• Senior Software Developer

    Leidos (Lorton, VA)
    …and improve development practices. **What does Leidos need from me?** + Current and active TS / SCI security clearance, and able to pass a Polygraph. + Minimum of ... and mission software capabilities in the areas of cyber, logistics, security operations , and decision analytics to support our defense and intel customers' mission… more
    Leidos (06/08/25)
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  • Software Developer

    Leidos (Lorton, VA)
    …software development and delivery. **What does Leidos need from me?** + Current and active TS / SCI security clearance, and able to pass a Polygraph. + Minimum of ... and mission software capabilities in the areas of cyber, logistics, security operations , and decision analytics to support our defense and intel customers' mission… more
    Leidos (06/08/25)
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  • Cryptologic Computer Scientist-2

    Leidos (Odenton, MD)
    …to the position. + **Security Clearance Requirement** : Candidates must possess an active TS / SCI with Polygraph clearance to be considered for this role. + ... team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (07/16/25)
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  • Building Engineer

    Nightwing (Sterling, VA)
    …able to speak across different stakeholders to include vendor partners. **Clearance: TS / SCI with Polygraph** **Duties and Responsibilities:** + Inspect and ... Nightwing provides technically advanced full-spectrum cyber, data operations , systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (08/15/25)
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  • LINUX Systems Engineer

    Nightwing (Sterling, VA)
    …SaltStack + Minimum Secret Clearance with the ability to acquire a TS with SCI eligibility Preferred Qualifications + Experience specifically with Debian ... Nightwing provides technically advanced full-spectrum cyber, data operations , systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (07/15/25)
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  • System Administrator

    Nightwing (Sterling, VA)
    …and commercial markets. Job Title: System Administrator Location: Sterling, VA Clearance: TS / SCI Poly **This position is CONTINGENT upon contract award** The ... Nightwing provides technically advanced full-spectrum cyber, data operations , systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (06/27/25)
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  • Senior Python Developer (SWE-3)

    Leidos (Fort Meade, MD)
    …and TCLD. Knowledge of XKEYSCORE/ABYSS fingerprints. + **Security Clearance** : Active TS / SCI with Polygraph required to be considered for this role. + ... team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (07/29/25)
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  • Analytic Java Developer

    Leidos (Fort Meade, MD)
    …Time Analytics. + **Security Clearance Requirement** : Candidates must possess an active TS / SCI with Polygraph required. + **Desirable Skills** : Knowledge ... team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (07/11/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    …complex multi-disciplinary network challenges. **Required Qualifications** + Must have an active TS / SCI clearance with Polygraph. + Must have a Bachelor's degree ... to join our Network Engineering Team within the Engineering Operations group at our Chantilly, VA location. This role...have a current **Customer Medical Screening** **.** + Expert knowledge of network systems, including Cisco IOS commands, VLANs,… more
    Leidos (08/16/25)
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  • Lead Counterintelligence Analyst

    ManTech (Chantilly, VA)
    …or more of the following areas: Foreign Intelligence Entities (FIE) operations ; information operations ; counterespionage and economic/industrial espionage; ... know where to go within the intelligence/technical communities for expert advice. + Knowledge of security practices to safeguard classified information and DoD… more
    ManTech (08/15/25)
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