• Principal Software Engineer

    ManTech (Reston, VA)
    ManTech seeks a motivated, career and customer-oriented ** Principal Software Engineer ** to join our team in **Reston, VA.** This is an onsite position. The ... ** Principal Software Engineer ** will work with Network and Systems Engineers to design, build, monitor, maintain, and upgrade all program networks to ensure… more
    ManTech (06/11/25)
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  • Principal Software Engineer

    Leidos (Reston, VA)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Software Engineer ** in our **National Security Sector's (NSS) Cyber & ... us and make a difference in National Security!** **Job Description** As a Software Engineer on this program, you will have the opportunity to build strong… more
    Leidos (05/15/25)
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  • Senior/ Principal Software

    Microsoft Corporation (Reston, VA)
    …infrastructure, and data platform development. We're looking to recruit both **Senior and/or Principal Software Engineer .** You will help conduct business ... implementation for our Sovereign and Government Clouds. As a **Senior and/or Principal Software Engineer ** you will work across team boundaries to determine… more
    Microsoft Corporation (06/27/25)
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  • Principal /Senior Principal Cyber…

    Northrop Grumman (Chantilly, VA)
    …of your career. Are you interested in defining possible? Northrop Grumman is seeking a Principal Software Engineer /Sr Principal Software Engineer ... marine and aviation-related systems to customers around the world. In this role, the Principal Software Engineer /Sr Principal Software Engineer more
    Northrop Grumman (05/28/25)
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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! ... This position focuses on engineering, integrating, and managing software build environments and production pipelines that support real-time applications deployed to… more
    Parsons Corporation (05/08/25)
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  • Principal Dev Ops Software

    Acclaim Technical Services (Reston, VA)
    …workplace among DC area firms and continues to grow. We are actively hiring a Principal Software Engineer to join our Mission Technology Division working in ... Will provide Agile DevOps support to mission critical systems. As a Principal Software Engineer you will have the opportunity to build strong… more
    Acclaim Technical Services (04/06/25)
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  • Sr Principal Engineer

    Northrop Grumman (Chantilly, VA)
    …you interested in defining possible? **Northrop Grumman Mission Systems** is seeking a **Sr Principal Software Engineer ** to join our team! This position ... global security environments, Northrop Grumman brings informed insights and software -secure technology to enable strategic planning. We're looking for innovators… more
    Northrop Grumman (04/08/25)
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  • Principal / Sr Principal

    Northrop Grumman (Fairfax, VA)
    …our Integrated National Systems (INS) Business Unit (BU). **What you'll get to do:** As a Software Engineer on this team, you will be working with the I&T lead ... automated test scripts and support the integration of Ground software applications into one system. You'll write scripts to...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 / Senior Principal

    Northrop Grumman (Fairfax, VA)
    …(INS) Business Unit (BU) to support a Ground program. The program is seeking a Software Engineer to support the Processing Team in development of tasking and ... executing 2-week Sprints for 3-month increment deliveries. As a Software Engineer , you will design, develop, document,...of experience needed to be considered: + Level 3 ( Principal ) + 5 Years of relevant software more
    Northrop Grumman (05/13/25)
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  • Principal /Sr Principal

    Northrop Grumman (Fairfax, VA)
    …position requires being onsite and does not support remote or hybrid work.** As a Software Engineer , you will be on the Space Vehicle Management team where you ... will design, develop, document, refactor, test, and debug applications software for a Ground Segment. Ultimately, you will support...of experience needed to be considered: + Level 3 ( Principal ): + 5 Years of relevant experience with a… more
    Northrop Grumman (06/14/25)
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  • Principal /Sr. Principal

    Northrop Grumman (Fairfax, VA)
    …in the office executing 2-week Sprints for 3-month increment deliveries. As a Software Engineer , you will design, develop, document, refactor, test, and debug ... applications software for a Ground Segment. Ultimately, you will support...willing to sit for a polygraph.** + Level 3 ( Principal ) BS + 5 years of exp; MS +… more
    Northrop Grumman (06/11/25)
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  • Principal Engineer , Amazon…

    Amazon (Herndon, VA)
    …open roles that would be a fit for your background. Key job responsibilities As a Principal Software Engineer , you will: Serve as a technical leader on our ... realities of building and operating high-scale systems for services and data. A Principal Engineer should have strong technical judgment and influential skills… more
    Amazon (05/16/25)
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  • Principal DevSecOps Software

    RTX Corporation (Sterling, VA)
    …Raytheon's Satellite Ground Systems team, where we're building mission-critical software that powers real-time communication, surveillance, and defense systems for ... the intelligence community. In this DevSecOps Engineer role, you won't just support pipelines-you'll architect, build, and lead the transformation of how we deliver… more
    RTX Corporation (06/18/25)
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  • Principal /Sr Principal Systems…

    Northrop Grumman (Fairfax, VA)
    …interface definition studies to translate customer requirements into hardware and software specifications. + Maintaining existing operations procedures up to date ... The selected candidate should have a strong understanding of software development. This position will be at one of...of science, technology, engineering, or mathematics]_ + Level 3 ( Principal ) + 5 Years of relevant experience with completed… more
    Northrop Grumman (07/01/25)
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  • Software Engineer

    Nightwing (Sterling, VA)
    …successful TS/SCI with Polygraph clearance crossover.** Job Description: Nightwing is seeking a Principal Software Engineer with Python expertise to support ... ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive… more
    Nightwing (06/24/25)
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  • Principal /Sr Principal

    Northrop Grumman (Dulles, VA)
    …not only part of history, they're making history. We have an opening for an experienced Software Engineer to join our HALO Flight Software team in the ... + Plan, organize and be involved in the full software lifecycle to develop spacecraft flight software ...all levels. This position can be filled as a Principal Engineer (level 3) or a Sr… more
    Northrop Grumman (06/04/25)
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  • Pr. Cyber Software Security Assurance…

    Northrop Grumman (Dulles, VA)
    …demonstrate ability to work independently is essential. **Additional Responsibilities for a Principal Cyber/ Software Security Assurance Engineer include:** + ... infrastructure as code (Ansible scripting, deployment/re-configuration automation). At the Principal Engineer level, strong technical qualifications with a… more
    Northrop Grumman (05/03/25)
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  • Principal /Sr. Principal Cyber…

    Northrop Grumman (Fairfax, VA)
    …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 Engineer level ... meetings with external contractors/offices. This requisition may be filled at either a Principal Cyber Systems Engineer or Sr. Principal Cyber Systems… more
    Northrop Grumman (06/03/25)
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  • Principal / Sr. Principal Core…

    Northrop Grumman (Chantilly, VA)
    …part of our mission. We are looking for a ** Principal or Sr. Principal ** **Core Network Engineer ** to support the design and implementation services for ... the network. + Test patches and fixes to operating software and to ensure that they are implemented and...best practice policies for product applications. **Basic Qualifications:** + ** Principal Network Engineer ** **:** Bachelor's degree in… more
    Northrop Grumman (04/15/25)
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  • Principal Cyber/Systems Security…

    Northrop Grumman (Dulles, VA)
    …clearance transfer. Applications with Active SCI access are preferred. As a Principal Engineer , candidates must have demonstrated technical accomplishments in ... systems, communications links, and ground command & control (C2) systems. The principal engineer engages with multiple engineering disciplines and contributes to… more
    Northrop Grumman (05/30/25)
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