• Principal Network Systems

    Saliense Consulting (Arlington, VA)
    …a preview of the full benefits package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer ) to join our team in ... be considered and must be eligible to obtain a Top Secret clearance. The Principal Network Systems Engineer will be responsible for leading day-to-day… more
    Saliense Consulting (10/01/25)
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  • RF Engineer Ongoing Talent Pipeline

    V2X (Reston, VA)
    …Years Experience) + Senior RF Engineer + RF Network Architect + Principal RF Systems Engineer + Director of RF Engineering Qualifications Why Join ... + Antenna Design Engineer Mid-Level (3-7 Years Experience) + RF Systems Engineer + Microwave Engineer + Spectrum Management Engineer + Satellite… more
    V2X (08/28/25)
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  • Principal OR Senior Principal Field…

    Northrop Grumman (Washington, DC)
    …Grumman Aeronautics Systems is looking to add a ** Principal OR Senior Principal Field Service Engineer - Network and Communications** to join our ... for operations and maintenance support of the MQ-4C Triton network and communications systems at a Forward...location. _This position can be filled at either the Principal Field Service Engineer - Network more
    Northrop Grumman (09/17/25)
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  • Principal /Sr. Principal Cyber…

    Northrop Grumman (Fairfax, VA)
    …of the best work of your career. We are looking for you to join our team as a Principal Cyber Systems Engineer or Sr. Principal Cyber Systems ... shared mission, we'll support you with expanding your personal network and developing skills, whether you are new to...contractors/offices. This requisition may be filled at either a Principal Cyber Systems Engineer or… more
    Northrop Grumman (11/21/25)
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  • Principal Systems Engineer

    General Dynamics Information Technology (Washington, DC)
    …15 + years of related experience **US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer ** Seize your opportunity to make a ... personal impact as a Senior Principal Systems Engineer with GDIT....Skilled in system administration tasks such as file system, network , and account troubleshooting + Knowledge of repository management… more
    General Dynamics Information Technology (11/08/25)
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  • Senior Principal Applications Delivery…

    General Dynamics Information Technology (Washington, DC)
    …how our customers operate while you advance your career. Join GDIT as a Senior Principal Applications Delivery Network Engineer and build an impactful career ... are driven and resourceful like you. MEANINGFUL WORK AND PERSONAL IMPACT As a Senior Principal Applications Delivery Network Engineer , the work you'll do at… more
    General Dynamics Information Technology (11/01/25)
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  • Sr Principal Cybersecurity Analyst/…

    Northrop Grumman (Chantilly, VA)
    …join our diverse team of engineers, system administrators, and operators as a Sr. Principal Cyber Systems Engineer professional in Chantilly, VA. The ... limited to Standard Operating Procedures and VISIO diagrams. **Senior Principal Cyber Systems Engineer Basic... network procedures and best practices; experience with network challenges associated with systems integration, including… more
    Northrop Grumman (10/02/25)
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  • Systems Test Engineer

    Northrop Grumman (Chantilly, VA)
    …Mission Systems ** is seeking a candidate to fill a ** Systems Test Engineer / Principal Systems Test Engineer ** position. This position will ... in our shared mission, we'll support expanding your personal network and developing skills, whether you are new to...kits. This requisition may be filled at either the ** Systems ** **Test Engineer ** or ** Principal **… more
    Northrop Grumman (10/23/25)
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  • Principal /Sr. Principal

    Northrop Grumman (Dulles, VA)
    …Northrop Grumman Space Systems Sector seeks a qualified Principal or Senior Principal Systems Engineer for the role of Ground Segment Systems ... technical briefings to customers and mission partners **\#NOVASPACE** **Basic Qualifications:** + ** Principal Engineer Level (T3)** - BS in STEM - Science,… more
    Northrop Grumman (10/17/25)
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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 ... sustainment program to design, build, deliver, and operate a network operations environment including introducing new cyber capabilities to...capabilities to address emerging threats. We are seeking a Principal Systems Engineer to assess,… more
    Shuvel Digital (09/25/25)
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  • Principal Mechanical Air-Cooling…

    Amazon (Herndon, VA)
    …of air handling infrastructure for our data centers. AWS is seeking a Principal , Mechanical Engineer for our team developing new infrastructure solutions that ... multi-stakeholder feedback Contribute to industry advancement A day in the life A Principal , Mechanical Engineer for Air-Cooled Solutions works closely with key… more
    Amazon (10/24/25)
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  • Space Principal /Sr. Principal

    Northrop Grumman (Mclean, VA)
    …Write status and technical performance reviews, analyses and reports **Basic Qualifications:** + ** Principal Systems Engineer ** - Bachelors of Science degree ... architecture and ConOps/conceptual design + Support integrated computer and network performance and functionality + Provide support to selected...3+ years of experience; or a PhD + **Sr. Principal Systems Engineer ** - Bachelors… more
    Northrop Grumman (11/13/25)
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  • 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 & ... talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (10/10/25)
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  • Principal Elasticsearch Systems

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal ** **Elasticsearch Systems Engineer ** in our **National Security Sector's ... more. **Join us and make a difference in National Security!** **Job Summary** The Principal Elasticsearch Systems Engineer role provides support across an… more
    Leidos (10/30/25)
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  • Principal Endpoint Security Systems

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity a ** Principal Endpoint Security Systems Engineer ** in our **National Security Sector's (NSS) ... Security!** **Job Description** This effort is seeking an experienced endpoint security systems engineer to join our Cyber Security Engineering team. The… more
    Leidos (08/29/25)
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  • Principal /Sr. Principal Cyber…

    Northrop Grumman (Chantilly, VA)
    …work of your career. We are looking for you to join our team as a ** Principal ** **Cyber Software Test Engineer ** and **Sr. Principal ** **Cyber Software Test ... management in a timely manner and make recommendations **Basic Qualifications for a Principal Cyber Software Test Engineer :** + **Candidate must currently have… more
    Northrop Grumman (11/01/25)
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  • Principal , Software Engineer

    Walmart (Herndon, VA)
    …members. **About the Global Technology Network Engineering and Operations Team:** The Principal Network Engineer will report to the Senior Director of ... **Position Summary ** **What you'll do ** As a Principal Engineer , you will play an important...technical direction and running Walmart Global WAN and Backbone network . Global WAN team is responsible for designing and… more
    Walmart (10/02/25)
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  • Principal Satellite Communications…

    ManTech (Reston, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Principal Satellite Communications Engineer ** to join our team in the **Reston, VA** location. This ... is an **onsite** position. The ** Principal Satellite Communications Engineer ** will travel worldwide to deploy, configure, upgrade, troubleshoot, and maintain… more
    ManTech (09/18/25)
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  • Principal Mechanical Air-Cooling Product…

    Amazon (Herndon, VA)
    …of air handling infrastructure for our data centers. AWS is seeking a Principal , Mechanical Engineer for our team developing new infrastructure solutions that ... You'll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers,...global knowledge base A day in the life A Principal , Mechanical Engineer for Air-Cooled Solutions works… more
    Amazon (10/26/25)
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  • Principal , Mechanical Engineer

    Amazon (Herndon, VA)
    …of air handling infrastructure for our data centers. AWS is seeking a Principal , Mechanical Engineer for our team developing new infrastructure solutions that ... You'll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers,...improvement at scale A day in the life A Principal , Mechanical Engineer for Air Handling works… more
    Amazon (10/30/25)
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