• Network Management Systems Engineer

    Leidos (Fort Belvoir, VA)
    …education and training may be considered in lieu of degree. + Possess active DoD Top Secret clearance with SCI eligibility at time of consideration. + ... the IT infrastructure, enabling proactive issue detection, and resolution. **Clearance: TS / SCI REQUIRED** **Key Responsibilities:** + Deploy, configure and… more
    Leidos (12/24/25)
    - Related Jobs
  • Senior Information System Security…

    General Dynamics Information Technology (Reston, VA)
    …ID:** RQ210603 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... related experience **US Citizenship Required:** Yes **Job Description:** **Senior** ** Information System Security** ** Engineer ** Deliver security related… more
    General Dynamics Information Technology (11/21/25)
    - Related Jobs
  • Principal Systems Engineer

    Northrop Grumman (Chantilly, VA)
    …+ Experience with requirements management **Preferred Qualifications for both levels:** + Active Top Secret / SCI security clearance + Hands-on experience with ... clearance needed to start. Must be able to obtain and maintain a TS / SCI security clearance. + Strong interdisciplinary problem-solving skills, demonstrated by… more
    Northrop Grumman (12/19/25)
    - Related Jobs
  • Modeling and Simulation Engineer

    KBR (Chantilly, VA)
    …exercises Security Requirements: Active Top Secret clearance and eligible for SCI . Current TS / SCI preferred. Belong, Connect and Grow at KBRAt KBR, ... Title: Modeling and Simulation Engineer KBR is seeking a highly qualified Modeling...more of the following: C++, Python, R, SQL, PostgreSQL, Linux , MATLAB, VBA, or STK Preferred Qualifications: + Master's… more
    KBR (12/02/25)
    - Related Jobs
  • Machine Learning Engineer - Senior

    SOS International LLC (Chantilly, VA)
    Chantilly, VA, USA Full-time FLSA Status: Exempt Clearance Requirement: Top Secret SCI w/ Poly **Company Description** Founded in 1989, SOSi is among the ... stakeholders, facilitating informed decision-making. **Qualifications** **Minimum Requirements** + Existing TS / SCI (with poly). This security clearance requires… more
    SOS International LLC (11/21/25)
    - Related Jobs
  • Systems Engineer - Senior

    Parsons Corporation (Centreville, VA)
    …Engineering or a related field + Must be a US Citizen + Must possess and maintain Top Secret SCI clearance with CI poly + Must have proficient Linux ... Programs and Systems team is hiring a Senior Systems Engineer with a passion for mission excellence in our...quality assurance (QA) experience **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security… more
    Parsons Corporation (12/06/25)
    - Related Jobs
  • Senior Infrastructure / DevOps Engineer

    CACI International (Chantilly, VA)
    … Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: Up to 10% ... of related work experience with a Bachelors degree or equivalent + Active TS / SCI clearance + Proven experience deploying and managing Kubernetes on bare-metal… more
    CACI International (10/25/25)
    - Related Jobs
  • Principal Software Engineer

    Northrop Grumman (Chantilly, VA)
    …best practices + Demonstrated effective communication skills **Preferred Qualifications:** + Active DoD Top Secret / SCI security clearance + Experience ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At...and able to obtain and maintain a US DoD TS / SCI Security Clearance. + Experience throughout the… more
    Northrop Grumman (12/23/25)
    - Related Jobs
  • National Security Sector Referrals

    Leidos (Reston, VA)
    … + Reverse Engineer /Embedded Engineer + Systems Administration - Linux + Information Security Systems Engineer /Officer (ISSE/ISSO) + Data Scientist ... common opportunities are in the following areas: + Software Engineer / Developer: Java, Python, AI/ML + DevOps ...of a degree + Clearance Preferred (and commonly required): TS / SCI with Polygraph. At **Leidos** , we… more
    Leidos (10/18/25)
    - Related Jobs
  • Quality Assurance Engineer

    Parsons Corporation (Centreville, VA)
    …and other formal testing procedures and documentation. **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this ... mission-critical systems? Parsons is seeking a skilled **Quality Assurance Engineer ** to join our team! In this role, you'll...in this role, you will need: + **Clearance:** Active Top Secret / SCI security clearance with… more
    Parsons Corporation (12/20/25)
    - Related Jobs