• Civil Engineer - Top

    Leidos (Reston, VA)
    **Description** Leidos has several openings for a Civil Engineer in Reston, Virginia. The primary focus of the group is reverse engineering Weapons of Mass ... for consideration must possess an active TS/SCI, or a Top Secret clearance with a current SSBI,...Doctorate in a technical domain + Must have a Civil , Structural, or Protective Engineering degree + Experience in… more
    Leidos (01/08/26)
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  • Civil /Industrial Engineer - Senior

    SOS International LLC (Reston, VA)
    Reston, VA, USA Full-time FLSA Status: Exempt Clearance Requirement: Top Secret /SCI **Company Description** Founded in 1989, SOSi is among the largest private, ... **Job Description** Overview SOSi is seeking a Senior level Civil /Industrial Engineer (Scientific Support) to provide expertise...experience within the last 2 years. + Active DoD Top Secret Clearance with SCI and must… more
    SOS International LLC (11/21/25)
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  • Systems Engineer IV

    Noblis (Chantilly, VA)
    …infrastructure server environments, and operating systems with special emphasis on Top Secret classification enclaves. Your extensive expertise in Nutanix ... Responsibilities As a **Systems Engineer IV** you will provide expert leadership in...network hardware, infrastructure server environments, and operating systems in Top Secret environments. + Provide advanced technical… more
    Noblis (12/22/25)
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  • Network Engineer IV

    Noblis (Chantilly, VA)
    …and managing sophisticated network systems and communications with special emphasis on Top Secret classification enclaves. You will architect secure network ... Responsibilities As a **Network Engineer IV** , you will provide expert leadership...implement advanced network systems and communications solutions optimized for Top Secret /SCI environments. + Create and maintain… more
    Noblis (12/17/25)
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  • Systems Engineer III

    Noblis (Chantilly, VA)
    …infrastructure server environments, and operating systems with special emphasis on Top Secret classification enclaves. Your experience in Nutanix hyper-converged ... Responsibilities As a **Systems Engineer III** you will provide leadership in planning,...School diploma with 14 years of experience. + Active Top Secret (TS) clearance with eligibility for… more
    Noblis (12/22/25)
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  • Elastic Engineer

    System One (Herndon, VA)
    …requires a minimum active Secret clearance, with eligibility to obtain a Top Secret SCI with DHS eligibility. Our client provides technically advanced ... agility, and competitive offerings to customers in the intelligence community, defense, civil , and commercial markets. The Elastic Engineer will be a… more
    System One (01/06/26)
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  • Senior Data Engineer

    TekSynap (Ashburn, VA)
    …of 8 years of relevant professional experience + Applicants must: + Possess a Top Secret (TS) Security Clearance with the ability to obtain Sensitive ... to perform the essential functions. **WORK AUTHORIZATION/SECURITY CLEARANCE** + Active Top Secret Clearance Required **OTHER DUTIES** Please note this… more
    TekSynap (11/21/25)
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  • Network Engineer III

    Noblis (Chantilly, VA)
    …and managing sophisticated network systems and communications with special emphasis on Top Secret classification enclaves. You will architect secure network ... Responsibilities As a **Network Engineer III,** you will provide expert leadership in...8 years of experience in network engineering/administration. + Active Top Secret (TS) clearance with eligibility for… more
    Noblis (12/23/25)
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  • Data Engineer IV

    Noblis (Chantilly, VA)
    …security. + Construct and optimize large relational databases across multi-enclave environments (Unclassified, Secret , and Top Secret ). + Tune performance of ... Responsibilities As a **Data Engineer IV** , you will be responsible for...Agile Release Train (ART) activities. Required Qualifications + Active Top Secret (TS) clearance with eligibility for… more
    Noblis (12/20/25)
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  • DevOps Engineer III

    Noblis (Chantilly, VA)
    …(PIs) and Agile Release Train (ART) activities + Support the multi-enclave environment (Unclassified, Secret , and Top Secret ) + Respond to and resolve ... Responsibilities As a **DevOps Engineer III** , you will be responsible for...High School/Diploma with 14 years of experience. + Active Top Secret (TS) clearance with eligibility for… more
    Noblis (12/20/25)
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  • General Engineer - Facilities/Utility…

