Modem and RF System Engineer

TN United Kingdom; Irvine; On-site; GBP 60,000 - 80,000; Full time

Job summary

An established industry player is seeking a dedicated engineer to join their innovative team focused on transforming hardware technology. In this exciting role, you will leverage your extensive experience in communication systems and signal processing to contribute to groundbreaking modem systems. You will collaborate with cross-functional teams to develop advanced algorithms and RF models, ensuring high-performance standards are met. This is a unique opportunity to work on challenges that push the boundaries of technology and make a significant impact in the field. If you are passionate about innovation and eager to tackle complex problems, this position is perfect for you.

Qualifications

• 10+ years of experience in communication systems and signal processing.
• Strong knowledge of RF systems and cellular communication standards.

Responsibilities

• Collaborate on AGC development and RF modeling activities.
• Develop RF models for link-level simulations and provide optimization guidelines.

Skills

Signal Processing

Communication System Theory

RF Systems Knowledge

Cellular Communication Standards

Matlab

C/C++/Python

Analytical Skills

Lab Testing & Characterization

Teamwork

Communication Skills

Tools

Spectrum Analyzers

Signal Generators

Power Meters

Protocol Test Equipment

Job description

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Summary:
Imagine what you could do here. At Apple, new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. Bring passion and dedication to your job and there's no telling what you could accomplish. Dynamic, sensible people and inspiring, innovative technologies are the norm here. Join us to help deliver the next groundbreaking Apple product. Do you love working on challenges that no one has solved yet? Are you ready to join a team transforming hardware technology? We are searching for a dedicated engineer with 10+/- years’ experience to join our exciting team of innovators. In this role, you will be a key member of the system engineering team working on modem systems features and requirements.

Key Qualifications:

1. Deep knowledge of communication system theory and signal processing.
2. Knowledge of RF systems, RF impairment modeling and mitigation techniques (phase noise, IQ imbalance, DC offset, etc.), digital RF-front design.
3. Knowledge of cellular communication standards: 5GNR FR1/FR2, 4G LTE, 3G (HSPA), 2G GSM.
4. Experience with automatic gain control (AGC) for LTE/NR is a plus.
5. Experience with analog and digital beam forming techniques and MIMO systems.
6. Fluent in Matlab, and/or C/C++/Python for algorithm development, modeling (floating-point and fixed-point) and link-level simulation.
7. Strong analytical skills (linear algebra, random processes, detection and estimation, etc.).
8. Experience in chip bring-up including the use of lab equipment such as protocol test equipment, spectrum analyzers, signal generators, power meters, etc. is a plus.
9. Hands-on experience in lab testing & characterization is a plus.
10. Strong teamwork and communication skills.

Description:
- Collaborate across RF and modem teams (HW/FW) on AGC development and RF modeling activities.
- AGC algorithm development, modeling and bring-up.
- Develop RF models for link-level simulations, analyze/characterize the results and provide mitigation and optimization guidelines.

Additional Requirements: