Principal in California

A third-party partner is seeking a qualified Principal Plans Examiner to join the Planning & Community Development Department, Building & Safety Division, in Pasadena, CA. This role is responsible for reviewing and evaluating plans, specifications, and structural calculations to ensure compliance with applicable building codes and state regulations for a variety of commercial projects. The Principal Plans Examiner will lead a team of four and work closely with architects, contractors, and the public, ensuring projects meet rigorous standards for accessibility, safety, and code adherence. This position offers unique opportunities to contribute to high-profile projects, including research-driven initiatives with biomedical labs and the retrofit of a historic library.

Responsibilities

• Conduct thorough reviews of plans, specifications, and structural calculations for compliance with building codes and state regulations.
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Be more than just an employee number! Join Terran Orbital, a leader in innovation, manufacturing, and operations in the satellite industry. We are a pioneer in the miniaturization of space technologies and the delivery of responsive space solutions. We are a unique, fast-growing, and trusted team focused on quickly and economically designing, building, launching, and operating state-of-the-art satellites for advanced mission constellations.

Terran Orbital is seeking an experienced Principal Engineer - Flight Software, to join our growing team. Reporting to the Software Engineering Manager, the Sr Flight Software Engineer, Spacecraft will join a collaborative team to develop innovative nano-satellite vehicle solutions for multiple projects.

 Key Duties And Responsibilities 

• Collaborate with other Principal and Chief Engineers to design high-level software architecture
• Perform as the technical SME to...

Are you passionate about designing scalable, innovative AI systems that push the boundaries of what's possible? Do you have the architectural expertise and strategic insight to lead the design of AI solutions that enhance products, optimize processes, and deliver value across diverse applications? If you’re ready to create the blueprint for cutting-edge AI infrastructure and applications, our client has the perfect role for you. We’re seeking a Principal AI Architect (aka The AI Visionary Architect) to lead the design, integration, and optimization of AI architecture that powers transformative solutions and enables seamless deployment at scale.

As the Principal AI Architect at our client, you’ll work closely with engineering, data science, and product teams to establish the architecture and frameworks that underpin AI-driven products. You’ll design scalable, high-performance systems that support model deployment, data...

Direct Biologics is a market-leading innovator and cGMP manufacturer of regenerative medical products, including a robust extracellular vesicle based biologic platform technology. The Company is committed to providing the latest clinical and scientific information through rigorous and thorough research. With deep knowledge and industry expertise in cellular and regenerative therapies, the company has brought to market a significant development in therapeutic biologics with the introduction of the highest quality production of extracellular vesicles.

Requirements

Some required skills for the Principal Scientist position:

• Top expert in biotechnology analytical method life cycle, with demonstrated success managing late-stage to commercial cell-based assay validation.
• Extensive knowledge of domestic and global regulatory requirements for late-stage and commercial analytical testing programs.
• Excellent...

Principal Product Manager

San Francisco (Hybrid), New York (Hybrid), or United States (Remote)

Why We Matter: Aura connects people around the world through a brilliant and simple photo-sharing experience on our customers’ digital picture frames. We are driven to connect people and deliver joy by liberating the wonderful photos that might otherwise stay trapped on smartphones. Technology and innovation are at the core of every decision we make, but always in the service of bringing families and friends closer together.

How You Will Add Value: Aura is looking for a seasoned Principal Product Manager to help build the future of Aura across our mobile apps and interactive digital photo frames. As a customer-focused product manager, you will drive the prioritization, definition and delivery of consumer-facing experiences used by millions of users globally. As a collaborative team member, you will work with designers, software and...

Come Revolutionize Accounting with AI  

Cynch is a fast-growing, AI startup on a mission to empower small businesses. We combine reasoning, machine learning, and generative AI to help business owners make better financial decisions. We are a team of experienced AI scientists, engineers, and operators passionate about the financial well-being of individuals and businesses, and we look for people who share that passion. We're seeking an entrepreneurial Principal AI Engineer with a focus on Knowledge Representation and Reasoning to help turn our vision into reality for our customers.

Join us in shaping the future of accounting and helping our clients achieve better financial outcomes!

What You'll Do:

• Design, implement, and deploy KRR systems for applications across accounting including:
• Chat/Dialogue based interfaces
• Automatic code generation
• Document...

