Principal Product Manager, TradFi - Remote CirclePrincipal Product Manager, TradFi - RemoteSan Diego, CARemote$200,000–$260,000 / yearIn close partnership with executive stakeholders, engineering leadership, compliance, treasury, and external partners, you will define vision, drive alignment, and make high-impact tradeoffs to ensure Circle’s digital asset infrastructure supports increasing volumes, new markets, and future product expansion. As a Principal Product Manager on Circle’s Digital Assets team, you will own the long-term product strategy for Circle’s digital asset and capital markets platform, shaping how liquidity, lending, and capital access are delivered globally across Circle’s stablecoin ecosystem.
Senior Principal Product Manager - Remote CircleSenior Principal Product Manager - RemoteSan Diego, CARemote$230,000–$295,000 / yearEnable user adoption of newly incubated consumer products: As Circle enables Arc Hub, Wallets with partners, and Bridge UI, you’ll drive awareness and adoption of specific first party and partners’ consumer products by developing awareness and constructing viral loops for adoption. Shape the Developer Experience and Ecosystem Narrative: Collaborate with Developer Relations, Product Marketing, and BD to accelerate Arc Network and Circle’s developer stack as the trusted infrastructure for building in onchain finance.
NewLead / Principal Process ML Engineer Koh Young America, Inc.Lead / Principal Process ML EngineerSan Diego, CAThis role is needed to expand our process optimization capability — we need a technical leader who can own the full lifecycle of ML-driven process optimization products, from causal modeling to productization and customer deployment. Currently there is no dedicated technical lead for this product area, and growing customer demand requires a senior leader to set the technical vision and drive execution.
Principal Product Manager - Remote CirclePrincipal Product Manager - RemoteSan Diego, CARemote$200,000–$260,000 / yearWorking across Engineering, Treasury, Compliance, Operations, and Go-to-Market teams, you will launch and scale a trusted enterprise-grade product that helps customers optimize liquidity, reduce settlement friction, and modernize treasury operations at global scale. Circle’s platform includes the world’s largest regulated stablecoin network anchored by USDC, Circle Payments Network for global money movement, and Arc, an enterprise-grade blockchain designed to become the Economic OS for the internet.
Principal Product Manager, Growth - Remote CirclePrincipal Product Manager, Growth - RemoteSan Diego, CARemote$200,000–$260,000 / yearCircle’s platform includes the world’s largest regulated stablecoin network anchored by USDC, Circle Payments Network for global money movement, and Arc, an enterprise-grade blockchain designed to become the Economic OS for the internet. This role is accountable for scaling USDC supply and usage through strategic partnerships with regional centralized exchanges and OTC providers, while shaping region-specific growth strategies grounded in local market dynamics.
NewData Center - Principal Process Engineer H2O Innovation Inc.Data Center - Principal Process EngineerVista, CAPerform preliminary design of water treatment plants based on membrane projections and other accepted calculations in accordance with established criteria; Collaborate closely with sales managers and engineering discipline teams; Prepare budget, preliminary and final (bid) cost estimates including bill of materials, equipment, and controls; Prepare formal proposals for submittal to potential clients; Develop drawings of equipment and plant playouts as requested and oversee designers; Create process drawings such as P&IDs and PFDs; Select equipment (pumps, valves, membranes, etc.); Develop and present technical presentations/papers on in-house projects to promote Company and water technologies at conferences and clients meetings; Continuous investigation into improving design of current equipment and treatment processes, and development or acquisition of new equipment or processes to complement existing portfolio; Prepare engineering documents such as functional descriptions, process control narratives, etc. The ability to work efficiently on multiple assignments simultaneously; Excellent written and oral communication skills in English; Experience with Ion Exchange (IE), an asset; Knowledge of drinking and wastewater treatment, an asset.
