Principal Engineer /Architect Full Stack BOLDPrincipal Engineer /Architect Full StackIrvine, CA$145,000–$155,000 / yearContractorFull timeBuild proofs of concept and contribute production-grade code. Lead large-scale platform modernization initiatives.
NewPrincipal Project Engineer - Riverside JobotPrincipal Project Engineer - RiversideRiverside, CA$103,000–$160,000 / yearInformation 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. If interested, apply directly, and also feel free to email your latest resume and your desired base salary requirements to https://jobot.com/apply/principal-project-engineer-riverside/122951487?utm_source=Monster.
NewPrincipal Digital Design Engineer GreenWave Radios™Principal Digital Design EngineerIrvine, CA$190,000–$225,000 / yearOur cutting-edge solutions, powered by the Hermes64 RF SoC, are designed to enhance network energy efficiency while dramatically reducing operational expenses, with purpose-built silicon that is the heart of ORAN-based active antenna arrays. You'll own everything from architecture through production—defining features, authoring device specifications, and driving the design flow for high-performance programmable logic with embedded Linux-based wireless communications software.
NewPrincipal Engineer veritonePrincipal EngineerSanta Ana, CA$200,000–$230,000 / yearPartner with engineering, product, and executive leadership to solve complex technical challenges, mentor development teams, and establish engineering best practices that support innovation and long-term business growth. The Principal Engineer will provide technical leadership and architectural direction for the company's AI-powered SaaS platform, driving the design and delivery of scalable, secure, and high-performing software solutions.
NewPrincipal Structural Engineer JobotPrincipal Structural EngineerOrange, CA$156,000–$220,000 / yearInformation 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. The firm provides innovative solutions across diverse markets, supporting technically complex projects that require regulatory rigor, cost control, schedule discipline, and creative structural design.
NewPrincipal Engineer (Civil, Wastewater, & Environmental) JobotPrincipal Engineer (Civil, Wastewater, & Environmental)Anaheim, CA$150,000–$200,000 / yearInformation 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.
NewPrincipal Forensic Structural Engineer JobotPrincipal Forensic Structural EngineerOrange, CA$156,000–$220,000 / yearInformation 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. The firm provides innovative solutions across diverse markets, supporting technically complex projects that require regulatory rigor, cost control, schedule discipline, and creative structural design.
NewPrincipal Subcontracts L3Harris TechnologiesPrincipal SubcontractsAnaheim, CA$133,000–$247,000 / yearLead development and execution of comprehensive supply chain strategies across the full program lifecycle; coordinate supplier strategy development with Category Management and communicate program changes to executive leadership. Manager, Supply Chain Program Management for the Maritime Acoustic & Imaging Systems (A&IS) Supply Chain Team will serve as a senior contributor and leader supporting primarily the Acoustics Systems area.
NewPrincipal Data Platform Engineer Ventura FoodsPrincipal Data Platform EngineerTustin, CA$150,000–$185,000 / yearSee Ventura Foods Terms & Conditions at https://www.venturafoods.com/terms-of-use/ and Privacy Policy at https://www.venturafoods.com/privacy-policy/ and SonicJobs Privacy Policy at https://www.sonicjobs.com/us/privacy-policy and Terms of Use at https://www.sonicjobs.com/us/terms-conditions. Ventura Foods reserves the right to pay outside of the given range based on a variety of factors including but not limited to: candidate skills and experience, complexity of the job, budgetary factors, and location/geography.
NewCivil Senior Principal Engineer in Land Development Cannon CorpCivil Senior Principal Engineer in Land DevelopmentIrvine, CA$150,000–$220,000 / yearThis role is 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. 5+ years demonstrated experience supervising and successfully managing projects within the constraints of scope, schedule, budget, and performance requirements, providing technical oversight for projects and all related project phases and tasks, to include quality assurance reviews.
NewCivil Senior Principal Engineer in Water Resources Cannon CorpCivil Senior Principal Engineer in Water ResourcesIrvine, CA$150,000–$220,000 / yearReporting to the Director of Water Resources, this role will conduct and drive business development efforts with Orange County agencies and clients; oversee and manage a diverse portfolio of wastewater, water treatment, and other water resource projects; mentor engineers; and provide excellent client service and delivery. PROJECTS INCLUDE Wastewater Treatment Facilities, Collection Facilities, Water Distribution Systems, Water Treatment Plants, Storm Drainage Collection Systems and Facilities, Water Main Replacements, Potable Water Pump Stations and Reservoirs.
