Principal GNC Engineer, Responsive Space (Top Secret Clearance) Impulse SpacePrincipal GNC Engineer, Responsive Space (Top Secret Clearance)Redondo Beach, CA$230,000–$270,000 / yearThis 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.
Tax Principal UHYTax PrincipalIrvine, CaliforniaYour extensive experience in tax advisory, team leadership, and business development will play a pivotal role in elevating our firm's reputation as a premier tax service provider. UHY is one of the nation’s largest professional services firms providing audit, tax, consulting and advisory services to clients primarily in the dynamic middle market.
Principal AI Engineer – Agentic AI / Generative AI | Irvine, CA (Hybrid) | Contract to Hire | AS Central Business SolutionsPrincipal AI Engineer – Agentic AI / Generative AI | Irvine, CA (Hybrid) | Contract to Hire | ASIrvine, CaliforniaThis role requires a highly experienced AI engineer with deep expertise in Large Language Models (LLMs), AI Agents, Multi-Agent Systems, Retrieval-Augmented Generation (RAG), and cloud-native AI architectures. You will drive the architecture, development, deployment, and optimization of intelligent AI agents that automate complex business workflows, power enterprise copilots, and integrate seamlessly with enterprise platforms.
Federal Compliance Analyst, Principal Orange County Transportation AuthorityFederal Compliance Analyst, PrincipalOrange, CaliforniaBachelor’s degree in Planning, Finance, Public Administration, Business Administration, Management, Political Science, Law, or a related field, or equivalent combination of education and experience. Minimum five (5) years of related experience in compliance, grants administration, auditing, regulatory affairs, public administration, or a related field.
Principal, Capital Markets and Strategy Harbinger MotorsPrincipal, Capital Markets and StrategyGarden Grove, CaliforniaHarbinger may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law. Harbinger may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our HR, legal, and finance teams, and the team(s) with the position(s) for which you are applying; (ii) Harbinger affiliates; and (iii) Harbinger’s service providers, including providers of background checks, staffing services, and cloud services.
Senior/Principal Mission Software Engineer HermeusSenior/Principal Mission Software EngineerLos Angeles, CA$128,250–$156,750 / yearAbout The Role: The Mission Systems Engineering team develops the Mission Management System-the software platform connecting mission subsystems, autonomy services, operator interfaces, communications links, and telemetry across Hermeus aircraft and ground systems. Preferred Skills and Experience: Experience with mission systems, command-and-control software, mission planning, ground-control systems, autonomy platforms, or operator-facing applications.
Private Equity Principal Soul Equity SolutionsPrivate Equity PrincipalLos Angeles, CaliforniaThis is a newly formed lower middle market private equity firm raising its debut institutional fund, targeting roughly $200 million to pursue special situations: flexible, opportunistic capital deployed into distressed and stressed businesses, rescue and event-driven financings, and complex or illiquid situations that traditional buyout and credit funds tend to pass over. Source, evaluate, and lead execution of special situations investments: distressed and stressed businesses, rescue and opportunistic financings, event-driven opportunities (M&A transitions, carve-outs, litigation or regulatory-driven situations), and complex or illiquid assets.
Principal Power Electronics Engineer Long WallPrincipal Power Electronics EngineerLong Beach, California$168,900–$256,900 / yearYou will have the opportunity to be a key member of a small team of mechanical, fluid, and electrical engineers working to develop innovative deployable launch solutions that enable the rapid deployment of Long Wall launch and test systems. 5+ years of electronic product experience designing hardware from concept through production; strong emphasis on full life cycle development of new hardware products and not small incremental updates to legacy hardware.
Principal Mechanical Engineer Salient MotionPrincipal Mechanical EngineerTorrance, California$200,000–$230,000 / yearRequirements Architecture: Translate high-level, ambiguous mission needs into actionable functional and operational requirements for complex electromechanical systems, including spacecraft structures, docking and release mechanisms, robotic arm systems, and military-grade ground support hardware. Cross-Functional Leadership: Act as a technical anchor across the organization, guiding integration efforts, supporting multidisciplinary teams through complex system testing, and authoring test plans, procedures, proposals, and associated program documentation.
Principal Data Engineer – AWS Cloud | Irvine, CA | 100% Onsite | Long Term Contract - AS Central Business SolutionsPrincipal Data Engineer – AWS Cloud | Irvine, CA | 100% Onsite | Long Term Contract - ASIrvine, CaliforniaThis is a hands-on engineering role requiring strong coding skills, cloud architecture knowledge, and experience working with large-scale data processing systems. We are seeking a highly skilled Senior Data Engineer with deep expertise in AWS Cloud to join a high-performing engineering team in Irvine, CA.
Principal, Capital Markets And Strategy Harbinger MotorsPrincipal, Capital Markets And StrategyGarden Grove, CA$140,000–$150,000 / yearHarbinger may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law. Harbinger may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our HR, legal, and finance teams, and the team(s) with the position(s) for which you are applying; (ii) Harbinger affiliates; and (iii) Harbinger's service providers, including providers of background checks, staffing services, and cloud services.