Principal Investigator MD/DO Headlands ResearchPrincipal Investigator MD/DOSan Diego, California$100–$150 / hourDynamic Team Environment : You'll help Headlands Research continue to build a diverse and talented team of clinical research coordinators, research assistants, physicians, advanced providers, and patient recruitment specialists. At Headlands Research, we're not just building a clinical trial network; we are working to bring clinical trials to underserved communities and treatments to market.
Principal Investigator Md/Do Headlands ResearchPrincipal Investigator Md/DoSan Diego, CA$100–$150 / hourDynamic Team Environment: You'll help Headlands Research continue to build a diverse and talented team of clinical research coordinators, research assistants, physicians, advanced providers, and patient recruitment specialists. At Headlands Research, we're not just building a clinical trial network; we are working to bring clinical trials to underserved communities and treatments to market.
Principal, Advanced Practice Provider Executive Leader ECG Management ConsultantsPrincipal, Advanced Practice Provider Executive LeaderSan Diego, CaliforniaRemote$255,000–$300,000 / yearFull timeAs the Advanced Practice Provider Executive Leader, you will have executive oversight of large-scale and complex APP-related engagements to lead, develop, and optimize nurse practitioner and/or physician assistant care models, workforce strategies, and clinical operations to improve organizational performance across health systems. We provide a broad range of strategic, financial, operational, and technology-enabled consulting services to the full continuum of care, including hospitals, health systems, medical groups, academic medical centers, children’s hospitals, cancer centers, ambulatory surgery centers, investors, and payers/health plans.
Technical Development Principal Scientist The Fountain Group LLCTechnical Development Principal ScientistSan Diego, CA$55.17–$68.97 / hourMaster's degree in Immunology, Molecular Biology, Biochemistry, or related scientific discipline with 6–9+ years of analytical development, QC, technology transfer, or method lifecycle management experience. Lead analytical method development, transfer, qualification, validation, and lifecycle management activities supporting process development, product release, characterization, and stability.
Principal Systems Administrator (Rancho Bernardo) Northrop GrummanPrincipal Systems Administrator (Rancho Bernardo)San Diego, CA$103,600–$155,400 / yearBasic Qualifications: Bachelor's degree AND 6 years of related professional or military Systems Administration experience, OR Master's degree AND 4 years of related professional or military Systems Administration experience OR Associate degree AND 8 years of related professional or military Systems Administration experience OR High School Diploma AND 10 years of related professional or military Systems Administration experience in lieu of degree OR have relevant certifications such as CompTIA Security+ or other relevant Industry Certifications AND 8 years of related professional or military Systems Administration experience in lieu of degree. Maintain smooth operation of multi-user computer systems, including coordination with network, software, and system engineers, PC desktop technicians, project managers, end users, and customer and IT management.
Principal Thread & Communications Systems Engineer Northrop GrummanPrincipal Thread & Communications Systems EngineerSan Diego, CA$98,400–$171,000 / yearThe selected candidate will work closely with the TRMC System Engineering business area lead, to ensure the integrity of ICD/EICDs, performing critical updates and investigating defects as part of Defect Working Groups (DWG). Our educational assistance program supports employee development by providing resources such as: Free Education Advice: Call 855-222-2398 to speak with an experienced advisor to tailor an educational program to your career goals and needs.
Principal Machine Learning Engineer AppFolioPrincipal Machine Learning EngineerSan Diego, CA$264,000–$330,000 / yearAt its core, Realm-X is built on a structured domain ontology and a set of shared business primitives-such as transactions, actions, reports, metrics, and skills-that enable AI systems to deeply understand and operate across the full context of property management workflows. We're seeking a Principal Machine Learning Engineer to help define and lead the next generation of AI systems within Realm-X, and to drive AppFolio's long-term autonomous Real Estate Performance Management (RPM) platform - autonomous AI agents that can deliver property management performance.
