797 Operational Test Engineer jobs in Chicago,IL

Process Simulation Twin & Optimization Engineer - Refinery Experience Only

Aramco

Chicago, IL 60290

Onsite

You must hold a Bachelor's degree in Chemical Engineering.
You will have a minimum of 15 years of experience in Process Simulations, Online Modeling, or Real-Time Optimization (preferably ROMeo).
You will be able to Demonstrate expertise in process engineering and flowsheet-based processes simulation.
You will have comprehensive understanding of refinery facilities, feedstock/product movements, margins, giveaways, process yields, and mass and energy balances.
Demonstrated experience connecting simulations to live data sources (Data Historians, OPC, etc.).
Strong understanding of data reconciliation, model tuning, and dealing with gross errors in industrial data is also required.

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New, Posted 12 hours ago

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Reliability Engineer

Advanced Technology Services

Chicago, IL 60642

New, Posted 15 hours ago

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Lead Software Engineer, Warehouse Management

Crate & Barrel

Northbrook, IL 60062

Remote

8+ years of professional software development experience
Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience)
Strong proficiency in one or more relevant programming languages, .NET and C#
Proven experience leading the delivery of complex software solutions in an agile environment
Fluency in Kubernetes/AKS and advanced SDLC/GitOps practices (blue/green, canary, observability stack design)
Experience integrating with cyber-physical systems (robots, ASRS, IoT) including secure service communication and latency domain orchestration
Deep knowledge of WES/WMS, supply chain automation, and multi‑site orchestration for high‑availability logistics or manufacturing systems
Experience with cloud platforms (e.g., AWS, Azure, GCP) and related technologies
Understanding of CI/CD pipelines and DevOps practices
Expertise in designing domain‑driven microservices (stateful/stateless), eventing patterns (sourcing, idempotency, replay), and high‑volume, low‑latency systems
Ability to build AI/ML inference systems, model-serving APIs, and recommendation pipelines with full auditability and lifecycle management
Proven track record of modernizing legacy systems using strangler patterns and decomposing monoliths in complex operational environments
Deep understanding of software architecture principles, design patterns, and system scalability
Strong problem-solving, analytical, and debugging skills
Strong communication, collaboration, and interpersonal skills
Strong technical leadership skills with the ability to set technical vision and guide a team
Actively participate in and champion team ceremonies contributing to the successful delivery of sprint goals and continuous process improvement
Stay up-to-date with the latest technologies and trends, proactively identifying opportunities for improvement and innovation within the engineering processes and technology stack
Mentor and guide junior and mid-level engineers, fostering their technical growth, providing constructive feedback, and promoting a collaborative team environment
Tackle complex technical challenges, troubleshoot issues, and provide innovative solutions
Conduct thorough and constructive code reviews to ensure code quality and knowledge sharing within the team
Establishes and champions high standards for knowledge management within the team, ensuring clear, comprehensive, and easily accessible documentation for all developed features and solutions
Provide strong technical leadership and guidance to the software engineering team, setting the technical vision and ensuring alignment with product goals
Lead the design, development, and deployment of complex software solutions, taking ownership of technical deliverables from conception to launch, within an iterative development process
Ability to work in a fully remote environment

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Nuclear Engineer

U.S. Navy

Stickney, IL 60402

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Cost Engineering & Sourcing Strategy Analyst

Ace Hardware Corporation

Oak Brook, IL 60523

$88,400-$110,700/yr

~ 27 min OnsiteChildcare AssistanceEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Bachelor's degree or graduate degree preferred
Experience: Minimum of 3-5 years' prior work experience
Experience developing creative solutions that provide win-win outcomes in difficult or ambiguous situations
Proficient in the use of Microsoft Office Suite
Intermediate to advanced Excel skills with a passion for discovering answers and insights
Experience with sourcing software (Coupa, Jaggaer, etc) a plus
Able to interpret complex, large volume and sometimes contradictory data to develop fact-backed insights and strategies
Demonstrated analytic abilities with an emphasis on critical thinking, root cause analysis, and problem solving required
Ability to collaborate effectively in a cross functional team setting to share insights, co-create outputs and iterate with speed
Demonstrated self-starter and ability to semi-independently run analysis to drive to answers
Clear, proactive and collaborative communicator
Can tactfully address issues with internal and external business partners
Demonstrates poise, composure, presence, communication skills and an understanding of key data drivers to establish rapport and respect with negotiation partners
Experience working in Manufacturing, engineering, commodity trading, sourcing, analytics, forecasting, merchandising, product design, category management, consulting, project management
Able to work in roles involving cross-functional collaboration with Merchandising, Category Management, Finance and Pricing
Education: Applicable fields of study include but are not limited to: Business, economics, engineering, analytics, mathematics, data science, supply chain, purchasing, merchandising, manufacturing, product design

