Castelion
Senior RF Systems Engineer
Allen, TX +1 · Senior · Full-time · Posted Sep 24, 2026
- Location
- Allen, TX
716 South Greenville, Suite 160, Allen, TX 75002 - Education
- Bachelor's or Master's degree in Electrical Engineering, RF Engineering, or related field.
- Visa sponsorship
- Employment is contingent on the candidate’s ability to access applicable export-controlled information without additional export licensing. If the role is designated as requiring a security clearance or other government authorization, applicable citizenship or eligibility requirements may also apply.
About the job
Leads the end-to-end design, integration, validation, and production readiness of a multi-channel RF exciter/receiver subsystem connecting RF hardware to digital baseband systems.
What you'll do
- Own subsystem architecture, RF design, integration, and production readiness, balancing performance, cost, and manufacturability.
- Model and analyze RF performance, and validate and debug designs using lab equipment.
- Coordinate with engineering teams, suppliers, and fabrication partners to improve integration, test strategies, production scalability, and cost.
What they ask for
- Bachelor's or Master's degree in Electrical Engineering, RF Engineering, or a related field.
- Experience with high-frequency RF PCB design.
- Proficiency in RF system modeling and analysis.
- Hands-on experience with RF lab equipment and testing; ability to design and analyze complex RF systems from architecture through implementation.
Nice to have
- RF system design experience including phase-noise budgeting, spur analysis, system synthesis, and performance modeling; experience with PCB fabrication houses.
- Experience with ADS, HFSS, or CST; familiarity with RF suppliers or production test strategies.
Tools
ADS, HFSS, CST
Model-written summary · the original posting is authoritative