• Principal Elasticsearch Systems

    Leidos (Reston, VA)
    …**Leidos** has a new and exciting opportunity for a ** Principal ** **Elasticsearch Systems Engineer ** in our **National Security Sector's (NSS) Cyber & ... and make a difference in National Security !** **Job Summary** The Principal Elasticsearch Systems Engineer role provides support across an Agile team in… more
    Leidos (07/19/25)
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  • Principal Network Systems

    Saliense Consulting (Arlington, VA)
    …the design, implementation, documentation, and troubleshooting of the enterprise server environment. The Principal Systems Engineer must have the ability to ... package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer ) to...practices and cutting technology. + Manages team responsible for systems engineering, security engineering, and workstation and… more
    Saliense Consulting (07/07/25)
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  • Principal Cybersecurity Engineer

    Mercury Systems (Arlington, VA)
    Req. Number 25-361 Job Description Job Summary: The Principal Security Engineer is responsible for implementing, maintaining, monitoring and managing secure ... the organization is evolving with the threat landscape. The Principal Security Engineer is expected...systems , applications, third-party connections, service providers and ancillary systems , the senior security engineer more
    Mercury Systems (06/24/25)
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  • Principal Cyber Security

    ManTech (Chantilly, VA)
    **Mantech** seeks a motivated and customer-focused ** Principal Cyber Security Engineer ** to join our team in **Chantilly, VA** . In this role, you will help ... deployments or data centers . Experience deploying and/or supporting enterprise security software such as firewalls, intrusion prevention systems (IPS),… more
    ManTech (06/28/25)
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  • Principal Systems Engineer

    Shuvel Digital (Dulles, VA)
    Job Title: Principal Systems Engineer Location: Dulles, VA - Hybrid Duration: Contract Clearance: Active Secret. Must be able to obtain DHS Suitability. Must ... introducing new cyber capabilities to address emerging threats. We are seeking a Principal Systems Engineer to assess, design, and develop automated… more
    Shuvel Digital (06/26/25)
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  • Principal / Sr Principal

    Northrop Grumman (Fairfax, VA)
    …Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations ... of history, they're making history. The Payload and Ground Systems , a division within Northrop Grumman's Space Systems...work.** _This requisition may be filled at either a Principal level (level 3) or a Senior Principal more
    Northrop Grumman (05/29/25)
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  • Principal Network and Systems

    Amentum (Richmond, VA)
    **_Amentum seeks a Principal Network and Systems Engineer - IT Solutions Implementor!_** **Amentum** is a global leader in advanced engineering and ... address their most significant and complex challenges in science, security and sustainability. Headquartered in Virginia, we have more...80 countries across all 7 continents. Amentum seeks a Principal Network and Systems Engineer more
    Amentum (07/19/25)
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  • Principal Systems Engineer

    SAIC (Chantilly, VA)
    …Intel Business Group, USG Mission and Information Technology Division, is seeking a ** Principal Systems Engineer ** to provide technical expertise and ... designing, and developing infrastructure and infrastructure components that meet security needs. It also includes developing updated guidance for online… more
    SAIC (06/26/25)
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  • Systems Engineer Principal

    SAIC (Virginia Beach, VA)
    **Description** SAIC is seeking a ** Principal Systems Engineer ** to support the Tactical Networks (TACNET) Capabilities Based in Service Engineering Agent ... (ISNS), and Sensitive Compartmented Information (SCI) Networks. TACNET Sustainment Team seeking a Systems Engineer who will assist and lead various efforts and… more
    SAIC (07/09/25)
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  • Principal Software Systems

    Parsons Corporation (Herndon, VA)
    …for. **Job Description:** **Job Description:** Parsons is looking for an amazingly talented ** Principal ** **Software Systems Engineer ** to join our team! ... is not a software development role, but one focused on systems -level coordination, requirements definition, integration, and deployment assurance for edge-focused… more
    Parsons Corporation (05/08/25)
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