The Principal Engineer, Software Architecture, partners with key stakeholders across the organization in developing platform technical roadmap and strategies. This individual acts as a technical leader to guide the creation and lifecycle of software platform architecture.  Produces architectural block diagrams and high-level designs, delivers architectural design to development staff provides answers to customer inquiries concerning system software and applications, and interfaces with third party software vendors. The Principal Engineer, Software Architecture relies upon wide-ranging experience, using professional concepts and company objectives to resolve complex issues in creative and effective ways.

This role will be specifically responsible for Microservices. The Microservices Architect will lead and develop scalable applications. They will oversee architectural decisions, mentor, and ensure system performance and security....

Principal Analog Mixed-Signal Design Engineer

Hybrid - 2 days a week minimum in office Locations

Westlake Village, CA

$175,000 – $225,000 / yr

As a member of the design group, the candidate will be responsible for design and validation of FET and BiCMOS circuits for high-speed broadband ICs that serve these applications.

Seeking an RF and Analog Design Engineer to contribute to the development of multi-tens of GHz Transimpedance amplifiers TIAs. These optical interface chips are tightly coupled with our high-performance equalizers. The results of our innovative designs have made our TIAs best in class for coherent long-haul and metro systems as well as PAM4 data center systems.

In this role you will be responsible for:

• Active circuit design as well as technical leadership.
• Design leading edge transimpedance amplifier design, primarily in Silicon Germanium (SiGe) BiCMOS (Bipolar Complementary Metal Oxide...

Stackr is seeking a Principal Smart Contract Engineer to lead the design and implementation of off-chain infrastructure, protocols, and bridging solutions, specifically around rollups, bridging, proof verification and data availability solutions that are fundamental to the Stackr ecosystem. In this critical role, you will leverage your deep expertise in smart contracts, blockchain technologies, and distributed systems to architect high-performance solutions that enable seamless interoperability between diverse blockchain networks.

Requirements

Technical Skills

• 5+ years of experience in smart contract development and decentralized protocols with core expertise in off-chain infrastructure, specifically L1 <> L2 interaction
• Strong expertise in Solidity and Rust with understanding of lower level features
• Deep understanding of rollup technologies, both zk and optimistic including...

Quadric has created an innovative general purpose neural processing unit (GPNPU) architecture. Quadric's co-optimized software and hardware is targeted to run neural network (NN) inference workloads in a wide variety of edge and endpoint devices, ranging from battery operated smart-sensor systems to high-performance automotive or autonomous vehicle systems. Unlike other NPUs or neural network accelerators in the industry today that can only accelerate a portion of a machine learning graph, the Quadric GPNPU executes both NN graph code and conventional C++ DSP and control code.

If making an impact and having a seat at the table is important to you, this is the opportunity for you. Join our small, rapidly-growing team at Quadric to develop supercomputer technology designed for the Edge. In this position, you will be a core member of our team, and will have an opportunity to grow in the company of expert technologists who also happen to be good people you’ll want to spend...

Oakwood School in Morgan Hill, California, is seeking an exemplary Middle School Head and Principal to join the leadership team in July 2025 and oversee grades 6-8. Previously, the middle grades program has been overseen by either the Upper School Head and Principal or the Lower School Head and Principal. As the school continues to grow, it is now time for a middle-years expert to join the leadership team and oversee the robust program for this transformative age group.

Reporting directly to an experienced, long-serving Head of School, this role encompasses educational leadership, operational guidance, and fostering academic excellence within the middle school. The Middle School Head and Principal will lead instructional staff, maintain program and curriculum congruency, and engage with students and parents to encourage a supportive community.

Click here to view the full position statement.

The search firm RG175 is...

Be more than just an employee number! Join Terran Orbital, the leader in innovation, manufacturing, and operations in the small satellite industry.  We are a pioneer in the miniaturization of space technologies and the delivery of responsive space solutions.  We are a unique, fast growing, and trusted team focused on quickly and economically designing, building, launching, and operating state-of-the-art satellites for advanced mission constellations.

 Terran Orbital is seeking an experienced Principal Network Systems Engineer to join our growing team.  

 In this role, the Principal Network Systems Engineer will ensure that our space vehicle products remain at the forefront of networking and industry standards. This role will implement and maintain robust and effective networking architectures and work closely with our customers and partners to provide a secure and resilient space domain system.  You will...

