38 Results for

Chemical Engineering Jobs in Decatur, IL

Jobs

Decatur, IL10 days ago

We collect the following categories of personal information for the purpose of hiring the best qualified applicants and to comply with applicable employment laws: Name and contact information; Job preference and work availability; Social Security Number and/or other identification information; Education and qualifications; Employment history and experience; Military service; Reference and background check information, including relevant criminal history and credit history; Social media information; Pre-employment test results; Post-offer medical examination information and results, including drug test results; Voluntary self-disclosure information regarding minority, veteran, and disability status; and Information provided by you during the hiring process. As a member of the Global Operation Support Team, the Process Improvement Engineer will be responsible for providing technical support across the Global Operations division and leading a portfolio of projects to support the Company and Department goals, focusing on cost reduction and operational improvement.

New!

Kaskaskia, ILToday

Accountability includes departmental KPIs, operating and capital budgets, major kiln outages and turnaround execution, and the implementation of continuous improvement initiatives using data-driven and root-cause methodologies. The role requires strong technical credibility, excellent communication skills, visible leadership, and the ability to develop high-performing teams through effective coaching, analytical problem-solving and sound operational decision-making.

IL27 days ago

$167,500–$282,325 Per Year

Director of Marketing for Avantor Production Chemicals Portfolio will be responsible for creating demand, shaping market perception, and translating customer insights into action to drive growth across Avantor's chemicals portfolio, including brands such as JT Baker. Customer Insight and Voice of Customer (VOC): Lead structured programs to collect and analyze customer feedback, win/loss outcomes, and competitive intelligence; publish actionable insight reports that guide product and commercial priorities.

New!

Decatur, Illinois4 days ago

We collect the following categories of personal information for the purpose of hiring the best qualified applicants and to comply with applicable employment laws: Name and contact information; Job preference and work availability; Social Security Number and/or other identification information; Education and qualifications; Employment history and experience; Military service; Reference and background check information, including relevant criminal history and credit history; Social media information; Pre-employment test results; Post-offer medical examination information and results, including drug test results; Voluntary self-disclosure information regarding minority, veteran, and disability status; and Information provided by you during the hiring process. The Manager, Chemicals Procurement is responsible for category strategy within chemicals business areas, translating enterprise priorities into actionable plans that optimize cost, mitigate risk, and enhance operational effectiveness.

Atlanta, IL11 days ago

$19.86–$31.76 Per Hour

While we provide this range as general guidance, several factors are taken into consideration when making compensation decisions including, but not limited to, candidate skill set, experience and training, licensure and certifications, work location, and other business and organizational needs. Our size can help us weather a storm, but with that ability comes a great responsibility-to our growers and customers, our employees and shareholders, our communities, and the planet.

Decatur, IL30+ days ago

$30–$35 Per Hour

This position will interact with several team members including the Failure Analysis team, the NDE management team, the AMT Laboratory team, the Chemical team, the **** Decatur quality team, external suppliers & customers. - This position will require the engineer to work within the Failure Analysis & Met Lab groups and contribute to the immediate AMT Decatur team as well as internal & external process partners.

Clinton, Illinois30+ days ago

Provide overall proactive management of the site engineering function including System Engineering, Design Engineering, Engineering Programs and Engineering Administration with respect to station needs and regulatory requirements. Provide overall management of the site engineering function including System Engineering, Design Engineering, Engineering Programs, and Engineering Administration with respect to station needs and regulatory requirements.

Decatur, IL30+ days ago

Serve as the central engineering interface between project teams, EPC contractors, and internal stakeholders including Mechanical Integrity, Structural Integrity, Engineering Services, Reliability, Safety, Plant Operations, and CAPEX groups. Ideal work locations for this position include Decatur, IL; Omaha NE; Lincoln NE; Fremont NE; Columbus NE; Des Moines IA; Cedar Rapids IA; Clinton IA; Kansas City MO; St Louis MO; Minneapolis MN; Marshall MN; Mankato MN; Chattanooga TN; Dawson GA; Valdosta GA; or Erlanger KY.

Decatur, IL30+ days ago

$92,800–$174,000 Per Year

Serve as the central engineering interface between project teams, EPC contractors, and internal stakeholders including Mechanical Integrity, Structural Integrity, Engineering Services, Reliability, Safety, Plant Operations, and CAPEX groups. We are committed to attracting and retaining a diverse workforce and create welcoming, truly inclusive work environments — environments that enable every ADM colleague to feel comfortable on the job, make meaningful contributions to our success, and grow their career.

