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Principal Jobs in Long Beach, CA

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Space Combat Power Propulsion Principal Engineer The Aerospace Corp

El Segundo, CA

$185,200–$277,800 / year

The Defense Systems Group (DSG) provides analysis-based decision support to senior leaders on space architectures, policy and strategy, technology development, warfighter capability enablers, systems integration, defense industrial base, and threat reduction to help shape existing and future space missions across the national security space (NSS) enterprise. DSG is unique at Aerospace as it not only directly supports major customers, including the U.S. Space Force, U.S. Space Command, Air Force Materiel Command, and senior leadership at the Pentagon, but also provides a broad range of technical support across the national space enterprise, maintaining vertical responsibilities with customers' portfolios as well as horizontal, matrixed responsibilities across the corporation.

7 days ago

Principal Information Systems Analyst - Lead EDI Developer (N387) Heluna Health

Los Angeles, California

The position combines hands-on technical oversight with technical operational leadership, working closely with program partners, clearinghouses, finance, and internal data engineering staff to maintain a reliable, auditable, and evolving claims process for non-traditional Medicaid services including but not limited to the provision of housing navigation services, recuperative care services. The Principal Information Systems Analyst (Lead Analytics Engineer, EDI Claims Integration) serves as the HSH technical lead for transforming data on homelessness services into Medicaid claims and managing the end-to-end Electronic Data Interchange (EDI) workflow for claims billing.

30+ days ago

Sr Principal Mechanical Engineer Samson Rose

El Segundo, California

The company is looking for engineers who bring deep technical expertise but also understand the realities of deploying hardware in demanding operational environments—engineers who can identify what they don't know, learn from real-world integration challenges, and make sound engineering decisions under uncertainty. The role offers exposure to system architecture, mechanical design, hardware integration, environmental qualification, supplier development, testing, and production , with the opportunity to influence both current programs and the engineering practices used on future platforms.

30+ days ago

MEP Design Principal Nenni and Associates

Long Beach, California

This is a high-impact position with visibility across projects, clients, and executive leadership; ideal for someone who wants to influence not just design, but the direction of a growing performance-driven practice. Our client is a nationally recognized, multidisciplinary engineering firm known for delivering complex, high-performance building systems across sectors including healthcare, higher education, federal, and infrastructure.

30+ days ago

Principal Devops Engineer AEG Worldwide

Los Angeles, CA

$144,487–$210,000 / year

We are committed to innovation, artistry, and community, and leverage the power of our 300+ venues, leading sports franchises, marquee music brands, integrated entertainment districts, premier ticketing platform and global sponsorship activations, to create memorable moments that give the world reason to cheer. Champion ChatOps workflows using real-time communication tools (like Slack), and perform system administration tasks including changes to user permissions, system configurations, and tuning of applications and processes in partnership with the development team.

30+ days ago

Principal Systems Engineer Science Applications International Corp

El Segundo, CA

$160,001–$200,000 / year

Our Systems Engineering & Integration (SE&I) team has an immediate need for a hybrid Principal Nuclear Detection System Engineer (USNDS) in El Segundo, CA with mission experience in space/ground systems for the management, development, and deployment of NDS systems to ensure on-time delivery of capabilities. Make a difference for national security by joining a team of dedicated professionals in El Segundo, CA who assist the US Space Force in developing and deploying the satellites and ground systems for Nuclear Detection System (NDS) capabilities.

12 days ago

High Net Worth Tax Principal Baker Tilly Virchow Krause, LLP

Pasadena, CA

Baker Tilly Advisory Group, LP and Baker Tilly US, LLP, trading as Baker Tilly, are independent members of Baker Tilly International, a worldwide network of independent accounting and business advisory firms in 141 territories, with 43,000 professionals and a combined worldwide revenue of $5.2 billion. What you will do: Lead compliance and consulting services to high-net-worth individuals, multi-generational affluent families, family offices and their private businesses and/or investment entities: Perform technical review of complex individual, partnership, S-corp, trust, estate, gift and state tax returns.