Lightmatter builds chips for artificial intelligence computing. Our architecture leverages unique properties of light to enable fast and efficient inference and training engines. If you're a collaborative engineer or scientist who has a passion for innovation, solving challenging technical problems, and doing impactful work like building the world's first optical computers, consider joining the team at Lightmatter!

We are looking for a talented engineer to provide technical leadership to the Hardware Systems organization to help us build the next generation of silicon photonics based artificial intelligence accelerators and interconnect products.

As a Systems Hardware and Fiber Optic Architect/Technical Lead, you will be responsible for delivering board and system solutions using Lightmatter’s innovative technology to create state-of-the-art machine learning/artificial intelligence or massive scale-out interconnect platforms. You will work closely with our hardware and...

Be more than just an employee number! Join Terran Orbital, the leader in innovation, manufacturing, and operations in the small satellite industry.  We are a pioneer in the miniaturization of space technologies and the delivery of responsive space solutions.  We are a unique, fast growing, and trusted team focused on quickly and economically designing, building, launching, and operating state-of-the-art satellites for advanced mission constellations.

 Terran Orbital is seeking an experienced Principal Spacecraft Systems Engineer - Cybersecurity to join our growing team.  

 The threat landscape in cyberspace has expanded, requiring proactive safeguarding of space domain systems against cybers attacks and vulnerabilities throughout its lifecycle. 

 In this role, the cyber security engineer will ensure that our space vehicle products remain at the forefront of security and industry standards. This...

Career Renew is recruiting for one of its clients Tax Director - Tax Principal - Corporate Tax in Los Angeles, US.

Duties & Responsibilities:

Initiate, monitor, and deliver tax provision and tax compliance services in a timely and accurate manner.

• Manage projects to ensure technically-accurate products and high-quality deliverables are presented to clients. • Manage projects within budgetary and time constraints while providing a high-level of client satisfaction. • Work towards becoming the primary client service contact. • Ensure complete communication with client and firm personnel. • Build client relationships and demonstrate knowledge of client business. Participate in the mentoring and development of team members

• Help to develop and guide staff by providing effective performance feedback and ensuring team responsibilities are consistent with skills and developmental goals. • Be actively involved in and a positive...

Hayfin is seeking a highly motivated and experienced individual to join our Partner Solutions Team as a dedicated Americas - West Coverage professional, based in Southern California. Hayfin’s global Partner Solutions Group is comprised of dedicated Coverage professionals across the Americas, Europe and APAC, with further support from a deep bench of additional Investor Relations colleagues (30+ in total). In this role, you will be responsible for assisting with institutional fundraising activities and expanding our market presence within the America, West region. You will work closely with other senior members of the Americas Coverage team in pursuit of new business opportunities, build relationships with potential clients, and promote our investment strategies.

Our Americas Institutional Fundraising efforts are assisted by a cross-section of our Investor Relations professionals. You will work closely with other senior members of the Americas Coverage team in pursuit of new...

Our partner is seeking a Principal AI/ML Engineer specializing in Security AI for their San Jose, CA location. This role involves leading the development and evolution of AI platforms and products within the Security AI team. The position is crucial for driving innovation and maintaining a competitive edge in the AI and machine learning space.

Responsibilities:

• Lead technical and industry vision for AI and Data Science strategies.
• Define and design AI-based solutions, evaluate technical feasibility, and estimate efforts and risks.
• Develop prototypes and MVP architectures for innovative features and services that are consistent, maintainable, and scalable.
• Collaborate with multi-functional teams to define and achieve strategic objectives.
• Mentor and guide a team of AI engineers and data scientists, promoting technical excellence and continuous learning.
• Stay updated on AI and ML...

The Principal Software Technical Program Manager is responsible for leading and managing software development programs, ensuring the successful delivery of complex projects. This role involves serving as a Scrum Master, facilitating agile processes, and coordinating with cross-functional teams and external partners. Key responsibilities include defining project scope, setting schedules, managing stakeholder expectations, and acting as a liaison across various offices to enhance communication and alignment. The role also involves advocating for customer needs, developing user stories, and driving the implementation of managed services and operational products.

Duties and Responsibilities:

• Serve as Scrum Master for various programs, by facilitating sprint activities such as daily stand-ups, backlog grooming, sprint planning, and sprint reviews.
• Coordinate with external partners to ensure alignment and effective...

