Principal Engineer Jobs in the United States
Cannon Corp
$150000 - $220000
Los Angeles, CA
Responsible for project management, budgeting oversight, mentoring, leading, and managing talented staff, preparing engineering reports and analyses, design and preparation of plans, specifications, and cost estimates for a variety of clients and great projects (residential / commercial and mixed use development) for land development projects in the Inland Empire. Uses technical knowledge to design plans for grading, drainage, water quality (SUSMPs, LIDs, WQMPs and /or SWPPPs), utility, street, off-site improvements, sanitary sewers, and water lines and provide construction assistance / support services.
City of Menifee
$137794.8 - $176821.8
Menifee, CA
Under the leadership of the City Manager, Menifee operates through a dynamic organizational structure composed of fifteen (15) departments - Building & Safety, City Attorney, City Clerk, City Manager, Code Enforcement, Community Development, Community Services, Economic Development, Engineering, Finance, Fire Department, Human Resources, Information Technology, Police, and Public Works, each committed to supporting the city’s mission of responsive governance, sustainable growth, and public safety. This is a key supervisory role responsible for overseeing the planning, design, and delivery of traffic and transportation infrastructure projects including roadway improvements, traffic signals, intersection safety, and mobility enhancements, and overseeing the review of land development project submittals during entitlement and final engineering.
Naval Nuclear Laboratory
$116700 - $182400
Idaho Falls, ID
Bachelors degree from an accredited college or university in a related technical, engineering or science field and a minimum of 9 years of relevant experience; or Masters degree from an accredited college or university in a related technical, engineering or science field and a minimum of 7 years of relevant experience; or Doctorate degree from an accredited college or university in a related technical, engineering, science field and a minimum of 3 years of relevant experience; or Currently a Principal Reactor Training Engineer, Refueling Engineer, or Field (RPCO) Engineer at the Company. Naval Nuclear Laboratory personnel are FMP employees who work at four DOE facilities: Bettis Atomic Power Laboratory, Knolls Atomic Power Laboratory, Kenneth A. Kesselring Site, and Naval Reactors Facility, and at the U.S. Department of Defense-owned Nuclear Power Training Unit-Charleston.
Zillow
$204400 - $326600
Remote, OR
As a Principal Machine Learning Engineer on the Agentic AI team, you will: Leverage frameworks like AgentSDK, and LangChain/LangGraph to design, prototype, and develop multi-agent systems that are capable of highly autonomous and context-aware interactions. Zillow was named one of FORTUNE 100 Best Companies to Work For® in 2025, and included on the PEOPLE Companies That Care® 2025list, reflecting our commitment to creating an innovative, inclusive, and engaging culture where employees are empowered to grow.
Constellation Energy
$118800 - $132000
Gibsonia, PA
We are seeking a skilled and motivated Electrical Engineer with a strong background in high voltage transmission power, substation design, data center primary power infrastructure, on-site power generation and distribution, as well as solar photovoltaic (PV) and battery storage systems. The ideal candidate will be responsible for designing, implementing, and maintaining reliable power solutions that support critical infrastructure and advanced energy systems.
Ecolab Inc.
$101400 - $152100
Garland, TX
To meet customer requirements and comply with local or state regulations, applicants for certain customer-facing roles may need to: - Undergo additional background screens and/or drug/alcohol testing for customer credentialing. A successful candidate will possess deep expertise in industrial automation and electrical systems, a proactive approach to problem-solving, and a strong commitment to continuous improvement in a dynamic, safety-driven environment.
DCS Corporation
Dayton, OH
The DCS Air and Space Technology Sector are seeking a qualified candidate to apply advanced knowledge in the areas of MBSE engineering, computer science, and information technology for the technical design, development, and maintenance of complex programming projects supporting the National Air and Space Intelligence Center (NASIC). Candidates will also contribute to the design and development of AI/ML pipelines that assist analysts in generating, validating, and enhancing model‑based systems engineering (MBSE) products, enabling more efficient model creation, improved data consistency, and accelerated analytic workflows.
Naval Nuclear Laboratory
$117900 - $184300
West Mifflin, PA
Bachelors degree from an accredited college or university in a related technical, engineering or science field and a minimum of 9 years of relevant experience; or Masters degree from an accredited college or university in a related technical, engineering or science field and a minimum of 7 years of relevant experience; or Doctorate degree from an accredited college or university in a related technical, engineering, science field and a minimum of 3 years of relevant experience; or Currently a Principal Reactor Training Engineer, Refueling Engineer, or Field (RPCO) Engineer at the Company. Naval Nuclear Laboratory personnel are FMP employees who work at four DOE facilities: Bettis Atomic Power Laboratory, Knolls Atomic Power Laboratory, Kenneth A. Kesselring Site, and Naval Reactors Facility, and at the U.S. Department of Defense-owned Nuclear Power Training Unit-Charleston.
