• Principal Systems Engineer

    V2X (Suitland, MD)
    …complex challenges with integrity, respect, responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS/SCI clearance to ... 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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  • Senior Principal Systems

    General Dynamics Information Technology (Washington, DC)
    …8 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Principal Systems Engineer - Messaging - Active Top Secret ... Required** Seize your opportunity to make a personal impact as a ** Principal Systems Engineer - Messaging** with GDIT. We're seeking a highly skilled … more
    General Dynamics Information Technology (12/10/25)
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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 you ready to enhance your skills and build your career in a… more
    Chenega Corporation (12/14/25)
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  • Principal Systems Engineer

    RTX Corporation (Springfield, 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 ... involves supporting the WHCA Secure Voice Network (WHSVN) C2 systems and acquisition projects. These efforts are in support...are in support of the Command and Control Switching Systems (CCSS) Program. What You Will Do + Take… more
    RTX Corporation (11/13/25)
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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 ... 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… more
    Saliense Consulting (12/19/25)
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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 ... meetings with external contractors/offices. This requisition may be filled at either a Principal Cyber Systems Engineer or Sr. Principal Cyber Systems more
    Northrop Grumman (11/21/25)
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  • Senior Principal Systems Software…

    Oracle (Washington, DC)
    …virtualization platforms and kernel subsystems. You will collaborate with architects, systems engineers, and DevOps teams to design and implement robust, ... high-performance solutions that scale across large, distributed systems . Responsibilities + Develop infrastructure software and tools for large-scale AI, LLM, and… more
    Oracle (11/25/25)
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  • Systems Engineer SME - Exchange…

    General Dynamics Information Technology (Washington, DC)
    …17 + years of related experience **US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer - Exchange Messaging - Active Top ... Required** Seize your opportunity to make a personal impact as a **Senior** ** Principal Systems Engineer for Exchange Messaging** with GDIT. We're seeking a… more
    General Dynamics Information Technology (12/18/25)
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  • Remote Principal Software Engineer

    Oracle (Washington, DC)
    **Job Description** Healthcare systems are mission-critical, requiring top-tier availability and disaster recovery. Collaborating with Oracle Cloud teams, you'll ... experienced engineers to design and build scalable, low-latency cloud-based data systems . You'll lead technical efforts, collaborate with software teams, design… more
    Oracle (11/25/25)
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  • Principal Software Development…

    Oracle (Washington, DC)
    …and debugging of software applications or operating systems . As a Principal Software Development Engineer , you will be working closely with software ... and securely configure these tenancies. We're looking for a Principal Software Development Engineer to help us...an excitement for solving complex problems of complex massive systems is a must. You should value simplicity and… more
    Oracle (11/25/25)
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  • Principal Member of Technical Staff- Full…

    Oracle (Washington, DC)
    …tasks associated with the developing, designing and debugging of software applications or operating systems . As a Principal engineer on the team, you would ... third parties to create innovative, integrated solutions. As a ** Principal Member of Technical Staff** , you will play...Agile Methodologies, specifically Scrum * Experience using ticket tracking systems such as JIRA * Ability to quickly translate… more
    Oracle (11/25/25)
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  • Software Developer 4

    Oracle (Washington, DC)
    …performance, and security. We are seeking a technically exceptional and highly innovative Principal Systems Engineer (IC4) to help architect, build, and ... **Job Description** We are seeking a Principal Member of Technical Staff to join the...image management, health monitoring, orchestration, and cloud agents. These systems underpin the experiences of thousands of cloud customers… more
    Oracle (11/25/25)
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  • Principal or Senior Principal

    Northrop Grumman (Washington, DC)
    …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 Engineer (Project…

    Fairfax County Sheriff's Office (Fairfax, VA)
    Principal Engineer (Project Coordinator) Print (https://www.governmentjobs.com/careers/fairfaxcounty/jobs/newprint/5171712) Apply  Principal Engineer ... of 3+ years of experience in a Leadership role as a senior Professional Engineer or Principal leading and managing teams of mechanical, electrical, and… more
    Fairfax County Sheriff's Office (12/20/25)
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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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  • Identity and Access Management Senior…

    General Dynamics Information Technology (Washington, DC)
    …you advance your career. Join GDIT as an Identity and Access Management Senior Principal Engineer you will build an impactful career in enterprise IT, ... like you. MEANINGFUL WORK AND PERSONAL IMPACT As an Identity and Access Management Senior Principal Engineer , the work you'll do at GDIT will be impactful to the… more
    General Dynamics Information Technology (11/01/25)
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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 ... **MEANINGFUL WORK AND PERSONAL IMPACT** _As an_ **_AI Cybersecurity Engineer Principal_** _, the work you'll do at GDIT...and response. + Lead the strategy for securing AI systems , including large language models (LLMs) and agentic AI… more
    General Dynamics Information Technology (12/17/25)
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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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  • Senior Principal Applications Delivery…

    General Dynamics Information Technology (Washington, DC)
    …our customers operate while you advance your career. Join GDIT as a Senior Principal Applications Delivery Network Engineer and build an impactful career in ... driven and resourceful like you. MEANINGFUL WORK AND PERSONAL IMPACT As a Senior Principal Applications Delivery Network Engineer , the work you'll do at GDIT… more
    General Dynamics Information Technology (11/01/25)
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