Rethink Recruit

Senior Tooling Engineer

Rethink Recruit  •  Torrance, CA (Onsite)  •  3 hours ago
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Job Description

About Castelion

Castelion is bringing a new approach to defense development and production: short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. The company is designing, building, and testing next-generation long-range strike weapons systems to give America and its allies a definitive edge and deter future conflicts.

The Opportunity

Castelion is looking for a Senior Tooling Engineer to own the end-to-end development of tooling for their products — from concept through implementation on the production floor. You will architect and implement innovative tooling solutions to achieve aggressive production cost, quality, and delivery targets, leading projects from requirements through validation while mentoring junior engineers and technicians.

What You’ll Do

Design and develop complex tooling systems including jigs, fixtures, molds, dies, and assembly tools for aerospace manufacturing processes

  • Create detailed tool designs in CAD and perform tolerance stack-up analysis and FEA to validate designs for durability and precision
  • Lead tooling projects from concept through production: requirements gathering, design reviews, prototyping, validation, and on-time delivery within budget
  • Collaborate with manufacturing and production teams to improve tooling efficiency, reduce cycle times, and enhance product quality
  • Ensure all tooling designs comply with aerospace industry standards such as AS9100 and NADCAP, and implement DFM principles to minimize defects and ensure repeatability
  • Partner with supply chain teams to select appropriate materials, coatings, and manufacturing methods for tooling
  • Coordinate with production teams to troubleshoot tooling issues and drive corrective actions
  • Support quality assurance teams in developing inspection criteria and validating tooling performance
  • Mentor and provide technical guidance to junior tooling engineers and technicians

You Should Have

  • 5+ years of experience in tooling design and development
  • Bachelor’s degree in Mechanical, Electrical, or Manufacturing Engineering or a related field
  • Experience with CAD-based tool design, tolerance stack-up analysis, and FEA for tooling validation
  • U.S. citizenship or permanent resident status required (ITAR)

Nice to Have

  • Proven record supporting NPI, pilot runs, and transition to production with robust, scalable manufacturing systems
  • Experience troubleshooting complex build issues and driving corrective actions to closure
  • Background working in regulated or defense environments
  • Experience interfacing with design, systems, test, and supplier teams on manufacturability and production readiness

Compensation and Benefits

Base Salary: $140,000 - $230,000, depending on experience, plus long-term stock incentives for all employees.

Benefits include comprehensive medical, vision, and dental insurance, and four weeks of paid time off per year.

Rethink Recruit

About Rethink Recruit

At Rethink Recruit, we bring a mix of old-school work ethic with a modern approach to recruitment. Our competitive edge comes from our niche focus on Autonomous Driving, EVs, AI, Robotics, Blockchain (FinTech), and the ability to adapt to new and emerging technologies.

For our clients - it allows them to tap into our talent pool of tens of thousands of pre-qualified, industry and skill-specific candidates with whom we have developed close working relationships over the past decade.

For our candidates - it allows them to spend less time on their job search by engaging with more industry-specific companies and more skill-specific jobs.

We believe that any agency can find marginal success by deploying a host of modern technologies and recruitment tools for outreach ($$$). Yet, what separates the good agencies from the great is how relevant their outreach is and how well they utilize their tools. We help bridge that gap by harnessing the power of modern technology to build long-standing relationships with thousands of diverse and incredibly talented people.

We care about what we do and the people we work with. Coupled with our high-level understanding of the technology and its applications, we stay at the forefront of the current market trends. So whether you are a candidate seeking a new role or a company looking to retain talent, please reach out to us, and we will look forward to working with you!

Industry
HR & Recruiting
Company Size
1-10 employees
Headquarters
Los Angeles, CA
Year Founded
2020
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