Engineer III Jobs in Chicago, IL

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Security Engineer III

USG, Inc.

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Chicago, Illinois, USA

Contract

Job Title: Security Engineer Location: Chicago, IL (Hybrid 2 days onsite/week) Duration: 12 Months Contract Note: Only Local Candidates Preferrences Position Summary: Our direct client is seeking an experienced Security Engineer to join their information security team in a hybrid role based in Chicago, IL. This is a highly technical position responsible for designing, integrating, and implementing advanced security infrastructure while ensuring compliance with security standards and regul
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Posted 2 days ago | Updated 9 hours ago

Systems Engineer III

Sierra Nevada Corporation

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Remote or Lone Tree, Colorado, USA

Full-time

Are you a bold thinker? We dream big at Sierra Nevada Corporation-advocating the exploration of space, keeping service members safe and creating the systems that keep our world united and sustain our way of living. Join our team! As a Systems Engineer, you will be using your skills and expertise to research, architect, model, simulate, test, certify and improve cutting edge products and services. You'll be developing complex system architectures within contextual modeling platforms, ushering the
Posted 60+ days ago | Updated 7 hours ago

Systems Engineer III - MBSE

Sierra Nevada Corporation

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Remote or Lone Tree, Colorado, USA

Full-time

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS t
Posted 44 days ago | Updated 7 hours ago

Electrical Engineer III

Sierra Nevada Corporation

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Remote or Lone Tree, Colorado, USA

Full-time

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS t
Posted 45 days ago | Updated 7 hours ago

Mechanical Engineer III

Sierra Nevada Corporation

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Remote or Dayton, Ohio, USA

Full-time

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS t
Posted 15 days ago | Updated 7 hours ago

Systems Engineer III

Sierra Nevada Corporation

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Remote or Dayton, Ohio, USA

Full-time

Are you a bold thinker? We dream big at SNC-advocating the exploration of space, keeping service members safe and creating the systems that keep our world united and sustain our way of living. Join our team! As a Systems Engineer, you will be using your skills and expertise to research, architect, model, simulate, test, certify and improve cutting edge products and services. You'll be developing complex system architectures within contextual modeling platforms, ushering them from operational con
Posted 5 days ago | Updated 7 hours ago

Electrical Engineer III

Sierra Nevada Corporation

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Remote

Full-time

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS t
Posted 60+ days ago | Updated 7 hours ago

Field Service Engineer III (MS)(East Coast)

Thermo Fisher Scientific

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North Carolina, USA

Full-time

Work Schedule First Shift (Days) Environmental Conditions Some degree of PPE (Personal Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs etc.) Job Description Summary: Unity Lab Services, a part of Thermo Fisher Scientific, provides integrated solutions, instrument, and enterprise services to our customers. The Field Service Engineer is responsible for managing all aspects of field service support and customer relationship management including but not limi
Posted 24 days ago | Updated 7 hours ago

Software Engineer III

Kforce Technology Staffing

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Remote or Alpharetta, Georgia, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a remote Software Engineer to join their team. This role will play a critical part in supporting production systems and delivering full stack solutions using .NET and React. Key Responsibilities: * Provide hands-on production support for critical applications * Develop and maintain backend services using .NET * Build and enhance front-end interfaces using React * Collaborate with cross-functional teams to resolve issues and implement improv
Posted 1 day ago | Updated moments ago

Test Engineer III

BCforward

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Remote

Contract

Test Engineer BCforward is currently seeking Test Engineer as a Remote opportunity!! Position Title: Test Engineer Location: Remote Anticipated Start Date: 8/01/2025 Please note this is the target date and is subject to change. BCforward will send official notice ahead of a confirmed start date. Expected Duration: 03+ Months with possibility of extension. Job Type: Contract (>=40 HRS WEEKLY) Pay Range: $80 - $90/HR Please note that actual compensation may vary within this range due to
Posted 11 hours ago

Engineer III, Validation

Thermo Fisher Scientific

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Remote or Waltham, Massachusetts, USA

Full-time

Work Schedule Standard (Mon-Fri) Environmental Conditions Office Job Description COMPANY: Thermo Fisher Scientific Inc. LOCATION: 168 Third Avenue, Waltham, MA 02451 TITLE: Engineer , Validation HOURS: Monday to Friday, 8:00 am to 5:00 pm DUTIES: Perform technical diagnosis of operational problems, repairs, and calibrations on a wide range of laboratory equipment to ensure that the equipment is operating to the customer's complete satisfaction and manufacture specifications; Perform techn
Posted 25 days ago | Updated 7 hours ago

Electrical/Mechanical Engineer III - Electrical Wiring and Interconnection Systems (EWIS)

