• Principal DevOps Engineer

    GliaCell Technologies (Annapolis Junction, MD)
    Are you a Principal DevOps Engineer who...have the following: + Possess an active or rein-statable TS /SCI with Polygraph security clearance. + Be a US ... to work with some amazingly talented people Job Description: GliaCell is seeking a Principal DevOps Engineer on one of our subcontracts. This is a full-time… more
    GliaCell Technologies (11/12/25)
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  • Principal DevOps Engineer

    Leidos (Bethesda, MD)
    …(Developer, Solution Architect, or Sys Ops Administrator) + AWS Professional Certification ( DevOps Engineer or Solutions Architect) + Demonstrated experience in ... **Description** **Leidos** has a new and exciting opportunity for a **PrincipalDevOps Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business… more
    Leidos (12/04/25)
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  • Principal DevOps Engineer

    Oracle (Arlington, VA)
    …resilience, and security. **Required Qualifications:** + 7+ years in software engineering or DevOps roles, with at least 5+ years managing large Linux fleets (eg, ... Engineering, or equivalent professional experience. + US citizenship and active TS /SCI clearance with Full Scope Polygraph (or ability to obtain/maintain).… more
    Oracle (12/25/25)
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  • Principal Delivery Consultant…

    Amazon (Jessup, MD)
    …- AWS Professional level certifications (eg, Solutions Architect Professional, DevOps Engineer Professional) preferred - Experience with automation ... that the candidate selected must currently possess and maintain an active TS /SCI security clearance with polygraph. The position further requires the candidate to… more
    Amazon (01/06/26)
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  • Principal Software Engineer - SIGINT…

    Lockheed Martin (Hanover, MD)
    …used for contingent offers\. \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph SWE3: * A High School ... review software and system documentation Knowledge or experience in the following; * DevOps , Automated testing and CI/CD pipelines in Git * Container and Container… more
    Lockheed Martin (01/08/26)
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  • Principal Network Engineer

    Leidos (Odenton, MD)
    Secret security clearance prior to start and be able to obtain a Top Secret . (US Citizenship required)_ The anticipated salary range is $160,000 to $180,000 ... **Description** Leidos is seeking a ** Principal ** **Network Engineer ** to join our...Policy Manager (CPPM) identity management solution. * Demonstrated NET/SEC DevOps experience. * ITIL v3/v4 certification/training. * Agile certifications… more
    Leidos (10/16/25)
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  • Principal Software Engineer

    GliaCell Technologies (Annapolis Junction, MD)
    …not apply if you currently do not possess this level of clearance. Are you a Principal Software Engineer who is ready for a new challenge that will launch your ... An active or rein-statable TS /SCI with Polygraph security clearance is REQUIRED. Please...amazingly talented people Job Description: GliaCell is seeking a Principal Software Engineer on one of our… more
    GliaCell Technologies (11/10/25)
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  • Principal Java Software Engineer

    RTX Corporation (Fort Meade, MD)
    …PA, Ft. Meade, MD or Aurora, CO.** **What You Will Do** + The Principal Java Software Engineer will design, develop, and maintain advanced software applications ... citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with Poly - Current At Raytheon, the foundation...that create a safer, more secure world. In the ** Principal Java Software Engineering** role, you will design, develop,… more
    RTX Corporation (01/12/26)
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  • DevOps Engineers

    Artera Technologies (Annapolis Junction, MD)
    …solutions to optimize and support our clients' large datasets. Tasking: The DevOps Engineer shall be responsible for performing System Integration activities ... ENGINEERS Job Type: Full Time Level: Mid, Senior, Principal Location: Maryland (Annapolis Junction / Fort Meade area)...tools, packages, and libraries in a Linux environment. The DevOps Engineer must be detailed oriented, have… more
    Artera Technologies (12/02/25)
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  • Principal Test Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Test Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business ... us and make a difference in National Security!** **Job Description** As a Test Engineer on this program, you will have the opportunity to design, develop, and… more
    Leidos (12/11/25)
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  • Principal Software Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... difference in National Security!** **Job Description** As a Software Engineer on this program, you will have the opportunity...testing of customer tools and applications. Based in a DevOps framework, this role participates in and/or directs major… more
    Leidos (11/19/25)
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  • Principal Software Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal ** **Software Engineer ** in our **National Security Sector's (NSS) Cyber & ... and make a difference in National Security!** **Job Description** A Software Engineer on this program provides Agile development and operations and maintenance for… more
    Leidos (11/07/25)
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  • Principal Test Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Test Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business ... us and make a difference in National Security!** **Job Summary:** As a Test Engineer on this program, you will have the opportunity to perform software development… more
    Leidos (10/31/25)
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  • Azure Infrastructure Engineer

    Koniag Government Services (Washington, DC)
    …infrastructure solutions on the Microsoft Azure platform. This position requires an Active Top Secret with SCI eligibility clearance, supporting a DOJ FBI ... part of a collaborative team **Clearance Required:** + Active Top Secret with SCI eligibility **Desired Skills...such as Azure Solutions Architect, Azure Administrator, or Azure DevOps Engineer + Experience with hybrid cloud… more
    Koniag Government Services (12/10/25)
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  • Principal HPC Software Engineer

    GliaCell Technologies (Annapolis Junction, MD)
    Are you a Principal HPC Software Engineer who is ready for a new challenge that will launch your career to the next level? + Tired of being treated like a ... Big Data, Cloud Technologies, Analytics, Machine Learning, AI, and DevOps Containerization. We also provide customer solutions in the...amazingly talented people Job Description: GliaCell is seeking a Principal HPC Software Engineer on one of… more
    GliaCell Technologies (11/21/25)
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  • Principal AI/ML Engineer (SWE-4)

    Leidos (Fort Meade, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal AI/ML Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... more about how this program "Delivers Mission Success!" Seeking a motivated AI/ML Engineer to support the exciting Corporate Discovery Services mission. The AI/ML … more
    Leidos (12/20/25)
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  • Principal Software Development…

    Oracle (Washington, DC)
    …connective tissues and purpose-built solutions. We are seeking a **Software Development Engineer (SDE)** to join ASC team within the Oracle Government Defense ... Intelligence (GDI) division. **Responsibilities** **Responsibilities** Our Principal engineers are technical leaders in our government clouds. They must work… more
    Oracle (12/20/25)
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  • Principal Network Engineer

    Leidos (Mclean, VA)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Network Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... TS /SCI with Polygraph. **Preferred Qualifications:** + Experience developing DevOps infrastructure using GitHub, Jenkins, Ansible and related tools + CCNA… more
    Leidos (01/09/26)
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  • Front End Developer, Assoc. Principal w/…

    BigBear.ai (Annapolis Junction, MD)
    Overview BigBear.ai is seeking a Front-End Software Engineer to work on an exciting, mission-critical team. This position will be based out of the Annapolis ... (or 4 additional yrs. in place of BS) + TS /SCI with Poly clearance + Expertise in front-end technologies...CNO mission. + Exposure to modern version control and DevOps tooling like Git and containerization. + Problem-solving mindset… more
    BigBear.ai (11/07/25)
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  • RF / DSP Software Engineer level 5

    Lockheed Martin (Hanover, MD)
    …We support our employees, so they can support our mission\. **THE WORK** As a Principal Software Engineer , my typical day is filled with excitement and energy as ... college or university\. * Fourteen \(14\) years of experience as a Software Engineer \(SWE\) Programming Languages: * C\+\+ experience * Python 3\.0 experience … more
    Lockheed Martin (01/09/26)
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