• Junior Software Engineer

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a motivated ** Junior Software Engineer ** to join our team in developing and maintaining modern web applications using ... React.js. This junior position is ideal for recent graduates or early-career...This role provides hands-on experience with React.js and modern software practices, including the use of AI assistants (eg,… more
    Leidos (01/01/26)
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  • Junior Software Engineer

    Cinteot (Herndon, VA)
    Software Engineer Location - Herndon, VA The...with java as an equivalent) + Must possess dod top secret level clearance (Cinteot will sponsor upgrade ... selected candidate will formulate/define specifications for complex operating software programming applications or modify/maintain complex existing applications using… more
    Cinteot (11/06/25)
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  • Digital Signal Processing Engineer

    Parsons Corporation (Chantilly, VA)
    …active TS /SCI w/polygraph is preferred **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this position.​ This ... Corporation, is seeking qualified candidates to fill a Digital Signal Processing Engineer (DSP) positions at our headquarters in Chantilly, VA. We are currently… more
    Parsons Corporation (11/18/25)
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  • Junior Aerospace Digital Forensics…

    CACI International (Sterling, VA)
    … Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: Up to 10% ... * * * **The Opportunity:** CACI is seeking a Junior Aerospace Digital Forensics Engineer to join...work at business site location in Sterling, VA + TOP SECRET with ability to obtain SCI… more
    CACI International (12/17/25)
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  • Software Engineer

    CACI International (Sterling, VA)
    Software Engineer Job Category: Information Technology...+ Must be a US citizen with an active Top Secret /SCI DoD Security clearance with polygraph. ... Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel...* * * **The Opportunity:** Join us as a Software Engineer to design, build, and ship… more
    CACI International (12/20/25)
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  • Principal Software Engineer

    Northrop Grumman (Chantilly, VA)
    …interested in defining possible? **Northrop Grumman Mission Systems** is seeking a **Principal Software Engineer (T03)** to join our team! This position will ... practices + Demonstrated effective communication skills **Preferred Qualifications:** + Active DoD Top Secret / SCI security clearance + Experience developing… more
    Northrop Grumman (12/23/25)
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  • Systems Engineer , Junior

    KBR (Chantilly, VA)
    Title: Systems Engineer , Junior KBR is seeking a Junior Systems Engineer to support our customers in Chantilly, VA. The position requires the employee to ... provide technical expertise as a Systems Engineer and Technical Assistance (SETA). The ideal candidate will have experience within the Intelligence Community with a… more
    KBR (11/21/25)
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  • Software Development Engineer III,…

    Amazon (Herndon, VA)
    …in computer science or equivalent - Current, active US Government Security Clearance of Top Secret with SCI eligibility or above Amazon is an equal opportunity ... AWS The candidate selected must obtain and maintain a security clearance at the TS /SCI with polygraph level. Upon start, the selected candidate will be sponsored for… more
    Amazon (11/13/25)
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  • Mission Solutions SAFe Agile Engineer

    CACI International (Sterling, VA)
    …lieu of degree will be considered, + Active Top Secret //Sensitive Compartmented Information with Counterintelligence Information ( TS /SCI) _Desired:_ + Scaled ... Mission Solutions SAFe Agile Engineer Job Category: Engineering Time Type: Full time...Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Type… more
    CACI International (12/06/25)
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  • Ground Software Engineer (Mid…

    The Boeing Company (Chantilly, VA)
    …with great opportunity for professional growth. Find your future with us. **Ground Software Engineer (Mid Career) - Millennium Space Systems** **Millennium Space ... Defense, Space and Security (BDS)** is seeking a **Ground Software Engineer (Mid Career)** to support the...and in writing + Experience with iterative and agile software development + Ability to obtain TS /SCI… more
    The Boeing Company (01/04/26)
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  • Senior Software Engineer

    KBR (Chantilly, VA)
    Title: Senior Software Engineer KBR is seeking a Senior Software Engineer to join our team. The candidate will leverage their extensive software ... development, implementation, maintenance, configuration management and quality control of software for scientific/engineering applications + Define system and … more
    KBR (12/02/25)
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  • Software Engineer - SME

    KBR (Chantilly, VA)
    Title: Software Engineer - SME Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology ... the future of space defense. KBR is seeking a Software Engineer SME to join our team....Support on-site meetings and deliveries to customers + Lead junior engineers + Perform other duties as assigned Minimum… more
    KBR (10/21/25)
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  • Senior Software Engineer

    KBR (Chantilly, VA)
    Title: Senior Software Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology ... future of space defense. KBR is seeking a Senior Software Engineer to join our team. The...Support on-site meetings and deliveries to customers + Lead junior engineers + Perform other duties as assigned Minimum… more
    KBR (10/21/25)
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  • Mechanical Engineer

    Leidos (Chantilly, VA)
    …+ Excellent organizational skills and attention to detail **Preferred Qualifications** + **Current Top Secret SCI security clearance and the ability to pass a ... Facilities Design** Leidos is seeking a driven and detail-oriented Junior level Mechanical Engineer to support the...years with a Master's + Ability to obtain a TS /SCI with Polygraph clearance + Working knowledge of static… more
    Leidos (12/24/25)
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  • Lead Software Engineer

    Leidos (Chantilly, VA)
    **Description** We have an IMMEDIATE NEED for a Mid-Level Software Development Engineer to provide Agile DevOps support to mission critical systems. As a ... Software Development Engineer on this program, you...TS /SCI level security clearance. **Responsibilities:** + Contribute to software programming initiatives to support innovation and enhancement, using… more
    Leidos (01/09/26)
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  • Systems Engineer

    Parsons Corporation (Centreville, VA)
    …Engineering or a related field + Must be a US Citizen + Must possess and maintain Top Secret SCI clearance with CI poly + Must have Linux command line experience ... Our Special Programs and Systems team is hiring a Junior Systems Engineer with a passion for...quality assurance (QA) experience **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is… more
    Parsons Corporation (12/06/25)
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  • Software Developer IV

    General Atomics (Chantilly, VA)
    …Required:** 0% - 25% **Full-Time/Part-Time:** Full-Time Salary **State:** Virginia **Clearance Level:** Top Secret (current SCI access with CI Poly) **Pay Range ... Required?:** Desired **Pay Range High:** 189,545 **Recruitment Posting Title:** Frontend Software Engineer , Federal **Job Qualifications:** + Typically requires… more
    General Atomics (12/11/25)
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  • Senior Systems Engineer

    Leidos (Chantilly, VA)
    …VA + Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able to obtain a Polygraph. **Primary ... Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations,… more
    Leidos (11/22/25)
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  • Recapitalization Network Engineer

    CACI International (Sterling, VA)
    Recapitalization Network Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... an ongoing basis. **Opportunity:** Team CACI is seeking a Senior Network Engineer to support the recapitalization of an Intelligence Community customer's diverse… more
    CACI International (10/25/25)
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  • Senior RF/Antenna Engineer

    CACI International (Chantilly, VA)
    Senior RF/Antenna Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel ... * * * **The Opportunity:** As a Senior RF/Antenna Engineer , you will lead the development and analysis of...advanced RF systems and antennas. + Guide and mentor junior RF/antenna engineers. + Design, model, analyze, and measure… more
    CACI International (12/25/25)
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