NewPrincipal Hardware Signal Integrity / Power Integrity Architect SiTime CorporationPrincipal Hardware Signal Integrity / Power Integrity ArchitectSanta Clara, CA$148,320–$203,940 / yearThe Principal Hardware Signal Integrity/Power Integrity Architect is accountable for system-level electrical design and for establishing signal and power integrity simulation methodologies that underpin the development of hardware platforms used for validation, testing, and high-volume production of MEMS timing products. Establish comprehensive methodologies for both signal and power integrity across a variety of hardware platforms, including validation environments, probing stations, load boards, and production test systems.
NewPrincipal Solutions Manager VisaPrincipal Solutions ManagerSan Francisco, CA$146,200–$233,700 / yearThe Principal Solutions Manager will help drive workstreams within key strategic initiatives (e.g., product roadmap development, voice-of-customer insights, data-driven client segmentation, and solution proposals for client opportunities) and help ensure the North America VAS leadership team has the data and insights needed to meet its growth imperatives. The Principal Solutions Manager will support the Senior Director of NA Issuing Solutions across a range of product strategy, solutioning, commercialization, and planning activities, with a particular emphasis on our Data Products (e.g., Visa Analytics Platform) and solution strategy across VAS in North America.
Principal Administrative Business Partner CYNET SYSTEMSPrincipal Administrative Business PartnerSouth San Francisco, CA$103–$108 / hourTemporaryContractorPart timeAs a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
NewPrincipal Supplier Quality Engineer THINK Surgical, Inc.Principal Supplier Quality EngineerFremont, CAPartner cross-functionally with Engineering, Operations, Manufacturing, Supply Chain, Regulatory Affairs, and externals suppliers to ensure supplier quality requirements are effectively defined, implemented, maintained, and in compliance with FDA Quality Management System Regulation (21 CFR Part 820/QMSR), ISO 13485, ISO 14971, and other applicable regulatory requirements. The Principal Supplier Quality Engineer leads complex supplier quality initiatives, drives supplier quality strategy, mentors quality professionals, and provides leadership in resolving high-risk supplier quality issues.
NewAssoc. Principal (Mechanical) AlfaTechAssoc. Principal (Mechanical)San Jose, CA$135,000–$175,000 / yearThey will represent the firm in all interactions with clients, employees, contractors, architects, and other project team members and have the authority to write proposals and request change orders or revisions in the project scope according to company procedures and in line with company’s levels of authority. As a leading consulting engineering firm, we provide thoughtful engineering design that is technologically forward thinking, innovative, and environmentally conscious, ensuring that our contribution to our built environment is flexible, sustainable, and lasting across all the market segments we serve.
NewPrincipal Analog Mixed-Signal Design Engineer SiTime CorporationPrincipal Analog Mixed-Signal Design EngineerSanta Clara, CA$148,320–$203,940 / yearDetailed design and simulation of one or more of the following: Oscillators, ADCs, DACs, temperature sensors, Integer and Fractional-N PLLs, Digital PLLs, low-noise op-amps, regulators, bandgap circuits in CMOS or BiCMOS processes, subthreshold circuits and architecture. Collaborate with Digital Design Engineers, CAD, Systems Engineering, Test Engineering and Applications teams to ensure DFT, DFM features and achieve rapid silicon bring-up and time to production release.
NewLead/Principal Mechanical Engineer Current Surgical Inc.Lead/Principal Mechanical EngineerSan Francisco, CAThe ideal candidate is someone who is excited to develop technology at the forefront of medical devices and precision surgery, eager to challenge both their technical and leadership skills in a high-growth startup environment. Our first product is a smart microinvasive needle that precisely destroys tumors without damaging healthy tissue, allowing doctors to treat cancers that are untreatable today.
NewPrincipal Epitaxial Engineer The Hiring Method, LLCPrincipal Epitaxial EngineerFremont, CA$100,625–$172,250 / yearA global leader in compound semiconductor and photonics technology is seeking a Lead / Principal Epitaxial Engineer to lead the development of advanced MOCVD epitaxial growth processes supporting next-generation InP and GaAs optoelectronic devices. The successful candidate will partner closely with Device Design, Product Engineering, and Manufacturing teams to develop new epitaxial structures, improve device performance, and drive process capability from R&D through production.
NewPrincipal Electrical Engineer, Connected Systems & Combination Product Development, R&D AbbViePrincipal Electrical Engineer, Connected Systems & Combination Product Development, R&DPleasanton, CAIn this role, you will lead and support electrical engineering activities for advanced drug delivery and medical device systems, with particular emphasis on connected and intelligent devices leveraging IoT, AI-enabled engineering approaches, Bluetooth, Wi-Fi, NFC, NB-IoT, and related wireless technologies. The amount and availability of any bonus, commission, incentive, benefits, or any other form of compensation and benefits that are allocable to a particular employee remains in the Company's sole and absolute discretion unless and until paid and may be modified at the Company’s sole and absolute discretion, consistent with applicable law.