Decatur, IL30+ days ago

An ideal candidate will have strong hands‑on experience in analytical laboratory techniques, along with familiarity or applied exposure to chemometrics, statistics, or modeling concepts gained through academic coursework or professional experience. This role may support both laboratory analyses and applied chemometric and statistical workflows, working closely with senior scientists and cross‑functional teams.

Decatur, IL30+ days ago

D. Degree in a technical field (chemistry, chemical engineering, biological engineering preferred) or a Master's Degree in a technical field (chemistry or chemical engineering preferred), ideally with 10+ years of separations process development experience is preferred. The candidate will be expected to work with diverse technical project teams towards the timely completion of project goals which will require building strong relations with various groups including plant operations, business development and R&D.

Clinton, Illinois19 days ago

$92,700–$114,000 Per Year

Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. All other job assignments and/or duties pursuant to company policy or as directed by management to include but not limited to: (Emergency Response duties and/or coverage, Department duty coverage and/or call out, and positions outside of department in support of outage activities etc.).

Remote City, IL11 days ago

Remote

$79,000–$158,000 Per Year

About NORESCO: NORESCO's Sustainability Services consulting group offers a full suite of energy, decarbonization, and sustainable services, including energy auditing, new building commissioning and retro-commissioning, energy & daylighting analysis, building certification consulting (including LEED, WELL, Fitwel, Green Globes, ENERGY STAR), and sustainability and climate action master planning. Support the technical team during all phases of project development including overall responsibility in conducting energy audits, site investigations, ECM scope development, energy savings calculations, and developing cost estimates for smaller federal, commercial and institutional facilities.

Decatur, IL30+ days ago

The successful candidate will combine strong scientific and analytical skills with strategic project management and clear communication, ensuring research initiatives align with business objectives and deliver measurable value. Leadership & Innovation: Recognized subject matter expert in commercial-scale ethanol fermentation design and optimization; capable of leading research initiatives from concept through implementation.

Decatur, IL30+ days ago

$72,900–$136,200 Per Year

We are committed to attracting and retaining a diverse workforce and create welcoming, truly inclusive work environments - environments that enable every ADM colleague to feel comfortable on the job, make meaningful contributions to our success, and grow their career. The Decatur Complex, located in Decatur, IL, consists of 6 processing plants, onsite cogeneration and water treatment facilities, and employs ~1500 Plant Operations Colleagues and an additional ~1000 Contractors.

Decatur, IL30+ days ago

$90,000–$144,200 Per Year

We are committed to attracting and retaining a diverse workforce and create welcoming, truly inclusive work environments — environments that enable every ADM colleague to feel comfortable on the job, make meaningful contributions to our success, and grow their career. The successful candidate will combine strong scientific and analytical skills with strategic project management and clear communication, ensuring research initiatives align with business objectives and deliver measurable value.

Decatur, IL20 days ago

$70,400–$129,000 Per Year

D. Degree in a technical field (chemistry or chemical engineering preferred) or a Master's Degree in a technical field (chemistry or chemical engineering preferred) and 3+ years of process development experience, or a Bachelor's Degree in a technical field (chemistry or chemical engineering preferred) and 5+ years of process development, ideally in separations process development, is required. We are committed to attracting and retaining a diverse workforce and create welcoming, truly inclusive work environments - environments that enable every ADM colleague to feel comfortable on the job, make meaningful contributions to our success, and grow their career.

Illinois7 days ago

Bachelor or Master’s degree in Chemical Engineering, Biomedical Engineering, Electrical Engineering, Industrial Engineering, Mechanical Engineering, Supply Chain Management, General Engineering or a Life Sciences Major.   . Our portfolio of life-changing technologies spans the spectrum of healthcare, with leading businesses and products in diagnostics, medical devices, nutritionals and branded generic medicines.

Decatur, IL19 days ago

$70,400–$129,000 Per Year

D. Degree in a technical field (chemistry or chemical engineering preferred) or a Master’s Degree in a technical field (chemistry or chemical engineering preferred) and 3+ years of process development experience, or a Bachelor’s Degree in a technical field (chemistry or chemical engineering preferred) and 5+ years of process development, ideally in separations process development, is required. We are committed to attracting and retaining a diverse workforce and create welcoming, truly inclusive work environments — environments that enable every ADM colleague to feel comfortable on the job, make meaningful contributions to our success, and grow their career.

Clinton, Illinois28 days ago

Responsible for creating and modifying simulation software logic and dynamic models used at a nuclear power plant in the Main Control Room Simulator, including simulator software maintenance, model minor plant modifications, and enhancements with minimal support. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes.

Decatur, IL18 days ago

$84,300–$134,900 Per Year

We are committed to attracting and retaining a diverse workforce and create welcoming, truly inclusive work environments - environments that enable every ADM colleague to feel comfortable on the job, make meaningful contributions to our success, and grow their career. If hired, employees will be in an "at-will position" and the Company reserves the right to modify base pay (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors.