Manpower Engineering
Milwaukee, WI
ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2023 ManpowerGroup was named one of the World's Most Ethical Companies for the 14th year - all confirming our position as the brand of choice for in-demand talent.
Walt Disney Imagineering
$151900 - $246700
Glendale, CA
Working across a spectrum of disciplines that range from creative and conceptual to scientific and technical, Imagineers blend an innovative mixture of storytelling, art, science, and technology to create immersive experiences, memorable destinations, and innovative entertainment for families around the globe. Walt Disney Imagineering is the creative force that imagines, designs, and brings to life all Disney theme parks, resorts, attractions, and cruise ships worldwide.
Naval Nuclear Laboratory
$105200 - $164400
Niskayuna, NY
Bachelors degree from an accredited college or university in a related technical, engineering or science field and a minimum of 9 years of relevant experience; or Masters degree from an accredited college or university in a related technical, engineering or science field and a minimum of 7 years of relevant experience; or Doctorate degree from an accredited college or university in a related technical, engineering, science field and a minimum of 3 years of relevant experience; or Currently a Principal Reactor Training Engineer, Refueling Engineer, or Field (RPCO) Engineer at the Company. Naval Nuclear Laboratory personnel are FMP employees who work at four DOE facilities: Bettis Atomic Power Laboratory, Knolls Atomic Power Laboratory, Kenneth A. Kesselring Site, and Naval Reactors Facility, and at the U.S. Department of Defense-owned Nuclear Power Training Unit-Charleston.
Leidos
$131300 - $237350
St. Petersburg, FL
The St. Petersburg facility specializes in the design, modeling and simulation, prototyping, integration, and testing of advanced electronic systems, with emphasis on embedded communications, Software Defined Radios (SDR), and Phased Array Antenna Systems supporting defense and select commercial customers. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
Naval Nuclear Laboratory
$106200 - $166000
Idaho Falls, ID
Bachelors degree from an accredited college or university in a related technical, engineering, science or construction field and a minimum of 9 years of relevant experience; or Masters degree from an accredited college or university in a related technical, engineering, science or construction field and a minimum of 7 years of relevant experience; or Doctorate degree from an accredited college or university in a related technical, engineering, science or construction field and a minimum of 3 years of relevant experience; or Currently a Principal Reactor Training Engineer, Refueling Engineer, or Field (RPCO) Engineer at the Company. Naval Nuclear Laboratory personnel are FMP employees who work at four DOE facilities: Bettis Atomic Power Laboratory, Knolls Atomic Power Laboratory, Kenneth A. Kesselring Site, and Naval Reactors Facility, and at the U.S. Department of Defense-owned Nuclear Power Training Unit-Charleston.
PEAK Technical Staffing
$78 - $100
Houston, TX
Produce process automation deliverables such as control narratives, cause and effect drawings, Boolean logic diagrams, DCS/SIS/PLC functional specifications, system cabinet layout drawings, wiring diagrams, and system card layout and loading. Coordinate interfaces with engineering partners, construction contractors, equipment manufacturers, system integrators, and project management as well as technical disciplines including process, civil, structural, piping, mechanical, and electrical.
Naval Nuclear Laboratory
$106200 - $166000
Niskayuna, NY
Bachelors degree from an accredited college or university in a related technical, engineering or science field and a minimum of 9 years of relevant experience; or Masters degree from an accredited college or university in a related technical, engineering or science field and a minimum of 7 years of relevant experience; or Doctorate degree from an accredited college or university in a related technical, engineering, science field and a minimum of 3 years of relevant experience; or Currently a Principal Reactor Training Engineer, Refueling Engineer, or Field (RPCO) Engineer at the Company. Naval Nuclear Laboratory personnel are FMP employees who work at four DOE facilities: Bettis Atomic Power Laboratory, Knolls Atomic Power Laboratory, Kenneth A. Kesselring Site, and Naval Reactors Facility, and at the U.S. Department of Defense-owned Nuclear Power Training Unit-Charleston.
CSL Behring
Waltham, MA
We use three strategic scientific platforms of plasma fractionation, recombinant protein technology, and cell and gene therapy to support continued innovation and continually refine ways in which products can address unmet medical needs and help patients lead full lives. Focused on serving patients’ needs by using the latest technologies, we discover, develop and deliver innovative therapies for people living with conditions in the immunology, hematology, cardiovascular and metabolic, respiratory, and transplant therapeutic areas.
