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Castelion · 12 hours ago

PCB Layout Engineer

Torrance, CA

Full-time

Onsite

Senior Level

5+ years exp

Castelion is redefining defense development through rapid iteration and modern commercial manufacturing at scale. As a PCB Layout Engineer, you will independently own the layout and release of complex avionics printed circuit boards for hypersonic missile systems, collaborating with various engineering teams to deliver flight-worthy hardware on aggressive schedules.

AerospaceGovernmentManufacturingMilitaryNational Security

No H1B

U.S. Citizen Only

Hiring Manager

Julee Y.

Responsibilities

Own PCB layout from initial placement through fabrication and assembly release for complex avionics hardware

Translate schematic intent and system requirements into robust, manufacturable PCB layouts

Drive component placement, stack-up definition, routing strategy, and constraint management across analog, digital, RF, and power domains

Lead PCB DFM/DFA reviews with fabrication and assembly vendors; close manufacturing issues through release

Develop and maintain PCB fabrication and assembly packages (Gerber/ODB++, BOMs, drawings)

Interface directly with board houses to select materials, stack-ups, impedance targets, and DFX rules

Ensure designs meet IPC Class 3/3A and Castelion internal design standards

Maintain and expand the PCB component library; contribute to company-wide layout standards and best practices

Support signal integrity, power integrity, and EMI-focused layout trade studies

Collaborate with electrical, mechanical, systems, and software engineers through integration, test, and qualification

Support rapid iteration cycles and hardware re-spins in a fast-paced development environment

Provide technical guidance to junior PCB designers and review peer layouts

Communicate clearly across disciplines and sites to keep hardware on schedule

Qualification

PCB layoutAltiumSignal integrityIPC Class 3/3AMechanical CAD toolsHigh-density PCBsPCB fabrication processesEMI/EMC mitigationProblem-solving skillsAttention to detailMentoringClear communication

Required

5 – 8+ years of experience in PCB layout and electronics hardware development

Strong proficiency with Altium (preferred) or equivalent professional PCB layout tools

Experience using mechanical CAD tools such as NX or SolidWorks for ECAD–MCAD coordination

Proven experience taking complex PCBs from concept through production release

Experience designing high-density, multi-layer PCBs (typically 10–20+ layers)

Solid understanding of signal integrity, power distribution, grounding, EMI/EMC, and thermal considerations

Experience designing to IPC Class 3 / 3A requirements

Knowledge of PCB fabrication processes, materials, stack-ups, and manufacturing constraints

Experience working directly with PCB fabrication and assembly vendors

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

Ability to operate effectively in highly cross-functional engineering teams

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

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

Experience in aerospace, missile systems, spaceflight, defense, or other high-reliability hardware environments

Hands-on experience with boards containing: Microcontrollers, DSPs, FPGAs, or ASICs; High-speed digital interfaces (DDR3/4, SerDes, ADC/DACs); Power management and sensor interfaces; RF and mixed-signal circuitry

Familiarity with signal and power integrity tools (e.g., SiWave, HFSS, ADS, CST)

Experience supporting EMI/EMC mitigation through layout techniques

Familiarity with relevant industry standards (e.g., MIL-STD, DO-254)

Experience supporting hardware through environmental testing and qualification

Ability to mentor junior engineers and elevate team layout quality