Sierra Nevada Corporation

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Remote or Plano, Texas, USA

Full-time

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS t
Posted 21 days ago | Updated 7 hours ago

Software Dev Engineer III

Kforce Technology Staffing

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Remote or Seattle, Washington, USA

Contract

RESPONSIBILITIES: Kforce has an enterprise client that is seeking a Software Dev Engineer in Seattle, WA. Key Tasks: * Software Dev Engineer will design, develop, implement, test, document and deploy full-stack, cloud-native software applications, tools, systems and services using multi-threaded programming, development in Python and React/node.js, implementing architecture patterns and design patterns, and utilizing generative AI large language models * Assist in gathering and analyzing busi
Posted 3 days ago | Updated moments ago

Missile Systems Integration & Test Engineer III

Sierra Nevada Corporation

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Remote or Lone Tree, Colorado, USA

Full-time

Sierra Nevada Corporation (SNC) is seeking a dynamic and skilled Systems Integration & Test Engineer to play a critical role in the research, design, development, testing, certification, deployment, and improvement of cutting-edge products and services. This role will involve designing and testing of advanced autonomous aircraft and missile systems, managing the product life-cycle from subsystem design through to fully integrated systems. These cover a very wide range from advanced mission paylo
Posted 60+ days ago | Updated 7 hours ago

Software Engineer III - Netsuite Developer

Kforce Technology Staffing

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Remote or Jeffersonville, Indiana, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a Software Engineer -NetSuite Developer in Jeffersonville, IN. The contract length is 6 months with a 6-month extension. This role is 100% Remote - EST CST preferred (candidate needs to be online by 10AM EST for stand up). Duties Include: * Develop and maintain web APIs to support Enterprise Systems integration * Develop and maintain Enterprise Application Integration adapters that support business workflows, data migration and customer sup
Posted 15 days ago | Updated moments ago

Platform Engineer III

AFLAC

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Remote

Full-time

Salary Range: $95,000 - $140,000 Job Posting End Date: 7/31/25 We've Got You Under Our Wing We are the duck. We develop and empower our people, cultivate relationships, give back to our community, and celebrate every success along the way. We do it all The Aflac Way . Aflac, a Fortune 500 company, is an industry leader in voluntary insurance products that pay cash directly to policyholders and one of America's best-known brands. Aflac has been recognized as Fortune's 50 Best Workplaces for Div
Posted 60+ days ago | Updated 3 hours ago

Software Engineer III

Habemco, LLC

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Remote

Full-time

Software Engineer Job DetailsJob LocationRemote - United StatesPosition TypeFull TimeEducation LevelBachelor DegreeJob CategoryEngineeringDescriptionHabemco is a shared services company wholly owned and operated by the Habematolel Pomo of Upper Lake, a federally recognized Native American tribe located in Northern California. Habemco s support services such as product development and technology which are needed for business growth, ultimately power the Tribe s economy, and enable the delivery o
Posted 35 days ago | Updated 2 days ago

Engineer III, Validation

Thermo Fisher Scientific

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Remote or Fair Lawn, New Jersey, USA

Full-time

Work Schedule Standard (Mon-Fri) Environmental Conditions Office Job Description When you're part of Thermo Fisher Scientific, you'll do meaningful work, and join a team that values performance, quality and innovation. As part of a successful, growing global organization you will be encouraged to perform at your best. With revenues of more than $40 billion and the largest investment in R&D in the industry, we give our people the resources and chances to create significant contributions to the
Posted 59 days ago | Updated 7 hours ago

P25-231186 - Software Engineer III

FedEx Office

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Remote or Memphis, Tennessee, USA

Full-time

About FedEx Dataworks: Born out of FedEx, a pioneer that ships nearly 20 million packages a day and manages endless threads of information, FedEx Dataworks is an organization rooted in connecting the physical and digital sides of our network to meet today's needs and address tomorrow's challenges. We are creating opportunities for FedEx, our customers, and the world at large by: Exploring and harnessing data to define and solve true problems Removing barriers between data sets to create new ave
Posted 22 days ago | Updated 7 hours ago

Customer Authentication Engineer III- Remote

ConsultNet, LLC

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Remote or Birmingham, Alabama, USA

Full-time

Customer Authentication Engineer Remote (CST or EST) 6-month Contract Pay Rate: $45.00 - $50.00 per hr. The Customer Authentication Engineer manages the day-to-day maintenance and operation of Authentication and related security systems to ensure that controls are adequate and effective in protecting customers, the environment, and employees. Primary Responsibilities Contractor role to help onboard a new application that is used for the account origination flow. Customer authentication is ke
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Posted 38 days ago | Updated 6 hours ago