Principal Technical Director, AI-Enabled Spectrum Dominance Voyager TechnologiesPrincipal Technical Director, AI-Enabled Spectrum DominanceLos Angeles, Washington$225,000–$300,000 / yearArchitect complete RF systems bridging DSP algorithms, software-defined radio (SDR) hardware, FPGA/SoC platforms, and high-level mission software, ensuring seamless integration across the entire signal chain for both space and ground segments. We are seeking a Principal Technical Director, AI-Enabled Spectrum Dominance to serve as the senior technical leader for our advanced RF systems, software, algorithms, and agentic AI portfolio as applied to space-based and terrestrial electromagnetic warfare and sensing.
Pipeline / Instrumentation & Controls Principal Engineer E2 Consulting Engineers, Inc.Pipeline / Instrumentation & Controls Principal EngineerLos Angeles, California$140,000–$180,000 / yearFull timeAbout the Organization: E2 Consulting Engineers, LP (E2) is a professional services firm established in 1988 specializing in a full spectrum of engineering services including, project engineering and design, federal base operations and infrastructure support services, gas pipeline construction and inspection services, environmental consulting and remediation, and information technology services. Prepare designs involving pressure, flow, and temperature transmitters; gas detection equipment; remote control valves; control valves; flow meters; pressure regulators; programmable logic controllers; remote terminal units; control panels; and communications equipment.
Title: Principal AI Engineer – Agentic AI | Contract to Hire | Irvine, CA (Hybrid) | AS Central Business SolutionsTitle: Principal AI Engineer – Agentic AI | Contract to Hire | Irvine, CA (Hybrid) | ASIrvine, CaliforniaThe ideal candidate will have strong experience building LLM-powered applications, AI agents, RAG solutions, tool-calling workflows, and data-grounded AI systems, with a strong focus on accuracy, trust, scalability, and production readiness. We are seeking a Senior/Principal AI Engineer to design and build production-grade Agentic AI and Generative AI applications that enable Client's executives to interact with operational data through a conversational interface.
Principal Build Reliability Engineer Castelion CorporationPrincipal Build Reliability EngineerTorrance, CaliforniaHands-on development of design for manufacturability through ensuring identification of key characteristics, prototype testing for manufacturability, First Article and Detailed Inspection planning, evaluation of previous non-conformances and lessons learned, and other manufacturing and quality tools as required. Participating in Preliminary Design Review (PDR) / Critical Design Review (CDR) to ensure design for quality (DFQ), design for manufacturability (DFM), risk quantification and mitigation, and that appropriate test validation methods and inspection techniques, including nondestructive evaluation methods, have been considered.
Principal Data Engineer (Python, AWS, Redshift, EMR, Airflow, Databricks, Big data) | Contract to Hire | Irvine, CA (Hybrid) | Central Business SolutionsPrincipal Data Engineer (Python, AWS, Redshift, EMR, Airflow, Databricks, Big data) | Contract to Hire | Irvine, CA (Hybrid) |Irvine, CaliforniaLead the creation of data environments and/or data sets to serve a wide range of data users, including but not limited to Data Scientists, Data Analysts, Business Analysts etc. Expertise with programming languages - Python (required), Scala, Ruby, R Database technologies - SQL, performance tuning concepts, AWS RDS, RedShift, MySQL.
Principal Data Scientist, Pricing UP.LabsPrincipal Data Scientist, PricingLos Angeles, CaliforniaThis is a rare chance to work alongside a market leader with unmatched freight data depth, tackling pricing problems that have plagued carriers, brokers, and shippers for decades. About the Role We're partnering with one of the largest freight and logistics companies in North America to reinvent how the trucking industry prices, bids, and captures value.
Principal GNC Engineer OutpostPrincipal GNC EngineerLos Angeles, CAGetting mass from orbit to a precise point on the ground is a GNC problem end to end: a deorbit burn that has to hit an entry corridor, a hypersonic entry that has to bleed energy inside structural and thermal limits, and a guided descent that has to land on a target, repeatably, and cheaply enough to do it often. Implement control of aerodynamically unstable or marginally stable vehicles, gain scheduling and robust control across wide Mach and dynamic pressure ranges, actuator and effector allocation, autonomous mode sequencing and abort logic.
Principal Welding Engineer Impulse SpacePrincipal Welding EngineerRedondo Beach, CA$190,000–$225,000 / yearAs a Principal Weld Engineer at Impulse you will help develop, qualify and optimize welding designs and processes with both laser beam, gas tungsten arc welding, friction stir welding, and orbital tube welding. Develop, optimize, and qualify weld processes and parameters for multiple welding processes including but not limited to: laser beam welding, friction stir welding, gas tungsten arc welding, orbital tube welding.
Principal Manager - Systems Innovation SuperbTech,Inc.Principal Manager - Systems InnovationRosemead, CAAs a trusted technical and strategic leader, you will partner across engineering, operations, IT, and regulatory teams to translate innovation into scalable, real-world outcomes that advance reliability, affordability, and system performance. In this role, you will lead the development and adoption of next-generation grid capabilities, identifying where new technologies can deliver the greatest value and defining strategies to integrate them into long-term system planning.