1136 Operational Security Engineer jobs in Chicago,IL

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Industrial Communications Engineer

Aramco

Chicago, IL 60290

Onsite

Bachelor's degree in Engineering (Electrical, Telecommunications, or Electronics and Communication), or a related field from an accredited university.
20 years of progressive experience in telecommunications, including at least 5 years focused on radio communications, satellite communications, and 5G technologies.
Must have knowledge of telecommunications systems, including network architecture, protocol, infrastructure design, and performance optimization.
These include but not limited to: Experience in IoT/IIOT and its applications in telecommunications
Experience in civil engineering and underground infrastructure, including the design and implementation of fiber-optic cables and other telecommunications infrastructure
Experience in wireless communications, including Industrial wireless protocols (i.e., ISA100 and WirelessHART)
Strong understanding of telecommunications standards and regulations, including those related to 5G, 6G, satellite, and radio communications.
Must be recognized as a proven expert within the industry and professional societies and industrial organizations.

SmartExplore AI is experimental.

New, Posted 1 day ago

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Reliability Engineer

Advanced Technology Services

Bellwood, IL 60104

New, Posted 14 hours ago

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Lead Turnaround Engineer - Refinery Experience Only

Aramco

Chicago, IL 60290

Onsite

You will hold a Bachelor's degree in Engineering from a recognized and approved program.
You will have a minimum of 12 years-experience in Turnaround Management including planning & execution in the Oil & Gas Downstream sector (Refining & Petrochemicals)
You will have thorough knowledge and experience in turnaround stage gated concept.
You must have good understanding of competitiveness, and Solomon indices pertaining to turnaround performance.
SAP system proficiency is required.

SmartExplore AI is experimental.

New, Posted 1 day ago

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HVM-Sr. Sales Engineer - Technical - Midwest

VERTIV

Chicago, IL 60290

$121,767-$152,205/yr

New, Posted 1 day ago

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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

Minimum of 3-5 years' prior work experience
Experience: Manufacturing, engineering, commodity trading, sourcing, analytics, forecasting, merchandising, product design, category management
Prior experience with sourcing software (Coupa, Jaggaer, etc) a plus
Education: Bachelor's degree or graduate degree preferred
Applicable fields of study include but are not limited to: Business, economics, engineering, analytics, mathematics, data science, supply chain, purchasing, merchandising, manufacturing, product design
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 developing creative solutions that provide win-win outcomes in difficult or ambiguous situations
Skilled in coordinating timelines and project managing across multiple simultaneous projects
Proficient in the use of Microsoft Office Suite
Intermediate to advanced Excel skills with a passion for discovering answers and insights
Preferably has previous experience using reporting tools such as Alteryx and Power BI
Experience with sourcing software (Coupa, Jaggaer, etc) a plus

SmartExplore AI is experimental.

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Engineering, Sr Manager

Constellation Energy

Melrose Park, IL 60164

Reliability Engineer - Industrial Maintenance

Advanced Technology Services Careers

Chicago, IL 60629

New, Posted 7 hours ago

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Principal Software Engineer

Mastercard

Chicago, IL 60290

RemoteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Extensive experience in designing and delivering large-scale, distributed systems and platforms.
Proven ability to influence technical strategy and drive architectural decisions across multiple teams.
Strong expertise in modern software engineering practices, cloud-native architectures, and AI/data platforms.
Exceptional communication and leadership skills with a track record of mentoring and thought leadership.
Bachelor's degree in Computer Science, Software Engineering, or a related technical discipline.
Data Architecture & Strategy
Focus on designing modern, scalable, governed data ecosystems.
Data strategy and product-aligned data architectures
Modern database technologies and migration away from legacy Oracle
Data lakehouse architectures supporting analytics and ML workloads
Feature catalog / feature engineering platforms
High-Throughput, Low-Latency, and Real-Time Systems
Critical for Mastercard's real-time decisioning and event-driven platforms.
Event streaming and high-throughput data pipelines
Low-latency data technologies (distributed caches, grid replacement)
Real-time transaction processing and sub-second decisioning
Rules engine design and modernization
Cloud Infrastructure, Platform Engineering & DevOps
Driving cloud-native engineering practices and operational excellence.
AWS infrastructure engineering and cloud-native platform patterns
DevOps and platform engineering (automation, CI/CD, observability, GitOps)
ML lifecycle engineering (model training, deployment, refresh, inference)
Deep, progressive experience in software engineering.
Proven technical leadership roles influencing architecture and design across multiple teams.
Proven track record of delivering large-scale, distributed systems and enterprise-grade platforms.