Cellular RF Transmitter Systems Engineer - Waltham, United States
Originally posted 3 September 2026 by the employer — open 16 days.
About the role
This role is for a Cellular RF Transmitter Systems Engineer to contribute to upcoming products. You will join the RF Transmitter Systems Engineering team to assess, specify, and drive transmitter concepts.
What you'll do
- Work with other architecture and systems engineering teams.
- Collaborate with RF design teams and SW teams.
- Assess, specify, and drive transmitter concepts.
- Focus on performance and quality for differentiating products.
What you'll need
- Knowledge of cellular radio/3GPP standards (GSM, UMTS, LTE, LTE-A, 5G NR), including RF aspects and system use cases and TX waveforms.
- Familiarity with RF systems and transceiver architecture.
- Understanding of lineup design and component-level trade-offs (e.g. gain, linearity, noise, power, thermal).
- Bachelor's degree.
Nice to have
- Ph.D. in Electrical Engineering or equivalent.
- Expertise in transmitter system-level concepts and control procedures like power control, digital predistortion, envelope tracking.
- Background in digital signal processing.
- Understanding of SoC integration constraints and multi-chip RF architectures.
- Theoretical grounding and hands-on experience with classical machine learning techniques applied to regression and classification problems.
- Theoretical understanding and hands-on experience with neural networks for regression and classification problems.
- Practical experience across supervised, unsupervised, and reinforcement learning.
Skills: cellular RF transmitter, 3GPP standards, RF systems, transceiver architecture, lineup design
This role has been open 16 days — well below the 40-day median for RF/Wireless Engineering roles.
RF/Wireless Engineering · RF Frontend
|
Open roles in category
257
|
Median days open
40 d
|
Median salary
$165k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Apple | All employers we track in this specialty (257 roles · 34 employers) |
|---|---|---|
| Open roles in this specialty | 20 | 257 |
| Open roles in the wider Analog & Mixed-Signal family | 32 | 1337 · 105 employers |
| Median days open | 17 d | 40 d (−23 d vs this employer) |
| Median salary (USD postings) | — | $165k |
Skills observed across this category: cellular RF transmitter, 3GPP standards, RF systems, transceiver architecture, lineup design
Who's hiring in this category
- QORVO · 47 open roles · median 32 d
- Skyworks · 36 open roles · median 29 d
- Qualcomm · 26 open roles · median 58 d
- Keysight Technologies · 23 open roles · median 172 d
- Apple (this employer) · 20 open roles · median 17 d
- Analog Devices · 12 open roles · median 42 d
How we counted: 257 open RF/Wireless Engineering (RF Frontend) roles from 34 employers tracked in the SemiconductorJobs index, counted 20 Sept 2026. Specialty figures count only roles carrying this exact specialty label, so an employer's related work in neighbouring specialties is not included there — it is counted in the wider Analog & Mixed-Signal family row. Figures refresh nightly.