Principal Engineer jobs in Illinois

Remote

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Today

We are seeking a highly skilled and experienced Lead iOS Engineer to drive the development of our cutting-edge iOS applications. In this role, you will take ownership of building innovative mobile solutions that enhance user experiences, improve performance, and integrate advanced features like Apple Pay. Join our collaborative and driven team to make a meaningful impact on mobile technology and deliver exceptional results. This position offers remote setup with the flexibility to work from any

Full-time

Lead IT Engineer

Hybrid in Chicago, Illinois

•

2d ago

Job Details Position: Lead IT Engineer Location: TBD, Chicago IL, 3 days, possible 5 days in October Duration: 6 months Start Date: asap Interview Process/Times: TBD Job Description: Oversee and contribute to the architecture, design, and implementation of the Bank's Azure and Azure Virtual Desktop environment to ensure performance and reliability. Design and implement appropriate monitoring, logging, and analysis tools and solutions to evaluate the performance of computing environments, maximi

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Contract

Depends on Experience

Lead IT Engineer

Hybrid in Chicago, Illinois

•

2d ago

Job Description Position: Lead IT EngineerLocation: Chicago, IL (Hybrid)Duration: 6 months Job summary: The Lead IT Engineer will oversee and manage the design, implementation, and optimization of Azure environments, focusing on performance, security, and cost efficiency. The role involves leadership in guiding engineers, managing Microsoft cloud products, and ensuring timely project delivery. The engineer will also perform cost-benefit analyses and lead efforts in automation to enhance efficien

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Contract

$70 - $80

Staff Software Development Engineer

Chicago, Illinois

•

Today

General Information Req # WD00083571 Career area: Hardware Engineering Country/Region: United States of America State: Illinois City: Chicago Date: Friday, August 8, 2025 Working time: Full-time Additional Locations: * United States of America - Illinois - Chicago Why Work at Lenovo We are Lenovo. We do what we say. We own what we do. We WOW our customers. Lenovo is a US$57 billion revenue global technology powerhouse, ranked #248 in the Fortune Global 500, and serving millions of cu

Full-time

USD 110,000.00 - 135,000.00 per year

Lead Substation Engineer

Remote or Utah

•

Today

ENTRUST is seeking a highly skilled and experienced Physical Substation Lead Engineer to oversee the design, development, and implementation of physical substation projects. This role involves leading engineering efforts, coordinating with multidisciplinary teams, and ensuring compliance with industry standards and client specifications. The ideal candidate will have a strong background in substation physical design, project management, and leadership. Key Responsibilities: Lead the physical d

Full-time

Lead Databricks Engineer

Remote

•

Today

Lead Data Engineer - Databricks & MLOps Focus We are seeking a highly experienced and strategic Lead Data Engineer with deep expertise in Databricks, MLOps, and cloud-native data engineering. This role is ideal for a technically strong leader who thrives in consulting environments, excels at client engagement, and can drive complex data initiatives from architecture to execution. Key Responsibilities: Lead Architecture & Development: Design and implement scalable, high-performance data pipeli

Full-time

Staff Software Development Engineer

Remote or Buffalo Grove, Illinois

•

Today

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w

Full-time

USD 130,295.00 - 260,590.00 per year

Lead Infrastructure Engineer

Remote or White Plains, New York

•

Today

Company: Marsh McLennan Agency Description: Our not-so-secret sauce. Award-winning, inclusive, Top Workplace culture doesn't happen overnight. It's a result of hard work by extraordinary people. More than 9,000 of the industry's brightest talent drive our efforts to deliver purposeful work and meaningful impact every day. Learn more about what makes us different and how you can thrive as a Lead Infrastructure Engineer at MMA. Marsh McLennan Agency (MMA) provides business insurance, employee

Full-time

USD 97,900.00 - 171,400.00 per year

Staff DevOps Software Engineer

Remote or Richardson, Texas

•

Today

Full-time

USD 118,450.00 - 260,590.00 per year

Staff Full Stack Engineer

Chicago, Illinois

•

Today

Work Location Type: Hybrid About Grainger: W.W. Grainger, Inc., is a leading broad line distributor with operations primarily in North America, Japan and the United Kingdom. At Grainger, We Keep the World Working by serving more than 4.5 million customers worldwide with products and solutions delivered through innovative technology and deep customer relationships. Known for its commitment to service and award-winning culture, the Company had 2024 revenue of $17.2 billion across its two busines

Full-time

USD 131,200.00 - 218,700.00 per year

Lead Front End Developer

Remote

•

10d ago

Lead Frontend / Angular Developer Location: Remote Duration: 12-14 months Job Description: Angular 14 or later, Ngrx, RxJS JavaScript, NodeJS, GitHub, understanding of end to end test and unit test Role Info: Hands on Sr. Frontend / Angular Developer role with strong Angular, Typescript, Ngrx, RxJS, Javascript, NodeJS, HTML, & CSS background Front end development Managing existing components and building new components using Angular 14 NodeJS 2 Weeks sprint cycle Unit testing using Cypres

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Contract

Depends on Experience

Lead Palantir Developer

Remote

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7d ago

Required Qualifications: 12+ years of overall software engineering experience.8+ years of hands-on experience with Palantir Foundry and Gotham.Strong experience in Java using springboot (backend).4+ years of experience building data dashboards using Plotly Dash.Solid understanding of data structures, ETL processes, and SQL.Experience with Git, CI/CD tools, and agile development methodologies.Excellent communication, leadership, and problem-solving skills.Education and Certificate: Bachelor s o

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Full-time, Third Party

$90 - $110

Lead Operating Engineer

Chicago, Illinois

•

Today

Job Title Lead Operating Engineer Job Description Summary Responsible to ensure the proper efficient operations and maintenance of the mechanical electrical and plumbing systems for the assigned facility. The performance of all necessary maintenance and operational tasks are developed to assure maximum life and reliability of all mechanical/ electrical/plumbing systems. Typically, this position does not have a Chief Engineer on-site at the building and is sometimes the solo engineer at the buil

Full-time

USD 52.19 - 52.19 per hour

Lead ServiceNow Developer

Remote or Hybrid

•

Today

We are a federal IT company on a mission to make customer experience (CX) the center of every government solution. Technology is our Passion. People are our Purpose. We know tech, but we love people. NuAxis is home to thinkers and feelers, engineers and artists. We work hard and support each other along the way. Teamwork is more than just a buzzword for us, it's a state of mind. We believe happy employees do amazing work, so join our team NOW! We are currently seeking a talented and motivated L

Full-time

Lead Monitoring Engineer

Remote

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28d ago

Lead Monitoring Engineer Location - Washington, District of Columbia Duration: 9 months contract Job Description About the project: This initiative focuses on migrating infrastructure from Go-Cloud to AWS, with Datadog being implemented as the primary monitoring and observability platform. Client is currently in the process of replacing AppDynamics with Datadog and has already completed the migration of SolarWinds and Nagios monitoring capabilities into Datadog. In parallel, they are migrating a

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Contract

$0 - $0

Lead iOS Engineer

Remote or Portland, Oregon

•

Today

At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We're committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the futur

Full-time

USD 142,400.00 - 232,300.00 per year

Lead Mobile Engineer

Remote or Greenville, South Carolina

•

Today

Job Title Lead Mobile Engineer Job Description Summary Responsible to ensure the proper efficient operations and maintenance of the mechanical electrical and plumbing systems for the assigned facility. The performance of all necessary maintenance and operational tasks are developed to assure maximum life and reliability of all mechanical/ electrical/plumbing systems. Typically, this position does not have a Chief Engineer on-site at the building and is sometimes the solo engineer at the buildin

Full-time

Staff Analytics Engineer

Remote

•

Today

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Full-time

USD 207,000.00 - 244,100.00 per year

Lead React Developer

Remote

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15d ago

REQUIRED 7+ years previous experience working as a React.js developer. 7+ years experience in React.js, HTML, CSS3. Vast experience in JavaScript and React concepts, advanced front-end coding skills, and an expert level understanding of progressive web applications. Extensive experience on front-end development and demonstrated ability to work in a fast-paced environment. Passion for supporting, collaborating, and coaching engineering teams. Comfortable driving code reviews and operating as anoi

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Contract

Depends on Experience

Lead Full Stack Engineer

Remote or Phoenix, Arizona

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Today

Company: MMC Corporate Description: Marsh & McLennan Shared Services LLC is seeking candidates for the following full-time position based in the Phoenix, AZ office (A telecommuting/hybrid work schedule may be permitted within a commutable distance from the worksite, in accordance with company policies). Lead Full Stack Engineer We will count on you to: Design, code, test, and debug new and existing applications using technologies and databases. Serve as technical expert in implementing comp

Full-time

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Principal Engineer jobs in Illinois, USA