• Principal Systems Engineer

    RTX Corporation (Sterling, VA)
    …a security clearance **Security Clearance:** DoD Clearance: Top Secret ** Principal Systems Engineer ** **- Operational Expert** This position is within ... and Services (SS&S) business area. SS&S develops and builds simulators and training systems for both military and commercial customers, with the primary focus being… more
    RTX Corporation (11/04/25)
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  • Principal Systems Engineer

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

    Saliense Consulting (Arlington, VA)
    …the design, implementation, documentation, and troubleshooting of the enterprise server environment. The Principal Systems Engineer must have the ability to ... package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer ) to...and Lambda + Experience supporting Cloud Architects to provide operational network architectures to meet mission system and development… more
    Saliense Consulting (12/05/25)
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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 ... tasking dictated by the customer's mission and a 24/7/365 operational tempo managed by Internal Product Team (IPT) leads...kits. This requisition may be filled at either the ** Systems ** **Test Engineer ** or ** Principal **… more
    Northrop Grumman (10/23/25)
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  • Principal Verification and Validation…

    BAE Systems (Rockville, MD)
    …+ Develop technical documentation, data, presentations, and white paper submissions for Lead Systems Engineer and chief engineers for approval + Engage with ... **Job Description** BAE Systems is seeking a full-time Principal ...have excellent written and verbal communication skills. As a Principal Verification and Validation Engineer , your responsibilities… more
    BAE Systems (11/11/25)
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  • Principal Network Systems

    RTX Corporation (Dulles, VA)
    …Managed by Collins Aerospace **Applied Signal Technology (AST)** is seeking a ** Principal Networking Systems Engineer ** specializing in infrastructure design ... below: Applied Signal Technology: WHO WE ARE (https://www.collinsaerospace.com/what-we-do/industries/military-and-defense/communications/applied-signal-technology) The ** Principal Networking Systems Engineer ** must… more
    RTX Corporation (12/02/25)
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  • Space Principal /Sr. Principal

    Northrop Grumman (Mclean, VA)
    …Write status and technical performance reviews, analyses and reports **Basic Qualifications:** + ** Principal Systems Engineer ** - Bachelors of Science degree ... will also include responsibilities relating to integration, testing, and operational readiness of spacecraft and payloads. Candidate may be...3+ years of experience; or a PhD + **Sr. Principal Systems Engineer ** - Bachelors… more
    Northrop Grumman (11/13/25)
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  • Principal Elasticsearch Systems

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal ** **Elasticsearch Systems Engineer ** in our **National Security Sector's ... more. **Join us and make a difference in National Security!** **Job Summary** The Principal Elasticsearch Systems Engineer role provides support across an… more
    Leidos (10/30/25)
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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 ... within the Intelligence Community. The ideal candidate will apply Model-Based Systems Engineering (MBSE) and Digital Engineering practices to define system… more
    RTX Corporation (10/13/25)
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  • CCSS Principal Systems

    RTX Corporation (Springfield, VA)
    …a safer, more secure world. Raytheon Field Engineering is anticipating an opportunity for a Principal Systems Engineer . This role is suited for a motivated ... in Washington, DC and involves supporting the WHCA Secure Voice Network (WHSVN) C2 systems and acquisition projects. These efforts are in support of the Command and… more
    RTX Corporation (11/13/25)
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  • Principal or Senior Principal

    Northrop Grumman (Fairfax, VA)
    …Our employees are not only part of history, they're making history. Northrop Grumman Aeronautics Systems is looking to add a ** Principal or Senior Principal ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...location. _This position can be filled at either the Principal Field Service Engineer OR Senior … more
    Northrop Grumman (12/04/25)
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  • Principal / Sr. Principal DevOps…

    Northrop Grumman (Chantilly, VA)
    …architecture & mission operations This requisition may be filled at either the ** Principal DevOps Software Engineer ** or **Senior Principal DevOps Software ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,... Engineer ** level. **Basic Qualifications for** ** Principal DevOps Software Engineer ** **:** + Must… more
    Northrop Grumman (12/04/25)
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  • Senior Principal Software Engineer

    Mastercard (Arlington, VA)
    …strategies and decisions. All About You: * Proven experience as a Senior Principal Engineer or equivalent in enterprise data architecture, data engineering, or ... and governments realize their greatest potential._ **Title and Summary** Senior Principal Software Engineer , Data Architecture Overview: Mastercard's Data &… more
    Mastercard (10/17/25)
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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...Document procedures used during deployment cycles + Experience with operational monitoring tools + Work with the fellow DevOps… more
    Northrop Grumman (11/04/25)
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  • Principal RF Engineer

    CACI International (Springfield, VA)
    Principal RF Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel ... Continental US * * * CACI is hiring a Principal Electrical Engineer that will Leads project...worldwide to install, maintain and upgrade complex electronic mission systems , security systems and antennas. You will… more
    CACI International (10/31/25)
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  • Principal Software Engineer

    Oracle (Washington, DC)
    **Job Description** Join the OCI Resource Analytics Team as a Principal Software Engineer - Oracle Data Warehouse & PL/SQL Expert. We're building a cutting-edge ... insights into inventory, compliance, and cost trends. As a Principal Software Engineer , you will take ownership...developing, designing and debugging of software applications or operating systems . As a Principal Member of Technical… more
    Oracle (12/04/25)
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  • Senior Principal Software Engineer

    Oracle (Washington, DC)
    …development engineering team is seeking a highly driven GPU platform software & system development engineer at the Principal Engineer level. We are at the ... of AI accelerators and hardware solutions. As a Senior Principal software engineer , part of our growing...AI hardware, AI accelerators, including custom-designed AI chips and systems and software to drive next-gen Cloud AI Infrastructure… more
    Oracle (11/25/25)
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  • Principal Software Development…

    Oracle (Washington, DC)
    …basis, drive tactical execution of features and projects, and own feature design. As a Principal Engineer on the Oracle Cloud Marketplace team, you will set the ... Assistance provided. (This is** **not** **a remote position)** **Responsibilities** As a Principal Software Engineer on this team, your responsibilities will… more
    Oracle (11/25/25)
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  • Principal Software Engineer

    Oracle (Washington, DC)
    …configure, secure, and validate server platforms across OCI's global fleet. As a Principal Engineer , you will architect and deliver highly available services and ... **Job Description** Oracle Cloud Infrastructure (OCI) is looking for a Principal Software Engineer to lead the development of scalable, resilient, and secure… more
    Oracle (11/25/25)
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  • Principal Software Development…

    Oracle (Washington, DC)
    …issues. Develops new metrics and dashboards to improve situational awareness. Leads operational assessments for complex systems ensuring operational issues ... connective tissues and purpose-built solutions. We are seeking a **Software Development Engineer (SDE)** to join ASC team within the Oracle Government Defense… more
    Oracle (11/25/25)
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