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Jr. RF Engineer

California Eastern Laboratories -
Milwaukee, WI

Apply Now

Job Details

Full-time

Qualifications

Customer communication
Email customer support
Defect resolution root cause analysis
Engineering development testing
Wireless networking
Thermal control
Electronics assembly
Communications systems expertise (engineering specialty)
Defect rate reduction
Electromagnetic theory
System design
Communication platforms
Schematic capture
Surface mount soldering
Telecommunications RF engineering
Design engineering
Prototype creation
Printed circuit board (PCB) layout
Collaborative technology platforms
Quality control problem-solving
Product design
Radio frequency (RF) testing
Technical support via email
Prototypes
Product quality failure
Electronic component selection
Email support
Failure analysis

Full Job Description

Location: Based near Milwaukee, WI
Department: Engineering
Type: Full-time
Travel: Occasional travel required for customer/design support, trade shows, and onsite debugging

About CEL

At CEL, we’re building more than wireless modules - we’re building relationships. With over 60 years of experience, we combine big-company stability with small-team agility. We’re based in Milwaukee and looking for a technically adept, customer-oriented Jr. RF Engineer to join us.

Why Join Us?

Real Impact: We’re small enough that your ideas won’t get lost in the shuffle - you’ll shape products, strategy, and success.
Collaborative Culture: Open communication, strong mentoring, and a focus on quality teamwork.
Flexibility: We trust you to manage your time and projects. Our lab is based in Milwaukee, but there may be days you can work remotely. Competitive Compensation: Base salary based on experience, with variable pay tied to performance.
Comprehensive Benefits: Enjoy the advantages of a well-established company with a startup spirit.

Junior RF Engineer

We are looking for…

A Junior RF Engineer to conceive, design, develop, and test embedded wireless modules and systems. This role focuses on hardware-based wireless products for industrial, commercial, IoT, and B2B markets. Candidates must be local to Milwaukee, WI.

This job description is a starting place. We’re a small company without rigid roles - we have plenty to do, and we’ll help you grow wherever your interests take you.

This position is a good fit if you are:

- A self-starter who adapts to change easily and takes ownership of projects - Independent, organized, self-disciplined, motivated, and eager to learn - Able to collaborate and communicate across functional teams - Effective and confident in decision-making and problem-solving - Comfortable moving quickly, breaking things responsibly, and getting hands-on in the lab - Creative with a strong desire to learn

What You Need For Success

- Excellent interpersonal skills - A demonstrated ability to work in a remote + local team environment (we use Slack, Skype, Email, etc) - Ability to analyze defects, identify root causes, and implement corrective actions - Experience with RF systems and board level design with a working knowledge of RF architecture - An understanding of concepts such as: - RF design techniques and constraints including RF matching for optimal transmitter and receiver performance. - Place and route constraints for both RF and high speed digital design - Clock distribution - Power distribution - PCB material selection, board stackup design and impedance control - Signal termination techniques - EMI control and reduction - Thermal design - CAD/CAE tools: PADS schematic capture and layout, Fusion 360, or Inventor - LabVIEW (or other automation) software development experience desired - Work with Senior RF Engineers to perform RF module/system implementation throughout a product design cycle - Hands-on soldering skills down to 0201-size chip components for prototype assembly and testing - Part selection, prototyping, factory bring-up, testing, lab bench debug, and root cause analysis - Knowledge in wireless communication standards, modulation/demodulation, Digital signal processing - Understanding RF/microwave fundamentals and Electromagnetic theory - Understanding of module building blocks, including Power Amplifiers, LNAs, RF Switches, Filters, Flash Memory, etc - Background with wireless networking protocols like ZigBee, WiFi, Bluetooth, etc - Provide support and debug capabilities to customers over call and email - Ability to maintain confidentiality

Bonus points for…

- Experience characterizing and improving wireless performance - Experience with logic analyzers, protocol analyzers, and function generators - Familiarity with protocols like I2C, UART, SPI, USB, GPIO, RS232, RS485 - Experience optimizing embedded software for wireless stacks - Familiarity with Git, software design methodology, and development processes - Experience in embedded system development using Linux, RTOS, GCC, IAR on x86, ARM, MIPS, or PPC - Experience with frameworks and build systems - Programming in one or more languages - Experience with development tools (IDEs, emulators, analyzers) and real-time debugging - Knowledge of Linux kernel development, device drivers, and board support packages - FTDI, J-Link, or other debuggers - Scripting skills (Lua, Python, Bash, Makefiles, etc.) - Experience with U-Boot, OpenWRT, or Yocto Linux

If you’re interested in joining the CEL Engineering Team, please email your resume and cover letter to [email protected]

Apply Now

Refine Your Search

Rf Software Engineer jobs

Jr. RF Engineer

Junior Software Engineer

RF Engineer

Temporary R&D Software Engineer

RF Optimization Engineer

RF Engineer

2026 Graduate - Optics & Photonics Engineer/Scientist

RF Engineer

Sr. Cellular RF Engineer, Connectivity

DAS/ RF Engineer

Simulation Software Engineer

RF Field Engineer

RF Engineer

RF Engineer-Associate Staff

Simulation Software Engineer

Quantum Computing Engineer I

RF Engineer

C++ Software Engineer

RF Simulation SW Engineer

RF Engineer

I want to receive the latest job alert for Rf Software Engineer

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About CEL

Why Join Us?

Junior RF Engineer

We are looking for…

This position is a good fit if you are:

What You Need For Success

Bonus points for…

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