• 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 ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission...more. **Join us and make a difference in National Security !** **Job Description** As a Software Engineer more
    Leidos (11/19/25)
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  • Principal Software Engineer

    Leidos (Bethesda, MD)
    …**Leidos** has a new and exciting opportunity for a **Principal** **Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission...more. **Join us and make a difference in National Security !** **Job Description** A Software Engineer on… 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 ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission...more. **Join us and make a difference in National Security !** **Job Summary:** As a Test Engineer more
    Leidos (10/31/25)
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  • Principal Elasticsearch Systems Engineer

    Leidos (Bethesda, MD)
    …**Leidos** has a new and exciting opportunity for a **Principal** **Elasticsearch Systems Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission...more. **Join us and make a difference in National Security !** **Job Summary** The Principal Elasticsearch Systems Engineer more
    Leidos (10/30/25)
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  • AWS Full Stack Infrastructure Engineer

    BCMC (Dulles, VA)
    …mitigation countermeasures as necessary. Required Qualifications: * US Citizenship * Active Secret clearance (with the ability to obtain TS /SCI clearance and ... address emerging threats. We are seeking a skilled Full Stack Infrastructure Engineer with expertise in AWS Cloud production and development environments. This role… more
    BCMC (01/06/26)
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  • Mid-Level Systems Engineer

    GliaCell Technologies (Annapolis Junction, MD)
    An active or rein-statable TS /SCI with Polygraph security clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance. Are ... you a Mid-Level Systems Engineer who is ready for a new challenge that...on Software & System Engineering in Enterprise and Cyber Security solution spaces. We excel at delivering stable and… more
    GliaCell Technologies (11/01/25)
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  • RF / DSP Software Engineer level 5

    Lockheed Martin (Hanover, MD)
    …Basic Qualifications\) \#RMSIL2025 \#OneLMHotJobs **Basic Qualifications:** * Ability to obtain US Security Clearance * Bachelor's degree in Computer Science or ... to undermine our way of life\. As a cyber security professional at Lockheed Martin, you'll protect the networks...support our mission\. **THE WORK** As a Principal Software Engineer , my typical day is filled with excitement and… more
    Lockheed Martin (01/09/26)
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  • Software Engineer

    Leidos (Arlington, VA)
    … level security clearance with the ability to obtain a TS /SCI. **Bonus education/experience:** * Master's Degree in Computer Engineering, Electrical ... Engineering, Computer Science, or equivalent * Existing security clearance higher than the Secret level * Experience with Machine Learning and/or Artificial… more
    Leidos (10/21/25)
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  • Data Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Data Engineer ** to join our Data and AI Practice onsite in Chantilly and/or Herndon, VA. You will be a ... of cloud base databases with applications and services + Implement robust security measures to protect sensitive data and ensure compliance with relevant data… more
    ManTech (11/15/25)
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  • Lead Data Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Lead** **Data Engineer ** to join our Data and AI Practice onsite in **Chantilly and/or Herndon, VA** . ... and high throughput for real-time and batch data processing. . Implement robust security measures to protect sensitive data and ensure compliance with relevant data … more
    ManTech (11/05/25)
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