Decatur, IL15 days ago

$84,300–$134,900 Per Year

We are committed to attracting and retaining a diverse workforce and create welcoming, truly inclusive work environments — environments that enable every ADM colleague to feel comfortable on the job, make meaningful contributions to our success, and grow their career. If hired, employees will be in an “at-will position” and the Company reserves the right to modify base pay (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors.

New!

Decatur, IL4 days ago

$76,100–$142,700 Per Year

The Senior Process Engineer will also develop a portfolio of capex and non-capex improvement projects for their area as an output of the above process and owns the capex portfolio full scope of work for their process area; including scope definition, prioritization, interfacing with operations, guiding and directing the project engineering team, and will have accountability for the delivery and performance of projects, driving the 1-year and 5-year capex plans within their process area. The Senior Process Engineer leads the team in evaluating and prioritizing improvements from the opportunity list for implementation and works cross-functionally with technology experts and operations, reliability and maintenance teams to collect data required to complete scope definition for improvement projects and activities.

Decatur, IL20 days ago

$45–$95 Per Hour

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market.

Decatur, IL30+ days ago

$27–$30 Per Hour

3334149No6007548810.00.010-Sep-2025Milling Operations Intern - Various US LocationsOperations: Manufacturing, Production, Maintenance, Utilities Milling Operations Internship - Summer 2026 Launch your career with ADM's Summer Internship Program! ADM offers competitive pay during your full-time (40-hour/week) internship, including fully-furnished housing and transportation assistance (mileage reimbursement) available based on your assigned location and distance from home - all designed to support a seamless transition.

Decatur, IL30+ days ago

$69,700–$120,000 Per Year

You'll be mentored by senior ADM milling, operations and commercial leaders while honing your leadership skills through a variety of projects and assignments that will test your creative agility: You'll be part of a leadership team facing complex challenges and will wear multiple hats to help solve them. 3334153No6007548810.00.010-Sep-2025Milling Operations Leadership Development Program - Various LocationsEngineeringMilling Operations Leadership Development Program - Full Time Various US Locations This is an exempt level position.

Decatur, IL18 days ago

$70,400–$129,000 Per Year

Responsibilities: Partner with Research project teams to identify, develop, and implement new grain and oilseeds processing technologies for new products and processes, process improvements, and troubleshooting to deliver best in class solutions before commercialization. Previous experience in laboratory or piloting experimental design and execution for new product development or process optimization is highly desired; a good understanding of laboratory equipment and maintenance, methodology, and laboratory safety are highly desirable.

Decatur, IL29 days ago

$55,100–$83,100 Per Year

Partner with Research project teams to identify, develop, and implement new grain and oilseeds processing technologies for new products and processes, process improvements, and troubleshooting to deliver best in class solutions before commercialization. We are committed to attracting and retaining a diverse workforce and create welcoming, truly inclusive work environments — environments that enable every ADM colleague to feel comfortable on the job, make meaningful contributions to our success, and grow their career.

Decatur, IL30+ days ago

$60,000–$92,000 Per Year

We are committed to attracting and retaining a diverse workforce and create welcoming, truly inclusive work environments — environments that enable every ADM colleague to feel comfortable on the job, make meaningful contributions to our success, and grow their career. If hired, employees will be in an “at-will position” and the Company reserves the right to modify base pay (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors.

Decatur, IL15 days ago

$70,400–$129,000 Per Year

Partner with Research project teams to identify, develop, and implement new grain and oilseeds processing technologies for new products and processes, process improvements, and troubleshooting to deliver best in class solutions before commercialization. Previous experience in laboratory or piloting experimental design and execution for new product development or process optimization is highly desired; a good understanding of laboratory equipment and maintenance, methodology, and laboratory safety are highly desirable.

Decatur, IL30+ days ago

The Project Manager works in a Matrix environment to develop Technology Development Plans, drives a cross-functional, integrated team of engineers, researchers, and business analysts towards objectives on an established timeline, and communicates progress and hurdles to key stakeholders as the project progresses. Core Competencies: Project management, leadership, time management and prioritization, communication, integrity, mechanical and technical aptitude, analytical ability, problem solving, independent judgment, teamwork, persistence, detail oriented and safety commitment.

Decatur, IL30+ days ago

Additional responsibilities will be to monitor the manufacturing processes to ensure product quality and efficiency, analyze data to identify areas of improvement and implement changes to drive improvement. JOB SUMMARY Matheson is seeking a motivated Junior Process Engineer to join our fast-paced engineering team in our CO2 and dry ice division.