Be more than just an employee number! Join Terran Orbital, a leader in innovation, manufacturing, and operations in the satellite industry. We are a pioneer in the miniaturization of space technologies and the delivery of responsive space solutions. We are a unique, fast-growing, and trusted team focused on quickly and economically designing, building, launching, and operating state-of-the-art satellites for advanced mission constellations.

Terran Orbital is seeking an experienced Principal Spacecraft Systems Engineer to join our growing team. Reporting to the Systems Engineering Manager, the Principal Spacecraft Systems Engineer will lead, work closely with, and be an integral part of a multidisciplinary team leading the cradle-to-grave technical definition of our products and missions. You will architect key elements of mission operations, system functional behavior and performance, and detailed design for all subsystems that support...

Be more than just an employee number! Join Terran Orbital, a leader in innovation, manufacturing, and operations in the satellite industry. We are a pioneer in the miniaturization of space technologies and the delivery of responsive space solutions. We are a unique, fast-growing, and trusted team focused on quickly and economically designing, building, launching, and operating state-of-the-art satellites for advanced mission constellations.

Terran Orbital is seeking an experienced Principal Spacecraft Systems Engineer to join our growing team. Reporting to the Systems Engineering Manager, the Principal Spacecraft Systems Engineer will lead, work closely with, and be an integral part of a multidisciplinary team leading the cradle-to-grave technical definition of our products and missions. You will architect key elements of mission operations, system functional behavior and performance, and detailed design for all subsystems that support...

Introduction:

Are you a master of data, with the ability to extract meaningful insights from the most complex datasets? Do you have the expertise to develop advanced models that not only solve challenging problems but also drive strategic decisions? If you’re a visionary data scientist who thrives on turning raw data into actionable intelligence, then our client has the perfect role for you. We’re searching for a Principal Data Scientist (aka The Data Whisperer) to lead our data science efforts and turn numbers into narratives that shape our business.

Imagine leading the charge in data science at a company that values innovation, precision, and insight. As the Principal Data Scientist at our client, you’ll be at the forefront of our data strategy, developing models and algorithms that unlock the full potential of our data. This role is not just about crunching numbers—it’s about using data to tell compelling stories...

Introduction:

Are you the wise architect of code, known for turning complex problems into elegant solutions? Do you have the depth of experience and the technical prowess to guide teams through the most challenging projects? If you’re the kind of engineer who thrives on creating robust, scalable systems and mentoring others to do the same, then our client has the perfect role for you. We’re looking for a Principal Software Engineer (aka The Code Sage) to lead the way in developing innovative software that sets the standard for excellence.

Imagine being the go-to expert in a company that values your insights and technical leadership. As the Principal Software Engineer at our client, you’ll be at the forefront of our most critical projects, shaping the future of our technology stack and guiding a talented team of engineers to success. This isn’t just about writing code—it’s about leaving a legacy of innovation and quality...

​​Sr./Principal Analog Architect

Lightmatter builds chips that enable extreme-scale artificial intelligence computing clusters. If you're a collaborative engineer or scientist who has a passion for innovation, solving challenging technical problems, and doing impactful work like building the world's first optically accelerated computers, consider joining the team at Lightmatter!

We are hiring a Sr./Principal Analog Architect. The selected candidate will partner with external facing teams at Lightmatter and internal engineering teams to deliver groundbreaking products to the market. In this role, you will contribute to designing and developing innovative analog architecture solutions to deliver high-volume products for our customers. As an architect, you will provide detailed technical documents that describe what needs to be built to the engineering team. You will engage with our cross-disciplinary engineering teams to model and analyze solutions. This...

Faro Health aims to improve lives by helping life sciences companies design optimal clinical trials. Our AI powered software platform optimizes and orchestrates complex clinical development by providing powerful insights about trial design and outcomes. Faro empowers researchers to design more intelligent trials, reducing development costs and reaching milestones faster with better patient experiences.

Faro is a mission driven company seeking world class people who share our passion for improving drug availability and patient outcomes through better clinical trial design. We pride ourselves on our vibrant, inclusive, and growth mindset oriented culture. Faro offers competitive compensation and benefits, generous vacation and parental leave, and flexible working hours. We are a hybrid workplace where San Diego employees work from their homes as well as in our lovely main headquarters enjoying a gym with classes and (early next year) spa services, outdoor lawn work area, and...

