Average salary: $175,386 /yearly

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  • Principal Systems Engineer, RF Communications & Sensing

     ...Principal Systems Engineer (Technical SME) Parallel Wireless is reimagining mobile networks with innovative, energy-efficient Open RAN solutions. Join us as we lead the future of telecommunications, driving innovation through green and sustainable networks. Learn more... 
    Suggested
    Worldwide

    Parallel Wireless

    Washington DC
    1 day ago

  • Principal Systems Engineer

     ...System Engineer SilverEdge is a premier provider of innovative cyber, software and intelligence solutions addressing everyday challenges to meet mission goals across the DOD and Intel Communities and beyond. We are seeking a system engineer to provide technical and... 
    Suggested

    SilverEdge Government Solutions

    Suitland, MD
    1 day ago

  • Principal Ocean Systems Engineer Communications

     ...Principal Ocean Systems Engineer We are looking for a highly motivated Principal Ocean Systems Engineer to join our Groton (CT), Concord (MA), or Arlington (VA) teams. Successful candidates will have a BS/MS/PhD degree in electrical, ocean, or mechanical engineering... 
    Suggested
    Full time
    Immediate start

    MRINetwork

    Arlington, VA
    6 days ago

  • Principal Systems Engineer

    $150k - $200k

     ...Principal Data Center Capacity Planner Fleet Data Centers designs, builds and operates mega-scale data center campuses. Fleet provides...  ...demand. Fleet is well positioned to bring in-house design, engineering and operational capabilities to collaborate with customers on... 
    Suggested
    Flexible hours

    Fleet Data Centers

    Arlington, VA
    2 days ago

  • Principal Systems Engineer (RF Systems)

     ..., enhancing maritime domain awareness for those who need it most. Job Description: Quartermaster AI is seeking a Principal Systems Engineer to own the end-to-end technical architecture of our rapidly growing RF capability - from antenna through edge processing... 
    Suggested
    For subcontractor

    Quartermaster AI Inc

    Arlington, VA
    4 days ago

  • Principal Sales Engineer, Armory (Technical Services)

    $220k - $292k

     ...realistic demonstrations of our capabilities. REQUIRED QUALIFICATIONS ~7+ years of experience in product management, product engineering, applications engineering, mission operations and similar roles. ~ Proven record of program execution or product campaigns for... 
    Suggested
    Full time
    Work experience placement
    Immediate start

    Anduril Industries

    Washington DC
    1 day ago

  • Principal Elasticsearch Systems Engineer

    $131.3k - $237.35k

     ...Description Leidos has an exciting opportunity for a Principal Elasticsearch Systems Engineer in our Intel Security Sector's Analysis Solutions Business Area . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO),... 
    Suggested
    Work experience placement
    Local area
    Immediate start
    Flexible hours

    Leidos

    Bethesda, MD
    4 days ago

  • Principal QA Engineer - Design and Technical Review

     ...Principal QA Engineer We are seeking an experienced Principal QA Engineer to support Capital Delivery Projects by providing quality assurance, technical design reviews, and constructive feedback on digital twin (DT) design elements. This role focuses on the review of... 
    Suggested

    Samprasoft

    Washington DC
    2 days ago

  • Principal Model-Based Systems Engineer

    $206k - $284k

     ...Principal Model-Based Systems Engineer STR is hiring a Principal Model-Based Systems Engineer (MBSE) in our Woburn, MA office (other locations: Dayton, OH & Arlington, VA) to work across a broad portfolio of DoD mission areas. The Systems Engineer should have experience... 
    Suggested
    Full time
    Work experience placement
    Work at office
    Local area
    Night shift

    Science & Technology Research (STR)

    Arlington, VA
    1 day ago

  • Principal / Sr. Principal Cyber Systems Engineer

    $125.3k - $187.9k

     ...Principal / Sr. Principal Cyber Systems Engineer At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has... 
    Suggested
    Shift work

    Northrop Grumman

    Alexandria, VA
    1 day ago

  • Principal Systems Analyst / Engineer - Onsite (Washington, DC)

