Principal Software Engineer Jobs in Illinois

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Staff Software Engineer - Fullstack

ServiceNow, Inc.

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Remote or Addison, Texas, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi
Posted 7 days ago | Updated 11 hours ago

Lead Software Engineer - Java

JPMorgan Chase & Co.

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Chicago, Illinois, USA

Full-time

Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the Corporate Sector's Reference Data Engineering team, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. As a core technical contributor, you are responsible for conducting critical technology
Posted 42 days ago | Updated 11 hours ago

Staff Software Engineer

CVS Health

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Remote

Full-time

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
Posted 24 days ago | Updated 11 hours ago

Principal Cybersecurity Engineer (Hybrid-Puerto Rico)

RTX Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-04-15 Country: United States of America Location: HPR01: Collins Puerto Rico- Aguadilla Road 110 North Km 28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Collins Aerospace has an exciting opportunity for an experienced Software/Cybersecurity Engineer. We are looking for a strong, passionate problem-solver with an action-oriented, collabor
Posted 48 days ago | Updated 11 hours ago

Principal Engineer, Project Engineering (CSE) (Hybrid)

RTX Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-05-30 Country: United States of America Location: PW222: PW Puerto Rico Road 110 North Km28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Pratt & Whitney is working to once again transform the future of flight-designing, building and servicing engines unlike any the world has ever seen. And because transformation begins from within, we're s
Posted 40 days ago | Updated 11 hours ago

Principal Kernel Engineer

Request Technology, LLC

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Remote

Full-time

Principal Kernel Engineer Salary: Open + Bonus + Stock Options Location: Remote *We are unable to provide sponsorship for this role* Qualifications Writes high-quality multithread-safe code in C++ in both kernel-mode and user-modeDevelops high-quality code in Rust or a strong desire and capacity to learn quickly (Rust)Has shipped at least one production quality driver for Windows NTStrong knowledge of Win32 APIs and NT kernel internalsDebugs memory corruption issues and improves end-to-end syste
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Posted 39 days ago | Updated 4 days ago

Principal Security Engineer, Threat Intelligence & Investigations

Circles Inc.

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Remote or San Francisco, California, USA

Full-time

Circle is a financial technology company at the epicenter of the emerging internet of money, where value can finally travel like other digital data - globally, nearly instantly and less expensively than legacy settlement systems. This ground-breaking new internet layer opens up previously unimaginable possibilities for payments, commerce and markets that can help raise global economic prosperity and enhance inclusion. Our infrastructure - including USDC, a blockchain-based dollar - helps busines
Posted 27 days ago | Updated 11 hours ago

Staff Software Engineer

Circles Inc.

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Remote or San Francisco, California, USA

Full-time

Circle is a financial technology company at the epicenter of the emerging internet of money, where value can finally travel like other digital data - globally, nearly instantly and less expensively than legacy settlement systems. This ground-breaking new internet layer opens up previously unimaginable possibilities for payments, commerce and markets that can help raise global economic prosperity and enhance inclusion. Our infrastructure - including USDC, a blockchain-based dollar - helps busines
Posted 35 days ago | Updated 11 hours ago

Principal FPGA Design Engineer

Draper

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Remote or Cambridge, Massachusetts, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas
Posted 60+ days ago | Updated 11 hours ago

Principal Security Engineer / Solutions Architect (CIAM / Okta / Auth0)

GTechNY

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Remote

Contract

About the RoleWe are seeking a seasoned Principal Security Engineer / Architect with deep expertise in CIAM (Customer Identity and Access Management), Okta, and Auth0. This is a senior-level consulting/architectural role for complex enterprise-level identity projects. You must be comfortable driving architecture decisions, advising on migration paths, and implementing robust and scalable solutions across multi-tenant environments. Key ResponsibilitiesArchitect and implement CIAM solutions levera
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Posted 26 days ago | Updated 15 days ago

Principal Infrastructure Engineer

Memorial Sloan Kettering Cancer Center

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Remote or New York, New York, USA

Full-time

Pay Range $164,100.00-$270,900.00 Company Overview The people of Memorial Sloan Kettering Cancer Center (MSK) are united by a singular mission: ending cancer for life. Our specialized care teams provide personalized, compassionate, expert care to patients of all ages. Informed by basic research done at our Sloan Kettering Institute, scientists across MSK collaborate to conduct innovative translational and clinical research that is driving a revolution in our understanding of cancer as a disea
Posted 36 days ago | Updated 11 hours ago

Senior Lead Software Engineer, Full Stack

Capital One

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Chicago, Illinois, USA

Full-time

Senior Lead Software Engineer, Full Stack Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging technologies. As a Capital On
Posted 10 days ago | Updated 3 hours ago

Staff Software Engineer, AI Solutions

10x Genomics

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California, USA

Full-time

About the role 10x Genomics helps researchers answer biology's hardest and most elusive questions with single cell and spatial biology technology. We're harnessing the power of AI and large language models (LLMs) to revolutionize how researchers interact with their data and drive discovery. As an AI/LLM Engineer, you'll be at the forefront of developing intelligent, user-centric solutions that assist scientists and internal teams throughout their research journey-from experimental design and d
Posted 8 days ago | Updated 11 hours ago

Principal, Development Engineer - Hybrid in Pittsburgh

Constellation Energy

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Remote or Warrendale, Pennsylvania, USA

Full-time

WHO WE ARE As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our
Posted 13 days ago | Updated 11 hours ago

Comcast Cybersecurity: Principal Engineer, Advanced Threat Response

Comcast Corp

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Remote or Philadelphia, Pennsylvania, USA

Full-time

Make your mark at Comcast -- a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award-winning technology team that turns big ideas into cutting-edge products, platforms, and solutions that our customers love. We create space to innovate, and we recognize, reward, and invest in your ideas, while ensuring you can prou
Posted 34 days ago | Updated 11 hours ago

Principal Engineer, Project Engineering, Casting (Onsite)

RTX Corporation

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Rockford, Illinois, USA

Full-time

Date Posted: 2025-05-21 Country: United States of America Location: HIL01: Rockford - Plant 1 2421 11th Street , Rockford, IL, 61104 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Joining Collins Aerospace isn't just about finding a job; it's about embarking on a journey to redefine the future of aerospace technology. We are seeking a highly motivated and experienced Project Engineer to lead critical initiat
Posted 41 days ago | Updated 11 hours ago

Lead Software Engineer

Parsons Services Company

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Remote or Colorado Springs, Colorado, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is seeking an amazingly talented Software Engineer Lead to join our growing
Posted 56 days ago | Updated 11 hours ago

Senior Staff Software Engineer - Fullstack

ServiceNow, Inc.

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Remote or Addison, Texas, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi
Posted 2 days ago | Updated 11 hours ago

Senior Staff Software Engineer - Fullstack

ServiceNow, Inc.

•

Remote or San Diego, California, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi
Posted 2 days ago | Updated 11 hours ago

Principal IAM Engineer

Motion Recruitment Partners, LLC

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Chicago Heights, Illinois, USA

Full-time

We are helping a leading trading shop in Chicago. They are known for their quantitative approach, wide range of asset classes, and entrepreneurial culture. They are looking for a Senior IAM Engineer with experience establishing IAM practices in a global organization. They are not looking for GRC or non-engineering backgrounds, as this role is highly technical. You will design and support IAM solutions that meet organizational and security goals while ensuring regulatory compliance. Work closely
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Posted 35 days ago | Updated 8 hours ago