    Parsons Corporation (Chantilly, VA)
    …up to 20% CONUS & OCONUS + Must have a Valid US Passport + Must have Top Secret Clearance with SCI eligibility **What Desired Skills You'll Bring:** + Ability to ... assistance to Technical Support Projects (TSPs) **Security Clearance Requirement:** An active Top Secret security clearance is required for this position.​ This… more
    Parsons Corporation (01/08/26)
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  • Cleared AI/ML Engineer (Multiple Levels)

    Noblis (Chantilly, VA)
    …is seeking to hire an AI/ML Engineer (Multiple Levels) with an ACTIVE Top ** ** Secret with SCI and Polygraph in Chantilly, VA** As an experienced AI/ML ... Engineer with our team, you will be working with...of government clients in the defense, intelligence and federal civil sectors. Learn more at Noblis -About Us (https://careers.noblis.org/about-noblis/)… more
    Noblis (12/22/25)
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  • Software Engineer III

    Noblis (Chantilly, VA)
    …and Agile Release Train (ART) activities + Support the multi-enclave environment (Unclassified, Secret , and Top Secret ) + Collaborate with cross-functional ... teams to ensure seamless integration Required Qualifications + Active Top Secret (TS) clearance with eligibility for Sensitive Compartmented Information (SCI)… more
    Noblis (12/23/25)
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  • Ground Development Lead Software Engineer

    Northrop Grumman (Chantilly, VA)
    …(must have/required to be considered)** : + Requires an active Top - Secret (TS)/Sensitive Compartmented Information (SCI) clearance [TS/SCI] at time ... teams. Northrop Grumman Space Systems is seeking a _Ground Development lead_ _Software Engineer - level 5 to_ join our team of qualified, diverse individuals within… more
    Northrop Grumman (12/09/25)
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  • Sr. Sales Engineer

    Nightwing (Sterling, VA)
    …throughout the military, government, and intelligence community.** **Active Top Secret Clearance** **Preferred Qualifications:** **Exceptional communication, ... competitive offerings to customers in the intelligence community, defense, civil , and commercial markets. **Our NIGHTWING group is looking...markets. **Our NIGHTWING group is looking for a Sales Engineer , who will perform a key leadership role in… more
    Nightwing (12/12/25)
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  • Ground Systems Engineer

    Noblis (Chantilly, VA)
    …improvement in software design and architecture. Required Qualifications + Active Top Secret /SCI clearance with Counterintelligence (CI) Polygraph. + US ... Responsibilities Noblis ESI is seeking an experienced **Ground Systems Engineer ** to work on complex projects crucial to our national security objectives. The… more
    Noblis (12/24/25)
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  • Enterprise Systems Engineer

    Noblis (Chantilly, VA)
    …partners and other DoD/IC customers Required Qualifications + Must have an active Top Secret /SCI clearance with a Counter-Intelligence Polygraph + US Citizenship ... Responsibilities Noblis ESI is seeking an **Enterprise Systems Engineer ** with a national space enterprise and ground systems engineering background to work with our… more
    Noblis (12/19/25)
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  • Systems Engineer (Aoco)

    Noblis (Chantilly, VA)
    …team to integrate tactical and national capabilities. Required Qualifications + Active Top Secret /SCI clearance with Counterintelligence (CI) Polygraph. + US ... is seeking an experienced All-Domain Overhead Cooperative Operations (AOCO) Systems Engineer to support our government client on-site in Chantilly, VA.… more
    Noblis (12/17/25)
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  • Project Engineer - Acquisitions

    Noblis (Chantilly, VA)
    …external mission partners, and other DoD/IC customers. Required Qualifications + Active Top Secret /SCI clearance with Counterintelligence (CI) Polygraph. + US ... Responsibilities Noblis ESI is seeking an experienced **Project Engineer - Acquisitions** with a national space enterprise and ground systems acquisition background… more
    Noblis (12/04/25)
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  • System Engineer (All Levels)

    Noblis (Chantilly, VA)
    …other DoD/IC customers Required Qualifications + US Citizenship required. + Active Top Secret /SCI clearance with a Counter-Intelligence Polygraph + Knowledge of ... Responsibilities Noblis ESI is seeking a Systems Engineer with a national space enterprise and ground systems engineering background to work with our clients in… more
    Noblis (12/03/25)
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