485 engineering jobs at 143 companies in Decatur, IL

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Engineering Analyst
Warrenville or Byron or Marseilles or Braceville or Morris or Clinton or Cordova or Kennett Square or Pottstown or Delta or Oswego or Lusby
$118k-$148k/yr HybridFull Time
Constellation Energy
Constellation EnergyNASDAQ: CEG: Produces carbon-free electricity and supplies energy to customers.
5+ YOEBachelor's/Associate's/HS + extensive nuclear or related industry experience; working knowledge of engineering processes; ability to maintain unescorted access and pass medical/testing. Project management and training coordinator experience preferred.
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Sr. Engineering Manager - Transportation
Lisle or Belleville or Champaign or Effingham or Normal or Peoria or Pontiac or Springfield or Tinley Park or Nashville or St. Louis or United States
$125k-$165k/yr HybridFull Time
Farnsworth Group
Farnsworth Group: Nationally recognized architectural, engineering, and surveying firm.
15+ YOE15+ years transportation engineering experience; IL PE license; BS Civil Engineering; leadership and client management skills.
MicroStation, ORD, CONNECT, Microsoft Office
4w
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Engineering Specialist – Design
Tucson or Decatur
$128k-$193k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Bachelor's in engineering required; deep technical leadership in supplier and factory quality for rigid frame truck heavy structures; experience with APQP, Built-In Quality, welding digital thread/DWI, CREO/CAD, FEA, and Power BI; ability to lead technical teams and travel up to 20%.
Welding Digital Thread (WDT), Digital Weld Instruction (DWI), APQP, CPPD, CREO, CAD, FEA, Microsoft Power BI, NPI, CPI
6d
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SPECIAL ANALYSIS TECHNICIAN (ENGINEERING TECHNICIAN III)
Springfield, Illinois, United States
$4k-$7k/mo OnsiteFull Time
State of Illinois
State of Illinois: The executive, legislative, and judicial government of Illinois.
2.5+ YOECompletion of two years of college in civil engineering technology or six years engineering experience; valid driver’s license; background screening; knowledge of permit laws, maps, and heavy-haul operations preferred.
Illinois Transportation Automated Permits (ITAP), GIS, Microsoft Office Suite, mainframe
3d
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Engineering Rep (Gas Distribution Mapping Specialist)
Peoria or Decatur
$31-$44/hr OnsiteFull Time
Ameren
AmerenNYSE: AEE: Generates and distributes electric and natural gas utility services.
1+ YOEHigh school diploma or equivalent, successful completion of algebra and DC/AC electricity coursework (or 1 year electricity experience), pass Engineering Representative Training Program; GIS/ArcFM mapping experience preferred.
ArcFM, GIS
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Electrical Engineering Rotation Associate
Addison or Springfield or Cudahy or Madison or Menomonee Falls or Muskego or Pleasant Prairie or Detroit or La Crosse
OnsiteFull Time
Steel Partners
Steel Partners: A diversified holding providing industrial manufacturing and energy services.
0+ YOEBachelor’s in Electrical Engineering; 0–2 years experience; strong analytical/problem-solving; collaborative; CAD/ Matlab/FEA familiarity is a plus.
CAD, Matlab, FEA, Simulation tools
6d
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Structural Engineering Department Manager
Springfield, Illinois, United States
$145k-$177k/yr OnsiteFull Time
Hampton, Lenzini and Renwick
Hampton, Lenzini and Renwick: Civil engineering firm providing infrastructure design, environmental, and surveying services.
10+ YOE3+ MgmtLicensed PE and SE in Illinois, Bachelor's in Civil Engineering, 10+ years civil/transportation experience with 3+ years leadership, strong IDOT familiarity, P&L and client relationship experience.
MicroStation, OpenRoads Designer, Deltek Vision, Vantagepoint
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REMOTE - AI Engineering Manager (Databricks)
Bloomington or Dunwoody or Richardson or Phoenix or Tempe
$151k-$247k/yr HybridFull Time
State Farm
State Farm: Provider of auto, home, life, and health insurance.
2+ YOE2+ Mgmt2+ years managing engineering teams; 1+ year operating production ML/AI systems; 2+ years production Databricks (Delta Lake, Unity Catalog, MLflow, PySpark); Anthropic Claude production experience; production-grade Python, SQL, CI/CD, API design; strong communication.
Databricks, Delta Lake, Unity Catalog, MLflow, PySpark, Anthropic Claude API, Python, SQL, AWS Lambda, AWS ECS, AWS RDS, DataDog, Prometheus, Grafana, Git, CI/CD, CLI tools, VS Code extensions, Streamlit, Gradio, FastAPI, HTMX
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Electromechanical Design Engineering Intern - Fall 2026
Irvine or Palo Alto or Normal
$38-$51/hr OnsiteInternship
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture focusing on automotive software and hardware solutions.
Enrolled in a US Bachelor's or Master's program; electrical engineering fundamentals; strong electronics knowledge.
