Associate RF Hardware Systems Engineer

About Eridan

Eridan connects the robots powering the physical AI era. It's how we're delivering on our mission: connect the planet to empower a sustainable, shared future. Our patented transmitter delivers the fast, reliable wireless that robots depend on, while transforming the economics of connectivity, slashing costs and energy footprint by 10x at a global scale. Beyond robotics, our private 5G networks serve campuses, cities, industry, and defense. From our headquarters in Sunnyvale to our office in Zagreb, we're a team that owns our work, speaks candidly, and moves with focus and urgency. Learn more about our mission here .

About this Job

Help design the communication technologies that connect today's robots and power the physical AI era.

We're hiring an early-career RF hardware systems engineer who wants to spend real time in the lab. You'll join our systems engineering team and work alongside senior engineers on Eridan's 5G radio products: characterizing RF performance, bringing up boards, and chasing down bugs until they're fixed.

This is a hands-on role with fast learning built in. You'll own well-defined pieces of the radio from the start, and take on more of the system as you grow.

What you'll do

• Get hands-on in the lab. Bring up new boards, run RF characterization and validation, and debug issues at the board and subsystem level.
• Contribute to the radio design. Support schematic and PCB development for RF subsystems, including transceiver chains, impedance-controlled layout, power distribution, and high-speed digital.
• Verify against the spec. Help define test plans, run measurements, and report results against system requirements for our 5G radio products.
• Work across teams. Partner with hardware, firmware, software, and Test teams to turn design decisions into clear requirements and resolve integration issues.
• Help get it to production. Support design reviews and qualification so our products are ready to manufacture at volume.
• Automate what you repeat. Write scripts to speed up lab testing and data analysis.

Minimum Qualifications

• Education: B.S. or M.S. in Electrical Engineering or a related technical field
• Experience: 2+ years of hands-on industry experience in RF hardware or RF systems engineering
• RF fundamentals: Working knowledge of RF signal chains (LNAs, PAs, mixers, filters, PLLs) and key RF performance metrics such as gain, noise figure, linearity, and EVM
• Hardware design: Experience with schematic capture and familiarity with RF PCB layout practices such as impedance control and grounding
• Lab skills: Hands-on use of RF test equipment such as spectrum analyzers, VNAs, and signal generators for board bring-up and debug
• Communication: Clear communicator who asks questions, shares findings, and works well with cross-functional teams
• Work authorization: Must be legally authorized to work in the U.S. without current or future employer sponsorship or visa transfers

Nice to Have

• Exposure to 5G or LTE radio hardware (O-RAN, small cell, or macro radio), cellular TDD/FDD systems, or 3GPP specifications
• Experience with RF simulation tools such as Keysight ADS or Cadence AWR, or Ansys HFSS/SIWave
• Scripting in Python, MATLAB, or C# for test automation and data analysis
• Understanding of communications theory
• Experience at a startup or growth-stage hardware company

Why you'll love working here

• Build the wireless technology that connects robots and powers the physical AI era, with real impact on global infrastructure
• Work where AI meets wireless, from robotics to AI-native networks (AI-RAN)
• See your work ship: on our lean team, there are no layers between your ideas and the product
• Grow your career on a team that owns its work, speaks candidly, and celebrates progress together
• Pre-IPO equity
• 401(k) with automatic match
• Health, vision, and dental insurance

Salary Range

Given our anticipated growth, we are open to hiring individuals with varying levels of experience to fill this role. Salary will be commensurate with job-related skills, experience and other relevant factors. The base salary range for the primary location of this role is between $120,000 and $145,000 plus stock options and benefits.