Hillis-Carnes
Pittsburgh, PA
Duties may include but are not limited to; general geotechnical engineering practice including the preparation of geotechnical reports/calculation, technical support of field staff, review of construction inspection daily field reports, and occasional project site field visits related to the projects you are involved in. Candidate will work with our geotechnical and materials testing/inspections departments and be responsible for a wide variety of projects for public and private sector clients.
PEAK Technical Staffing
Monrovia, CA
We are seeking a Principal Automation Engineer to serve as the senior technical authority for software architecture, advanced controls, machine vision, AI/ML systems, and high-reliability industrial automation platforms. Candidate Privacy To read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate to https://peaktechnical.com/privacy-policy/and https://peaktechnical.com/ca-residents-privacy-rights/
HCL Global System INC
Merrimack, NH
Excellent communication skills & the ability to work with Squad lead and Scrum master to help refine the work backlog and assign work to squad members - should be able to lead client demos. · 2+ years hands-on experience in working with Cloud technologies (Microsoft Azure preferred) - features like Azure ASB, Azure functions, Azure Gateway, File Storage etc.
Jobot
$150000 - $200000
Stafford, TX
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our clients goal is to provide the state-of-the-art drilling and measurement downhole tools to enable efficient hydrocarbons exploration and production anywhere in the world.
Aminov Search Partners
$1
Indianapolis, IN
Our client, a leader in delivering top-tier products globally, is seeking a dynamic professional to partner with R&D and Operations teams to propel innovation and streamline processes from development to market readiness. The role encompasses meticulous evaluation of processes to mitigate bottlenecks and inefficiencies while enhancing cost-effectiveness and quality assurance.
Southwest Research Institute
San Antonio, TX
Work with stakeholders to allocate functions to components/systems and develop those allocations into requirements for the engineers, designers, and managers to design, develop, integrate and test. Systems, Hardware Development, Firmware, software, Integration, Testing, Bid and Proposal efforts, CONOPS, Qualification, Certification, System Safety, FMEA, Lab activities, etc).
Walt Disney Imagineering
$188400 - $252600
Glendale, CA
Working across a spectrum of disciplines that range from creative and conceptual to scientific and technical, Imagineers blend an innovative mixture of storytelling, art, science, and technology to create immersive experiences, memorable destinations, and innovative entertainment for families around the globe. The role of Ride Control Software Engineer Principal (Design Assurance) focuses on design, analysis, system safety, and verification across multiple projects, supporting project teams in critical engineering quality activities.
Jobot
$150000 - $190000
Camarillo, CA
SUMMARY: As our Principal RF Engineer you will lead as a project engineer for RF products including Oscillators, Central Power Supply Units (CPSUs), Frequency Converters, and Amplifiers for our commercial space customers. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
Jobot
$150000 - $200000
Anaheim, CA
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Employee development is a core priority, ensuring our clients are supported by skilled project managers who understand every aspect of a project’s technical needs, schedule, budget, and quality.
JABIL CIRCUIT, INC
Richardson, TX
The SMT Principal Engineer I at Jabil, Inc. is a senior technical contributor responsible for leading advanced surface mount technology (SMT) process development, optimization, and continuous improvement initiatives across multiple manufacturing lines to ensure high-quality and efficient production of complex electronic assemblies. Demonstrated expertise in SMT equipment operation, programming, and maintenance, including printers, pick-and-place machines (e.g., Fuji, Programming, etc.), reflow ovens, and inspection systems (AOI, SPI, X-ray).
Corning Inc
Charlotte, NC
Architect, design, develop, & deploy resilient/auto recovery capable data engineering pipelines; utilize various data sources & engineer consumption ready data set to serve data scientists & process engineers; develop solutions that align with FAIR data principles; collaborate on strategic roadmaps for data engineering & big data analytics; work w/ peers to obtain buy in & leverage best practices; support discovery, manufacturing data literacy, & documentation of new manufacturing initiatives. infrastructure as code (IaaC) to support cluster spinoffs & set up services to aid data processing/machine learning; & using tools & technologies for Workflow Orchestraion & Data Visualization (i.e. Databricks, Python, PowerBI, Tableau, Airflow).
