• Senior Software Engineer

    GliaCell Technologies (Annapolis Junction, MD)
    …do not apply if you currently do not possess this level of clearance. Are you a Senior Software Engineer who is ready for a new challenge that will launch ... An active or rein-statable TS /SCI with Polygraph security clearance is REQUIRED. Please...amazingly talented people Job Description: GliaCell is seeking a Senior Software Engineer on one… more
    GliaCell Technologies (01/03/26)
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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 engineering experience and skillsets to provide Systems Engineering...Perform other duties as assigned Minimum Qualifications: + Active TS //SCI with CI Polygraph + Bachelor's degree in computer… more
    KBR (12/02/25)
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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 ... the future of space defense. KBR is seeking a Senior Software Engineer to join...Perform other duties as assigned Minimum Qualifications: + Active TS //SCI with Polygraph + Bachelor's degree in computer science,… more
    KBR (10/21/25)
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  • Senior Software Engineer

    Chenega Corporation (Arlington, VA)
    **Req ID:** 38797 **Summary** ** Senior Software Engineer ** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly evolving ... level! We are seeking a highly skilled and experienced ** Senior Software Engineer ** to contribute...certification (eg, CISSP, CAP, Security+, CISM) required + Active TS /SCI clearance with the ability to obtain CI Polygraph… more
    Chenega Corporation (01/06/26)
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  • Senior Software Engineer

    GliaCell Technologies (Annapolis Junction, MD)
    …do not apply if you currently do not possess this level of clearance. Are you a Senior Software Engineer who is ready for a new challenge that will launch ... An active or rein-statable TS /SCI with Polygraph security clearance is REQUIRED. Please...amazingly talented people Job Description: GliaCell is seeking a Senior Software Engineer on one… more
    GliaCell Technologies (12/13/25)
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  • Senior Software Engineer

    CACI International (Annapolis Junction, MD)
    Senior Software Engineer - Next Generation Products Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI with ... system engineers to develop solutions + Write and review software documentation **Qualifications:** **Required:** + Active TS /SCI...with polygraph + 15+ years of experience as a Software Engineer on similar projects + Bachelor's… more
    CACI International (12/18/25)
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  • Senior Software Engineer

    TheIncLab (Mclean, VA)
    …that truly matters. Your Mission, Should You Choose to Accept We are looking for a Senior Software Engineer to join our Research & Product Innovation team. ... The Mission Starts Here At TheIncLab, we engineer and deliver intelligent digital applications that help...eligible to obtain a US Security Clearance at the Secret or Top - Secret level. Existing… more
    TheIncLab (12/12/25)
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  • Senior Software Engineer

    CACI International (Laurel, MD)
    Senior Software Engineer -...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel ... * **The Opportunity:** Join our dynamic team as a Software Engineer where you will play a...our Linthicum Heights, MD locations._ **Qualifications** **Required:** + Active TS /SCI w/ Polygraph + Experience with Python + Experience… more
    CACI International (01/01/26)
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  • Senior Software Engineer

    Leidos (Columbia, MD)
    **Description** Leidos has a new and exciting opportunity for a ** Senior Software Engineer ** to play a dual role in User Interface Development and Full Stack ... to a mission-critical initiative with lasting impact. Leidos is seeking a highly skilled ** Senior Software Engineer ** to play a dual role in **User… more
    Leidos (01/07/26)
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  • Senior Software Engineer

    ManTech (Alexandria, VA)
    MANTECH seeks a motivated, career and customer-oriented ** Senior ** ** Software Engineer ** to join our team in **Alexandria, VA** . As part of the position, ... you will act as a Software Engineer designing and implementing services and...**Clearance Requirements:** + Must possess a current and active TS /SCI **Physical Requirements:** + The person in this position… more
    ManTech (01/01/26)
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  • Senior Software Engineer

