{"title": "Modem and RF System Engineer", "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\u2019 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.", "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.", "key_qualifications": "Deep-knowledge of communication system theory and signal processing. Knowledge of RF systems, RF impairment modeling and mitigation techniques (phase noise, IQ imbalance, DC offset, etc), digital RF-front design. Knowledge of cellular communication standards: 5GNR FR1/FR2, 4G LTE, 3G (HSPA), 2G GSM. Experience with automatic gain control (AGC) for LTE/NR is a plus. Experience with analog and digital beam forming techniques and MIMO systems. Fluent in Matlab, and/or C/C++/Python for algorithm development, modeling (floating-point and fixed-point) and link-level simulation. Strong analytical skills (linear algebra, random processes, detection and estimation, etc.). Experience in chip bring-up including the use of lab equipment such as protocol test equipment, spectrum. analyzers, signal generators, power meters, etc. a plus. Hands-on experience in lab testing & characterization is a plus. Strong teamwork and communication skills.", "preferred_qualifications": "", "education_experience": "BS with 10+years of relevant experience.", "additional_requirements": "", "pay_benefits": "At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $166,600 and $296,300, and your base pay will depend on your skills, qualifications, experience, and location. Apple employees also have the opportunity to become an Apple shareholder through participation in Apple\u2019s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple\u2019s Employee Stock Purchase Plan. You\u2019ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses \u2014 including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits. Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.", "company": "apple"}