OneMain Financial
$130000 - $156000
Baltimore, MD
Along with security platform mastery in more than one platform area (IDS/IPS, firewall/WAF, access and identity, malware defense, threat modeling, exposure management, among others), the Principal Cybersecurity Engineer is formally trained in enterprise IT design and architecture practices. The Principal Cybersecurity Engineer has a demonstrated mastery in multiple security and non-security technology platforms, with the ability to both lead and advise on the overall designs and strategies of both security and non-security technologies.
PEAK Technical Staffing
Minneapolis, MN
Oversee and participate in design documentation, schematic design, electrical panel design, PLC and HMI programming, implementation of Ethernet and other industrial LAN networks, field installation and project commissioning. You will be a vital contributor and leader in all phases of our projects, including planning, design, programming, purchasing, integration, testing, training, and commissioning of electrical control systems.
Walt Disney Imagineering
$139200 - $186600
Glendale, CA
Working across a spectrum of disciplines that range from creative and conceptual to scientific and technical, Imagineers blend an innovative mixture of storytelling, art, science, and technology to create immersive experiences, memorable destinations, and innovative entertainment for families around the globe. Walt Disney Imagineering is the creative force that imagines, designs, and brings to life all Disney theme parks, resorts, attractions, and cruise ships worldwide.
PEAK Technical Staffing
Horsham, PA
The ideal candidate will bring a wealth of knowledge and practical experience gained through a distinguished career at either a leading defense contractor, the Department of Defense, or a highly accredited research institution/university. Technical Expertise:Provide technical leadership and act as the organization's SME in composites, mechanics of materials, engineering design, and structural analysis, inclusive of Finite Element methods.
AMI US Holdings, Inc.
Duluth, GA
Exp must have been progressive & have included UEFI firmware development; C, C++, Python design & coding skills; UEFI & PI specifications & concepts; PC/Server architecture/Platforms; developing & debugging UEFI firmware for platform subsystems such as CPU, PCIe, CXL, Memory, CPU, ACPI, IPMI/Redfish, RAS, Security, SMM/MM; Intel TXT, Boot Guard, Intel PFR; debuggers for problem solving. F/T Principal Engineer to develop system BIOS, firmware & drivers for processors/microcontrollers, work w/ system & software architects on feature definitions, requirements and behavior specifications, debug systemic issues, hardware, & software problems, identify the root cause of reported issues & provide workarounds & solutions.
Jobot
$103000 - $160000
Riverside, CA
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. As a Principal Project Engineer/Manager in our Riverside, CA office, you will have the opportunity to work with a multi-disciplinary team on meaningful, landmark projects that shape the communities we serve.
Naval Nuclear Laboratory
$105200 - $164400
Niskayuna, NY
Bachelors degree from an accredited college or university in a related technical, engineering or science field and a minimum of 9 years of relevant experience; or Masters degree from an accredited college or university in a related technical, engineering or science field and a minimum of 7 years of relevant experience; or Doctorate degree from an accredited college or university in a related technical, engineering or science field and a minimum of 3 years of relevant experience; or Currently a Principal Reactor Training Engineer, Refueling Engineer, or Field (RPCO) Engineer at the Company. Naval Nuclear Laboratory personnel are FMP employees who work at four DOE facilities: Bettis Atomic Power Laboratory, Knolls Atomic Power Laboratory, Kenneth A. Kesselring Site, and Naval Reactors Facility, and at the U.S. Department of Defense-owned Nuclear Power Training Unit-Charleston.
Metrolink
$119239 - $184822
Pomona, CA
Stations are typically designed, constructed, modified, and maintained by other entities besides SCRRA. Receives general oversight from the director or executive-level roles.
DivIHN Integration Inc
$72 - $77
Plymouth, MN
This role influences technical direction without direct authority, partnering closely with Software Engineering, Systems Engineering, Quality, and Regulatory to ensure robust and compliant product development. The Principal Software Test Engineer functions as a technical authority in software verification, guiding cross functional teams in risk-based testing approaches and advanced test automation.
Jobot
$160000 - $200000
Philadelphia, PA
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
Jobot
$175000 - $200000
El Segundo, CA
You will play a pivotal role in shaping software strategy across spacecraft platforms including LEO, MEO, GEO, and responsive space architectures, working closely with systems, avionics, GNC, mission operations, and cybersecurity teams. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
CEI Group
Burlington, MA
We’re seeking a Principal Data Engineer to lead the architecture and evolution of our enterprise Business Intelligence data platform — enabling trusted, scalable, and AI-ready intelligence across the organization. As both a hands-on architect and strategic thought partner, you’ll design the systems that move our business from manual reporting to true intelligence-driven execution.
