), and capabilities, and develop… more
    RTX Corporation (10/17/25)
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  • Principal Environmental Engineer

    Washington Suburban Sanitary Commission (WSSC) (Laurel, MD)
    Position Information Functional TitlePrincipal Environmental Engineer Recruitment Category TypeStandard Functional CategoryOperational Reliability and Resilience ... Position LocationLaurel Position Summary Information General Summary ThePrincipal Environmental Engineer - Operational Reliability and Resiliencemanages considerable environmental engineering… more
    Washington Suburban Sanitary Commission (WSSC) (12/13/25)
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  • Senior Principal AI Software…

    Oracle (Washington, DC)
    …a service, network monitoring and network automation. **Responsibilities** As a Senior Principal AI Networking Developer you will be responsible for building and ... orchestration for serving and training AI/ML models + Explore and incorporate contemporary research on AI, agents, and inference systems into the software stack for… more
    Oracle (12/09/25)
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