Jobs in the United States

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Added 2 mins ago
Sr. Systems Engineer - CCA
TD SYNNEX CALA, Inc.
Miramar, FL
The Sr Systems Engineer – Cybersecurity is the technical lead for the CrowdStrike brand in the CCA (Caribbean Central America) region. The role owns presales engineering and architecture…
Added 8 mins ago
A
Electrical Engineer
Actalent
Pocasset, MA
- $45 to $65 USD / hour
This Electrical Engineer role focuses on designing, integrating, and validating electrical and electromechanical systems that support advanced technologies such as autonomous underwater…
Added 12 mins ago
DO
Office Chief
Department of Transportation
CA
- $13,892 to $15,782 USD / month
…Testing Branch, Asphalt Binder and Hot Mix Asphalt Testing Lab, Aggregate Testing Branch, and the Chemical Testing…
Added 14 mins ago
Cellular Performance Engineer
Apple
Sunnyvale, CA
…surprise and delight our customers. We are seeking an experienced engineer chartered to build cellular performance labs; play a major role in the architecture, design, and enhancement of…
Added 15 mins ago
Software Engineer 1, Full-Stack
Cook Group
Bloomington, IN · Indianapolis, IN · West Lafayette, IN
LoopTech started in 2024 with a question that kept coming up: why is the distance between what AI can do in a lab and what organizations can use so wide? We set out to close it. Our goal is…
Added 16 mins ago
Senior Network Services Engineer
Oracle
Nashville, TN
-Acts as a technical liaison with the customer and internal teams to drive solutions to architect and engineer network design to meet Cloud network model and connectivity.
Added 21 mins ago
R&D Engineer 2 - 142081
UC San Diego/UC San Diego Health
San Diego, CA
…experiments. Apply engineering knowledge in support of undergraduate lab…
Added 21 mins ago
Field Service Engineer I
Thermo Fisher Scientific
Remote, United States
…Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs…
Added 21 mins ago
Staff Validation Engineer, Media Fills
Thermo Fisher Scientific
Greenville, NC
…Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs…
Added 22 mins ago
RF Engineer
Vast
Long Beach, CA
Vast is looking for a RF Engineer, reporting to the Director of RF Engineering, to support the development of the systems that will be required for the design and build of human-rated space…
Added 22 mins ago
Backend Software Engineer (Node.js) | LabArchives
Dotmatics
Remote, United States
We have a vision for a new Lab of the Future that will change the future of scientific research.
Added 26 mins ago
High Voltage Battery Thermal CAE Engineer
Ford Global
Dearborn, MI
Analyze and process vehicle and lab thermal test data from battery physical thermal testing and apply it to correlate CAE models.
Added 27 mins ago
Senior Software Engineer
Noblis
San Diego, CA
Noblis MSD is seeking a Senior Software Engineer to for our NIWC team. The selected individual will work on our Integration engineering team supporting NIWC Pacific in the software…
Added 29 mins ago
SO
Engineer
System One
Boston, MA
- $58 to $68.25 USD / hour
Write protocols, perform experiments, organize and analyze data, interpret results, record experiments in an electronic lab notebook, and summarize work in presentations and technical…
Added 29 mins ago
Lab Technician
Mariana Minerals
Moab, UT
As a Lab Technician, you'll support safe, efficient and high-quality process development studies and analytical tests. You'll work closely with R&D and engineering to build, operate and…
Added 29 mins ago
Design Release Engineer - Hard Trim
ALTEN Technology USA
Auburn Hills, MI · Troy, MI
The Interior Lighting Design and Release Engineer (DRE) – Advanced is responsible for the design, development, and release of ambient, functional, and decorative interior lighting systems.…
Added 31 mins ago
Research Engineer
CALIFORNIA INSTITUTE OF TECHNOLOGY
Pasadena, CA
The Laser Interferometer Gravitational-wave Observatory (LIGO) Laboratory seeks a highly motivated and skilled Research Engineer to join its team. LIGO Laboratory is a National Science…
Added 31 mins ago
Staff Electrical Integration Engineer, Air Dominance and Strike
Anduril Industries
Costa Mesa, CA
We are looking for an Staff Electrical Integration Engineer to join our rapidly growing team in Costa Mesa, CA. In this role, you will work closely with avionics, systems, manufacturing,…
Added 33 mins ago
Systems Engineer, Flight Instrumentation (ES4)
Amentum
Huntsville, AL
…engineering disciplines, system elements, and the Lead Systems Engineer, as well as participate in reviews, meetings, working groups, task teams, and trade studies. The candidate will…
Added 34 mins ago
Biomedical Equipment Engineer
Quest Diagnostics
Saint Louis, MO
The Biomedical Equipment Engineer (BME) is responsible for the proper operation, repair, and Preventive Maintenance (PM) carried out on all assigned equipment in the laboratory, ensuring…
Added 34 mins ago
Assoc Field Packaging Engineer
Federal Express Corporation
Collierville, TN
This position performs traditional packaging engineering responsibilities at the FedEx Packaging Lab, serving as a vital customer-facing resource while also providing hands-on laboratory…
Added 39 mins ago
Senior Scientist II- Hepatocyte and Liver Tissue Engineering
Harvard University
Boston, MA
…engineered liver tissue for the treatment of liver failure. The Chen Lab develops vascularized tissues and engineered organs by integrating stem cell engineering, biofabrication, vascular…
Added 42 mins ago
A
Quality Engineer
Actalent
Mansfield, OH
- $56.5 to $59.3 USD / hour
Job Title: Quality EngineerJob DescriptionThe Quality Engineer is responsible for developing and continuously improving systems and processes to support receiving inspection, production…
Added 46 mins ago
AS
Test Engineer II
Air Squared Manufacturing, LLC
Thornton, CO
- $82,000 to $98,000 USD / year
We are seeking a Test Engineer II to join our growing team. This role is focused on designing test stands and testing new scroll compressors and vacuum pump designs, including liquid-cooled…
Added 57 mins ago
CO
Core Research Software Engineer I - Integrated Genomics Core
Career Opportunities
La Jolla, CA
- $33 to $38 USD / hour
The Salk Institute Core Facilities are looking for a Research Software Engineer to assist in daily systems administration and operational support for the technology infrastructure that…

