• Principal Software Engineer

    Leonardo DRS, Inc. (Germantown, MD)
    …and border surveillance. **Job Summary** Join our dynamic radar defense company as a Principal Software Engineer where you'll drive technical vision and ... engineer who can seamlessly bridge the gaps between software , hardware, product strategy, and manufacturing while delivering innovative, secure solutions.… more
    Leonardo DRS, Inc. (10/02/25)
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  • Senior Principal Software

    Mastercard (Arlington, VA)
    …and governments realize their greatest potential._ **Title and Summary** Senior Principal Software Engineer , Data Architecture Overview: Mastercard's ... Data & Analytics is seeking a visionary and results-oriented Senior Principal Software Engineer , Data Architecture to lead the design and evolution of… more
    Mastercard (10/17/25)
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  • Sr. Principal Cyber Software

    Northrop Grumman (Chantilly, VA)
    …work of your career. **Northrop Grumman Mission Systems** is seeking an experienced **Senior Principal Cyber Software Engineer ** to join our team supporting ... a Mission Systems Sector site in Chantilly, VA. As a Senior Software Engineer on the Mobile Development team, you will be responsible for the design,… more
    Northrop Grumman (10/21/25)
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  • Principal Software Systems…

    RTX Corporation (Sterling, VA)
    …security clearance **Security Clearance:** DoD Clearance: Secret Collins Aerospace is looking for a Principal Software Systems Engineer - IPT Lead with a ... and military customers. https://www.collinsaerospace.com/what-we-do/industries/military-and-defense/navigation/airborne-products/attitude-and-heading-reference-system/athena-gs111r-uas-autopilot-adahrs-pnt-hub As a Software Systems Engineer -… more
    RTX Corporation (10/29/25)
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  • Principal Software Engineer

    RTX Corporation (Fulton, MD)
    …a wholly owned subsidiary of Collins Aerospace/RTX and is currently seeking a ** Principal Software Engineer ** who is enthusiastic, hardworking, and proactive ... environment, directly driving the design, architecture, and development of new software systems and products utilizing these technologies. Solipsys is an industry… more
    RTX Corporation (10/24/25)
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  • Software Systems Engineer

    The MITRE Corporation (Mclean, VA)
    …and enterprise architecture. Roles & Responsibilities: MITRE seeks an accomplished, proactive Principal Systems Engineer capable of serving as deputy project ... Incident Management, Problem Management, Change Management, Configuration Management) and ServiceNow software (2) IRS FS Certification Process (3) IRS IT FS… more
    The MITRE Corporation (11/01/25)
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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 team ... position will receive daily tasking and prioritization from their site lead. The selected candidate will be responsible for...location. _This position can be filled at either the Principal Field Service Engineer - Network and… more
    Northrop Grumman (09/17/25)
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  • Principal Satellite Systems Engineer

    System One (Rockville, MD)
    Principal Systems Engineer (Commercial Satellite Industry) On- Site : Rockville, MD Annual Salary Range: The estimated salary range for this role is $170,000 - ... and test planning at multiple architecture levels (RF, electrical, software ). + Experience as an individual contributor (not management)....Technical Expert with a passion for technical details. The principal engineer will thrive as a senior… more
    System One (08/23/25)
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  • Principal /Sr. Principal Systems…

    Northrop Grumman (Dulles, VA)
    … for the role of Ground Segment Systems Engineer for a Ground/Mission Software program. This role requires on- site , in-person support in a secure facility at ... 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 (Onsite)

    RTX Corporation (Fulton, MD)
    …Solipsys is a wholly owned subsidiary of Collins Aerospace/RTX and is currently seeking a Software Engineer with experience in Java to join our team who is ... and international pursuits and programs. We are seeking a Principal Systems Engineer to work in Fulton,...**Qualifications You Must Have** + Experience as a systems engineer on a software development program +… more
    RTX Corporation (10/26/25)
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  • Principal Cyber Engineer

    Nightwing (Sterling, VA)
    …in the intelligence community, defense, civil, and commercial markets. ** Principal Cyber Engineer ** Nightwing provides technically advanced full-spectrum ... challenging, meaningful work that is vital to our national security, apply today! ** Principal Cyber Engineer ** Cyber Offense and Defense Experts (CODEX) is… more
    Nightwing (09/12/25)
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  • Command, Control, Communications, and Battle…

    Chenega Corporation (Fort Belvoir, VA)
    Command, Control, Communications, and Battle Management (C3BM) Principal Systems Engineer Ft. Belvoir, VA Join our Talent Network Command, Control, ... Communications, and Battle Management (C3BM) Principal Systems Engineer Ft. Belvoir, VA Are...BC contractors, and MDS Elements. + Participate in C2BMC software engineering reviews and analyses for developing C2BMC Spiral… more
    Chenega Corporation (09/14/25)
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  • Principal / Sr Principal Vehicle…

    Northrop Grumman (Dulles, VA)
    …processing will be coordinated through program Security. **Basic Qualifications** **:** + ** Principal Engineer ** - Bachelor's degree or higher in Aerospace ... position will support the Space Vehicles throughout I&T, Launch Site Operations, and ideally continue through early phases of...degree and 6 years of applicable experience. + **Sr. Principal Engineer ** - Bachelor's degree or higher… more
    Northrop Grumman (10/31/25)
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  • Principal RF Engineer

    CACI International (Springfield, VA)
    Principal RF Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel ... Continental US * * * CACI is hiring a Principal Electrical Engineer that will Leads project...will be directly Supporting U. S. Army systems on site whenever and wherever deployed. This position requires an… more
    CACI International (10/31/25)
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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 ... want to help. You'll join a diverse team of software , hardware, and network engineers, supply chain specialists, security...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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  • Sr./ Principal DevOps Engineer (TS)…

    Northrop Grumman (Dulles, VA)
    …Experience with AWS, Ansible, GitLab are helpful adjacent technologies **Basic Qualifications** ** Principal DevOps Engineer ** + Bachelor's degree in a STEM field ... with current or active Top-Secret clearance required at time of application **Sr. Principal DevOps Engineer ** + Bachelor's degree in a STEM field (ideally… more
    Northrop Grumman (10/23/25)
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  • Principal Engineer , Amazon…

    Amazon (Arlington, VA)
    …that delight our customers and advance our technology. Key job responsibilities As a Principal Software Engineer , you will: Serve as a technical leader ... Description At Amazon, Principal Engineers are both visionary leaders and hands-on...admit the luxury of a conservative approach. Amazon offers software engineers the opportunity to make an impact in… more
    Amazon (08/15/25)
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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 ... want to help. You'll join a diverse team of software , hardware, and network engineers, supply chain specialists, security...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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  • 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 ... want to help. You'll join a diverse team of software , hardware, and network engineers, supply chain specialists, security...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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  • Sr Principal Engineer Mission…

    Northrop Grumman (Chantilly, VA)
    …that do not meet required standards and specifications **Basic Qualifications Sr Principal Engineer Mission Assurance:** + Bachelor's degree in a related ... 9001 / AS9100 Quality Management System certification process. **Preferred Qualifications Sr Principal Engineer Mission Assurance:** + BS Degree in an… more
    Northrop Grumman (09/30/25)
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