• Principal Network Engineer

    Leidos (Mclean, VA)
    **Description** **Leidos** has a new and exciting opportunity for a **Principal Network Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling,… more
    Leidos (01/09/26)
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  • Cyber Integration Engineer

    Leidos (VA)
    …Leidos has an opening for a highly qualified and cleared **Cyber Integration Engineer ** for the Multi-Domain Solutions Division. This is an exciting opportunity to ... this role you will support the Advanced Battle Management System (ABMS) Digital Infrastructure (DI) Processing Node (PN) team to design and implement solutions that… more
    Leidos (01/07/26)
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  • Network Engineer

    Leidos (Arlington, VA)
    …FUTURE ROLE** Leidos' Digital Modernization sector is seeking a Network Engineer to be responsible for the design, migration, implementation, enhancement, ... optimization, and maintenance of infrastructure On GSM-O II. **This position will be 100%...+ Candidate must possess an active DOD TS/SCI level security clearance, and be eligible to obtain and maintain… more
    Leidos (01/02/26)
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  • Network Engineer

    General Dynamics Information Technology (Springfield, VA)
    …Polygraph **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Juniper,Local Area Network (LAN),Network Automation,Wide ... has an exciting and challenging opportunity available for a Network Engineer supporting an Intelligence Community customer's wide-area (WAN), local-area (LAN) and… more
    General Dynamics Information Technology (12/26/25)
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  • Field Engineer - Audio/Visual

    Lockheed Martin (Suffolk, VA)
    …Martin Rotary and Mission Systems, we're building the future of national security \. Our customers are worldwide-and so is our reputation for creating original ... team responsible for the integration and maintenance activities to support infrastructure , events, experiments, and demonstrations at the LM Center for Innovation… more
    Lockheed Martin (12/19/25)
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  • Lead Systems Engineer

    ManTech (Chantilly, VA)
    **MANTECH** is seeking a motivated, career and customer-oriented Lead Systems Engineer to join our team in Chantilly, VA. This is a position will be managing and ... operating system dependencies, physical and virtual server environments, integration with infrastructure resources (eg storage and networking), and how to configure… more
    ManTech (12/17/25)
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  • Construction Project Manager, Quality Control…

    Parsons Corporation (Centreville, VA)
    …art as they provide services and solutions in the areas of defense, security , intelligence, infrastructure , and environmental. We promote a culture of excellence ... Us Parsons is a digitally enabled solutions provider focused on the defense, security , and infrastructure markets. With nearly 75 years of experience, Parsons… more
    Parsons Corporation (12/11/25)
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  • Consulting Engineer I (Full Time) - United…

    Cisco (Herndon, VA)
    …experience for our customers. You will make a proven impact on network infrastructure and solutions like security , mobility and cloud. Customer Experience covers ... on network infrastructures. Deliver business solutions and technology solutions from data, security , mobility and the cloud. **Your Impact** As a Consulting … more
    Cisco (11/21/25)
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  • Sr. Hardware Development Engineer , Bespoke…

    Amazon (Arlington, VA)
    Description Join AWS as a Senior Hardware Development Engineer to architect and lead the development of next-generation cloud infrastructure hardware. Drive ... also benefit from the associated investments from the Commonwealth including infrastructure updates, public transportation improvements, and new access to Reagan… more
    Amazon (11/05/25)
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  • Software Development Engineer III - Threat…

    Amazon (Arlington, VA)
    …threats, track adversary activities, and provide actionable intelligence across Amazon's security ecosystem. As a Software Development Engineer within ACTI ... designing scalable solutions that process, analyze, and correlate vast amounts of security data across Amazon's global infrastructure . Your technical leadership… more
    Amazon (01/10/26)
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