• Modeling and Simulation Engineer (Senior I)

    KBR (Reston, VA)
    …+ Proficiency in C++, Python, or other programming language + Active Top - Secret clearance with Sensitive Compartmented Information (SCI) eligibility Desired: + ... Title: Modeling and Simulation Engineer (Senior I) Belong. Connect. Grow. with KBR!...contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future… more
    KBR (08/14/25)
    - Related Jobs

  • Lead IT Systems Engineer

    ManTech (Chantilly, VA)
    ManTech seeks a motivated, career and customer-oriented **Lead IT Systems Engineer ** to join our team in **Chantilly, VA.** **Responsibilities include but are ... infrastructure resources (eg storage and networking), and how to configure operating systems and applications in an efficient manner. + Maintaining platforms of… more
    ManTech (08/17/25)
    - Related Jobs

  • GEOINT Senior Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a Senior Systems Engineer to support the NRO GEOINT System Integration & Architecture (GSIA) office. This is a Systems ... approval. + Expect Travel within the US approximately 10% of the time. + TS /SCI w/ Poly **Qualifications** + BS in Engineering (preferred); or Science, Space related… more
    SAIC (08/07/25)
    - Related Jobs

  • Communications Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a Senior Communications Systems Engineer to provide systems engineering and technical advisory (SETA) services to our ... This position supports space and ground communication networks for multiple satellite systems , that are currently in development and on orbit. It provides subject… more
    SAIC (08/07/25)
    - Related Jobs

  • System Development Engineer , STRADA…

    Amazon (Arlington, VA)
    …to launch a project on a trajectory to success? Amazon is seeking a Linux/Unix Systems Administrator/ Engineer with the ability to automate day to day tasks and ... many different internal Software Development teams to drive improvement of the systems /services within the team's scope. It is important to be able to work… more
    Amazon (09/24/25)
    - Related Jobs

  • Senior Information System Security Engineer

    ManTech (Chantilly, VA)
    …other cyber discipline. **Security Clearance Requirements:** + Must have a current/active Top Secret security clearance with eligibility to obtain SCI. ... or existing network system(s). Ensure that the design of hardware, operating systems , and software applications adequately address cybersecurity requirements for… more
    ManTech (09/26/25)
    - Related Jobs

  • Senior Information System Security Engineer

    ManTech (Quantico, VA)
    …or other cyber discipline. **Clearance Requirements:** + Must have a current/active Top Secret clearance with eligibility to obtain SCI. + Selected ... or existing network system(s). Ensure that the design of hardware, operating systems , and software applications adequately address cybersecurity requirements for… more
    ManTech (08/13/25)
    - Related Jobs

  • Enterprise Systems Engineer

    ManTech (Mclean, VA)
    **ManTech** is seeking a motivated, career and customer-oriented **Enterprise Systems Engineer ** to join our team in **McLean** **, VA** . **Responsibilities ... support staff in the performance of assigned projects + Perform full-stack software engineering development using Agile methodologies + Develop and execute business… more
    ManTech (08/19/25)
    - Related Jobs

  • Senior Offensive Cyber Engineer

    ManTech (Quantico, VA)
    …+ Must Have an Active Secret with the ability to obtain Top Secret /SCI **Physical Requirements:** + This job largely operates in a professional ... MANTECH seeks a **Senior Offensive Cyber Engineer ** to perform analysis of cybersecurity packages using...Authority to Operate (ATO) while supporting the Marine Corps Systems Command (MCSC) in **Quantico, VA** . This position… more
    ManTech (08/01/25)
    - Related Jobs

  • System Development Engineer , Platform…

    Amazon (Arlington, VA)
    …that has the entrepreneurial feel of a start-up. This is an opportunity to operate and engineer systems on a massive scale, and to gain top -notch experience ... Dedicated Cloud team is hiring for a System Development Engineer to support CloudTrail, AWS Config and other AWS...improvements to the reliability, availability, and performance of those software systems . An example week could look… more
    Amazon (09/18/25)
    - Related Jobs