30+ days ago

Risk Advisory Services Principal Baker Tilly Virchow Krause, LLP

El Segundo, CA

Work closely with client executives and management teams to understand their businesses and assist in identifying and managing financial and operational risks within their business systems to ensure technology risks are managed: Develop in-depth knowledge of clients' businesses and industries by having direct client interaction while working on multiple aspects of an engagement. Baker Tilly Advisory Group, LP and Baker Tilly US, LLP, trading as Baker Tilly, are independent members of Baker Tilly International, a worldwide network of independent accounting and business advisory firms in 141 territories, with 43,000 professionals and a combined worldwide revenue of $5.2 billion.

30+ days ago

Principal & Sr. Electrical Engineers Newport Beach, CA ESRhealthcare and EXEC STAFF RECRUITERS

Newport Beach, California

Collaborate with our global multi-disciplinary team to define, design, build, and test new transformative ideas for our next generation of products leveraging new ideas and out-of-the-box engineering solutions. Movement and navigation sensor experience including infrared, accelerometers, gyroscopes, magnetometers, ultrasonics, LiDARs, time of flight and cameras.

30+ days ago

Principal Mechanical Engineer CHAOS Industries

El Segundo, California

$175,000–$215,000 / year

CHAOS is seeking a Principal Mechanical Engineer to provide high-value, hands-on mechanical expertise for the integration of ruggedized electronics, effectors, and mission-critical hardware into ground- and sea-mobile platforms for aerospace and defense applications. The ideal candidate has strong hands-on mechanical CAD and system integration experience, demonstrated prototyping skills, a deep understanding of ruggedized hardware design, and a proven ability to work independently and guide cross-disciplinary engineering efforts.

30+ days ago

Principal IT Security Consultant Taco Bell Corp

Irvine, CA

Strong expertise in securing cloud environments, including Identity and Access Management, cloud-native security tools, data protection, logging/monitoring, and compliance frameworks (CIS Benchmarks, ISO 27017). Global Cybersecurity team, you will serve as the primary security leader for one or more markets, acting as a strategic liaison between the business and the enterprise cybersecurity function.

30+ days ago

Principal Cybersecurity Engineer Starshield Space Exploration Technologies Corp

Hawthorne, CA

$225,000–$340,000 / year

BASIC QUALIFICATIONS: Bachelor's degree in computer science, computer engineering, computer security, or a similar field, and 7+ years of professional experience in cybersecurity for active production systems; OR 10+ years of experience in cybersecurity for active production systems. ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.

25 days ago

Principal GNC Engineer, Responsive Space (Top Secret Clearance) Impulse Space Propulsion Inc.

Redondo Beach, CA

$230,000–$270,000 / year

This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Participate in vehicle-level hardware and software design reviews and trade studies, coordinating GNC needs to cross-discipline teams.

30+ days ago

Principal Enterprise Data & AI Information Architect (Req. #6927) 2 Locations Xperi Inc

Calabasas, CA

Powering billions of consumer electronics, connected cars and digital content titles, we make entertainment more immersive, driving more intelligent and every interaction seamlessly personalized through our renowned consumer brands: DTS, HD Radio and TiVo. We are dedicated to creating a workplace where all employees have a voice and sense of belonging, feel safe and valued, and are acknowledged for how their unique differences contribute to organizational culture and business outcomes.

30+ days ago

Principal Security Engineer Microsoft Corp

$142,800–$274,800 / year

TEAM OVERVIEW: The Product Security Engineering team within the Regulated Industries Security Organization (RISO) helps secure some of Microsofts most critical and highly regulated services across Healthcare, Human Resources and Corporate, External & Legal Affairs (CELA). Required Qualifications: Masters Degree in Statistics, Mathematics, Computer Science, Risk Management, Cyber Security, or related field AND 4+ years experience in software development lifecycle, large scale computing, threat modeling, cyber security, or anomaly detection.

30+ days ago

Principal Enterprise Salesforce Platform Architect Avalara Inc

Remote

By aligning Salesforce architecture to outcomes and enterprise priorities, you will ensure the platform supports predictable revenue operations, high-quality customer experiences, and efficient, AI-enabled execution at scale. The Principal Salesforce Platform Architect defines and governs the enterprise architecture strategy for Salesforce, ensuring the platform operates as a scalable, reasonable system rather than a collection of independent implementations.

