• Lead SIGINT Systems Engineer

    CACI International (Aberdeen Proving Ground, MD)
    Lead SIGINT Systems Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... * * **The Opportunity:** CACI is seeking a Lead SIGINT Systems Engineer to join our Aberdeen...SDR frameworks and applications + Must have performed at senior levels in areas of expertise and be well… more
    CACI International (12/07/25)
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  • SIGINT Mission Planner/Scheduler

    CACI International (Annapolis Junction, MD)
    …to 10% Type of Travel: Continental US * * * **Opportunity:** Join CACI as a SIGINT Mission Planner Scheduler Satellite Systems Engineer and work in a high speed ... SIGINT Mission Planner/Scheduler Job Category: Intelligence Time Type:...mission/team oriented + Ability to communicate effectively with local senior management and remote personnel. + Ability to work… more
    CACI International (12/04/25)
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  • Senior Infrastructure / Networking…

    RTX Corporation (Annapolis Junction, MD)
    …Technology (AST), a national asset in the SIGINT domain, is seeking a ** Senior Infrastructure / Networking Engineer ** who strives for excellence and has a ... and improves the security of our world. AST provides trusted strategic and tactical SIGINT solutions that secure the interests of the US and its partners. AST's work… more
    RTX Corporation (10/19/25)
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  • Senior Mission / Systems Engineer

    RTX Corporation (Annapolis Junction, MD)
    …flexibility at hiring manager discretion.** Applied Signal Technology (AST) is seeking a ** Senior Mission / Systems Engineer ** who strives for excellence and ... of our world. AST provides trusted strategic and tactical SIGINT solutions that secure the interests of the US...of improvement or customer needs and relaying them to senior staff as business development possibilities + Experience working… more
    RTX Corporation (10/23/25)
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  • Senior Network Security Engineer

    CACI International (Columbia, MD)
    Senior Network Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... * * **Exciting Opportunity: Join Our Team as a Senior Network Security Engineer !** Are you passionate...with a focus on analyzing complex hardware systems for SIGINT solutions. + **Education:** A Bachelor's degree in Communications… more
    CACI International (12/12/25)
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  • Senior Mobile Software Engineer

    BigBear.ai (Annapolis Junction, MD)
    Overview BigBear.ai is seeking a Software Engineer and Exploitation Capability Integrator to architect, implement and deploy cutting-edge solutions that drive ... modularity, canary testing, feature flags). + Knowledge of C2 systems, SIGINT dataflow and standardized data schemas. + Experience with service interrogation,… more
    BigBear.ai (11/15/25)
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  • Principal Systems Engineer / Senior

    Northrop Grumman (Linthicum Heights, MD)
    …located in Linthicum, MD. This requisition may be filled as a Principal Systems Engineer or a Senior Principal Systems Engineer . **Roles and ... support test and verification activities of RF, EO/IR, EW, SIGINT or SATCOM. This will be an on-site position...embedded systems design and implementation **Basic Qualifications for a Senior Principal Systems Engineer :** + Bachelor's degree… more
    Northrop Grumman (10/08/25)
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  • Senior Network Security Engineer

    CACI International (Columbia, MD)
    Senior Network Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... NSA TS/SCI with Polygraph. + **Experience:** 15 years as a Network Security Engineer analyzing complex hardware systems for SIGINT solutions. + **Education:**… more
    CACI International (12/06/25)
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  • Senior Systems Integration Engineer

    Leidos (Fort Meade, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Systems Integration Engineer ** in our **National Security Sector's (NSS) Cyber & ... us and make a difference in National Security!** **Job Summary** As a Senior Systems integration Engineer you will be responsible for designing, implementing,… more
    Leidos (12/03/25)
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  • JBlocks Senior Java Back End Software…

    CACI International (Hanover, MD)
    JBlocks Senior Java Back End Software Engineer -TS/SCI with Poly Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: ... release management. **Responsibilities:** The JBLOCKS team is seeking a Senior Software Engineer to work with a...experience is required. 3+ years' work experience in the SIGINT , IA, or IT domains is required. 4+ years… more
    CACI International (10/23/25)
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