principal, software engineer Jobs in illinois

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Staff Software Engineer

IDR, Inc.

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Remote

Contract

IDR is seeking a Staff Software Engineer to join one of our top clients remotely. This role is an exciting opportunity for a seasoned engineer with a passion for healthcare innovation and a proven track record in software development, team leadership, and problem-solving. Youll be joining a mission-driven team on the forefront of revolutionizing preventative healthcare through advanced diagnostics, personalized insights, and scalable tech. If youre energized by the idea of building technology t
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Posted 60+ days ago | Updated 8 days ago

Principal Engineer

ECOLAB

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Joliet, Illinois, USA

Full-time

Join the Ecolab team at our Joliet, IL chemical manufacturing plant as a Principal Engineer! As a member of our team you will apply engineering skills to solve complex problems and drive large capital projects to completion. You will schedule and help to coordinate innovative, complex projects to meet cost and time objectives, complying with design criteria and standards. What's in it For You: Thrive in a company that values a culture of safety to include top-notch safety training and personal
Posted 9 days ago | Updated moments ago

EndPoint Security Staff Engineer Rust C++

Request Technology, LLC

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Remote

Full-time

We are unable to sponsor for this permanent full-time role Position is bonus eligible Prestigious Enterprise Security Services Company is currently seeking a EndPoint Security Staff Engineer with Rust and C++ experience. Candidate will help lead the design and development of our cross-platform endpoint agent. This role is instrumental in shaping both the technical architecture and future direction of our Windows, Linux, and macOS protection capabilities. Responsibilities: Own the technical visio
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Posted 59 days ago | Updated 1 day ago

Principal Information Security Engineer

Fifth Third Bank

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Remote

Full-time

Make banking a Fifth Third better We connect great people to great opportunities. Are you ready to take the next step? Discover a career in banking at Fifth Third Bank. Fifth Third Bank is embarking on a complete transformation of its products and capability to enable our digital journey. Our Identity & Access Management teams are at the heart of that transformation to seamlessly enable, secure, and delight our customers. Fifth Third is looking for an Identity Engineer to join our organization
Posted 12 hours ago | Updated moments ago

Principal Engineer, HR & Legal Technology (Hybrid - Seattle, WA)

Nordstrom

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Remote or Seattle, Washington, USA

Full-time

Job Description A Principal Engineer acts as a technology leader in all aspects of their daily job. This includes being responsible for architecture, best practices and operational excellence for multiple teams across Nordstrom as well as being the subject matter expert for a specific vertical. Principal Engineers are extremely proficient and self-starting individual contributors that know when to use coding as a core part of their practice as well as lead code reviews to expand their influence
Posted 60+ days ago | Updated moments ago

Principal Engineer

Pinterest, Inc.

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Remote or San Francisco, California, USA

Full-time

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility
Posted 60+ days ago | Updated moments ago

High Speed Analog Principal Engineer (32629)

Myticas LLC

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Remote or Sunnyvale, California, USA

Full-time

Our client is seeking a Principal Engineer - High Speed IC Research & Development. This role offers the opportunity to contribute to the development of high-performance analog ICs that enable next-generation communication networks. Responsibilities: Design, lay out, and bring up ultra high-speed analog ICs Drive the development and validation of custom ICs for high-capacity networking systems Collaborate with verification, CAD, product, and test engineering teams to define and execute DVT and
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Posted 21 hours ago | Updated 9 hours ago

Sr Principal Engineer - Cross-Functional Program Leadership-Non-it -W2 ONLY

VetForce Solutions

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Round Lake, Illinois, USA

Contract

Job Title: Sr Principal Engineer - Cross-Functional Program Leadership Location: Round Lake, IL Duration: 12 Months Note: Need local with 8-10 years of onsite work exp minimum Job description: 1. Leads cross functional teams through the planning, execution and completion of a large scale program or several small projects with complex features. 2. Leads projects within client s product lifecycle management (PDLM) and change control management (CCM) process, from initiation through closure. 3. App
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Posted 1 day ago | Updated 1 day ago

Sr. Principal Engineer

Katalyst Healthcares and Lifesciences

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Round Lake, Illinois, USA

Full-time

Job Description: This position is a contract Packaging Engineering position within Client's Pharmaceutical segment R&D group. With some supervision, performs sustaining engineering activities on current product packaging and packaging processes with priorities based on quality and compliance, continuity of supply, and cost savings initiatives. When applicable, will support new product development teams by acting as an extended team member to provide the design, development and verification tes
Posted 5 days ago | Updated moments ago

Principal, SW Engineer

Northern Trust

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Chicago, Illinois, USA

Full-time

About Northern Trust: Northern Trust, a Fortune 500 company, is a globally recognized, award-winning financial institution that has been in continuous operation since 1889. Northern Trust is proud to provide innovative financial services and guidance to the world's most successful individuals, families, and institutions by remaining true to our enduring principles of service, expertise, and integrity. With more than 130 years of financial experience and over 22,000 partners, we serve the world'
Posted 33 days ago | Updated moments ago