Tapcheck is seeking a Product Manager with extensive experience in partner and client growth within the B2B or SaaS fintech space. This role will be pivotal in delivering our Earned Wage Access (EWA) service as a key financial wellness benefit for Tapcheck’s partners, business clients, and their hourly employees. You will drive the product strategy, ensure implementation quality, and oversee the day-to-day execution of your engineering team. Success in this role hinges on your ability to work directly with external partners and business clients to drive expansion, awareness, and adoption of the Tapcheck service within their ecosystems, products, and services.

In this role, you will focus on three critical KPIs: enhancing our closed-won rate by refining our sales motion across all market segments (SMBs, mid-market, and Enterprise), reducing the time to launch for business accounts of varying sizes, and amplifying our sales growth through strategic partner integrations...

We are looking for an outstanding, hands-on scientist or engineer with an in-depth materials science knowledge, to join our sensor development efforts. Work will focus on sputtering, characterization and iterative optimization of the magnetic materials and stacks used in our system – both on bare substrates as well as on functional sensor devices. The ideal candidate will have experience with sputter deposition and advanced characterization of magnetic thin films, at both DC and RF frequencies, as well as a strong technical understanding of magnetism, magnetoelectric materials and magnetization dynamics. The candidate will be required to work closely with other members of the materials and engineering teams to meet project objectives and to bring Sonera's biomagnetic sensing platform to market. This person should be confident in taking on project management responsibilities, and comfortable with creative problem solving in a startup environment.

Typical base salary is...

Elevate Semiconductor’s mission is to serve our semiconductor and system test customers by providing world class test integrated circuits (ICs) that address the industry’s most complex ATE challenges. We strive to exceed our customer’s expectations, now and well into the future, through designing the lowest power/highest density solutions, with the goal of providing the lowest possible cost of test.

ElevATE Semiconductor is looking for a Principal Test Engineer to join our growing team in San Diego, and lead the ongoing development of our semiconductor test core competency.

At ElevATE, the test operations organization supports the product throughout the entire product life cycle, from product concept through end of life. This equates to a versatile team, that performs both project development work and operational sustaining work. The Senior Test Engineer candidate will be responsible for their assigned project from DFT, through development and volume...

** Due to the classified nature of our work, U.S. citizenship is required. Candidates must be willing to obtain and maintain a DoD Security Clearance.

Location: Sunnyvale, CA. Remote with some travel could be considered for the right applicant.

About Us

Pacific Defense develops advanced electronics systems for the U.S. Department of Defense and commercial customers. Specializing in Open Systems Architecture solutions for electromagnetic spectrum warfare, we deliver modular, rapidly reconfigurable systems in less than half the time of traditional contractors. Our expertise spans Radar, EW, SIGINT, and Communications, combined with a go-fast execution model leveraging Open Standards like SOSA, CMOSS, and MORA. With facilities across the country and a diverse team, we drive innovation in signal processing, algorithm development, cognitive systems, and systems integration. Join us to advance your career and tackle...

About The Role

We're looking for a passionate and skilled Principal ML Engineer who wants to swing for the fences to accomplish our mission, is excited by a startup environment where the hardest problems are yet to be solved, and is eager to learn and collaborate together. This is our first fully dedicated ML Engineer with a massive runway to make an impact.

Requirements

What You'll Do

1. Machine Learning Model Development: Design, develop, and implement machine learning models and algorithms to solve complex problems in automation and Chrome development, such as natural language processing, computer vision, recommendation systems, or predictive analytics.
2. Data Preparation: Collect, preprocess, and analyze data from various sources to create clean and relevant datasets for model training and evaluation.
3. Model Training and Evaluation: Train, fine-tune, and optimize machine learning...

About The Role

We're looking for a passionate and skilled Principal ML Engineer who wants to swing for the fences to accomplish our mission, is excited by a startup environment where the hardest problems are yet to be solved, and is eager to learn and collaborate together. This is our first fully dedicated ML Engineer with a massive runway to make an impact.

Requirements

What You'll Do

1. Machine Learning Model Development: Design, develop, and implement machine learning models and algorithms to solve complex problems in automation and Chrome development, such as natural language processing, computer vision, recommendation systems, or predictive analytics.
2. Data Preparation: Collect, preprocess, and analyze data from various sources to create clean and relevant datasets for model training and evaluation.
3. Model Training and Evaluation: Train, fine-tune, and optimize machine learning...