• Principal Software Engineer (SWE-4)

    Leidos (Fort Meade, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (09/25/25)
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  • Senior Principal Experimental Thermal…

    Northrop Grumman (Baltimore, MD)
    …and technologies that fuel those missions. By joining in our shared mission, we'll support you by expanding your personal network and developing skills, whether ... thought leader. At Northrop Grumman, you'll have the resources, support , and team to do some of the best...for you to join our team as a Senior Principal Experimental Thermal Engineer based out of… more
    Northrop Grumman (09/20/25)
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  • Principal Systems Engineer

    Concurrent Technologies Corporation (Fort Meade, MD)
    Principal Systems Engineer Concurrent Technologies Corporation Client Site - Fort Meade, MD area Minimum Clearance Required: TS/SCI with Fullscope Poly Clearance ... opensource, and in-house applications to accommodate HPC Division IT support requirements + Multi-vendor servers running Red Hat of...devices (SPDs) + IBM of HP Blade servers with FC/SAS/ Network back end + Multi-vendor filesystems such as XFS,… more
    Concurrent Technologies Corporation (08/07/25)
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  • Principal Signals Software Engineer

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Signals Software Engineer in our **National Security Sector's (NSS) Cyber & ... talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (09/23/25)
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  • Principal RF Design Engineer…

    RTX Corporation (Aberdeen Proving Ground, MD)
    …by Collins Aerospace Collins Aerospace, an RTX company, is seeking a highly motivated ** Principal RF Design Engineer ** to work on Identification of Friend or Foe ... Expert proficiency with common RF test equipment such as; Network and spectrum analyzers, signal and pulse generators, and...and minimum 5 years of experience * Ability to support up to 10% travel **Qualifications We Prefer** *… more
    RTX Corporation (08/08/25)
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  • Principal DevOps Engineer

    Leidos (Bethesda, MD)
    …us and make a difference in National Security!** **Job Summary** This PrincipalDevOps Engineer role provides mission critical system support to our customer. You ... **Description** **Leidos** has a new and exciting opportunity for a **PrincipalDevOps Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business… more
    Leidos (08/01/25)
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  • Systems Engineer , Staff Principal

    BigBear.ai (Columbia, MD)
    …in national security and intelligence. We're looking for a Level 3 IT Engineer who thrives in dynamic environments and is passionate about building, maintaining, and ... opportunity. What you will do As a senior IT Engineer , you'll play a key role in designing, implementing,...to: + Architect and enhance complex IT systems that support national security missions. + Lead and contribute to… more
    BigBear.ai (08/29/25)
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  • Sr. Principal Voice Engineer

    Northrop Grumman (Linthicum Heights, MD)
    …Grumman Enterprise Classified Solutions is seeking a senior level Cisco Voice Engineer that has experience in designing, implementing, and maintaining Cisco voice ... (CUBE) routers for SIP trunking and inter-site voice routing. + Support and troubleshoot video teleconferencing (VTC) systems, including Cisco Telepresence, Room… more
    Northrop Grumman (09/20/25)
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  • Senior Principal ASIC Static Timing…

    Northrop Grumman (Linthicum Heights, MD)
    …technologies that fuel those missions. By joining in our shared mission, we'll support yours of expanding your personal network and developing skills, whether ... thought leader. At Northrop Grumman, you'll have the resources, support , and team to do some of the best...Systems, Digital Technologies Group, is seeking a Static Timing Engineer to join our team of highly qualified, diverse… more
    Northrop Grumman (07/11/25)
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  • Network Systems Test Engineer

    KBR (Fort Meade, MD)
    Title: Network Systems Test Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... defense. Key Responsibilities: KBR is actively seeking a full-time Network Systems Test Engineer supporting US Strategic...documenting results. + Preparing studies, plans, and analyses in support of a program. + Network Testing… more
    KBR (09/09/25)
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