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Engineer Jobs in Decatur, IL (NOW HIRING)

Hydro Gear Partnership

Product Engineer

Sullivan, IL · On-site

Description We are seeking a Product Engineer who excels in mechanical engineering, project management, analytical problem-solving, and hands-on technical work. This role is ideal for someone who ...

Primient

Engineer 3, Decatur

Decatur, IL · On-site

Engineer 3, Decatur | Primient About Primient Primient is a century old company with an entrepreneurial spirit. We are a leading producer of food and industrial ingredients made from plant-based ...

Primient

Engineer 3, Decatur

Decatur, IL · On-site

Engineer 3, Decatur | Primient About Primient Primient is a century old company with an entrepreneurial spirit. We are a leading producer of food and industrial ingredients made from plant-based ...

Primient

Engineer 3, Decatur

Decatur, IL

The Engineer 3 operates with greater autonomy, overseeing complex projects, driving plant-wide optimizations, and mentoring junior engineers. This role collaborates cross functionally to drive ...

Hydro-Gear

Product Engineer

Sullivan, IL · On-site

We are seeking a Product Engineer who excels in mechanical engineering, project management, analytical problem-solving, and hands-on technical work. This role is ideal for someone who enjoys working ...

Belcan

Mechanical Engineer

Decatur, IL

$37.14/hr

Mechanical Engineer Location: Decatur, IL Zip Code: 62521 Duration: 12 Months Pay Rate: $37.14/hr. Keyword's: #Decaturjobs; #MechanicalEngineerjobs; Start Date: Immediate Summary: The main function ...

Intellectt INC

Electrical Engineer

Decatur, IL · On-site

Electrical Engineer Location: Decatur, Illinois & Skill Requirement: Responsibilities of Role: * Work as an Electrical Engineer and develop design of electrical distribution system for FMCG process ...

AVTC Group

Controls Engineer

Mount Zion, IL · On-site

$83.30K - $107.70K/yr

Controls Engineer/PLC Programmer Controls Engineer must be well versed in control systems. This person must be proficient in PLC and HMI programming. Related Degree or five years with Programming ...

Intellectt INC

Electrical Engineer

Decatur, IL · On-site

This is Mahaboob from Intellectt INC; we've got an important role Electrical Engineer - Decatur, Illinois with one of our prestigious clients. Interested candidates can please send your updated ...

Associates Systems LLC

Controls Engineer

Mount Zion, IL · On-site

$83.30K - $107.70K/yr

Controls Engineer/ PLC Programmer Controls Engineer must be well versed in control systems. This person must be proficient in PLC and HMI programming. Related Degree or five years with Programming ...

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All JobsEngineer JobsEngineer Jobs in Decatur, IL

Engineer information

See Decatur, IL salary details

$37.8K

$98.7K

$133.4K

How much do engineer jobs pay per year?

As of Jun 4, 2026, the average yearly pay for engineer in Decatur, IL is $98,697.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,500.00 and $113,000.00 per year, depending on experience, location, and employer.

What Is an Engineer Job Description?

Engineers design, build, and maintain the functional aspects of a product, structure, or system for their specific engineering industry. Their specific job description relates to all of the detailed tasks, responsibilities, skills, and education requirements that a company or organization requires for their engineering specialty. For example, electrical engineers develop, monitor, and test electrical systems. Civil engineers design, construct, and maintain large infrastructure projects, such as highways, bridges, and airports. Many engineers begin their career with an internship or apprenticeship while they are still in school, and then acquire an entry-level position. As they learn more about the industry, engineers are given their own projects and more responsibility.

What are the key skills and qualifications needed to thrive as an Engineer, and why are they important?

To thrive as an Engineer, you need a solid background in mathematics, problem-solving, and engineering principles, typically supported by a relevant bachelor’s degree. Familiarity with industry-specific software such as CAD tools, simulation platforms, and, in some fields, certifications like FE or PE is often required. Strong communication, teamwork, and critical thinking skills set exceptional engineers apart. These abilities ensure effective project delivery, innovative solutions, and smooth collaboration in technical environments.

