Senior Software Developer Jobs in Illinois

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1,921 - 1,940 of 2,007 Jobs

Senior Aero Centrifugal Pump Engineer (Remote)

Kratos Defense and Security Solutions, Inc.

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Remote

Full-time

Job Description Are you ready to embark on an exciting career with a leading turbomachinery and jet engine aerospace engineering company? At Florida Turbine Technologies (FTT), we're not just about cutting-edge products; we're about shaping the future of aerospace innovation. If you're looking for a workplace that thrives on creativity, collaboration, and expertise, you've found your home! Located in the stunning setting of Jupiter, Florida, FTT is a growing world-class turbomachinery company
Posted 7 days ago | Updated 7 hours ago

Lead Mechanical Systems Integration Engineer

Lockheed Martin Corporation

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Remote or Littleton, Colorado, USA

Full-time

Job Description The coolest jobs on this planet or any other are with Lockheed Martin Space. We invite you to join the Fleet Ballistic Missile (FBM) Program Systems Engineering Integration and Test (SEIT) team as a Lead Mechanical Systems Integration Engineer within the Embedded Systems Engineering (ESE) organization. The role of the ESE is to partner with the FBM Propulsion, Structures, Ordnance, and Controls (PSOC) Subsystem Integrated Product Teams (IPTs) to shape the design, development, a
Posted 31 days ago | Updated 10 hours ago

Senior Product Security Engineer Researcher - Reverse Engineer

Request Technology, LLC

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Remote

Full-time

No SPONSORSHIP Senior Product Security Engineer SALARY: $180,000 - 220,000 plus 10% plus pre-IPO stock options LOCATION: remote Looking for a Security researcher proficient in reverse engineer. Experience in analyzing malware understanding of cryptography user in ransomware ability to develop tools to augment existing capabilities endpoint hardening and testing. Join a team of cyber Security Engineers focused on building products and solutions for mid-market and enterprise customers. We deliver
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Posted 37 days ago | Updated 9 days ago

Sr. Supplier Development Engineer - Plant

Rivian

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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
Posted 60+ days ago | Updated 10 hours ago

Product Engineer Sr. Java Springboot

Allstate Insurance Company

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Remote

Full-time

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Job Description The Product Engineer architects and designs their digital
Posted 60+ days ago | Updated 10 hours ago

Senior Applications Support Engineer - Direct Client - Brooklyn, OH - Onsite

Outcome Logix LLC

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Brooklyn, New York, USA

Contract

Job Description: Essential Job Functions:Owns the design, development, implementation, assessment, and support of multiple environments, applications, and platforms.Hands on development, root cause analysis, defect analysis as needed.Applies, and proactively prepares to ensure, proper security standards for code development.Identify performance bottlenecks and implement solutions to ensure system scalability, reliability, availabilityCollaborates with cross-functional teams to understand busines
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Posted 1 day ago | Updated 1 hour ago

Field Engineer 2 - DC/DE/Maryland Area - PCS

GE Healthcare

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Remote

Full-time

Job Description Summary The Field Engineer II will perform preventative maintenance, installations, troubleshooting, and repairs on our life-changing medical equipment for one or more modalities within a hospital or healthcare system. GE HealthCare is a leading global medical technology and digital solutions innovator. Our mission is to improve lives in the moments that matter. Unlock your ambition, turn ideas into world-changing realities, and join an organization where every voice makes a diff
Posted 42 days ago | Updated 10 hours ago

Senior Mechanical Design Engineer (Hybrid-Puerto Rico)

RTX Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-05-07 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 a Mechanical Design Engineer. We're looking for an experienced professional, like you, to accept a high level of responsibility within a
Posted 46 days ago | Updated 10 hours ago

Senior Anti-Jam Solutions Engineer

General Dynamics

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Remote

Full-time

Basic Qualifications Education Requirements: Requires a Bachelor's degree in Electrical Engineering, or a related Science, Engineering or Mathematics field. Also requires 10+ years of job-related experience, or a Master's degree plus 8 years of job-related experience. Clearance Requirements: Ability to obtain a Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility r
Posted 60+ days ago | Updated 10 hours ago

Senior Data Science Manager

Coinbase

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Remote

Full-time

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
Posted 60+ days ago | Updated 10 hours ago

Field Service Engineer 3 - Diagnostic Imaging (3rd Shift) - CT & MRI - Houston, TX

GE Healthcare

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Remote

Full-time

Job Description Summary This role is a 3rd shift position: Monday-Friday, 5:00pm-2:00am. Experience with CT & MRI. The X-Ray Field Service Engineer 3 is a technical expert on at least one modality and may be proficient in multiple modalities. Acts as the primary GEHC Services face to the customer. Responsible for resolving advanced service repair needs of designated equipment, and drives customer satisfaction through Service Excellence. GE HealthCare is a leading global medical technology and d
Posted 60+ days ago | Updated 10 hours ago

Senior Info Security Engineer 3rd Shift - National Remote

UnitedHealth Group

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Remote or Eden Prairie, Minnesota, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health op
Posted 14 days ago | Updated 10 hours ago

Senior Mainframe Systems Support Engineer (Night Shift)

Charter Global, Inc.

