Principal Software Engineer Jobs in Illinois

Refine Results
741 - 760 of 863 Jobs

Operator, Reactor Supervisor

Constellation Energy

Clinton, Illinois, 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 p

Lead Technical Certification Engineer

Motorola Solutions

Chicago, Illinois, USA

Full-time

Company Overview At Motorola Solutions, we believe that everything starts with our people. We're a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. Our critical communications, video security and command center technologies support public safety agencies and enterprises alike, enabling the coordination that's critical for safer communities, safer schools, safer hospitals and safer businesses. Connect with a career that matters, and help us buil

Lead Tableau Developer - VP - TAMPA

Citi

Remote or Tampa, Florida, USA

Full-time

The Apps Sup Tech Lead Analyst is a strategic professional who stays abreast of developments within own field and contributes to directional strategy by considering their application in own job and the business. Recognized technical authority for an area within the business. Requires basic commercial awareness. There are typically multiple people within the business that provide the same level of subject matter expertise. Developed communication and diplomacy skills are required in order to guid

Staff Sustaining Reliability Engineer

Rivian

Normal, Illinois, USA

Full-time

About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it

Lead Transmission Line Engineer

Leidos

Remote

Full-time

About Leidos Leidos is a Fortune 500 company aimed at embracing and solving some of the world's most pressing challenges. Through science and technology, Leidos makes the world safer, healthier and more efficient. Get familiar with Leidos Life, our radical program for employees to balance work & life. Job Description We are seeking a Lead Transmission Line Engineer who will manage a collaborative and dynamic team working in a fast- paced environment, solving challenging problems involved wi

Staff Full Stack Engineer (Frontend Focused)

Calendly

Remote

Full-time

About the team & opportunity What's so great about working on Calendly's Engineering team? We make things possible for our customers through innovation. Why do we need you? We are seeking a Staff Full Stack Engineer to join our growing team. This is a key role where you will focus on creating reusable frontend components for an exciting new product going from 0 to 1. You'll drive the design and architecture of our frontend system, ensuring scalability, performance, and reusability while embraci

Substation P&C - Owners Engineer

ENTRUST Solutions Group

Remote or Allentown, Pennsylvania, USA

Full-time

Are you passionate about power systems and looking to make a significant impact in the field of protective relaying and control systems? ENSTURST Solutions Group has an exciting opportunity for you to join our dynamic National Substation team! This position will be act as an Owners Engineer (OE) for a client in Allentown, PA. In this position you will have the following responsibilities: Lead responsible engineer for oversight of Engineer of Choice (EOC) substation design projects, including ph

DataDog Lead with Vector. dev

SumasEdge Corporation

Remote

Third Party, Contract

Title: Datadog Lead with Vector.dev Experience Duration: 12 months Location: Remote Job Summary: As a Vector.dev , you will be responsible for the strategic implementation, optimization, and management of Vector.dev within our data infrastructure. You will act as the primary resource for Vector.dev, providing expert guidance, support, and solutions to optimize data collection, transformation, and routing processes. Requirements: Experience: Proven experience working with Vector.dev in a producti

Lead Gen AI engineer

Pyramid Technology Solutions, Inc.

Remote

Contract

Position: Lead Gen AI engineer Location: Remote Duration: 5 months with possible extension Must have skills: AWS Bedrock, LLMs, RAG, Python or Node.js Description: Join a specialized GenAI team that will deliver scalable, production-grade solutions to automate mortgage document review, data extraction, and due diligence. You will build, optimize, and maintain workflows leveraging AWS Bedrock (BDA, Blueprints, Knowledge Base, Agents), LLMs, RAG, chunking strategies, and a full suite of AWS server

Lead Gen AI engineer

Pyramid Technology Solutions, Inc.

Remote

Contract

Position: Level: Lead Gen AI engineer Project duration: 5 months with possible extension Location: remote in the US Level: Lead Gen AI engineer Must have skills: AWS Bedrock, LLMs, RAG, Python or Node.js Responsibilities Deliver production-grade, end-to-end automation workflows for AI-driven mortgage document OCR, data extraction, and due diligence, using AWS Bedrock, AWS Textract and supporting cloud servicesDevelop, integrate, and optimize GenAI/RAG solutions using Bedrock Prompt Engineering &

Senior Protection and Control Engineer

GE Vernova

Remote

Full-time

Job Description Summary The Senior Protection & Control (P&C) and System Engineer works on T&D substations for AC, HVDC and FACTS projects with designers, peer engineers & leaders.They are responsible for the review of P&C designs developed by the project teams and confirm compliance with project specifications and applicable Standards. The Engineer should actively work on mentoring the secondary design team and acts as its main technical authority while also representing GE with external standa

Mechanical Design Engineer Staff

Lockheed Martin Corporation

Remote or Orlando, Florida, USA

Full-time

Job Description You will be the Mechanical Design Engineer for the Sniper program team. Our team is responsible for designing and integrating innovative fire control systems, and we're looking for an experienced engineer to join our ranks. What You Will Be Doing As the Mechanical Design Engineer, you will be responsible for leading the mechanical design and integration of our fire control system, ensuring seamless functionality and performance. You will leverage your expertise to drive design

Lead System Design Engineer

GE Vernova

Oakbrook Terrace, Illinois, USA

Full-time

Job Description Summary Systems engineering is a cross-functional engineering discipline centered on an approach, mindset, and process. All activities that consider both the business and the technical needs of the customers with the goal of providing a quality product that meets the users needs. The discipline that executes a robust process of design, creation, and optimization of systems, consisting of identification and quantification of system requirements, creation of alternate system design

Lead .NET Developer (MAUI, Xamarin) - W2 Only - Remote

Primesoft, Inc

Remote

Contract

Role: Lead .NET MAUI Developer Exp: 10+ yrs Location: Remote (NY/CA/MA/IL/CO/MN/FL/GA/MI) Your Impact: Lead a development track for .NET MAUI applications targeting Android, Windows, and other platforms.Estimate user stories and contribute to sprint planning and technical design discussions.Mentor and support developers, ensuring alignment with coding standards and best practices.Own the quality of all code produced within your track, including code reviews and testing.Collaborate with the Lead

Gen AI Engineer/Lead

Diverse Lynx Llc

Remote

Contract

Title: Gen AI Engineer/Lead Location: Remote is fine Duration: Fulltime Job Description:- Gen AI Engineer Must Have Technical/Functional Skills Programming languages (Python / PySpark)Machine learning algorithms and architecturesVector DB, RAG Pipeline - Architecting and implement RAG pipelines, integrating enterprise data with retrieval layers and language models.Agentic AI System - Building and scaling Agentic AI systems capable of autonomous task planning, execution, and feedback loops.Experi

Principal Virtual Cloud Networking Data Plane Developer

Oracle Corporation

Remote

Full-time

Job Description We are a team that builds and maintains the OCI Software Defined Network (SDN) stack. Currently, we are looking for hands-on engineers with expertise and passion in solving difficult problems in high-availability, virtualized networks, and network packet processing. These are exciting times, and our team is undergoing rapid growth while working on many new ambitious initiatives. Principal engineers are expected to lead small teams and will have significant technical and business

Engineer, Structural

Constellation Energy

Morris, Illinois, 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

Engineer, Structural

Constellation Energy

Morris, Illinois, 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

Staff ServiceNow IT Asset Management Architect/Engineer

CVS Health

Connecticut, USA

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

Sr. Staff Machine Learning Engineer, Monetization, Privacy ML

Pinterest, Inc.

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