Decatur, IL30+ days ago

$107,900–$166,500 Per Year

The Project Manager works in a Matrix environment to develop Technology Development Plans, drives a cross-functional, integrated team of engineers, researchers, and business analysts towards objectives on an established timeline, and communicates progress and hurdles to key stakeholders as the project progresses. We are committed to attracting and retaining a diverse workforce and create welcoming, truly inclusive work environments — environments that enable every ADM colleague to feel comfortable on the job, make meaningful contributions to our success, and grow their career.

Decatur, IL30+ days ago

Decatur, IL20 days ago

$90,000–$144,200 Per Year

We are committed to attracting and retaining a diverse workforce and create welcoming, truly inclusive work environments — environments that enable every ADM colleague to feel comfortable on the job, make meaningful contributions to our success, and grow their career. If hired, employees will be in an “at-will position” and the Company reserves the right to modify base pay (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors.

Decatur, IL18 days ago

$107,900–$166,500 Per Year

We are committed to attracting and retaining a diverse workforce and create welcoming, truly inclusive work environments — environments that enable every ADM colleague to feel comfortable on the job, make meaningful contributions to our success, and grow their career. Working closely in support of business unit leadership and with Legal, Operations, Communications, and other cross-functional corporate stakeholders, the LCA Specialist supports the selection and assessment of products for LCAs.

Illinois, IL15 days ago

$120,000–$140,000 Per Year
Full-time

This role is responsible for driving profitable growth within a defined territory, developing strategic customer relationships, and delivering consultative, solution-based sales across a portfolio of specialty personal care ingredients. With a well-established international footprint and a growing presence across North America, the organization partners with leading global manufacturers to deliver high-performance ingredients along with technical formulation support.

Decatur, IL30+ days ago

$72,900–$136,200 Per Year

We are committed to attracting and retaining a diverse workforce and create welcoming, truly inclusive work environments — environments that enable every ADM colleague to feel comfortable on the job, make meaningful contributions to our success, and grow their career. The Decatur Complex, located in Decatur, IL, consists of 6 processing plants, onsite cogeneration and water treatment facilities, and employs ~1500 Plant Operations Colleagues and an additional ~1000 Contractors.

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Chemical Engineering Jobs in Decatur, IL

Process Technology Engineer Primient

Pyro Operations Manager Amrize

Sr. Director, Marketing - Production Chemicals Avantor Inc

Manager, Chemicals Procurement Primient

Chemical/Delivery Driver Nutrien Ltd

Engineering - General - Dev/Research Engineer 2 eTeam Inc.

Director Site Engineering Constellation Energy Generation, LLC.

Regional Engineering Manager - Decatur, IL Archer Daniels Midland Co

Regional Engineering Manager - Decatur, IL ADM

Scientist III - Decatur, IL Archer Daniels Midland Co

Separations Scientist, Process Development - Decatur, IL Archer Daniels Midland Co

Strategic Electrical Engineer Constellation Energy Generation, LLC.

Energy Engineer II (NORESCO) Carrier Corporation

Ethanol Support Engineer - Decatur, IL Archer Daniels Midland Co

Process Safety Engineer - Decatur, IL Archer Daniels Midland Co

Ethanol Support Engineer - Decatur, IL ADM

Sr Scientist Separations Technology - Decatur, IL Archer Daniels Midland Co

2027 Operations Professional Development Program Abbott

Sr Scientist Separations Technology - Decatur, IL ADM

Associate Simulator Engineer Constellation Energy Generation, LLC.

Pilot Fermentation Engineer - Decatur, IL Archer Daniels Midland Co

Pilot Fermentation Engineer - Decatur, IL ADM

Senior Process Engineer - Decatur, IL ADM

Project Manager Actalent Inc

Milling Operations Intern - Various US Locations Archer Daniels Midland Co

Milling Operations Leadership Development Program - Various Locations Archer Daniels Midland Co

Scientist, Milling Science and Technology - Decatur, IL Archer Daniels Midland Co

Scientist I Milling - Decatur, IL ADM

Scientist II - Decatur, IL ADM

Scientist, Milling Science and Technology - Decatur, IL ADM

Research and Development Project Manager - Decatur, IL Archer Daniels Midland Co

Junior Process Engineer - Home Office Continental Carbonic Products Inc.

Research and Development Project Manager - Decatur, IL ADM

Junior Process Engineer - Home Office Matheson Tri-Gas Inc

Senior Research Scientist, Process Chemistry - Decatur, IL ADM

Life-Cycle Analysis (LCA) Specialist - Decatur, IL ADM

Account Manager - Personal Care Ingredients - Midwest Region Michael Page USA

Process Safety Engineer - Decatur, IL ADM

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