• Senior Model Based Systems…

    ManTech (Stafford, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior ** **Model Based Systems Engineer (MBSE)** to join our team in **Stafford, VA** . ... but are not limited to:** + The Model Based Systems Engineer (MBSE) III is a leader...is desired **Clearance Requirements:** + Must have an active/current TS /SCI security clearance. **Physical Requirements:** + Must be able… more
    ManTech (07/22/25)
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  • Agile Systems Engineer…

    KBR (Chantilly, VA)
    Title: Agile Systems Engineer - Senior KBR is seeking a highly motivated Agile System Engineer to support our team. The program office provides ... and re-engineering methodologies to facilitate improvements to processes + Apply systems analysis and design methodology assessments to identify technical debt,… more
    KBR (09/02/25)
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  • Senior Systems Engineer

    Leidos (Chantilly, VA)
    …management. _Redundancy & Project Support_ + Serve as the operational backup for the senior systems engineer . + Participate in infrastructure and system ... Leidos is on the lookout for a sharp, forward-thinking ** Systems Engineer ** to strengthen our elite technical...Clearance** **:** Must possess an active and in scope ** TS /SCI With Poly** to be considered. **Travel:** This position… more
    Leidos (08/15/25)
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  • Principal Cyber Security Systems…

    ManTech (Chantilly, VA)
    MANTECH seeks a motivated, career-driven **Principal Cyber Security Systems Engineer ** to join our team in **Chantilly, VA** . This role offers an exciting ... opportunity for an experienced engineer to secure and optimize complex infrastructure in support...with cross-functional teams to ensure secure, scalable, and high-performing systems . You will help design, implement, and maintain secure… more
    ManTech (08/29/25)
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  • Senior Network Systems…

    Noblis (Chantilly, VA)
    Responsibilities As a Senior Systems Engineer , you...High School/Diploma with 14 years of experience, + Active Top Secret ( TS ) clearance with ... additions and changes to network hardware, infrastructure server environments, and operating systems . You will provide direct support in the day-to-day operations of… more
    Noblis (09/03/25)
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  • Senior Systems Engineer

    Amentum (Dahlgren, VA)
    Amentum is seeking Senior Systems Engineer to...(IAT) Level II certification. + Must have an Active Top Secret /SCI US Government Clearance. Note: US ... our team. You will be part of our growing systems , information technology & software engineering team and contribute...Citizenship is required to maintain a Top Secret /SCI Clearance + Candidates must maintain… more
    Amentum (08/14/25)
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  • Senior Systems Engineer

    Chenega Corporation (Springfield, VA)
    **Req ID:** 36877 **Summary** ** Senior Systems Engineer ** **Springfield, VA** Are you ready to enhance your skills and build your career in a rapidly ... marketplace. Chenega Agile Real-Time Solutions (CARS) is seeking a ** Sr . Systems Engineer ** will report...CE within 6 months of hire is required + TS /SCI clearance required **Knowledge, Skills and Abilities:** + Ability… more
    Chenega Corporation (07/23/25)
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  • Momentum Systems Engineer

    Shuvel Digital (Fairfax County, VA)
    …obtain CASP or CISSP certification within six months. Desired Qualifications: + Current or past Top Secret or TS /SCI clearance. + Current CASP or CISSP ... System Engineer Fairfax County, VA On-site Full-time Mid- Senior...level Position Overview: We are seeking a skilled Momentum Systems Engineer with expertise in Linux and… more
    Shuvel Digital (07/18/25)
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  • Senior Systems Engineer…

    RTX Corporation (Sterling, VA)
    …balance practices. **Location:** **Near Springfield, Virginia** **What You Will Do** + The Senior Systems Engineer provides systems engineering and ... citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the...a safer, more secure world. Raytheon is seeking a Senior Systems and Integration Engineer … more
    RTX Corporation (09/24/25)
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  • Senior Ground Systems…

    KBR (Herndon, VA)
    Title: Senior Ground Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... is contingent upon contract award KBR is seeking experienced Senior Ground Systems Engineers to support the...modern technologies to support ground segment integration + Active Top - Secret clearance with SCI eligibility Desired: +… more
    KBR (08/28/25)
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