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Remote or Reston, Virginia, USA

Contract

Job Title: Senior Mainframe Systems Support Location: Reston, VA 20191 (Remote Job) Duration: 6 Months+ Overnight rotational shifts (6pm to 6am) 10 hour shift Job Purpose: Performs complex analysis, design, development, testing, and debugging of computer software ranging from operating system architecture integration and software design to selection of computer systems, language, and/or equipment. Designs, develops/codes, tests, and documents critical and complex application programs for comp
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Posted 2 hours ago

Lead/Sr. Oracle OMS Fusion Dev

New York Technology Partners

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Remote

Contract

Required Skills: 7+ years experience Strong implementation experience with Oracle OMS fusion Experience building integrations using Oracle Integration Cloud (OIC) Experience customizing the Oracle OMS fusion application. Must work PST hours
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Posted 1 day ago

Component Engineer - (SR. Mbr Engrg Staff) (HYBRID TELEWORK)

Lockheed Martin Corporation

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Remote or Moorestown, New Jersey, USA

Full-time

Job Description WHO WE ARE We are committed to work-life balance by promoting this hybrid telework opportunity. These job requirements allow the employee to work at a Lockheed Martin-designated office or job site for part of their schedule and has a predefined regular, recurring telework schedule for the remaining part of their work schedule. At Lockheed Martin Rotary and Mission Systems, we are driven by innovation and integrity. We believe that by applying the highest standards of business e
Posted 21 days ago | Updated 10 hours ago

Sr Backend Node.js Engineer / Hybrid / AWS / GraphQL

Motion Recruitment Partners, LLC

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Chicago, Illinois, USA

Full-time

We're hiring a Backend Node Engineer to join a fast-growing, well-funded InsureTech startup that recently secured $36M in Series B funding as it expands its U.S. engineering presence. This is a unique opportunity to be an early contributor on a high-impact team working at the intersection of real estate, insurance, and technology - all within a fast-paced, high-ownership environment. The company is building a fully digital insurance platform tailored to landlords of smaller multi-unit properties
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Posted 60+ days ago | Updated 7 hours ago

Lead Threat Detection Engineer

McKesson Corporation

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Remote or Irving, Texas, USA

Full-time

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve - we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patien
Posted 60+ days ago | Updated 10 hours ago

Platform Support Engineer / Remote / EDE - IBM Cloud Pak for Data

Lockheed Martin Corporation

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Remote or King of Prussia, Pennsylvania, USA

Full-time

Job Description The EDE (IBM Cloud Pak for Data) Platform Support Engineer will be part of a team that empowers Lockheed Martin to leverage data and AI to drive business insights, improve decision-making, and accelerate our digital transformation journey. This role is a blend of Systems Support Engineering and Data Engineering, providing front-line troubleshooting, triage, and issue / ticket resolution for internal clients. The position will support a 24-X 7 weekly on-call rotation schedule and
Posted 60+ days ago | Updated 10 hours ago

Senior C#/React Native Mobile Engineer/Entertainment/Remote

Motion Recruitment Partners, LLC

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Remote or Philadelphia, Pennsylvania, USA

Full-time

A large company in the entertainment industry is hiring for a senior .NET/React Native developer. The firm needs someone with a strong background in .NET and React Native and has a background in entertainment and streaming to do full stack development on a customer facing product used by thousands of people daily. *This role is remote, but requires that you work EST hours* The company's main focus will be expanding, improving, and upgrading their customer facing platform. They are looking to bri
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Posted 35 days ago | Updated 7 hours ago

Senior IT Security Engineer (Hybrid Work Schedule)

Virginia Jobs

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Remote or Richmond, Virginia, USA

Full-time

Title: Senior IT Security Engineer (Hybrid Work Schedule) State Role Title: Salary Non-Specified Hiring Range: $121,581 - $155,000 Pay Band: UG Agency: Virginia Retirement System Location:Virginia Retirement System Agency Website:;br> Recruitment Type: General Public - G Job Duties Hybrid Work Schedule: this position will work onsite two days a week (Tuesday and Wednesday) and 3 days remotely (Monday, Thursday and Friday). VRS is seeking a highly skilled and experienced Senior IT Security Engi
Posted 60+ days ago | Updated 10 hours ago