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Castelion · 17 hours ago

PCB Librarian

Torrance, CA

Full-time

Onsite

Senior Level

5+ years exp

Castelion is redefining defense development through rapid iteration and modern commercial manufacturing. The PCB Librarian will manage and curate PCB component libraries, ensuring accuracy and compliance for integration into avionics systems while collaborating with various engineering teams to enable high-quality hardware development.

AerospaceGovernmentManufacturingMilitaryNational Security

No H1B

U.S. Citizen Only

Hiring Manager

Julee Y.

Responsibilities

Own the creation, maintenance, and standardization of PCB component libraries (symbols, footprints, 3D models, and metadata) for avionics hardware

Ensure libraries are accurate, manufacturable, and compliant with IPC Class 3/3A and Castelion internal standards

Collaborate with PCB layout and electrical engineers to translate schematic intent into reliable, reusable library components

Maintain and version-control library data, ensuring proper documentation and traceability for production release

Interface with vendors to confirm part specifications, availability, and manufacturability

Review new component requests and validate footprints, 3D models, and pin assignments

Support high-density, multi-layer PCB designs through accurate component representation and layout constraints

Enable rapid iteration cycles by providing verified, production-ready library components for design re-spins

Mentor junior engineers on library best practices, IPC standards, and DFM considerations

Collaborate across electrical, mechanical, systems, and manufacturing teams to ensure library and design alignment

Contribute to continuous improvement of Castelion's PCB library standards, processes, and tools

Qualification

AltiumPCB designIPC Class 3/3AComponent managementHigh-density PCB designSignal integrityProblem-solvingAttention to detailCross-functional collaborationMentoring

Required

5+ years of experience in PCB design, component management, or electronics hardware development

Strong proficiency in Altium (preferred) or equivalent professional PCB design tools

Experience managing component libraries, including symbols, footprints, 3D models, and metadata

Solid understanding of high-density, multi-layer PCB design practices

Familiarity with signal integrity, power distribution, grounding, EMI/EMC, and thermal considerations

Knowledge of PCB fabrication, assembly processes, materials, and manufacturing constraints

Experience supporting IPC Class 3 / 3A designs

Strong attention to detail, problem-solving skills, and ownership mindset

Ability to work effectively in cross-functional engineering teams and communicate across disciplines

Willingness to support extended hours or weekend work during critical integration, test, and flight milestones

Bias to Action and Creative Problem Solving

High Commitment, High Initiative

Clear Communicator

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