PCIe, CAN, Ethernet, USB, I2C, SPI, PLM
3mo
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Staff Civil Engineering Technician
Champaign or Austin or Mechanicsburg
$25-$30/hr HybridFull Time
Applied Research Associates
Applied Research Associates: Provides scientific research and engineering solutions for complex problems.
High school diploma; at least 21; able to pass DOT physical; valid driving; willing to travel; flexible schedule; proficient with basic office software.
Microsoft Excel, Microsoft Word, PowerPoint, Data collection equipment, Ground penetrating radar, Pavement testing equipment
3w
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Project Manager - Wastewater Engineering
Champaign, Illinois, United States
$120k-$160k/yr OnsiteFull Time
Trilon Group
Trilon Group: Providing engineering and design services for community infrastructure.
8+ YOE2+ MgmtPE license required, 8+ years engineering experience with 2+ years project management; bachelor’s or master’s in civil engineering preferred; wastewater and biosolids expertise, EPA regulation knowledge, client management, and strong communication.
2mo
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College of Engineering Ambassador
Normal, Illinois, United States
$15/hr OnsitePart Time
Illinois State University
Illinois State University: Public research university providing undergraduate and graduate degree programs.
Active ISU student in good standing; commit to at least two semesters; strong customer service; 6-12 hours weekly; on-campus on Tue/Thu 9am-3pm.
3mo
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Construction Inspector, Civil Engineering
Springfield or Chicago Downtown or St. Louis or Peoria or Lisle
$31-$42/hr OnsiteFull Time
Hanson Professional Services
Hanson Professional Services: Provides engineering and consulting services for infrastructure development.
3+ YOEHigh school diploma; 3+ years construction observation; valid driver’s license; IDOT certifications; CADD knowledge.
CADD (MicroStation or Civil 3D), IDOT QMTP
1mo
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Civil Engineering Regional Leader
Edwardsville or Champaign or Springfield or Illinois
$160k-$220k/yr HybridFull Time
Lochmueller Group
Lochmueller Group: Provider of multidisciplinary infrastructure engineering and environmental planning services.
15+ YOELeads Illinois regional operations with 15+ years in civil engineering and business development; strong leadership, client relations, and growth focus; travel required.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Teams, Project Management Software
2mo
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Engineer 3, Decatur
Decatur, Illinois, United States
$102k-$127k/yr OnsiteFull Time
Primient
Primient: Produces plant-based food and industrial ingredients from corn.
5+ YOEBS in Engineering with 5+ years in manufacturing engineering; Lean/Six Sigma (preferred); project leadership; cross-functional collaboration.
Microsoft Office, SAP, Gensuite, CATS, Outlook
1mo
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Design Engineer
Taylorville, Illinois, United States
$70k-$90k/yr OnsiteFull Time
Grain & Protein Technologies
Grain & Protein Technologies: Designs and manufactures grain storage and protein production systems.
5+ YOEBachelor's in mechanical or agricultural engineering; 5-10 years design/product engineering; Creo/Windchill; BOMs; MS Office; 5-10% travel.
Creo, Windchill, Microsoft Office, Azure DevOps
1mo
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Civil Engineer - Transportation
Springfield, Illinois, United States
$130k/yr OnsiteFull Time
BFW | Marcum
BFW | Marcum: Provides multi-disciplined engineering design, planning, and construction testing services.
10+ YOEBachelor’s in Civil Engineering, IL PE, 10+ years transportation construction engineering, IDOT Phase III experience, strong leadership.
1mo
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Dimensional Engineer
Normal, Illinois, United States
$78k-$98k/yr OnsiteFull Time
Rivian
RivianNASDAQ: RIVN: Designs and manufactures electric vehicles and charging networks.
2+ YOEBachelor’s degree in Mechanical or Manufacturing Engineering with at least 2 years of dimensional engineering experience; GD&T; fixture design; strong communication; automotive manufacturing exposure.
GD&T, Fixture design, Datum strategies, Cubes, Ring gauges, PCFs
2mo
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Application Engineer – HVAC
Monterrey or Morton
HybridFull Time
Yinlun TDI
Yinlun TDIShenzhen Stock Exchange: 002126: Designs and manufactures thermal management systems for vehicles.
3+ YOEBachelor's in mechanical/thermal engineering; 3-8+ years in application engineering, HVAC; automotive or commercial vehicle experience; English and Spanish; CAD tools.
CATIA, NX, SolidWorks, Creo
3mo
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Structural Engineer
Springfield or Bolingbrook or Rock Island
OnsiteFull Time
Kleinfelder
Kleinfelder: Provides engineering, design, and environmental consulting services for infrastructure.
5+ YOEBachelor’s degree in Civil or Structural Engineering; 5+ years of structural engineering experience; Illinois SE license or ability to obtain within 12 months; strong written and verbal communication.
MicroStation, AutoCAD