• Tyto Athene (Washington, DC)
    **Description** Tyto Athene is seeking a Part-Time ** Principal Engineer ** to support a Government Program Management Office in Suitland, MD. ... that drives measurable success. Our expertise spans four core technology domains- Network Modernization, Hybrid Cloud , Cybersecurity, and Enterprise IT-empowering… more
    DirectEmployers Association (10/04/25)
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  • Principal Cloud Network

    EchoStar (Herndon, VA)
    …which may include a live whiteboarding or technical assessment session.** The DISH Wireless Principal Cloud Network Architect will be the technology lead for ... related field + Serve as lead Consulting Architect for key accounts, defining cloud network strategies and architectures across customer organizations + Lead… more
    EchoStar (10/25/25)
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  • Senior Principal Cloud

    Eliassen Group (Washington, DC)
    **Senior Principal Cloud Engineer ** **Washington,...+ Support all tiers of applications deployed in the cloud , configuring network , cloud native ... + Description + Recommended Jobs **Description:** We are looking for a Senior Principal Cloud Engineer to join our team. Minimum 15+… more
    Eliassen Group (09/27/25)
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  • Senior Principal Azure Cloud

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated and experienced **Senior Principal Azure Cloud Engineer ** to join our team in **Chantilly, VA.** In this role, you will support ... Guide + Microsoft certifications such as Azure Administrator Associate, Azure Security Engineer Associate, Solutions Expert in Cloud Platform and Infrastructure,… more
    ManTech (09/16/25)
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  • Principal Network Systems…

    Saliense Consulting (Arlington, VA)
    …related problems, performance, and capacity as well as work hand-in-hand with the Principal Network Engineer on network infrastructure issues ... package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer ) to...53, RDS, SSM, ElasticSearch and Lambda + Experience supporting Cloud Architects to provide operational network architectures… more
    Saliense Consulting (10/01/25)
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  • Principal Network Engineer

    Koniag Government Services (Washington, DC)
    **Arlluk Technology Solutions,** a Koniag Government Services company, is seeking a Principal Network Engineer to support **ATS** and our government customer ... engineers adhere to industry's best practices and utilize cutting-edge tools and technologies. The Principal Network Engineer will be a subject matter expert… more
    Koniag Government Services (10/06/25)
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  • Principal Network Engineer

    Leidos (Bethesda, MD)
    **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 (08/02/25)
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  • Cybersecurity Engineer - Principal

    General Dynamics Information Technology (Falls Church, VA)
    …System Security **Experience:** 10 + years of related experience **Job Description:** **Security Engineer - Principal ** Own your career as a Security Engineer ... At GDIT, people are our differentiator. As a Security Engineer - Principal you will help ensure...practices through formal verification methods with specific emphasis on network operations and cyber warfare tactics. * Conducts software… more
    General Dynamics Information Technology (10/21/25)
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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 ... In other words, we're the people who keep the cloud running. We support all AWS data centers and...improvement at scale A day in the life A Principal , Mechanical Engineer for Air Handling works… more
    Amazon (07/31/25)
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  • Principal Systems Engineer

    Shuvel Digital (Dulles, VA)
    …to address emerging threats. We are seeking a Principal Systems Engineer to assess, design, and develop automated cloud -based requirements and architectures ... Job Title: Principal Systems Engineer Location: Dulles, VA...develop derived requirements and systems engineering artifacts into advanced cloud infrastructure, management, and operations. Responsibilities include: * Providing… more
    Shuvel Digital (09/25/25)
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  • Principal Systems Engineer - Active…

    General Dynamics Information Technology (Washington, DC)
    …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. A career...Skilled in system administration tasks such as file system, network , and account troubleshooting + Knowledge of repository management… more
    General Dynamics Information Technology (08/09/25)
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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...and operations perspective. + Collaborate with internal stakeholders, including Cloud , Security, and Infrastructure teams, to align network more
    Walmart (10/02/25)
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  • Principal Software Engineer

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... a difference in National Security!** **Job Summary:** We are seeking a highly experienced Principal Software Engineer to lead the development and evolution of a… more
    Leidos (07/31/25)
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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 (NSS) ... **Join us and make a difference in National Security!** **Job Summary** The Principal Elasticsearch Systems Engineer role provides support across an Agile team… more
    Leidos (08/01/25)
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  • Unified Communications Engineer

    Amentum (Fort Meade, MD)
    …Security, & Intel space? If so, look no further. Amentum is seeking a **UC Engineer Principal ** to join our team of passionate individuals in **Fort Meade, MD** ... a team to support a program that provides critical network capabilities to the Department of Defense. We are...processes. **Responsibilities:** The duties and responsibilities of the UC Engineer Principal include, but are not limited… more
    Amentum (10/23/25)
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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) Cyber ... for cross training on our other security tools. Working in a hybrid cloud /on-prem mission environment the engineer will support integration of Linux and… more
    Leidos (08/29/25)
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  • Principal Software Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (08/21/25)
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  • Principal Systems Engineer

    Insight Global (Arlington, VA)
    Job Description Insight Global is looking for a Principal Systems Engineer to support us in the design and implementation of our cloud infrastructure for a ... and architecture. * Collaborate with teams to integrate hardware, cloud , software, and network solutions. * Recommend and evaluate new technologies to enhance… more
    Insight Global (10/23/25)
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  • Principal Mechanical Air-Cooling Systems…

    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 ... In other words, we're the people who keep the cloud running. We support all AWS data centers and...to industry advancement A day in the life A Principal , Mechanical Engineer for Air-Cooled Solutions works… more
    Amazon (10/24/25)
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  • Principal Software Engineer

    ManTech (Reston, VA)
    …in **Reston, VA.** This is an onsite position. The ** Principal Software Engineer ** will work with Network and Systems Engineers to design, build, monitor, ... ManTech seeks a motivated, career and customer-oriented ** Principal Software Engineer ** to join our...PostgreSQL, RabbitMQ, Consul, Vault, Nomad, RHEL9 + Experience with Cloud technologies and developing in Cloud environments… more
    ManTech (09/10/25)
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