DCS Corporation
$120506 - $145000
Bedford, MA
Command, Control, Communications, and Battle Management (C3BM) has been tasked with delivering an integrated Department of the Air Force (DAF) Battle Network providing resilient decision advantage and enabling the USAF, USSF, Joint, and Coalition Force to win against the pacing challenge. C3BM’s main efforts are Architecture and Systems Engineering (ASE), Operational Response Team (ORT), and multiple mission integration teams such as Air, Maritime and multiple acquisitions consisting of both the Advanced Battle Management System (ABMS) and Space.
CSL Behring
Waltham, MA
The Testing & Verification Team is involved in device development projects from early stage and is responsible for developing robust methods that can support product development, design verification, and commercial production Quality Control testing and executing testing. The Principal Engineer, Tech Ops (Drug Delivery Systems Testing & Verification) plays an important role in the medical device and primary packaging development process to deliver specialized testing results from exploratory characterization to design verification results to support regulatory submission packages.
Naval Nuclear Laboratory
$105200 - $164400
Niskayuna, NY
Bachelors degree from an accredited college or university in a related technical, engineering or science field and a minimum of 9 years of relevant experience; or Masters degree from an accredited college or university in a related technical, engineering or science field and a minimum of 7 years of relevant experience; or Doctorate degree from an accredited college or university in a related technical, engineering or science field and a minimum of 3 years of relevant experience; or Currently an Principal Reactor Training Engineer, Refueling Engineer, or Field (RPCO) Engineer at the Company. Naval Nuclear Laboratory personnel are FMP employees who work at four DOE facilities: Bettis Atomic Power Laboratory, Knolls Atomic Power Laboratory, Kenneth A. Kesselring Site, and Naval Reactors Facility, and at the U.S. Department of Defense-owned Nuclear Power Training Unit-Charleston.
Tailored Management
Santa Clara, CA
RequirementsYou have a PhD in Mechanical Engineering, Bioengineering, or a related discipline with at least 3 years of relevant industry experience; or a Masters degree in Mechanical Engineering, Bioengineering, or a related discipline with at least 4 years of relevant industry experience; or a Bachelors degree in Mechanical Engineering, Bioengineering, or a related discipline with at least 7 years+ of relevant industry experience. You have excellent organizational skills, including the ability to efficiently evaluate, prioritize and handle multiple changing projects and priorities; you complete work in a timely, accurate and thorough manner.
Connexion Systems and Engineering, Inc.
Weymouth, MA
A growing engineering and manufacturing organization in Weymouth, MA is seeking a Principal Electronic & Software Engineer to lead the design and development of innovative electronic products and embedded systems. This is a rare opportunity to join a stable and respected engineering organization in a principal-level role, with influence over product design, embedded systems development, and manufacturing implementation.
ECLARO
Aurora, CO
Deep, hands-on practical expertise in: Microsoft 365, Active Directory (design, replication, trusts, GPOs), DNS and identity services, Windows Server, VMware, Enterprise storage concepts and platforms. This role is designed for a seasoned individual contributor who can quickly assess complex environments, architect practical solutions, and resolve high-impact issues with minimal ramp-up.
Naval Nuclear Laboratory
$116700 - $182400
West Milton, NY
The Training Applications and Support (TAS) organization, part of the Naval Training & Simulation (NTS) Department, provides applications used by personnel at the Moored Training Ships (MTS) and Kesselring Site (KS) to manage activities for the Naval Nuclear Propulsion Training Program (NNPTP) Prototype phase of training. Naval Nuclear Laboratory personnel are FMP employees who work at four DOE facilities: Bettis Atomic Power Laboratory, Knolls Atomic Power Laboratory, Kenneth A. Kesselring Site, and Naval Reactors Facility, and at the U.S. Department of Defense-owned Nuclear Power Training Unit-Charleston.
CEI Group
Burlington, MA
You’ll partner across Data Engineering, Product, GTM, and Operations to ensure that insights are accurate, accessible, and actionable — advancing our move toward AI-enabled decision workflows and embedded intelligence across the business. You’ll lead the design and delivery of trusted, executive-level insights that drive faster, smarter decisions — from the boardroom to the front line.
Constellation Energy
$152100 - $169000
Byron, IL
Understands interrelations and functions of various organizations (e.g., Nuclear Regulatory Commission (NRC), Institute of Nuclear Power Operators (INPO), Nuclear Energy Institute (NEI), etc.) related to nuclear power. Provide in-depth regulatory/technical expertise to develop, manage and implement regulatory activities related to plant safety, reliability, maintainability, and availability ensuring compliance to customer's needs, regulatory requirements, and corporate policies.