    Amentum (Springfield, VA)
    …the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior Software Engineer ** to join our team of passionate individuals in ... the system as a whole. **Responsibilities:** As a GEODS Senior Software Engineer , you will...a clear and direct manner **Clearance Required:** * Active TS /SCI with the ability to gain and maintain a… more
    Amentum (12/05/25)
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  • Senior Software Engineer CTJ…

    Microsoft Corporation (Reston, VA)
    **Overview** Microsoft has an exciting opportunity for a Senior Software Engineer on the Sovereign Cloud Security Team. This team will be responsible for ... before, all in the service of production reliability. Our ** Senior Software Engineer ** + Applies...The successful candidate must have an active US Government Top Secret Clearance with access to Sensitive… more
    Microsoft Corporation (01/11/26)
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  • Senior Software Engineer

    Microsoft Corporation (Reston, VA)
    **Overview** The SCS Security Health team is looking for a ** Senior Software Engineer ** to help secure Microsoft's clouds through innovative, cloud-native ... beyond. **Responsibilities** + Design and deliver scalable, reliable, and efficient software and infrastructure for Azure security services. + Maintain 24x7 service… more
    Microsoft Corporation (12/21/25)
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  • Senior Software Engineer

    Microsoft Corporation (Reston, VA)
    **Overview** Microsoft has an exciting opportunity for a Senior Software Engineer in the Cloud+AI Azure Data Explorer team. As part of a core product ... in highly secured and regulated industries. The systems and software you build will be required to meet the...specialized security screenings: + Candidates must have an active TS and be willing to upgrade to TS more
    Microsoft Corporation (12/02/25)
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  • Senior Software Engineer

    AeroVironment (Jessup, MD)
    **Worker Type** Regular **Job Description** **Job Summary** The primary role of the ** Senior Software Engineer ** is to design, develop, and deliver ... high-performance, mission-critical software applications. This role focuses on building modern, scalable...as well as alignment with market data. **Clearance Level** Top Secret with Poly **ITAR Requirement:** _T_… more
    AeroVironment (12/19/25)
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  • Senior Software Engineer

    Cayuse Holdings (Washington, DC)
    **Overview** The Senior Software Engineer is...to transfer knowledge and mentor team members. + Active Top Secret with SCI eligibility + Must ... USD $105,000.00 - USD $115,000.00 /Yr. Submit a Referral (https://careers-cayuseholdings.icims.com/jobs/3069/ senior - software - engineer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834356743) **Can't find the right… more
    Cayuse Holdings (12/06/25)
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  • Full Stack Senior Software

    RBR-Technologies (Fort Meade, MD)
    …the basic principle of delivering customer mission success. RBR-Technologies is seeking a Full Stack Senior Software Engineer (level 3 or 4) with Zero Trust ... include: + Developing, maintaining, and enhancing complex and diverse software systems (eg, processing-intensive analytics, novel algorithm development, manipulation… more
    RBR-Technologies (01/06/26)
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  • Senior Software Engineer 3…

    RBR-Technologies (Fort Meade, MD)
    …on the basic principle of delivering customer mission success. RBR-Technologies is seeking a Senior Software Engineer (level 3 or 4) with attribute-based ... include: + Developing, maintaining, and enhancing complex and diverse software systems (eg, processing-intensive analytics, novel algorithm development, manipulation… more
    RBR-Technologies (01/06/26)
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  • Senior Software Engineer

    CACI International (Linthicum, MD)
    Senior Software Engineer -...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel ... * * * **The Opportunity** CACI is seeking a Senior Software Developer to join our dynamic...w/ Polygraph + 14+ years of experience as a Software Engineer in programs and contracts of… more
    CACI International (12/20/25)
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  • Senior Software Engineer

    Belay Technologies (Fort Meade, MD)
    … to join our intel team. The Multi-Factor Authentication Management System (MFAMS) is seeking a senior software engineer (Front End) to work with a team of ... existing team. The candidate will be expected to provide input throughout the software lifecycle to include testing. The developer should be able to work… more
    Belay Technologies (12/12/25)
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