C

Castelion

Designs and manufactures hypersonic strike weapons

PCB Layout Engineer

Board & Electronics DesignConfirmed live in the last 24 hours
Full-timeNo salary listedIn-person

About the Job

Requirements

  • Five to eight or more years of experience in PCB layout and electronics hardware development.
  • Strong proficiency with Altium or equivalent professional PCB layout tools.
  • Experience using mechanical computer-aided design tools such as NX or SolidWorks for electronic computer-aided design–mechanical computer-aided design coordination.
  • Proven experience taking complex printed circuit boards from concept through production release.
  • Experience designing high-density, multilayer printed circuit boards, typically 10–20 or more layers.
  • Solid understanding of signal integrity, power distribution, grounding, electromagnetic interference/electromagnetic compatibility, and thermal considerations.
  • Experience designing to IPC Class 3/3A requirements.
  • Knowledge of printed circuit board fabrication processes, materials, stack-ups, and manufacturing constraints.
  • Experience working directly with printed circuit board fabrication and assembly vendors.
  • Ability to work effectively in cross-functional engineering teams.
  • Willingness to support extended hours or weekend work during critical integration, test, and flight milestones.
  • Ability to access applicable export-controlled information without requiring additional export licensing.

Responsibilities

  • Own printed circuit board layout from initial placement through fabrication and assembly release for complex avionics hardware.
  • Translate schematic intent and system requirements into robust, manufacturable printed circuit board layouts.
  • Drive component placement, stack-up definition, routing strategy, and constraint management across analog, digital, radio frequency, and power domains.
  • Lead printed circuit board design for manufacturing and design for assembly reviews with fabrication and assembly vendors, and close manufacturing issues through release.
  • Develop and maintain printed circuit board fabrication and assembly packages, including Gerber/ODB++, bills of materials, and drawings.
  • Interface directly with board houses to select materials, stack-ups, impedance targets, and design-for-X rules.
  • Ensure designs meet IPC Class 3/3A and company internal design standards.
  • Maintain and expand the printed circuit board component library, and contribute to company-wide layout standards and best practices.
  • Support signal integrity, power integrity, and electromagnetic interference-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 printed circuit board designers and review peer layouts.
  • Communicate across disciplines and sites to keep hardware on schedule.

Desired Qualifications

  • Experience in aerospace, missile systems, spaceflight, defense, or other high-reliability hardware environments.
  • Hands-on experience with boards containing microcontrollers, digital signal processors, field-programmable gate arrays, application-specific integrated circuits, high-speed digital interfaces such as DDR3/4, SerDes, and analog-to-digital/digital-to-analog converters, power management and sensor interfaces, or radio frequency and mixed-signal circuitry.
  • Familiarity with signal and power integrity tools such as SiWave, HFSS, ADS, or CST.
  • Experience supporting electromagnetic interference/electromagnetic compatibility mitigation through layout techniques.
  • Familiarity with relevant industry standards such as MIL-STD and DO-254.
  • Experience supporting hardware through environmental testing and qualification.
  • Ability to mentor junior engineers and improve team layout quality.

About the Company

Castelion

Designs and manufactures hypersonic strike weapons

Castelion designs, tests, and manufactures hypersonic strike weapons for the U.S. military, aiming to deter future wars with fast, credible, non-nuclear deterrence. Its flagship Blackbeard is a low-cost, mass-producible hypersonic missile compatible with HIMARS/MLRS, built in-house with solid rocket motors, propellant, and a real-time, hardware-isolated flight computer. The company uses vertical integration and a rapid test-and-iterate cycle, with frequent flight tests and Project Ranger, a 1,000-acre facility in New Mexico to scale production. It competes with traditional defense primes on speed and cost, selling under government contracts and development awards to field advanced weapons at scale.

Company size
201-500
Company stage
Series C
Total funding
$1.5B
Headquarters
Torrance, CA
Founded
2022

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