• Cyber Detection Engineer

    Leidos (Ashburn, VA)
    …and reports any suspected and confirmed security violations. Leidos is seeking an experienced Cyber Detection Engineer to join our team. As a member ... cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems...+ Will be responsible for developing scripts to support cyber threat detection that outputs results in… more
    Leidos (12/19/25)
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  • Cyber Network Security Engineer

    CACI International (Chantilly, VA)
    Cyber Network Security Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... None Type of Travel: None * * * **The Opportunity:** **CACI is seeking a talented Cyber Network Security Engineer to join our team in Chantilly, VA. This role… more
    CACI International (12/02/25)
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  • Senior Splunk Cyber Security…

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career, and customer-oriented **Senior Splunk Cyber Security Engineer ** to join our team in **Chantilly, VA.** In this role, you ... Enforcing role-based access controls and operational security policies + Collaborating with cyber analysts and engineering teams to improve detection and… more
    ManTech (12/30/25)
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  • Cyber Network Security Engineer

    CACI International (Chantilly, VA)
    Cyber Network Security Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... described in adversary emulation plans + Evaluate the efficacy of existing detection mechanisms, analytics, and mitigations + Identify gaps in visibility, data,… more
    CACI International (11/07/25)
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  • Cyber Capability Engineer Sr - Rapid…

    BAE Systems (Chantilly, VA)
    **Job Description** This position is for an senior level experienced cyber engineer with rapid development CNO and CNE experience. Rapid development is a dynamic ... Other incentives may be available based on position level and/or job specifics. ** Cyber Capability Engineer Sr - Rapid Development** **119782BR** EEO Career Site… more
    BAE Systems (01/09/26)
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  • Senior Cyber Forensics and Malware Analyst

    BAE Systems (Sterling, VA)
    **Job Description** **Join Our Team as a Senior Cyber Forensics and Malware Analyst** At BAE Systems, we're passionate about harnessing the power of technology to ... customers' most valuable assets from ever-evolving threats. We're seeking an experienced Senior Cyber Forensics and Malware Analyst to lead our team in Dulles, VA,… more
    BAE Systems (10/30/25)
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  • Network Security Engineer (Splunk) - TS/SCI…

    General Dynamics Information Technology (Herndon, VA)
    …SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Cyber and IT Risk Management **Skills:** Industrial Control System,Risk Assessments,Splunk ... to make a personal impact as a Network Security Engineer supporting customer activities. GDIT is your place to...highly skilled team to be a premier provider of cyber security services to the customer. **HOW A NETWORK… more
    General Dynamics Information Technology (12/15/25)
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  • Cybersecurity Project Engineer

    Nightwing (Sterling, VA)
    …VA Clearance: TS/SCI Poly **This position is CONTINGENT upon contract award** The Cyber Security Project Engineer (CSE) supports the LSA to identify, design, ... Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (12/26/25)
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  • Network Engineer

    Nightwing (Herndon, VA)
    Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission support services to meet our customers' ... most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency,...and commercial markets. Nightwing is seeking a cleared Network Engineer in the Herndon area. The selected candidate will… more
    Nightwing (12/23/25)
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  • Physical Security Engineer 4

    M. C. Dean (Chantilly, VA)
    …is Building Intelligence. We design, build, operate, and maintain cyber -physical solutions for the nation's most mission-critical facilities, secure environments, ... engineering, and cybersecurity industries. We are seeking a **Physical Security Engineer 4** to join our **Security and Electronic Systems (SES)** business… more
    M. C. Dean (10/23/25)
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  • Hardware Engineer

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission support services to meet our customers' ... most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical… more
    Nightwing (12/26/25)
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  • Information Systems Security Engineer

    General Dynamics Information Technology (Chantilly, VA)
    …+ Polygraph **Public Trust/Other Required:** None **Job Family:** Cyber and IT Risk Management **Skills:** Computer Security,Information ... support our work on assessment and authorization (A&A) of critical systems, detection of adversary behavior, and improving the defensive posture of our customer's… more
    General Dynamics Information Technology (01/02/26)
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  • Network Emulation Engineer

    CACI International (Chantilly, VA)
    Network Emulation Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... described in adversary emulation plans** **Evaluate the efficacy of existing detection mechanisms, analytics, and mitigations** **Identify gaps in visibility, data,… more
    CACI International (10/28/25)
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  • Lead Information Security Engineer

    Lumen (Herndon, VA)
    …function is to provide customers with constant monitoring, protection, prevention, and detection services as well as reporting and incident analysis based on events ... and issue posture and assessment reports This Lead Information Security Engineer position operates in a supportive role implementing security, technology, and… more
    Lumen (01/09/26)
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  • Counter Space Payload Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a **Counter-Space Payload Engineer ** to join our team in Chantilly, VA. The Counter-Space Payload Engineer should understand both ... to operations across the counter-space threat continuum. The Counter-Space Payload Engineer should have specific experience in the design, development, and testing… more
    SAIC (11/06/25)
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  • TEMPEST Engineer - TS/SCI w/Poly

    General Dynamics Information Technology (Chantilly, VA)
    …of applicable TEMPEST policies efficiently and cost effectively. The TEMPEST engineer will product TSS deliverables. Shall review TEMPEST testing, TEMPEST ... release. Record the documents and task closure in customer database. The TEMPEST engineer will conduct ad hoc testing using equipment from the Government's TEMPEST… more
    General Dynamics Information Technology (11/11/25)
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  • AI Machine Learning Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a **AI Machine Learning Engineer ** to help transition to new Artificial Intelligence (AI) technologies, modernizing current ... for automated webscrapes. + Automation of other functions related to webscrapes. + Detection and "self-healing" of scrapes. + Automated visual detection of… more
    SAIC (01/03/26)
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  • Machine Learning Modeling and Simulation…

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a Machine Learning Modeling and Simulation Engineer in Chantilly, VA. The successful candidate will: + Develop and maintain ... sensor phenomenology studies, including optical, infrared, or radar modeling for detection , tracking, and signature analysis. + Perform orbital mechanics modeling… more
    SAIC (10/22/25)
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  • Infoblox Systems Engineer - TS/SCI

    General Dynamics Information Technology (Sterling, VA)
    …is safe and tomorrow is smarter. Our work depends on an Infoblox Systems Engineer joining our team to support Government activities in Sterling, VA or Annapolis ... environment in delivering Network Engineering Services. As an Infoblox Systems Engineer supporting the Government, you will be trusted to provide Enterprise… more
    General Dynamics Information Technology (11/26/25)
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  • Network Engineer 5

    M. C. Dean (Chantilly, VA)
    …is Building Intelligence. We design, build, operate, and maintain cyber -physical solutions for the nation's most mission-critical facilities, secure environments, ... in electrical, engineering, and cybersecurity industries. We are seeking a **Network Engineer 5** to join our **Security and Electronic Systems (SES)** business… more
    M. C. Dean (11/28/25)
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