• Senior Software Engineer (C#)

    Synergy ECP (Quantico, VA)
    Senior Software Engineer (C#) Quantico, VA (http://maps.google.com/maps?q=Quantico+VA+USA) Description Synergy is looking for Senior C# Software Engineer ... specifications. You will validate and review effectiveness of existing software solutions and resolve any issues with the team....type, and complexity may be substituted for a degree. Required Capabilities: + C# + MS SQL + PostgreSQL… more
    Synergy ECP (11/06/25)
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  • Senior Software Engineer (C++)

    Synergy ECP (Annapolis Junction, MD)
    Senior Software Engineer (C++) Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) Description We are searching for cleared ... be doing: Synergy is seeking a Senior level C++ Software engineer with a background in RF...SWE experience may be substituted for a bachelors degree. Required Capabilities: + C++ + Python + RedHat /… more
    Synergy ECP (11/06/25)
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  • Software Engineer II

    RTX Corporation (Annapolis Junction, MD)
    …Clearance:** TS/SCI without Polygraph **Applied Signal Technology (AST)** is seeking a ** Software Engineer II** who strives for excellence and have a passion ... and maintain a US government issued security clearance is required .​ US citizenship is required , as only...Participate in the requirements, design, development and testing of software to include development of new work products or… more
    RTX Corporation (12/26/25)
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  • Software Engineer TS/SCI

    CACI International (Santa Clara, CA)
    Software Engineer TS/SCI Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... Opportunity:** Are you ready to apply your expertise in software development to help shape the future of mission-critical...customers. Some Continental US and international travel may be required up to 10% as well as surge support.… more
    CACI International (12/09/25)
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  • Software Engineer (Level 2 and 3)

    Belay Technologies (Annapolis Junction, MD)
    …runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Software Engineer (SWE) level 2/3, to support our intel team. Candidates should have ... the following qualifications: + TS/SCI with polygraph + Bachelor's Degree in Computer Science or related...related discipline from an accredited college or university is required . + Mid Level - + Four (4) years… more
    Belay Technologies (11/19/25)
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  • Hybrid Software Engineer -TS/SCI…

    CACI International (Laurel, MD)
    Hybrid Software Engineer -TS/SCI with Poly Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... * **The Opportunity:** CACI is seeking a Hybrid Senior Software Developer to join our team building a ...related discipline from an accredited college or university is required . Four years of additional SWE experience on projects… more
    CACI International (11/14/25)
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  • Software Engineer II - CTJ - Poly

    Microsoft Corporation (Redmond, WA)
    …running smoothly, securely, and in parity across our secure multi-cloud environments! As a Software Engineer II on this team, you will design and build solutions ... flexible arrangements, including partial work‑from‑home, are supported. Come join us as a Software Engineer II! Microsoft's mission is to empower every person… more
    Microsoft Corporation (12/03/25)
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  • Software Test Engineer (TS/SCI…

    CACI International (Columbia, MD)
    Software Test Engineer (TS/SCI w/Poly) Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... Job Description CACI has an immediate opportunity for a Software Test Engineer to join a team...(DTS) portfolio providing the infrastructure, data protocols and applications required to move time-critical data in near real-time. These… more
    CACI International (11/07/25)
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  • Software Reverse Engineer

    Percival Engineering (Columbia, MD)
    …to developing cutting-edge software , our team does it all. If you are a Software Reverse Engineer with a passion for innovation and a knack for thinking ... + Non-Remote Clearance & Citizenship Requirements: + TS/SCI with polygraph is required + Due to these... Responsibilities Include: + Design, develop, test, and integrate software for advanced cybersecurity capabilities using the latest … more
    Percival Engineering (11/06/25)
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  • Software Engineer

    Leidos (Chantilly, VA)
    **Description** Leidos Intelligence Group is seeking a Software Engineer to provide support to a team specializing in the innovative development of search ... search services, data repositories, and knowledge management services. You will be required to perform duties of project management and technical support to manage… more
    Leidos (12/17/25)
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