Senior Principal Engineer, RF; R4491

Founded in 2015, Shield AI is a venture-backed deep-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT and X-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices and facilities across the U.S., Europe, the Middle East, and the Asia-Pacific, Shield AI’s technology actively supports operations worldwide. For more information, visit (Use the "Apply for this Job" box below).

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Are you a passionate, innovative, experienced Electrical Engineer looking to help develop state-of‑art AI hardware products? Are you eager to make a positive difference in the world? Do you want to work alongside mission‑driven and values‑focused teammates? Shield AI is just the place for you!

As a Senior Staff RF Engineer, you will provide technical leadership for the VBAT aircraft’s RF systems. In this role, you will collaborate closely with a variety of different engineering disciplines, including mechanical, systems, manufacturing, and software engineering. You will be responsible for all RF related design, integration, testing, and compliance.

• Provide technical leadership to the RF team focusing on the VBAT product line.
• Quantify and optimize RF link performance, resolve defense/interference problems.
• Define system‑level and unit‑level design requirements and features for all RF systems.
• Improve design, test, and compliance processes for the engineering org. as it related to RF.
• Define test procedures, requirements, and train operators/technicians to execute accordingly.
• Help grow the team, provide hiring input, and mentor teammates.
• Establish and enforce team processes around design, test, review, cross‑functional support, and regulatory compliance.
• Regularly communicate with the cross‑functional team regarding RF status, risks, needs, plans, etc.
• Provide technical design input/review to your team and other engineering teams.
• Proactively identify opportunities for improvement within hardware development projects, demonstrating initiative to propose and implement innovative solutions that enhance efficiency, quality, and overall project success and V‑Bat reliability.
• Other duties as assigned.

• B.S. in Electrical Engineering or equivalent experience with RF systems.
• Experience working on cross‑functional teams involving EE, ME, SW, manufacturing, production, etc.
• Experience with technical mentorship/guidance of other engineers.
• Experience leading design work on the unit level and system level.
• Experience with quantifying and improving RF sensitivity performance.
• Demonstrated track record of assuming ownership over development processes and features and delivering outstanding outcomes.
• Proven track record of successfully shipping products, showcasing the ability to navigate through development cycles, overcome obstacles, and deliver high‑quality solutions to meet project deadlines and exceed client expectations in a fast‑paced environment.

• Knowledge of antenna design and aircraft level radiation performance analysis and simulation, utilizing tools such as CST & ANSYS.
• Experience in RF and Antenna design, antenna coupling analysis for airborne V/UHF, L‑band, S‑band, GNSS, and MIL‑SAT systems.
• Demonstrated RF analysis experiences in frequency planning, RF Co‑site, Antenna Coupling, and the production of analysis report.
• Experience with EMI/EMC compliance techniques, with a particular emphasis on optimizing size, weight and power.
• Knowledge of MIL‑STD 461 and MIL‑STD 464 compliance requirements and test setups.
• RF system, subsystem and printed circuit assembly EMI/EMC simulation, test and mitigation.
• Experience working on cutting‑edge autonomous robotic systems.
• Proven background in thriving within fast‑paced environments, particularly within startup or R&D settings.
• Demonstrated adaptability, agility, and the ability to innovate under pressure to meet dynamic project demands and drive successful outcomes.

$242,000 - $320,000 a year

Full‑time regular employee offer package:
Pay within range listed + Bonus + Benefits + Equity

Temporary…