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Principal Jobs in Long Beach, CA

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Principal Mechanical Engineer Thinkom Solutions Inc

Hawthorne, CA

$140,000–$180,000 / year

This role offers the opportunity to serve as the lead mechanical engineer on key programs while providing technical leadership, mentoring junior engineers, and contributing to multiple product development efforts across the organization. At ThinKom, youll help develop innovative technologies that enable critical communications and advanced electromagnetic systems for Commercial Inflight Connectivity (IFC), High-Power Microwave (HPM), and Gateway & Defense SATCOM applications.

30+ days ago

Principal Product Designer True Link Financial, Inc.

You'll act as a design consultant, identifying and advocating for high impact areas per the company OKRs, and for strategic focus to bring customer insights to the table and improve the user experience, in addition to supporting in-flight product initiatives. Operate as a senior design thought-partner for product and engineering leadership to shape requirements, not just respond to them, which includes navigating stakeholder feedback and applying good judgment about customer discovery versus forward momentum.

30+ days ago

Principal, Cybersecurity Architect (P1-6105695-1) Panda Restaurant Group Inc

Rosemead, CA

$157,000–$220,000 / year

The Principal Cybersecurity Architect has the following primary focus areas: enterprise and multi-domain security architecture leadership, strategic alignment of security, technology, and business outcomes, and setting overall direction for security architecture. or large-scale technology leadership with increasing management responsibility; experience with cloud-native architectures, embedded systems, or hybrid software ecosystems and relevant certifications, such as CISSP, CSSLP or equivalent.

30+ days ago

Principal Software Engineer, Enterprise Platform Apis GoodLeap

Irvine, CA

$182,900–$208,300 / year

Thousands of professionals deploying home efficiency and solar solutions rely on GoodLeap's proprietary, AI-powered applications and developer tools to drive more transparent customer communication, deeper business intelligence, and streamlined payment and operations. About GoodLeap: GoodLeap is a technology company delivering best-in-class financing and software products for sustainable solutions, from solar panels and batteries to energy-efficient HVAC, heat pumps, roofing, windows, and more.

30+ days ago

Principal Propulsion Test Engineer Divergent 3D

Torrance, CA

$172,179–$273,458 / year

From an empty test bay to first fire, you'll own the end-to-end development of propulsion test capability-designing mechanical structures, integrating high-pressure fluid systems, implementing instrumentation and controls, commissioning the facility, and ultimately leading propulsion test campaigns. Our integrated engineering and manufacturing platform transforms complex designs into production-ready solutions, helping customers move faster, build smarter, and deliver critical systems when they matter most.

30+ days ago

Principal, Business Transformation 24 Hour Home Care

El Segundo, California

$108,000–$123,000 / year

The Role : The Principal, Business Transformation supports change adoption across the Business Transformation Office (BTO) portfolio by equipping people leaders with the tools, training, and facilitation support needed to successfully lead change within their teams. You embody Team 24’s Care & Compete Principles and Competencies: In the spirit of Own(ing) It With Courage , we encourage you to check out our Glassdoor Page to learn more about 24 Hour Home Care and to leave a review about your experience: 24 Hour Home Care: Glassdoor Page .

30+ days ago

Sr. Principal, Business Development & Head Of Air Force Strategy Divergent 3D

Torrance, CA

$179,610–$246,960 / year

The Senior Principal serves as a senior advisor to executive leadership on Air Force market strategy and is responsible for shaping long-term customer engagement, strategic partnerships, and business growth within one of the company's highest-priority defense markets. Develop, own, and continuously evolve Divergent's long-term Air Force strategy by identifying emerging mission needs, acquisition pathways, funding opportunities, executive stakeholders, and strategic partnerships that position the company for sustained growth.

30+ days ago

Principal Investigator Velocity Clinical Research, Inc.

Huntington Park, California

Full time

Prior to starting a study and while a study is ongoing, ensure that the study, clinical trial protocol, informed consent form, recruitment materials, and other documents provided to the subject are approved by the IRB and comply with GCP (Good Clinical Practices) and other regulatory requirements as required. Overview: Velocity Clinical Research is an owned and integrated research site organization, providing excellence in patient care, high quality data and fully integrated research sites.

30 days ago

Principal Packaging Engineer Skyworks Solutions Inc

Irvine, CA

$129,400–$247,800 / year

As a technical leader, you will work across design, manufacturing, suppliers, reliability, and customer teams to develop scalable, high-performance packaging solutions that meet aggressive cost, quality, and reliability targets. This role is ideal for a recognized subject matter expert who is passionate about driving technology innovation, solving complex manufacturing challenges, and influencing the future packaging roadmap of a market-leading semiconductor company.

30+ days ago

Principal AI/ML Engineering Lead Vida Health

Remote

$250,000–$275,000 / year

Vida's team of Obesity Medicine-Certified Physicians, Registered Dietitians, Expert Coaches and Licensed Therapists takes a whole-person approach to care, helping people lose weight, reduce stress and improve their overall health. Substantial hands-on experience building and deploying AI/ML systems in production, including MLOps, model serving and inference infrastructure, feature and data pipelines, and integrating models into real applications.

30+ days ago

Principal, Multi-Channel Field Sales Schneider Electric SE

Proven experience working in owner/operator environment in process automation, process engineering, operations and maintenance capacity Analytical thinking, strong capability of project management and problem-solving skills, sound judgment and a willingness to resolve issues and problems in a timely manner Excellent communications skills with the proven ability to develop rapport and credibility across the organization, promote ideas and proposals persuasively Exposure to Strategy & Business Development in the North American market space. The Business Development Manager is responsible for sales and business development activities of Field Device solutions including: Pressure Temperature Flow Level E-Chem Wireless In addition, the Field Device Business Development Manager will lead the sales and business development efforts related to key targeted North American markets and accounts.

