Principal Manufacturing Engineer, Radar jobs in United States
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Castelion · 20 hours ago

Principal Manufacturing Engineer, Radar

Castelion is bringing a new approach to defense development and production, focusing on modern manufacturing strategies for production at scale. They are seeking a Principal Manufacturing Engineer for their Radar development team to oversee the transition from prototype to full-scale production, architect manufacturing processes, and ensure quality and cost targets are met.

AerospaceGovernmentManufacturingMilitaryNational Security
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Hiring Manager
Andy R.
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Responsibilities

Define & Scale Manufacturing Processes
Lead R&D-to-production transition by capturing existing (yet informal) production flows, formalizing them, and architecting scalable, high-throughput processes (e.g., tooling, layout, SOPs, PFMEA). Design a greenfield production site from scratch to produce radars at scale
Production Test Equipment Selection and Implementation
Specify stations and necessary equipment for each production step—defining functional requirements, safety interlocks, interfaces, and use cases. Manage procurement and coordinate with hardware and software teams to ensure integration and deployment
Data Capture & Quality Control
Collaborate with design engineers and software teams to define what data to collect, set process control limits, and enable data capture, validation, storage, and visualization (e.g., dashboards, SPC tools)
Troubleshooting & Continuous Improvement
Provide technical support to resolve production issues, lead root-cause analysis, and drive continuous improvements in quality, cost, and throughput
Cross-Functional Collaboration & Documentation
Engage with R&D, design, test, operations, and suppliers to align manufacturing needs with design intent. Maintain up-to-date, accurate documentation for flow processes, test systems, and manufacturing specs
Mentorship & Influence
Act as the go-to expert for electronics production and test. Provide guidance to less experienced engineers and influence the company’s overall approach to electronics production

Qualification

Manufacturing EngineeringAerospace Hardware DevelopmentNPI SupportTroubleshooting Complex IssuesCross-Functional CollaborationMentoringClear CommunicationCreative Problem SolvingHigh Initiative

Required

Bachelor's degree in Mechanical, Electrical, Aerospace, Systems, or Manufacturing Engineering (or related field)
10+ years in manufacturing engineering and/or production, with significant experience in avionics, high-reliability electronics, or aerospace hardware development
Must be willing to work extended hours and/or weekends as needed
Must be able to travel up to 10%
To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State

Preferred

Proven record in supporting NPI, pilot runs, and transition to production—delivering robust and scalable manufacturing systems
Demonstrated success in troubleshooting complex build issues and driving corrective actions
Skilled at interfacing with design, systems, test, and supplier teams to close the loop on manufacturability and production readiness
Experience in regulated or defense environments
Aptitude for mentoring and influencing cross-functional teams—without direct reporting relationships

Benefits

Long-term stock incentives
Comprehensive medial, vision, and dental insurance
Three weeks of paid time off per year

Company

Castelion

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Castelion is a defense tech company that applies modern hardware development and manufacturing processes to national security challenges.

Funding

Current Stage
Growth Stage
Total Funding
$469.61M
Key Investors
Lightspeed Venture PartnersSilicon Valley BankAndreessen Horowitz
2025-12-05Series B· $350M
2025-01-29Series A· $70M
2025-01-29Debt Financing· $30M

Leadership Team

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Bryon Hargis
Founder // CEO
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Andrew Kreitz
Co-Founder and CFO
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