• Staff Software Engineer - Java, AWS,…

    Zscaler (Mclean, VA)
    …speed and agility with a cloud-first strategy. We're looking for an experienced Staff Software Engineer to join our IT Cloud Engineering team. **This role ... vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling...requires Top Secret Security Clearance , which must be maintained throughout employment. Candidates must… more
    Zscaler (01/14/26)
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  • Software Engineer

    Acclaim Technical Services (Reston, VA)
    …workplace among DC area firms and continues to grow. We are actively hiring a Software Engineer with TS/SCI clearance and polygraph supporting a new contract ... experience in design, development, documentation, and testing and debugging applications software and systems that contain logical and mathematical solutions. They… more
    Acclaim Technical Services (11/18/25)
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  • Software Engineer Sr

    Lockheed Martin (Herndon, VA)
    …capabilities to transform the future\. **THE WORK** **Lockheed Martin is seeking a talented Software Engineer with a TS/SCI clearance ** to work from either ... BS degree\. LM's Space Engineering & Technology, S2CO, Global Software Solutions Team\! Space E&T develops, delivers, and operates...support of national security\. We are seeking a SW Engineer to participate in the design, development, test and… more
    Lockheed Martin (12/18/25)
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  • Principal Software Engineer

    RTX Corporation (Sterling, VA)
    …are eligible for a security clearance ​ **Security Clearance :** DoD Clearance : Secret **Principal Software Engineer ** **- Training System Software ... Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship...**Role Description: ** We are searching for a Principal Software Engineer to join our team in… more
    RTX Corporation (11/19/25)
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  • Software Engineer II - Training…

    RTX Corporation (Sterling, VA)
    …as only US citizens are eligible for a security clearance ​ **Security Clearance :** Secret - Current ** Software Engineer II** **- Training System ... Software (Onsite)** We are currently searching for a Software Engineer to join our team in...tools (JIRA, Confluence, Crucible, Bamboo) + Active DoD Security Clearance (within 24 months) + Agile software more
    RTX Corporation (12/09/25)
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  • Hybrid Software Reverse Engineer

    Cipher Tech Solutions (Vienna, VA)
    … to customer specifications. Regardless of whether you are applying to a software developer or reverse engineer position, if your application is approved, ... Vienna, VA, USA | Software Development | Hourly | 43.27-108.17 per hour...US Citizen + Must hold a US government security clearance at the TS//SCI level with Polygraph + Must… more
    Cipher Tech Solutions (11/18/25)
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  • Senior Computer Network Defense (CND)…

    V2X (Springfield, VA)
    …responsibility, and professionalism. We are hiring for a Senior Computer Network Defense (CND) Engineer with an active TS/SCI clearance - with the ability to ... are required to be onsite. The Senior Computer Network Defense (CND) Engineer tests, implements, deploys, maintains, review, and administers the hardware, … more
    V2X (12/12/25)
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  • Android Mobile Reverse Engineer :…

    Cipher Tech Solutions (Vienna, VA)
    …with the ARM assembly language. Regardless of whether you are applying to a software developer or reverse engineer position, if your application is approved, we ... hold a TS (Top Secret) Level US Government Security Clearance at time of application. + Bachelor's or Master's...hard STEM discipline. Technical Requirements: + Must possess strong software development skills + Must be able to read… more
    Cipher Tech Solutions (11/21/25)
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  • Systems Engineer - Platform - active TS/SCI…

    V2X (Springfield, VA)
    …with integrity, respect, responsibility, and professionalism. We are hiring for a Systems Engineer - Platform - active TS/SCI clearance for our Systems ... Team to support our government customer based in Springfield, VA. The Systems Engineer - Platform provides a combination of software and systems engineering… more
    V2X (12/12/25)
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  • Lead, Information Security Systems Engineer

    L3Harris (Ashburn, VA)
    …domains in the interest of national security. Job Title: Anti-Tamper System Security Engineer (Secret Security Clearance ) Job Code: 30715 Job Location: Ashburn, ... 5200.39 for the identification and protection of CPI. + Engineer trustworthy and secure systems in accordance with NIST...+ Mentor and develop junior engineers. + Provide DoD software selection and approval processes for COTS, GOTS, and… more
    L3Harris (11/01/25)
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