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Aerospace

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Castelion

Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus, ownership, and excellence are decisive advantages - and we're building a world-class team to turn bold ideas into real capability.

This is a rare opportunity to join at an early stage, where you'll have significant ownership, collaborate with exceptional teammates, and make a direct, measurable impact on our mission and the future of the company - regardless of your function.

## Senior Technical Sourcer (Contract)

**Location:** Torrance, CA

**Role Overview**

Castelion is seeking an experienced Senior Technical Sourcer (Contract) to help identify, engage, and pipeline top talent for rapidly growing hardware and technology teams. This is a contract role supporting high-impact hiring initiatives across engineering, manufacturing, and corporate functions. While onsite at our Torrance, CA headquarters is preferred, we are open to hybrid or remote arrangements for the right candidate.

You will work closely with recruiters, hiring managers, and HR leadership to source and attract candidates in highly competitive markets. Success in this role requires experience in hardware companies or high-growth startup environments, as well as creativity, persistence, and the ability to quickly understand specialized technical skill sets.

**Work Arrangement**

This role is flexible with a preference for onsite support at our Torrance, CA headquarters, though hybrid arrangements are possible. This is a 6-month contract with the potential to extend based on performance. High-performing contractors may also be considered for full-time opportunities.

**Responsibilities**

- Conduct targeted sourcing to identify qualified candidates for hard-to-fill engineering, hardware, and corporate roles
- Utilize LinkedIn, GitHub, personal networks, industry forums, and other platforms to engage passive talent
- Partner with recruiters and hiring managers to understand role requirements and key candidate attributes
- Maintain organized candidate pipelines and provide regular updates to the recruiting team
- Support outreach campaigns and initial candidate engagement, including phone/email touchpoints
- Contribute to employer branding initiatives by highlighting Castelion's mission, culture, and growth opportunities
- Track sourcing metrics and provide insights to improve strategies and outcomes

**Basic Qualifications**

- 3+ years of recruiting or sourcing experience, preferably in hardware companies, defense, or high-growth startup environments
- Strong experience leveraging LinkedIn Recruiter and other sourcing tools
- Excellent research, organizational, and communication skills
- Proven ability to identify and engage passive candidates
- Comfortable operating in a fast-paced, high-growth environment

**Preferred Skills and Experience**

- Familiarity with technical roles such as mechanical, electrical, or software engineering
- Experience supporting recruiting for scaling hardware teams in early-stage startups
- Strong understanding of the candidate market, competitive landscape, and sourcing best practices
- Ability to craft compelling messaging for passive candidates

**Benefits**

Castelion offers a generous benefits package. Please refer to the Careers page for more details.

Scaling an A+ Team | Engineers Wanted: Get Your Hands Dirty, See Your Work Fly in Weeks (Not Years) | Design it. Build it. Test it. Then watch it fly Mach 5+ hypersonic. Pure awesome.

Nicholas Sparks

Sr. Technical Recruiter

HR Leader | Startup Experience | Data-Driven & People-Centered

Arielle Huizar

Human Resources Manager

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Melissa Hitch

Senior Human Resources Generalist

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Senior Technical Recruiter

Castelion is seeking a Senior Technical Sourcer for a 6-month contract to support hiring initiatives across engineering, manufacturing, and corporate functions. The role is flexible with hybrid or remote arrangements possible.

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