     ...Principal Systems Analyst / Engineer Location: Washington, DC Position Type: Contract (05-26-2026 to 04-30-2027) Rate: DOE Key Responsibilities System Lifecycle & Documentation: Lead the creation of Project Life Cycle Management (PLM) artifacts, including... 
    Suggested
    Contract work
    Work experience placement
    Work at office

    Georgia IT Inc

    Washington DC
    1 day ago

  • Principal Information Security Systems Engineer - Remote Opportunity

     ...readiness of America’s Navy ships, aircraft and expeditionary forces – Serco has a great opportunity for you! This Principal Information Security Systems Engineer (ISSE) will be working with a dynamic team supporting applications on the Defense Information System Agency (... 
    Suggested
    Contract work
    For contractors
    Local area
    Immediate start
    Remote work
    Flexible hours

    Serco

    Washington DC
    4 days ago

  • Principal Cyber Defense Engineer

    $126.3k - $243.1k

     ...lasting change that moves missions and the government forward! Overview : AFS is seeking a highly skilled and hands-on Principal Cyber Defense Engineer to join our team. This role will focus on leading technical efforts in cybersecurity, working closely with federal law... 
    Suggested
    Live in
    Work at office
    Local area

    Accenture

    Washington DC
    9 hours ago

  • Principal Cybersecurity Engineer

     ...values critical thinking, collaboration, and ownership. POSITION OVERVIEW Blackrock Strategy, Inc. is seeking a Principal Cybersecurity Engineer to provide senior-level technical leadership supporting cyberspace test, evaluation, and capability development... 
    Suggested
    Contract work
    For contractors
    Local area

    BLACKROCK STRATEGY INC

    Washington DC
    21 days ago

  • Principal Engineer, Survivability (R4608)

     ...aircraft ever deployed. As we push the boundaries of what’s possible in contested environments, we are looking for a Survivability Engineer to shape and optimize the low observable (LO) performance of our next-generation autonomous aircraft. This role is ideal for an... 
    Suggested
    Full time
    Temporary work
    Part time
    Worldwide

    Shield AI

    Washington DC
    a month ago

  • Principal Engineer, State Estimation (R4602)

     ...Follow Shield AI on LinkedIn, X, Instagram, and YouTube.  Job Description: We are looking for an experienced state estimation engineer to design, develop, and support the deployment of safety-critical navigation solutions for aerospace platforms. This role requires... 
    Full time
    Temporary work
    Part time
    Worldwide

    Shield AI

    Washington DC
    16 days ago

  • Principal Engineer w/Top Secret Clearance

    $160k - $200k

     ...responsibilities and activities may change at any time with or without notice Responsibilities We are seeking a Principal Systems Engineer to join our team supporting the FBI REQUIRED QUALIFICATIONS : Experience Experience with software development... 
    Full time
    Contract work
    Temporary work
    Work at office
    Local area
    Monday to Friday
    Weekend work
    Day shift
    Afternoon shift

    TekSynap

    Washington DC
    20 days ago

  • Principal Cybersecurity Systems Engineer

    $154.05k - $278.48k

     ...position supporting a complex, mission-critical Program? Well, look no further! Leidos is currently looking to add a Sr. Systems Engineer to an Information Assurance Program near Ft. Meade, MD. The successful candidate will participate in the development/evaluation of... 
    Local area
    Immediate start

    Leidos

    Bethesda, MD
    3 days ago

  • Principal Security Engineer | Zscaler SME

    $160k - $210k

     ...Principal Security Engineer UltraViolet Cyber is a leading platform-enabled unified security operations company providing a comprehensive suite of security operations solutions. Founded and operated by security practitioners with decades of experience, the UltraViolet... 
    Temporary work
    3 days per week
    1 day per week

    UltraViolet Cyber

    Arlington, VA
    1 day ago

  • Principal Welding Engineer

     ...Are you a highly experienced Principal Welding Engineer with a strong background in robotic welding and manufacturing automation? Would you be interested in joining Genie, a global OEM, to help advance large scale automation and modernize production across multiple sites... 

