> Markdown version of [/jobs/ext/1332758-design-engineer-iii](https://www.wearedevelopers.com/jobs/ext/1332758-design-engineer-iii). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Design Engineer III

- **Company:** Epic Technologies, LLC
- **Location:** Naperville, IL, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Software Debugging, Radio-Frequency Identification, Signal Integrity, Pcb Layout
- **Published:** July 18, 2026
- **Apply:** https://www.juju.com/job/00000000gh7pta

## About the Role

+ Bachelor's or Master's degree in Electrical Engineering or related field

 + 8+ years of experience in RF/microwave design

 + Strong understanding of transmission lines, impedance matching, S-parameters, and EM theory

 + Hands-on experience with RF test equipment (VNA, spectrum analyzer, power meters)

 + Experience designing multilayer RF PCBs and working with controlled impedance structures

 + Familiarity with high-frequency PCB materials and stack-up design

Preferred Qualifications

 + Experience with mmWave or high-frequency (>10 GHz) designs

 + Knowledge of hermetic and high-reliability packaging techniques

 + Experience with LTCC, hybrid circuits, or module-level RF design

 + Familiarity with military and aerospace standards (MIL-STD, IPC Class 3)

 + Experience designing for harsh environments (temperature, vibration, radiation)

Key Skills

 + RF circuit simulation and modeling

 + Signal integrity and power integrity analysis

 + PCB layout guidance for RF performance

 + Debugging and root cause analysis

 + Strong communication and customer interaction skills

## Description

+ Design and develop RF and microwave circuits including amplifiers, filters, mixers, oscillators, and antennas, + Develop RF test plans and perform lab validation using VNAs, spectrum analyzers, and signal generators

 + Collaborate with PCB layout, mechanical, and manufacturing teams to ensure design for manufacturability (DFM/DFA)

 + Interface directly with customers to define requirements, present designs, and support technical reviews


## Related Videos

- [Angular Signals: what's all the fuss about?](https://www.wearedevelopers.com/videos/684-angular-signals-what-s-all-the-fuss-about)
- [Using AI Without Losing Your Skills](https://www.wearedevelopers.com/videos/2045-using-ai-without-losing-your-skills)
- [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips)
- [Robust AIGC Provenance with Invisible Watermarking](https://www.wearedevelopers.com/videos/100222-robust-aigc-provenance-with-invisible-watermarking)
- [You’re a great coder? That alone won’t get you far: The soft skills secret in IT success](https://www.wearedevelopers.com/videos/1076-you-re-a-great-coder-that-alone-won-t-get-you-far-the-soft-skills-secret-in-it-success)
- [What I learned as a developer from accidents in space](https://www.wearedevelopers.com/videos/642-what-i-learned-as-a-developer-from-accidents-in-space)

## Related Articles

- [From developer to manager – what does it take to become an engineering manager?](https://www.wearedevelopers.com/magazine/42-from-developer-to-manager-what-does-it-take-to-become-an-engineering-manager)
- [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)
- [Top Characteristics of a Software Engineer](https://www.wearedevelopers.com/magazine/166-top-characteristics-of-a-software-engineer)
- [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)
- [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering)
- [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)