NewSr Principal Program Manager - Aerospace and Defense Attalon, Inc.Sr Principal Program Manager - Aerospace and DefenseSan Pablo, CA$178,334–$245,209 / yearSuccess requires strong technical fluency, disciplined program execution, proactive risk management, and clear communication with demanding defense and commercial customers. This role owns full lifecycle execution of technically sophisticated hardware and subsystems, ensuring scope, schedule, cost, risk, and customer satisfaction objectives are met.
NewPrincipal MEMS Development Engineer SiTime CorporationPrincipal MEMS Development EngineerSanta Clara, CA$148,320–$203,940 / yearOur semiconductor MEMS programmable solutions offer a rich feature set that enables customers to differentiate their products with higher performance, smaller size, lower power and better reliability. As a Principal MEMS Development Engineer, you will use your technical and creative problem-solving skills to push forward MEMS technology and engineer resonators for SiTime’s next-generation timing products.
Senior or Principal Nuclear Medicine Technologist - Perm - San Francisco, CA VitalHireSenior or Principal Nuclear Medicine Technologist - Perm - San Francisco, CASan Francisco, CA$166,000–$226,000Must be able to independently perform all routine PET/CT exams and at least 3 of the following specialty exams:Multiphase CT, Pediatric, Cardiac, Neuro, or Research PET/CT. A leading Medical Center is hiring 2 Senior/Principal Nuclear Medicine Fusion Technologists to join its PET/CT team.
Principal Field Applications Engineer Sterling Engineering, Inc.Principal Field Applications EngineerMilpitis, CAPrincipal Applications Engineer – Power Electronics (DC-DC Converters) Location: San Jose / Milpitas, CA (hybrid) Compensation: $170,000 – $190,000 base + 15% or higher annual bonus (historically higher) Relocation: Available assistance if needed, preference for local candidates . Overview We are seeking a senior-level Principal Applications Engineer with deep expertise in low-voltage DC-DC converters (Buck conversion products) to support advanced power module products used in high-performance computing, networking, storage, and other demanding applications.
Principal R&D Design Engineer Russell Solutions GroupPrincipal R&D Design EngineerMenlo Park, CADefine verification and validation strategies; develop written protocols in conjunction with appropriate functions; oversee and/or perform testing and analysis in support of new products or changes to existing products. Serving as a subject matter expert in catheter design, including shaft construction, materials, tip design, braid/coil reinforcement, bonding, manufacturability, and performance optimization.
Senior Principal of Ad & Data Platforms Executive Operations ProsumSenior Principal of Ad & Data Platforms Executive OperationsSan Francisco, CAThe ideal candidate is an experienced operator who can move seamlessly between strategic planning and tactical execution, influence senior stakeholders, manage ambiguity, and operate with sound judgment and discretion in highly visible environments. This role combines business operations, executive advisory support, strategic planning, financial management, organizational effectiveness, and cross-functional program leadership .
Data Scientist, Principal Sunrise Systems IncData Scientist, PrincipalOakland, CAJob Summary : We are seeking an experienced Principal Data Scientist to design and develop predictive machine learning models, analyze large datasets, and deliver data-driven solutions that support business decisions. Factors which may affect starting pay within this range may include [geography/market, skills, education, experience and other qualifications of the successful candidate].
Principal Manager, Internal Communications Pharma The Fountain Group LLCPrincipal Manager, Internal Communications PharmaSouth San Francisco, CA$69.92–$99.98 / hourStep in to lead and deliver strategic employee-focused programs and experiences, including Research-wide meetings, leadership forums, engagement initiatives, and other high-visibility events. Alongside this strategic work, you will step into key communications priorities—leading employee-focused programs, executive communications, and high-profile events that are critical to the Research organization.
Supply Chain Management Data Lead (Systems Analyst, Principal) Sunrise Systems IncSupply Chain Management Data Lead (Systems Analyst, Principal)Oakland, CA$128,000–$218,000 / yearSeeking an experienced Supply Chain Management Data Lead to drive data governance, migration, and master data strategy for SAP S/4HANA transformation initiatives. The role will lead Supply Chain data workstreams, ensure data quality, and collaborate with cross-functional teams to support business process modernization.
Enterprise Architect, Principal - Utility Asset Management Sunrise Systems IncEnterprise Architect, Principal - Utility Asset ManagementOakland, CA$155,000–$210,000 / yearThis role will partner with senior business and IT leaders to develop target architectures, modernize application portfolios, and leverage emerging technologies such as AI/ML and Gen AI. Factors which may affect starting pay within this range may include [geography/market, skills, education, experience and other qualifications of the successful candidate].
NewPrincipal Data Science/AI Product Manager Triune InfomaticsPrincipal Data Science/AI Product ManagerSouth San Francisco, CAThe role partners with data science, engineering, IT, and product teams to define roadmaps, translate user and market needs into AI-driven solutions, build business cases, and deliver scalable, measurable impact through user-centric and ethical AI. Partner closely with the Director, AI Product Owner and Executive Director of AI Technical Delivery Team to lead the development of business cases for new and enhanced AI/ML product capabilities that embed AI into Client's integrated customer experience model.