Sr. Principal Engineer, R&D

Johnson & Johnson

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Remote or Raritan, New Jersey, USA

Full-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m
Posted 3 days ago | Updated moments ago

PRINCIPAL ENGINEER - STAFF ENGINEER - Spacecraft Systems Engineer

Southwest Research Institute

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Remote or San Antonio, Texas, USA

Full-time

Who We Are: The Spacecraft Development Department is a group of innovative engineers, program managers, and technicians developing unique spacecraft solutions for challenging space missions. We design and fabricate custom solutions to explore the boundaries of science or solve complex problems not yet delivered by industry to accommodate a variety of payloads. This position has the option of being a fully remote in the following states: AL, AZ, AR, CO, Dis. of Columbia, FL, GA, MA, MD, MI, MN,
Posted 20 days ago | Updated moments ago

Principal Engineer, R&D NPI Lead

Johnson & Johnson

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Remote or Jacksonville, Florida, USA

Full-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m
Posted 7 days ago | Updated moments ago

Principal Staff Artificial Intelligence Engineer

General Motors

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Remote

Full-time

Job Description Remote: This role is based remotely but if you live within a 50-mile radius of [Atlanta, Austin, Detroit, Warren, Milford or Mountain View ], you are expected to report to that location three times a week, at minimum. Role: As a Principal Staff Artificial Intelligence Engineer within the Simulation and Testing organization, you will play a critical role in leading the strategy and execution of simulation-based validation efforts for autonomous vehicle development. Your expertis
Posted 22 days ago | Updated 9 hours ago

Principal level IT Infrastructure Engineer / Re-IP

Prudent Technologies and Consulting

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Remote

Contract

Network/Systems Lead Engineer Network Integration (Re-IP) Fully REMOTE contract , but weekly travel required. Travel can be anywhere in the US; however it will primarily be in the northeast. So, the preference is someone located in the northeast US like Massachusetts Re-IP Acceleration Technical Lead Principal level IT Infrastructure Engineer with broad and deep infrastructure knowledge and experience across network, server, and end-user device technologies. Accountable for 1) providing techni
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Posted 18 days ago

Sr. Principal Engineer (Disposable Medical Devices)

DivIHN Integration Inc.

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Round Lake, Illinois, USA

Contract

DivIHN (pronounced divine ) is a CMMI ML3-certified Technology and Talent solutions firm. Driven by a unique Purpose, Culture, and Value Delivery Model, we enable meaningful connections between talented professionals and forward-thinking organizations. Since our formation in 2002, organizations across commercial and public sectors have been trusting us to help build their teams with exceptional temporary and permanent talent. Visit us at to learn more and view our open positions. Please apply o
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Posted 1 day ago | Updated 11 hours ago

Principal Engineer - Mechanical Engineering (Hybrid)

RTX Corporation

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Remote or Windsor, Connecticut, USA

Full-time

Date Posted: 2025-07-16 Country: United States of America Location: 02: Building 02 Windsor Locks One Hamilton Road, Windsor Locks, CT, 06096 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Looking to make an impact in engineering? Join our Hydro-Mechanical, Actuation & Pneumatic Valve Design Group as a Mechanical Design Engineer. You'll play a key role in developing innovative solutions for critical component
Posted 9 days ago | Updated moments ago

Principal Engineer - Smart TV Applications

Harman International

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Texas, USA

Full-time

A Career at HARMAN As a technology leader that is rapidly on the move, HARMAN is filled with people who are focused on making life better. Innovation, inclusivity and teamwork are a part of our DNA. When you add that to the challenges we take on and solve together, you'll discover that at HARMAN you can grow, make a difference and be proud of the work you do every day. About the Role Join our team as a Principal Smart TV Application Developer and help us build innovative streaming applications
Posted 12 hours ago | Updated moments ago

Principal Engineer, Project Engineering (Onsite)

RTX Corporation

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Rockford, Illinois, USA

Full-time

Date Posted: 2025-07-24 Country: United States of America Location: A01: Rockford - Aerospace 4747 Harrison Avenue, Rockford, IL, 61125 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 have a growth opportunity for a driven and detail-oriented Project Engineer to lead a
Posted 3 days ago | Updated moments ago

Principal Cybersecurity Engineer ( Platform Engineering )

DISCOVER

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Riverwoods, Illinois, USA

Full-time

Discover. A brighter future. With us, you'll do meaningful work from Day 1. Our collaborative culture is built on three core behaviors: We Play to Win, We Get Better Every Day & We Succeed Together. And we mean it - we want you to grow and make a difference at one of the world's leading digital banking and payments companies. We value what makes you unique so that you have an opportunity to shine. Come build your future, while being the reason millions of people find a brighter financial future
Posted 1 day ago | Updated moments ago