• Principal Reverse Engineer

    GliaCell Technologies (MD)
    Are you a Principal Reverse Engineer who is ready for a new challenge that will launch your career to the next level? + Tired of being treated like a company ... focuses on Software & System Engineering in Enterprise and Cyber Security solution spaces. We excel at delivering stable...amazingly talented people Job Description: GliaCell is seeking a Principal Reverse Engineer on one of our… more
    GliaCell Technologies (11/01/25)
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  • Principal Elasticsearch Systems…

    Leidos (Bethesda, MD)
    …a new and exciting opportunity for a ** Principal ** **Elasticsearch Systems Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business ... **Join us and make a difference in National Security!** **Job Summary** The Principal Elasticsearch Systems Engineer role provides support across an Agile team… more
    Leidos (10/30/25)
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  • Principal Systems Engineer

    Leidos (Aurora, CO)
    …**Leidos** has a new and exciting opportunity for a Principal Systems Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... mission-critical program with lasting impactful results. Leidos is currently looking to add a Principal Systems Engineer (SE-3) to a growing task. The SE will… more
    Leidos (10/09/25)
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  • Principal Engineer EHS

    Northrop Grumman (Sunnyvale, CA)
    …US and its global allies. Northrop Grumman Mission Systems is seeking a ** Principal Environmental Health and Safety Engineer ** for the **Sunnyvale, California** ... multi-domain systems and technologies. Our differentiated battle management and cyber solutions deliver timely, mission-enabling information and provide superior… more
    Northrop Grumman (11/14/25)
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  • Principal Project Engineer (Onsite)

    RTX Corporation (Largo, FL)
    …Engineering Department, based in Largo, FL, is seeking a dynamic and motivated ** Principal Project Engineer ** to drive the management and deployment of ... multi-disciplinary team of experts, including System Engineers, Software Engineers, Cyber Engineers, Digital Technology specialists, and Field Services professionals.… more
    RTX Corporation (11/21/25)
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  • Principal Software Engineer

    Leidos (Bethesda, MD)
    …**Leidos** has a new and exciting opportunity for a ** Principal Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... us and make a difference in National Security!** **Job Description** As a Software Engineer on this program, you will have the opportunity to build strong systems,… more
    Leidos (11/19/25)
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  • Principal Software Engineer - 25k…

    Leidos (Aurora, CO)
    …**Leidos** has a new and exciting opportunity for a Principal Software Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... ** **$25,000.** Leidos is seeking a driven and experienced Full Stack Software Engineer to support a high-stakes, mission-critical program. In this role, you'll help… more
    Leidos (11/15/25)
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  • Senior Principal Systems Engineer

    RTX Corporation (Cedar Rapids, IA)
    …Mission Systems Advanced Technology & Capabilities (ATC) Engineering seeks a Senior Principal Systems Engineer to join the Disruptive Systems Technology Team. ... the intersection of communications; position, navigation & timing (PNT); cyber space; and other radio frequency (RF) systems. ATC...of Defense research and development projects. As an ATC engineer , you will continually advance the state of the… more
    RTX Corporation (11/14/25)
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  • Principal Software Engineer

    Leidos (Bethesda, MD)
    …**Leidos** has a new and exciting opportunity for a ** Principal ** **Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business ... and make a difference in National Security!** **Job Description** A Software Engineer on this program provides Agile development and operations and maintenance for… more
    Leidos (11/07/25)
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  • Principal Building Mechanical…

    Parsons Corporation (Fort Myers, FL)
    …redefine what's possible. **Job Description:** Parsons is looking for an amazingly talented ** Principal Building Mechanical Engineer ** to join our team! In this ... working with custom HVAC equipment, odor control, fire detection and protection and miscellaneous water systems for water and wastewater facilities. Professional… more
    Parsons Corporation (10/31/25)
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