Senior PCB Design Engineer jobs in United States
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Castelion · 3 weeks ago

Senior PCB Design Engineer

Castelion is bringing a new approach to defense development and production, focusing on short, iterative design cycles and modern manufacturing strategies. The Senior PCB Design Engineer will lead the design and development of smart circuit boards for missile systems, collaborating with various engineering teams to ensure high-reliability systems.

AerospaceGovernmentManufacturingMilitaryNational Security
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Hiring Manager
Julee Y.
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Responsibilities

Own the end-to-end development of complex smart PCBs - from concept through production and test
Architect and design mixed-signal boards that include microcontrollers, high-speed digital interfaces (e.g., Ethernet, SPI, I2C, UART, DDR, etc.), network switches , and power management circuits
Select and integrate processors, FPGAs, memory, and network interfaces to create custom embedded compute platforms
Collaborate with firmware, software, and mechanical teams to ensure successful integration and functionality
Drive schematic capture, component selection, PCB layout, and DFM/DFT processes
Work with contract manufacturers and internal teams to manage board builds, bring-up, and validation
Define and execute bring-up and test plans, from bench to system-level

Qualification

PCB DesignEmbedded MicrocontrollersHigh-Speed InterfacesAltium DesignerSignal IntegrityPower IntegrityNetwork Switch IntegrationCreative Problem SolvingClear CommunicationHigh Initiative

Required

Bachelors or Masters degree in Electrical Engineering or related field
2+ years of experience in high-complexity PCB design and delivery
Proven track record of cradle-to-grave ownership of smart PCB systems (ideally with compute and networking functionality)
Strong experience with embedded processors or microcontrollers (ARM, RISC-V, etc.)
Strong experience with high-speed digital interfaces (Ethernet, USB, DDR, PCIe)
Strong experience with network switch integration or routing devices
Strong experience with signal integrity and power integrity considerations
Proficient in Altium Designer, OrCAD, or similar EDA tools
Familiar with board-level EMC, grounding, shielding, and thermal design
Comfortable working in a fast-paced, hardware-first environment
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

Preferred

Experience designing flight electronics or mission-critical systems (space, defense, aerospace, etc.)
Exposure to embedded systems bring-up and debugging
Experience working with test labs, EMI/EMC qualification, or environmental testing
Familiarity with FPGA/SoC design workflows

Benefits

Long-term stock incentives
Comprehensive medical, vision, and dental insurance
Four 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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