Apple

Cellular Performance Engineer

Sunnyvale, CA, United States

The base pay range for this role is between $150,400 and $277,600, and your base pay will depend on your skills, qualifications, experience, and location.

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Job details

Pay: The base pay range for this role is between $150,400 and $277,600, and your base pay will depend on your skills, qualifications, experience, and location.
Posting language: English
Posted: Nov 6, 2026

Original job description

Summary In the Wireless Technologies group, you will be responsible for bringing groundbreaking cellular and satellite connectivity to the world. You will design, develop, and patent the next generation of our state-of-the-art wireless technologies. You will collaborate across departments to help craft solutions that elevate the customer experience with Apple products and services. Our goal is to ensure that nothing hinders our customers’ connections with their devices. If you join us, you will help build world-renowned wireless systems so seamless that they almost feel like magic. The wireless software performance team is striving for innovative ways to utilize cellular technologies to enable new services and products that surprise and delight our customers. We are seeking an experienced engineer chartered to build cellular performance labs; play a major role in the architecture, design, and enhancement of new communication technologies and products. You will work on a team that will drive new initiatives within the company and the industry, focused on end-user experience.

Description Apple is seeking an engineer who can lead and drive characterization of wireless software performance in labs and beyond. Develop expertise in cellular systems, RF frontends, hardware, and software by benchmarking power and performance for Apple products. Act as a liaison between technology and product engineering teams as a gatekeeper of end-user-facing quality. This is an excellent opportunity to interact cross-functionally with multiple engineering groups while bringing in fresh ideas to evangelize wireless communication technologies across Apple’s product portfolio and simultaneously working towards design wins in a data-driven manner from prototyping to commercialization.

Responsibilities

Performance characterization of cellular system performance in labs and beyond. Comprehend the technical feature set, software design, and develop comprehensive performance-focused test plans to evaluate data, application, and voice performance in various Apple products. Debug, analyze, and troubleshoot with logs across all layers of the baseband protocol stack (L1/L2/L3) to identify issues impacting overall product performance. Test and analyze TCP/IP and application layers to understand their impact on end-to-end product performance and user experience. Drive systems and software performance beyond the lab test phase by ensuring user experience remains solid throughout the product’s lifecycle. Interact cross-functionally across various engineering teams within Apple. Drive open issues across sub-components to a meaningful resolution while striving to improve product quality. Concisely summarize and present overall performance, key findings, open issues, and next steps in cross-functional forums and executive reviews.

Minimum Qualifications Experience working in a laboratory environment, testing and benchmarking data, voice and application performance of cellular systems. Deep understanding of cellular 3GPP standards relating to 5G NR and LTE, with demonstrated experience with higher-layer protocols such as TCP/IP. Strong ability to debug and analyze issues across all (L1/L2/L3/Application) layers of the protocol stack, as well as RF frontends. Experience proposing software optimizations and improvements based on performance data to enhance overall product quality and user experience. Experience required working with cellular call boxes and channel emulators in a laboratory setting. Strong knowledge of Python scripting is necessary to automate performance test suites in the laboratory and develop tools and scripts to design key performance indicators (KPIs) required to benchmark product performance.

Preferred Qualifications Strong collaboration and communication skills across multidisciplinary teams. Excellent problem-solving skills with a track record of delivering results in fast-paced environments. Thrive in a collaborative environment, communicate clearly while confidently driving multiple projects across various teams. Adapt to new technologies, think outside the box, and propose technology and product improvements in a data-driven manner. Obsessively passionate, inquisitive, and seek to solve everyday problems in innovative ways.

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 $150,400 and $277,600, 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’s 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’s Employee Stock Purchase Plan. You’ll 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 - 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.

EEO Statement Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicant

Accessibility At Apple, we believe accessibility is a fundamental human right. You’ll find that idea reflected in everything here - in our culture, our benefits and our digital tools. By welcoming as many perspectives as possible, we help you build a career where you feel like you belong.

Learn about accessibility in Apple’s workplace

Learn about reasonable accommodations for job applicants

Application Deadline Apple accepts applications to this posting on an ongoing basis.

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Skills

Customer experience
Python
Collaboration
Communication skills
Problem solving

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