Jobs in the United States

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Added 1 min ago
AV Architect
By Light Professional IT Services LLC
Hanover, MD
The Audio Visual Architect / Engineer will provide daily operation support to the Defense Information Systems Agency (DISA) Headquarters on Ft. Meade, Maryland.
Added 2 mins ago
Web Developer
CACI
Chantilly, VA · Chantilly
AWS certification, such as AWS Certified Developer – Associate or AWS Certified DevOps Engineer – Professional.
Added 2 mins ago
Senior Mechanical Engineer
Twenty-Six Defense
Merrimack, NH
Twenty-Six Defense, headquartered in Fort Worth, Texas, is a leading provider of high-performance products, system solutions, and aftermarket support services focusing on the defense,…
Added 2 mins ago
Sr. Process Engineer, R1 Body AI/ML
Rivian
Normal, IL
Added 2 mins ago
PG
CQV Engineer I
PM Group
Rahway, NJ
- $75,000 to $90,000 USD / year
This is an entry-level career position and we are looking for a CQV Engineer who enjoys client interaction as well as the technical aspects of the position. This individual needs to have a…
Added 2 mins ago
CSV Engineer II
PM Group
Indianapolis, IN
We are looking for a CSV Computer System Validation Engineer II who will support protocol execution for laboratory computer systems within a GxP manufacturing site. This individual should…
Added 2 mins ago
CQV Engineer III
PM Group
Conshohocken, PA
The CQV Engineer III position is an exciting opportunity to join PM Group’s quickly growing Outsourced Technical Services(OTS) team in Indiana. Outsourced Technical Services (OTS) is an…
Added 2 mins ago
CQV Engineer II
PM Group
Conshohocken, PA
The CQV Engineer II position is an exciting opportunity to join PM Group’s quickly growing Outsourced Technical Services(OTS) team in Indiana. Outsourced Technical Services (OTS) is an…
Added 2 mins ago
PG
CQV Engineer II
PM Group
Rahway, NJ
- $85,000 to $105,000 USD / year
The CQV Engineer II position is an exciting opportunity to join PM Group’s quickly growing Outsourced Technical Services(OTS) team in Rahway, NJ. Outsourced Technical Services (OTS) is an…
Added 2 mins ago
Web Developer
CACI, INC.-FEDERAL
Chantilly, VA
AWS certification, such as AWS Certified Developer – Associate or AWS Certified DevOps Engineer – Professional.
Added 3 mins ago
SG
Technical Intern, Advanced Structural Analysis Summer 2027
Simpson Gumpertz & Heger
Waltham, MA
- $30.25 to $38.25 USD / hour
Added 3 mins ago
UG
Sr. AI/ML Engineer - Remote
UnitedHealth Group
Richardson, TX
- $120,100 to $214,500 USD / year
…that help people live healthier lives and help make the health system work better for everyone. From advanced data analytics and AI to cybersecurity, we use innovative approaches to solve…
Added 3 mins ago
Designer - Substation
Quanta Infrastructure Solutions Group, LLC
Baton Rouge, LA
…use in-house talent, expertise and resources to plan, design, engineer, manage, conduct maintenance on and construct…
Added 3 mins ago
Test Engineer II
Thorlabs
Newton, NJ
Develop tests for PC based and stand-alone test equipment. This includes designing and building test jigs/stations, selecting test equipment, and integrating them into the test system
Added 4 mins ago
O
Site Reliability Engineer 2
Oracle
Nashville, TN
- $69,800 to $148,300 USD / year
As a Site Reliability Engineer, you will apply software engineering, systems engineering and networking practices to improve the reliability, availability, performance, and scalability of…
Added 4 mins ago
O
Senior Network Developer - Network Region Build (NRB)
Oracle
Seattle, WA · Nashville, TN · Santa Clara, CA · Redwood City, CA · Reston, VA
- $91,400 to $187,000 USD / year
As an NRB engineer, you’ll lead network expansion, automation, and deployment initiatives while working alongside engineering, automation, hardware, and operations teams to deliver highly…
Added 6 mins ago
Senior Silicon Validation Engineer
Google
Sunnyvale, CA
Experience with platform accelerators, high-speed ASIC interfaces, compute, memory systems (e.g. HBM), Design for Testing, and power system features for high-power SoCs.
Added 6 mins ago
Staff Software Engineer, ML Compiler Performance Engineer Co-Design
Google
Mountain View, CA
…including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and…
Added 7 mins ago
Design Release Engineer (DRE) – Overhead Systems
ALTEN Technology USA
Auburn Hills, MI · Troy, MI
Proven leadership in resolving complex cross-functional design issues; ability to mentor junior engineers and act as technical authority for OHS system on program.
Added 8 mins ago
Engineer IV - Svcs RF
Ericsson
Seattle, WA · Seattle
Ericsson is looking for an experienced RF Engineer to join the MACS team in the USA. In this role, you will serve as a subject matter expert in RF optimization, lead engineering teams…
Added 11 mins ago
General Manager, Subscription
EVERYTABLE, PBC
City of Industry, CA
to be a part of making history by redefining and transforming the food system. We're passionate about
Added 12 mins ago
UG
Advisory Services Analyst, Consultant Development Program - AI/ML Engineering Track - Multiple Locations
UnitedHealth Group
Eden Prairie, MN
- $60,200 to $107,400 USD / year
Optum Insight is improving the flow of health data and information to create a more connected system. We remove friction and drive alignment between care providers and payers, and…
Added 13 mins ago
Senior Systems Engineer, Watch Software
Apple
Boulder, CO · Cupertino, CA · San Diego, CA
As a key engineer on this team, you will tackle a wide range of complex challenges and collaborate closely with Performance, Power, OS, and Hardware experts across Apple. Your…
Added 14 mins ago
Tech-Refrig-AshUnion 3rd Shift
OSI
Chicago, IL
Perform, coordinate and document all activities related to operating and maintaining the Ammonia System and Utilities Room. Follow proper procedures and safety guidelines.
Added 14 mins ago
Tech-Refrig-AshUnion 2nd Shift
OSI
Chicago, IL
Perform, coordinate and document all activities related to operating and maintaining the Ammonia System and Utilities Room. Follow proper procedures and safety guidelines.