30+ days ago

Regional Principal Security Solutions Architect | Wiz/PAN/CrowdStrike (Remote) Trace3

Irvine, CA

Remote

Who is Trace3 ? Trace3 is a leading Transformative IT Authority, providing unique technology solutions and consulting services to our clients. Equipped with elite engineering and dynamic innovation, we empower IT executives and their organizations to achieve competitive advantage through a process of Integrate, Automate, Inno...

30+ days ago

Principal Animal Technician - DLAM University of California

Los Angeles, CA

$31.34–$41.36 / hour

Performs routine animal husbandry tasks including cleaning, watering, feeding, and grooming of common laboratory animals following department procedures and guidelines of the American Association of Laboratory Animal Sciences Manual for Laboratory Technicians; develops and implements proper processes, personnel training, equipment checks and maintenance, area maintenance, transportation of cages and caging accessories between buildings within campus, and serves as a backup for planned and unplanned employee absences. Knowledge of contamination‑control practices, including engineering, administrative, and procedural controls for pathogen containment; disinfection and waste‑handling methods; and work in Hazcon and biocontainment animal facilities up to BSL‑2 with BSL‑3 practices.

30+ days ago

Client Partner Senior Principal Multiple Openings | Southern California Slalom Inc

$157,000–$235,000 / year

As a Client Partner, Senior Principal, you will serve as a trusted advisor to executive stakeholders, drive strategic account growth, oversee delivery excellence, and help clients solve complex business and technology challenges. We are looking for experienced consulting leaders who have successfully balanced client delivery, account leadership, and business development responsibilities within a consulting or professional services environment.

30+ days ago

Principal Director - Civil & Commercial Launch Projects The Aerospace Corp

El Segundo, CA

$208,000–$312,000 / year

The Defense Systems Group (DSG) provides analysis-based decision support to senior leaders on space architectures, policy and strategy, technology development, warfighter capability enablers, systems integration, defense industrial base, and threat reduction to help shape existing and future space missions across the national security space (NSS) enterprise. DSG is unique at Aerospace as it not only directly supports major customers, including the U.S. Space Force, U.S. Space Command, Air Force Material Command, and senior leadership at the Pentagon, but also provides a broad range of technical support across the national space enterprise, maintaining vertical responsibilities with customers' portfolios as well as horizontal, matrixed responsibilities across the corporation.

30+ days ago

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Principal Jobs in Long Beach, CA

Space Combat Power Propulsion Principal Engineer The Aerospace Corp

Principal Information Systems Analyst - Lead EDI Developer (N387) Heluna Health

Sr Principal Mechanical Engineer Samson Rose

MEP Design Principal Nenni and Associates

Principal Devops Engineer AEG Worldwide

Principal Systems Engineer Science Applications International Corp

High Net Worth Tax Principal Baker Tilly Virchow Krause, LLP

Risk Advisory Services Principal Baker Tilly Virchow Krause, LLP

Principal & Sr. Electrical Engineers Newport Beach, CA ESRhealthcare and EXEC STAFF RECRUITERS

Principal Mechanical Engineer CHAOS Industries

Principal IT Security Consultant Taco Bell Corp

Principal Cybersecurity Engineer Starshield Space Exploration Technologies Corp

Principal GNC Engineer, Responsive Space (Top Secret Clearance) Impulse Space Propulsion Inc.

Principal Enterprise Data & AI Information Architect (Req. #6927) 2 Locations Xperi Inc

Principal Security Engineer Microsoft Corp

Principal Enterprise Salesforce Platform Architect Avalara Inc

Regional Principal Security Solutions Architect | Wiz/PAN/CrowdStrike (Remote) Trace3

Principal Animal Technician - DLAM University of California

Client Partner Senior Principal Multiple Openings | Southern California Slalom Inc

Principal Director - Civil & Commercial Launch Projects The Aerospace Corp

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