Castelion · 22 hours ago
Manufacturing Engineer, PCBA
Torrance, CA
Full-time
Onsite
Mid Level
3+ years expCastelion is bringing a new approach to defense development and production, focusing on modern commercial manufacturing strategies for production at scale. The Manufacturing Engineer role involves driving the development and implementation of manufacturing processes for printed circuit board assemblies (PCBA) and complex electronics hardware, supporting both in-house and supplier assembly, validation, and qualification.
AerospaceGovernmentManufacturingMilitaryNational Security
No H1B
U.S. Citizen OnlyHiring Manager
Andy R.
Responsibilities
Create and maintain work instructions, bill of materials (BOM/MBOM), assembly and test procedures, fixture/tooling spec sheets, and process flows for production and prototype builds
Partner with supply chain to establish process capability, define quality/test criteria, and qualify vendor lines for production builds
Support design reviews with focus on design for manufacturability (DFM), design for test (DFT), and supplier handoff readiness
Facilitate risk analysis and manufacturing readiness reviews (MRRs)
Develop functional and environmental test plans for PCBA, including test fixture development, automated test systems including HALT/HASS, and test data analysis
Drive yield improvement, throughput gains, defect reduction, and cost optimization through Lean and CI methodologies
Qualification
Required
Bachelors degree in mechanical, Electrical, Manufacturing, or related Engineering discipline
3+ years of experience in electronics manufacturing engineering with emphasis on PCBA, SMT processes, board test, and validation
Hands-on experience developing production processes for PCB assembly and test
Strong problem-solving skills and electrophysical troubleshooting ability
Excellent written and verbal communication skills
Must be authorized to work in the U.S. and comply with ITAR eligibility requirements
Benefits
Long-term stock incentives
Comprehensive medical, vision, and dental insurance
Four weeks of paid time off per year
Company
Castelion
Castelion is a defense tech company that applies modern hardware development and manufacturing processes to national security challenges.
51-200 employees
Funding
Current Stage
Growth StageTotal Funding
$469.61MKey Investors
Lightspeed Venture PartnersSilicon Valley BankAndreessen Horowitz
2025-12-05Series B· $350M
2025-01-29Series A· $70M
2025-01-29Debt Financing· $30M
Leadership Team
Bryon Hargis
Founder // CEO
Andrew Kreitz
Co-Founder and CFO
Recent News
alleywatch.com
2026-01-23
Company data provided by crunchbase