Apple

Senior Systems Engineer, Watch Software

Boulder, CO, United States
Cupertino, CA, United States
San Diego, CA, United States

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Job details

Experience: 8+ years industry experience.
Posting language: English
Posted: Nov 9, 2026

Original job description

Summary The watchOS Systems team is looking for a creative senior software engineer to help define the future of Apple Watch. Your core responsibility will be to build and optimize the foundational software that drives the device's performance and power efficiency. You will also have the unique opportunity to conduct investigative research, prototyping new technologies that will help define future hardware and software features. This role is perfect for a collaborative engineer who is passionate about the intersection of hardware and software and thrives on solving complex, open-ended problems.

Description As a key engineer on this team, you will tackle a wide range of complex challenges and collaborate closely with Performance, Power, OS, and Hardware experts across Apple. Your responsibilities will be dynamic, ranging from architecting core OS features to acting as a performance specialist for other teams. This includes defining and implementing critical system-level functionality, such as new systems to manage the process lifecycle, reclaim memory, or lead the transition to a 64-bit OS architecture. You will also dive into other teams' code to diagnose and resolve significant power issues, and will build and maintain tools to help all engineers model and analyze performance and memory.

Responsibilities

Work at many layers of the system software stack, from firmware or kernel layers up to application layers, to create new experiences by leveraging hardware in new ways. Establish SW’s needs for future hardware, i.e. by modeling and projecting memory demand over the whole lifetime of a new SoC Engage in investigative and research-like projects to explore and prototype solutions for complex, open-ended problems. Diagnose and address functional and performance issues at the language, runtime, and kernel layers as well as in application and system daemons. Implement new software components, frameworks, and applications. Collaborate with cross-functional teams to define, design, and ship new features.

Minimum Qualifications 8+ years industry experience. Deep technical understanding and hands-on experience with software development and lifecycle management. Experience with low-level OS systems, i.e. kernel, Darwin or drivers. Deep experience with power and performance measurement and investigation techniques. Solid computer science fundamentals. Excellent communication and interpersonal skills for collaborating with a technical team.

Preferred Qualifications Experience defining and contributing to application or systems architecture. Ability to work with technology partners at all levels of the stack, from hardware, sensors, and firmware to frameworks and applications. Experience in additional technical areas, like Graphics, UI or networking. Strong problem-solving and debugging skills, especially with ambiguous or undefined problems.

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 $175,000 and $308,500, 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.

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 $184,700 and $324,800, and your base pay will depend on your skills, qualifications, experience, and location.

Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

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 $165,800 and $292,400, and your base pay will depend on your skills, qualifications, experience, and location.

Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

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More about this job

Skills

Research
Software development
Oracle Darwin
Check methods
Computer science
Communication skills
Interpersonal skills
Firmware
Problem solving
Debugging

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