Senior - Principal Engineer - Wastewater Collection System Planning West YostSenior - Principal Engineer - Wastewater Collection System PlanningSan Diego, Oregon$101,325–$180,915 / yearAll of our team members have access to local and company-wide events, our Diversity, Equity and Inclusion Workgroup, Culture Workgroup, Wellness Workgroup, book clubs, charitable giving and community service, firm-wide resources, peer groups (young professionals & middlers group), and mentorship and leadership programs. You’ll be recognized for your contributions at West Yost through milestone anniversary benefits, peer to peer recognition programs, the potential for employee stock ownership, annual monetary and paid time off bonuses, performance-based bonus eligibility, merit increase eligibility, and employee referral bonuses.
Debt Solutions - Principal Software Engineer (React/C#/AWS) CoStar GroupDebt Solutions - Principal Software Engineer (React/C#/AWS)San Diego, California$211,000–$297,000 / yearOur CoStar for Debt Solutions product development team is looking for an experienced Principal Software Engineer to own the architecture and design of our software systems, from full stack web products to high-volume, secure data pipelines. We think big, creating innovative data-intensive applications that take the vast amount of data collected by our CoStar Research teams to create a fast, reliable, and intuitive analytics platform for our customers.
Principal Manufacturing Engineer Laird R&F ProductsPrincipal Manufacturing EngineerCarlsbad, CaliforniaThe Carlsbad, CA site is looking to fill a Principal Manufacturing Engineer role that provides site manufacturing support for day-to-day operations, support integration of Process Safety Management (PSM) and new equipment into the site, tool and equipment design support, and other process support to the factory. At Qnity Electronics , we are working on things that matter, whether it’s providing clean water to more than a billion people on the planet, producing materials that are essential in everyday technology devices from smartphones to electric vehicles, or protecting workers in this global pandemic.
Principal Traffic Engineer ( Full-Time ) San Diego, CA - DK Central Business SolutionsPrincipal Traffic Engineer ( Full-Time ) San Diego, CA - DKSan Diego, CaliforniaMinimum 7 years of experience in traffic engineering/planning or equivalent 12 years of industry experience. Minimum 5 years of management experience supervising traffic engineering teams.
Principal Traffic Engineer Advatix, Inc.Principal Traffic EngineerSan Diego, CA$130,000–$165,000 / yearThrough its global talent acquisition practice, HRforGrowth applies world class rigor and precision to identifying exceptional professional and executive talent on behalf of its clients — from temporary staffing to permanent hourly workers through to placing C-suite executives. The successful candidate will lead traffic engineering initiatives, oversee project execution, manage client and public agency relationships, and support the delivery of transportation solutions throughout Southern California.
Principal Engineer, Physical Design InnoPhase IoTPrincipal Engineer, Physical DesignSan Diego, CAIf you are keen to work with a bunch of brilliant people with various backgrounds, if you share the same value of working smart and celebrating successes, if you have enthusiasm for big technology in a small company, if your goals are to learn and experience different aspects of work--not just singing the same song every day, you'll find your playground at Innophase IoT. As a Physical Design Principal Engineer, you will be responsible for the entire SOC implementation and verification flow from RTL-to-GDS that includes floorplan, place and route, CTS, STA, PV/EMIR/Noise/SigEM cleanup and signoff on lower power SoC.
Senior - Principal Engineer - Water Systems & Water Supply Planning West YostSenior - Principal Engineer - Water Systems & Water Supply PlanningSan Diego, OregonAll of our team members have access to local and company-wide events, our Diversity, Equity and Inclusion Workgroup, Culture Workgroup, Wellness Workgroup, book clubs, charitable giving and community service, firm-wide resources, peer groups (young professionals & middlers group), and mentorship and leadership programs. You’ll be recognized for your contributions at West Yost through milestone anniversary benefits, peer to peer recognition programs, the potential for employee stock ownership, annual monetary and paid time off bonuses, performance-based bonus eligibility, merit increase eligibility, and employee referral bonuses.