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New, Posted 11 hours ago

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Quality Technician

Ecolab

Glenwood, IL 60425

$30/hr

~ 44 min OnsiteChildcare AssistanceEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

High School diploma or equivalent
3 years of experience in an equipment assembly or electrical-related assignment
3 years of experience working on industrial equipment utilizing computerized (PLC) control systems to perform process operations
Experience using hand and power tools and basic size/weight measuring devices
Experience using electrical process calibration tools, including multi-meters, signal generators, and amprobes
Experience with low voltage AC (<600VAC) and DC (<50VDC) circuit assembly
No Immigration Sponsorship available for this opportunity
This position requires regularly lifting and carrying 50lbs

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New, Posted 1 day ago

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Reliability Engineer – OnePay

Synchrony Financial

Chicago, IL 60695

Remote

Bachelor's degree and a minimum of 3 years of relevant experience in application development, reliability engineering, systems engineering, and/or production application support (or equivalent practical experience) or in lieu of degree, High School/GED and 5+ years of relevant experience.
Good understanding of the nature of distributed systems and cloud providers.
Solid understanding of cloud concepts such as containerization, message queues, load balancing, data replication, and HA patterns.
Understanding of IT application support processes, including incident management, problem resolution, and operational/support metrics used for decision-making.
Knowledgeable in UNIX Operating System fundamentals.
Familiar with network programming concepts and protocols.
Proficiency in DevOps concepts and Site Reliability Engineering (SRE) principles, including automation, monitoring, and reliability best practices.
Hands-on experience with scripting/automation in at least one language such as Python, Bash, JavaScript, PowerShell, Go, or similar.
Familiar with one or more configuration automation/tools such as Terraform, Ansible, Puppet, Chef, etc.
Understanding of the infrastructure of the applications supported.
Working knowledge of SDLC and Agile methodologies such as Scrum and Kanban.
Strong communication skills (verbal and written) and ability to interact with multiple audiences including developers, managers, and senior executives.
Customer-focus mindset; self-driven, detail-oriented; strong organizational and time management skills; operates with limited supervision.
Well-developed analytical and problem-solving skills.
Continuously seeking opportunities to enhance products/services through process improvements.
Ability and flexibility to travel for business as required

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Senior Associate, Cloud Engineering - CMDB

KPMG

Chicago, IL 60629

OnsiteHealth InsuranceRetirement Benefit

Minimum three years of recent experience in IT infrastructure technology management and architecture including IaaS/PaaS/DevOps cloud transformation programs and infrastructure automation, prior system/storage; admin/engineering experience and consulting experience; four years of cloud strategy, migration, and transformation leadership including cloud services (IaaS/PaaS) implementation & migration, including Azure or AWS
Bachelor's degree in Computer Sciences from an accredited college/university
Must be authorized to work in the U.S. without the need for employment-based visa sponsorship now or in the future. KPMG LLP will not sponsor applicants for U.S. work visa status for this opportunity (no sponsorship is available for H-1B, L-1, TN, O-1, E-3, H-1B1, F-1, J-1, OPT, CPT or any other employment-based visa)
Ability to travel as needed

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Structural Engineer

Constellation Energy

Berwyn, IL 60402

~ 20 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

Bachelor&rsquos; degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear)
Bachelor&rsquos; degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 2 years of nuclear or related engineering experience
Bachelor&rsquos; degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience
Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

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Drafter / AutoCAD Technician / Project Engineer

SG Metal & Glass

Chicago, IL 60647

$40,000-$70,000/yr

OnsiteHealth InsurancePaid Time OffRetirement Benefit

AutoCAD Proficiency
Minimum of 2 years of experience in commercial construction drafting or project engineering
Advanced proficiency in AutoCAD with a proven ability to interpret complex architectural and structural drawings
Demonstrated understanding of how glazing or facade systems are coordinated, fabricated, and installed
Strong organizational skills necessary for managing multi-phase project documentation and strict deadlines

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