NewPrincipal Opto-Mechanical Design Engineer Attalon, Inc.Principal Opto-Mechanical Design EngineerTustin, CA$141,091–$193,999 / yearCreate highly complex designs, collaborate with cross‑functional partners to ensure optimal system performance, and deliver fast, efficient opto‑mechanical concepts using 3D solid‑modeling tools aligned with customer requirements. Attalon develops and produces mission‑critical optical systems, precision coatings, and advanced laser subsystems used in ISR&T, space, missile, and directed‑energy applications.
NewPrincipal Electrical Engineer ActalentPrincipal Electrical EngineerIrvine, CA$65–$80 / hourWe are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service. If you're passionate about engineering excellence, continuous improvement, and working alongside talented professionals committed to meaningful innovation, we'd love to hear from you.
NewStructural Engineer | Associate/Associate Principal Degenkolb EngineersStructural Engineer | Associate/Associate PrincipalAnaheim, CA$153,000–$188,000 / yearPerform and review complex structural calculations and analysis for new building design to California building codes based on advanced theoretical knowledge of civil and structural engineering principles and concepts. You will benefit from focused professional development within a supportive and transparent team environment, as well as opportunities for committee participation and leadership, variety in work assignments, and a pay scale set at the 75th market percentile.
NewPrincipal Survey Analyst RICKPrincipal Survey AnalystRiverside, CAYou will be a part of mapping out the physical environment through data collection tasks from equipment & technology such as: GPS, robotic total stations, UAV/UAS, 3D laser scanners, LiDAR, photogrammetry and 360 ̊ cameras; creating data sets such as aerial photography, orthophotography, contours, topography, and surfaces. Experience working with municipal agencies for research and map processing purposes in California counties including interaction with public records, GIS teams, GIS datasets and GIS web applications.
NewPrincipal Software Engineer (C#/SQL/Azure) loanDepotPrincipal Software Engineer (C#/SQL/Azure)Tustin, CA$170,000–$233,000 / yearAs a fast-growing national consumer lender, the loanDepot platform is disrupting finance by dissolving the lines between mortgage and nonmortgage credit.\r\n\r\nThe company has funded over $100 billion in loans since inception, and is passionate about emerging financial technology and dynamic product delivery supported by excellent customer service to empower consumers.\r\n\r\nHeadquartered in Southern California, loanDepot employs 5,400+ lending professionals across the country including 1,700+ licensed loan officers who hold 10,000+ licenses. Today, as the nation's second largest non-bank retail mortgage lender, loanDepot enables customers to achieve the American dream of homeownership through a broad suite of lending and real estate services that simplify one of life's most complex transactions.
NewPrincipal Network Engineer VAYLENTPrincipal Network EngineerSanta Fe Springs, CARemediate site connectivity problems — assess current-state connectivity, resolve reliability issues, and evaluate options (including any satellite/Starlink proposal) against ITAR/CUI data-handling requirements before adoption. Success requires a high sense of urgency, attention to detail, proactive problem-solving, and the ability to coordinate effectively across multiple departments to ensure uninterrupted manufacturing operations and customer delivery commitments.
NewPrincipal I&C Designer Hazen and SawyerPrincipal I&C DesignerIrvine, CACandidate will develop I&C system designs for the water and wastewater industry with the potential for Human Machine Interface and Programmable Logic Controller programming/ configuration work. Proficient in AutoCAD design tools for drafting of I&C drawings including: P&IDs, control system architecture drawings, panel layouts and elevations, and wiring diagrams.
NewSr. Principal Optical Design Engineer Attalon, Inc.Sr. Principal Optical Design EngineerTustin, CA$117,645–$211,830 / yearThe Optical Engineer's function is to plan, design, analyze, communicate, and execute the optical design for high performance optical assemblies, and to determine the following: (1) compliant preliminary and final optical designs, (2) optical sensitivity and tolerance analysis in coordination with mechanical and integration & test engineering, (3) document optical prescription and optical layout, (4) support fabrication, assembly, integration and test for 100% on-time delivery, (5) investigate, identify, and resolve engineering problems involved in the manufacturing of Coherent Aerospace and Defense products to provide a smooth transition into routine production. Key experience, knowledge, or specialization that will enhance effectiveness in this position includes: • Resource for information about optical sensors and optical sensor technology, including the design and modeling of ultraviolet, visual and infrared waveband systems, optically passive athermal sensors, illuminations and projection systems using coherent and incoherent sources.
NewPrincipal Project Engineer RICK ENGINEERING COMPANYPrincipal Project EngineerRiverside, CATechnical experience will include the following: Ability to perform conceptual and preliminary engineering design studies (incorporating land use and zoning considerations, assessment and consideration of site constraints, infrastructure requirements, and potential regulatory issues). Qualified candidate will have a BSCE degree, CA Registration as a Professional Civil Engineer, (or ability to obtain in next 6 months), plus a minimum of eight (6-12) years relevant experience; or the equivalent work experience of twelve (8-15) years in this industry.