Senior Engineer, RF

Job Description

Are you ready to build the next generation of play? Join the Creative Play Lab and invent ground‑breaking new play opportunities for LEGO® fans of today and tomorrow. As a senior individual contributor in our Hardware Engineering group, you’ll operate on a global scale in a newly developed team within the Play Engineering organization at the LEGO Group in Boston.

• Serve as a senior IC in requirements definition, design, verification, characterization, tuning, and certification of radio and electromagnetic subsystems in complex mechatronic toys.
• Design, simulate (COMSOL, QSPICE), prototype, characterize, and optimize NFC coils with various topologies, materials, and dimensions.
• Develop and run comprehensive test plans for design verification using equipment such as network analyzers, spectrum analyzers, signal generators, oscilloscopes, anechoic chambers, and protocol‑specific analyzers.
• Ensure products meet global radio, EMC, and immunity regulatory requirements (FCC, CE, IC, JRL, CCC, etc.) by implementing mitigation techniques, running pre‑compliance tests, and supporting final regulatory compliance efforts.
• Collaborate closely with Hardware Team members (Mechanical, Embedded Engineering, etc.) from Boston, Denmark, and Singapore to support capability growth.

The Senior RF Engineer is a key individual contributor within the Electronics Engineering function of our Hardware and Embedded Systems team, operating globally in the Creative Play Lab. You will partner with design, manufacturing, and suppliers to create NFC tag systems that are performant, cost‑effective, manufacturable, and reliable at high volumes for the LEGO SMART Play™ system.

• A passion for creatively using technology to deliver exciting play experiences to children worldwide.
• Experience in RF, electromagnetic systems, and circuit design roles that involve creating specifications, simulating, designing, characterizing hardware, performing validation, and supporting regulatory certification in high‑volume, cost‑sensitive consumer applications.
• Practical experience implementing hardware for NFC tags and readers and exposure to the underlying communication protocol.
• Hands‑on proficiency in designing, simulating, characterizing, and tuning NFC coil designs in varied topologies, form factors, and materials for performance, cost, and regulatory compliance.
• Proficiency with lab equipment such as vector network analyzers, spectrum analyzers, signal generators, current probes, oscilloscopes, anechoic chambers, and protocol‑specific testers.
• Strong organizational and written/verbal communication skills on global engineering efforts involving internal and third‑party partner companies.
• Ability to travel as necessary, roughly 15–30 days per year.

Position available at the LEGO office, Boylston St, Back Bay, Boston, or at the Global Headquarters in Billund, Denmark. Candidates may apply for either location.

Our workplace follows a flexible hybrid model with an average of three days per week in the office.

The salary range for this position is $ – $. Compensation details and benefits will be communicated upon finalisation of the employment offer.

• Family Care Leave – enhanced paid leave options.
• Insurances – life and disability insurance.
• Wellbeing – access to Headspace and wellbeing initiatives.
• Colleague Discount – generous colleague discount from day one.
• Bonus – reward through the bonus scheme when goals are met.
• Hybrid work – average of three days per week in the office.

When you join, you’ll be assigned a primary workplace location (office, store, or factory). The hybrid work policy will be discussed during recruitment.

We strive to create a diverse, dynamic, and inclusive culture of play at the LEGO Group. The LEGO Group is committed to equal employment opportunity and equal pay and seeks to encourage applicants from all backgrounds. The Group also supports children’s rights and child wellbeing. Candidates with high engagement with children will be required to undergo Child Safeguarding Background Screening. We conduct drug screening as part of our drug‑free workplace policy and for employee health and safety.