Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantage…
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Support Coordinator II - Torrance Beach Cities Orthopedics Clinic - Full Time 8 Hour Days (Non-Exempt) (Non-Union)
Torrance, California, United States · On-site
$26/hr–$41/hr
Mid level$5M raised
Support Coordinator II serves as an intermediate-level support coordinator. As a part of the Ambulatory clinic, provides smooth outpatient flow resulting in optimum patient satisfaction and clinic operation. Responsible …
Support Coordinator II - Torrance Beach Cities Orthopedics Clinic - Full Time 8 Hour Days (Non-Exempt) (Non-Union)
Torrance, California, United States · On-site
$26/hr–$41/hr
Mid level$5M raised
Support Coordinator II serves as an intermediate-level support coordinator. As a part of the Ambulatory clinic, provides smooth outpatient flow resulting in optimum patient satisfaction and clinic operation. Responsible …
Support Coordinator II - Torrance Beach Cities Orthopedics Clinic - Full Time 8 Hour Days (Non-Exempt) (Non-Union)
Torrance, California, United States · On-site
$26/hr–$41/hr
Mid level$5M raised
Support Coordinator II serves as an intermediate-level support coordinator. As a part of the Ambulatory clinic, provides smooth outpatient flow resulting in optimum patient satisfaction and clinic operation. Responsible …
Support Coordinator II - Torrance Beach Cities Orthopedics Clinic - Full Time 8 Hour Days (Non-Exempt) (Non-Union)
Torrance, California, United States · On-site
$26/hr–$41/hr
Mid level$5M raised
Support Coordinator II serves as an intermediate-level support coordinator. As a part of the Ambulatory clinic, provides smooth outpatient flow resulting in optimum patient satisfaction and clinic operation. Responsible …
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Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantage…
Skills: Design for Manufacture, Root Cause Analysis, Corrective Action, Statistical Process Control, Measurement Systems Analysis
Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantage…
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Torrance, California, United States · Remote Solely
Senior+
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Torrance, California, United States · Remote Solely
Senior
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Nurse Practitioner/Physician Assistant - Optum CA - Torrance
Torrance, California, United States · On-site
$110k–$164k/yr
Entry level$7.6B raised
Optum CA is seeking a Nurse Practitioner/Physician Assistant to join our team in Torrance, CA. The clinicians we seek are those who practice medicine with a focus on patient care, not volume. We want our clinicians to ta…
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Full-time
bachelor degree, postgraduate degree
Long-term Equity, Paid Time Off, Company-paid Holidays, Medical Insurance, Dental Insurance, Vision Insurance
Posted 59d ago
~40 hrs/week
Responsibilities
Design and deliver high-performance mechanical actuation systems and control surface mechanisms for hypersonic strike vehicles. Lead the architecture and validation of gear trains and linkages while collaborating with multidisciplinary teams to ensure seamless vehicle integration.
Requirements
Requires a degree in Mechanical Engineering and 5+ years of experience in aerospace mechanism design and electromechanical actuators. Proficiency in CAD and analysis tools, along with the ability to obtain a U.S. security clearance, is essential.
Full job description
Why Castelion, Why Now
Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantages - and we are building a team that can deliver real capability, not just concepts.
This is a rare opportunity to join at an early stage, where your work will directly shape critical systems, influence major technical decisions, and have immediate, real-world impact.
Senior Mechanisms Engineer
We are seeking a Senior Mechanisms Engineer to design and deliver high-performance mechanical actuation systems for Castelion's long-range hypersonic strike vehicles. This role is critical to enabling precise and reliable control surface motion and deployment mechanisms under extreme flight conditions. You will work hands-on with multidisciplinary engineering teams to design, analyze, build, and validate mechanisms such as elevon drive trains and related actuation systems in a fast-paced, hardware-driven environment.
Responsibilities
Design and develop mechanical actuation systems, including elevon drive trains and control surface mechanisms, for high-speed flight vehicles
Lead the architecture and detailed design of mechanisms, including gear trains, linkages, bearings, and structural components
Perform analysis of loads, stresses, deflections, and dynamic behavior to ensure performance and reliability under extreme environments
Work closely with control electronics, GNC, avionics, and structures teams to ensure seamless integration of mechanisms with vehicle systems
Conduct tolerance analysis, lubrication strategy development, and life/reliability assessments for high-duty-cycle systems
Support prototyping, assembly, and hardware bring-up, including troubleshooting and root cause analysis of mechanism performance issues
Define and execute qualification and environmental test plans, including vibration, thermal, and shock testing
Optimize designs for mass, stiffness, reliability, and manufacturability
Mentor junior engineers and contribute to best practices in mechanism design and analysis
Partner closely with program leadership to make technical trades aligned with mission success
Basic Qualifications
Bachelor's, Master's, or PhD in Mechanical Engineering or related field
5+ years of experience in mechanism design, analysis, and validation for aerospace or high-performance mechanical systems
Strong background in gear trains, actuation systems, and precision mechanical design
Experience designing electromechanical actuators (EMAs) for aerospace or similarly demanding applications
Familiarity with motor-driven actuation systems, including motor selection, gear reduction, torque transmission, and position feedback mechanisms
Experience designing control surface drive systems or similar high-load, high-reliability mechanisms
Proficiency in CAD and analysis tools (e.g., NX, SolidWorks, ANSYS, or equivalent)
Experience with structural analysis, fatigue/life assessment, and tolerance stack-up analysis
Familiarity with high-temperature materials, lubrication strategies, and operation in extreme environments
Experience with hardware build, test, and troubleshooting in a lab or flight hardware environment
Strong problem-solving mindset, thriving in a fast-paced, hardware-rich, high flight cadence environment
Other Duties
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.
Benefits And Perks
All full-time employees are granted meaningful long-term equity, sharing in the company's significant growth trajectory. We offer four (4) weeks of paid time off, ten (10) company-paid holidays, and comprehensive health benefits - including 100% employee-covered medical and strong dependent coverage, along with dental and vision plans. We also provide paid parental leave to support growing families, a $100 monthly fitness stipend to promote health and performance, and onsite EV charging for convenience. In addition, employees enjoy perks like catered meals, company-covered food during high-demand periods, and a fully stocked kitchen to stay fueled throughout the day.
While this position does not currently require a U.S government-issued security clearance, it may in the near future. Therefore, the ability to obtain and maintain a U.S. government–issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
Affirmative Action/EEO Statement
Employment with Castelion is governed on the basis of competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.