• Modeling and Simulation Engineer

    SAIC (Chantilly, VA)
    …in modeling and simulation for aerospace or space systems. + Active Top Secret / SCI w / Poly Clearance. + Strong understanding of sensor phenomenology ... SAIC has annual revenues of approximately $6.5 billion. For more information , visit saic.com. For information on the benefits SAIC offers, see Working at SAIC.… more
    SAIC (10/22/25)
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  • Machine Learning Modeling and Simulation Engineer

    SAIC (Chantilly, VA)
    …in modeling and simulation for aerospace or space systems. + Active Top Secret / SCI w / Poly Clearance. + Strong understanding of sensor phenomenology ... SAIC has annual revenues of approximately $6.5 billion. For more information , visit saic.com. For information on the benefits SAIC offers, see Working at SAIC.… more
    SAIC (10/22/25)
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  • Junior System Engineer

    CACI International (Springfield, VA)
    …integration risks through proactive planning and stakeholder engagement. **Qualifications:** **_Required:_** + Active TS / SCI w / Poly + Bachelors in ... Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None… more
    CACI International (01/09/26)
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  • Network Engineer- Tier 3

    CACI International (Sterling, VA)
    Information Technology, or equivalent work experience + 10+ years of related work experience + TS / SCI w / poly is required + Travel Required + Advanced ... Network Engineer- Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance...Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage… more
    CACI International (01/08/26)
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  • Infrastructure Engineer/Administrator

    CACI International (Mclean, VA)
    …to policies governing configuration management and change control. **Qualifications:** _Required:_ + Active TS / SCI w / Poly clearance is required. + ... Infrastructure Engineer/Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance...Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage… more
    CACI International (12/26/25)
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  • Core/WAN Network - Tier 3

    CACI International (Sterling, VA)
    …and maintain customer's deployable communications suites. **Qualifications:** _Required:_ + Security Clearance: active TS / SCI w / Poly + 10+ years related ... CORE/WAN Network - Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance...Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage… more
    CACI International (12/19/25)
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  • Senior Frontend Developer

    CACI International (Chantilly, VA)
    …user guidance materials to support onboarding and operational continuity. **Qualifications:** _Required:_ * Active TS / SCI w / Poly * Minimum of 10 years ... Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None… more
    CACI International (12/03/25)
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  • Network Recapitalization Lead

    CACI International (Sterling, VA)
    …field or equivalent work experience + 5-7+ years of related work experience + TS / SCI w / poly is required + Expertise integrating networking equipment ... Program Management Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to… more
    CACI International (11/12/25)
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  • Chief Engineer (Integrated Broadcast System…

    CACI International (Fort Belvoir, VA)
    …nations + Maintain current system cross-domain solution Radiant Mercury **Qualifications:** _Required:_ + Active TS / SCI w / Poly clearance + BS degree in ... Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required:… more
    CACI International (11/08/25)
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  • SIGINT Outreach Lead

    KBR (Chantilly, VA)
    …understood + Ability to manipulate graphics, graphs, and PowerPoint presentations to communicate Clearance: TS / SCI w poly required Belong, Connect and ... needs and shorten the timelines to provide actionable critical information to US Government decision-makers. This is a position...and update Engagement confluence pages Required Experience: + Active TS / SCI with Polygraph + Bachelor's degree in… more
    KBR (11/07/25)
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