6 days ago

Principal Accountant Franklin Resources Inc

Pasadena, CA

$115,000–$150,000 / year

We also offer a comprehensive benefits package, which includes a range of competitive healthcare options, insurance, and disability benefits, employee stock investment program, learning resources, career development programs, reimbursement for certain education expenses, paid time off (vacation / holidays / sick / leave / parental & caregiving leave / bereavement / volunteering / floating holidays) and a motivational wellbeing program. The group reports directly to the Chief Accounting Officer over the Americas region and is primarily responsible for US regulatory reporting, preparation of stand-alone audited financials, supporting the legal entity teams and other periodic tasks such as impairment reviews and capital transactions.

22 days ago

Principal Software Engineer Advantest Corp

Lake Forest, CA

The role works directly across semiconductor testers, automated handlers, software drivers, firmware, instrumentation, thermal systems, test programs, and distributed software platforms. Hands-on Principal Software Engineer responsible for software architecture, design, coding, system integration, and debugging across SLT, Burn-In, and HPC Semiconductor test platforms.

22 days ago

Principal Engineer- Advanced Operations Stryker

Irvine, California

$135,700–$226,200 / year

However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. Work Flexibility: Onsite The Principal Advanced Operations Engineer - Technical Lead is a senior technical leader responsible for driving manufacturing excellence, process development, technology transfer, and operational readiness for new product launches.

15 days ago

Principal Data Scientist Skyworks Solutions Inc

Irvine, CA

$122,900–$255,200 / year

In this role, you will leverage advanced analytics, machine learning, statistical modeling, and large-scale data processing to transform complex datasets into actionable insights that improve products, processes, and business outcomes. You will play a key role in designing and implementing scalable data science solutions, developing predictive models, and communicating insights that influence strategic and operational decisions.

12 days ago

Principal Risk Adjustment & Revenue Integrity Analytics Lead Lumeris Inc (Inactive)

Remote

$133,200–$180,900 / year

Reporting directly to the Senior Director of Health Plan Analytics, this role directly supports the Medicare Advantage plans of Essence Healthcare, serving as the analytic truth owner for Risk Adjustment by connecting risk-score performance, diagnosis and HCC capture, encounter submissions, and revenue impact into a single, trusted operating model. Position Summary: The Principal Risk Adjustment & Revenue Integrity Analytics Lead is a senior, hands-on analytics leader responsible for designing, building, validating, and operationalizing Medicare Advantage Part C risk adjustment analytics.

14 days ago

Principal Electrical Engineer ETAP

Irvine, California

$125,000–$195,000 / year

ETAP supports customers in their digital transformation and sustainable energy transitions for a green and smart future, helping them to prioritize safety, maximize reliability, and stay resilient. By applying ETAP solutions, customers experience continuous intelligence during design and engineering and into operations and maintenance using a unified electrical digital twin platform.

16 days ago

Principal Account Executive, Commercial California SentinelOne Inc

$176,000–$242,000 / year

Build and execute a territory plan that evolves through the year and drives where your activity and focus go, with an emphasis on net-new logo acquisition and platform expansion in existing accounts. Ideal candidates will have: 5 to 7 years of successful sales performance at SentinelOne or a comparable or more complex cybersecurity company, with a record of hitting and over-achieving quota.

25 days ago

Provider Network Strategy Principal Welbe Health

Los Angeles, CA

$109,240.54–$144,197.50 / year

This role is different because the Provider Network Strategy Principal role at WelbeHealth: Provides an opportunity to build and shape a highly integrated provider network strategy within a mission-driven PACE model, where clinical outcomes, participant experience, and community-based care are deeply interconnected. This role will be responsible for producing network performance analysis, creating reporting for market-level visibility, and leading key cross-functional initiatives that improve provider outcomes and team efficiency and effectiveness.

7 days ago

Principal Product Manager Gurucul Solutions LLC

8+ years of product management or equivalent product leadership experience, including 3+ years in enterprise cybersecurity, insider risk, data protection, compliance, or a related security product domain. Today that work runs across Next-Gen SIEM, Insider Risk Management, and AI SOC Analyst, and as of September 2026, Gurucul AI Risk and Response, for the AI agents now working alongside people.

9 days ago

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Principal Jobs in Long Beach, CA

Principal Mechanical Engineer Thinkom Solutions Inc

Principal Product Designer True Link Financial, Inc.

Principal, Cybersecurity Architect (P1-6105695-1) Panda Restaurant Group Inc

Principal Software Engineer, Enterprise Platform Apis GoodLeap

Principal Propulsion Test Engineer Divergent 3D

Principal, Business Transformation 24 Hour Home Care

Sr. Principal, Business Development & Head Of Air Force Strategy Divergent 3D

Principal Investigator Velocity Clinical Research, Inc.

Principal Packaging Engineer Skyworks Solutions Inc

Principal AI/ML Engineering Lead Vida Health

Principal, Multi-Channel Field Sales Schneider Electric SE

Principal Accountant Franklin Resources Inc

Principal Software Engineer Advantest Corp

Principal Engineer- Advanced Operations Stryker

Principal Data Scientist Skyworks Solutions Inc

Principal Risk Adjustment & Revenue Integrity Analytics Lead Lumeris Inc (Inactive)

Principal Electrical Engineer ETAP

Principal Account Executive, Commercial California SentinelOne Inc

Provider Network Strategy Principal Welbe Health

Principal Product Manager Gurucul Solutions LLC

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