    Round-Peg Solutions (RPS)

    Washington DC
    9 hours ago

  • Principal Engineer

    $124.1k - $175.2k

    Kenvue is currently recruiting for a: Principal Engineer What we do At Kenvue, we realize the extraordinary power of everyday care. Built on over a century of heritage and rooted in science, we’re the house of iconic brands - including NEUTROGENA®, AVEENO®, TYLENOL®,... 
    Temporary work
    For contractors
    Work at office

    Stryker Corporation

    Arlington, VA
    1 day ago

  • Principal Engineer

    # **Our Privacy Statement & Cookie Policy**Principal Engineer page is loaded## Principal Engineerremote type: Hybridlocations: United States of America, Washington, District of Columbiatime type: Full timeposted on: Posted 9 Days Agojob requisition id: JREQ199519**Principal... 
    Work at office
    Local area
    Flexible hours
    2 days per week
    3 days per week

    Refinitiv

    Washington DC
    4 days ago

  • Principal Engineer: AI, Architecture & Tech Leadership

    A global data and analytics company in Washington, DC, is seeking a Principal Engineer to lead technical initiatives and mentor software engineers. The ideal candidate has over 10 years of experience in software engineering and a strong foundation in AI technologies. Responsibilities... 

    Refinitiv

    Washington DC
    3 days ago

  • Principal Resiliency Engineer: Scale & Reliability

    $230k - $281k

    CloudFlare is looking for skilled engineers to join their Resiliency Engineering Team in Washington, D.C. This role involves building and managing the internal Control Plane for their services, ensuring robust and effective management of a globally distributed system. Ideal... 

    CloudFlare

    Washington DC
    9 hours ago

  • Principal Engineer - AI Architecture & Tech Leadership

    A leading global technology firm in Washington, DC is seeking a Principal Engineer to provide technical leadership, mentor engineers, and identify AI innovation opportunities. The ideal candidate has over 10 years of experience in scalable web-based products and a strong... 

    Refinitiv

    Washington DC
    4 days ago

  • Principal Engineer

    $210k - $314k

     ...Job Description and Requirements What We Do At Relativity, engineers don't just write code -they shape how industries uncover critical...  ...is at the heart of that transformation. We are looking for a Principal Engineer to help define and build our next generation of cloud... 
    Remote work
    Home office
    Flexible hours

    DiversityJobs

    Washington DC
    4 days ago

  • Principal Network Systems Engineer

     ...Senior Technical Consultant (Principal Network Systems Engineer) Saliense is a growing Management and Technology Consulting Solutions provider based out of Mclean, VA. We work to solve our client's toughest challenges within the Defense, Civilian, Financial, and Healthcare... 
    Work at office
    Local area
    Immediate start
    3 days per week

    Saliense Consulting LLC

    Arlington, VA
    9 hours ago

  • Principal Mechanical Integration Engineer - DCI Pipes, Frames and Structures (REMOTE)

     ...Job Title : Principal Mechanical Design Engineer Job Family : Mechanical Design Engineering Organization : Data Center Infrastructure Team Location : Remote* OR Austin, TX *Requires up to 20% domestic and/or international travel (rare) How will... 
    Contract work
    Remote work

    JABIL CIRCUIT, INC

    Washington DC
    1 hour agonew

  • Principal Endpoint Security Systems Engineer

    $126.1k - $227.95k

    Leidos has a new and exciting opportunity a Principal Endpoint Security Systems Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA) . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission... 
    Immediate start
    Flexible hours

    Via Logic LLC

    Bethesda, MD
    2 days ago

  • Senior Principal Architect Engineer, Power Generation

    $160k - $200k

     ...campuses called Tract, and the mega-campus vertical development strategy called Fleet Data Centers. Tract Capital's Principal Power Generation Architect Engineer is the technical authority for behind-the-meter (BTM) on-site power generation solutions deployed across mega-... 
    Work at office
    Flexible hours

    Tract Capital Management, LP

    Alexandria, VA
    9 hours ago