How do engineers typically collaborate with other departments during a project?

Engineers often work closely with professionals from various departments such as product management, design, and quality assurance to ensure project requirements are met. Collaboration usually involves regular meetings to align on goals, discuss technical constraints, and review progress. Effective communication and teamwork are key, as engineers may need to translate complex technical concepts for non-technical colleagues and incorporate feedback from different stakeholders. This cross-functional approach helps ensure that projects are delivered efficiently and meet all necessary standards.

What does an engineer do?

An engineer applies principles of science and mathematics to develop solutions for technical problems. They design, build, and test products, systems, or structures while considering efficiency, safety, and cost. Engineers can work in a variety of fields such as civil, mechanical, electrical, and software engineering, each with its own specialized focus. Their work often involves teamwork, problem-solving, and the use of advanced technology.

What is the difference between Engineer vs Technician?

AspectEngineerTechnician
Required CredentialsBachelor's degree in engineering or related fieldTechnical diploma or associate degree
Work EnvironmentDesign, planning, analysis, project managementInstallation, maintenance, troubleshooting
Industry UsageDesign firms, manufacturing, constructionField service, manufacturing plants, maintenance teams
Common Search/ComparisonEngineer vs Technician

Engineers typically hold a bachelor's degree and focus on designing, analyzing, and managing projects. Technicians usually have technical diplomas and handle hands-on installation, maintenance, and troubleshooting. While engineers plan and oversee, technicians implement and support. Both roles are essential in engineering projects, but they differ in education, responsibilities, and work environment.

More about Engineer jobs
What are the most commonly searched types of Engineer jobs in Decatur, IL? The most popular types of Engineer jobs in Decatur, IL are:
What are popular job titles related to Engineer jobs in Decatur, IL? For Engineer jobs in Decatur, IL, the most frequently searched job titles are:
What job categories do people searching Engineer jobs in Decatur, IL look for? The top searched job categories for Engineer jobs in Decatur, IL are:
What cities near Decatur, IL are hiring for Engineer jobs? Cities near Decatur, IL with the most Engineer job openings:
Engineer jobs near you
Infographic showing various Engineer job openings in Decatur, IL as of May 2026, with employment types broken down into 91% Full Time, 6% Part Time, and 3% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution, with an average salary of $98,697 per year, or $47.5 per hour.
Mechanical Engineer II

Mechanical Engineer II

Affiliated Engineers, Inc

Decatur, IL • On-site, Remote

Full-time

Medical, Dental, Vision, Retirement

This job post has expired today. Applications are no longer accepted.

Job description

Mechanical Engineer II Job ID 2025-5279 Job Location US-GA-Decatur Overview

Join a Team Where Engineering Excellence Drives Opportunity

At Affiliated Engineers, Inc. (AEI), we bring together expertise and innovation to solve the most complex challenges. Since 1978, we've supported mission-driven organizations in designing systems and environments that advance society and improve lives. Today, with more than 900 professionals across 22 offices, we help shape the future of healthcare, science and technology, energy, education, and other vital sectors.

From elevating patient care in Mayo Clinic's world-class hospitals to enabling discovery in high-containment laboratories for U.S. agencies and driving environmental progress with Microsoft's renowned Thermal Energy Center, our work enriches the human experience, safeguards the environment, and pushes the boundaries of possibility.

AEI consistently earns national recognition from leading industry publications, including Building Design+Construction, Engineering News-Record, and Consulting-Specifying Engineer, with distinctions such as being named the #1 Laboratory Engineering Firm in the nation and receiving multiple Best of the Best Project awards, underscoring the lasting legacy of our work.

At AEI, you'll join a collaborative community where your expertise fuels innovation, your ideas drive progress, and your work helps shape a brighter future.

As a Mechanical Engineer II in our Atlanta office, you will help us empower our clients to achieve energy-efficient building solutions, save global environments, and create a better, greener future for all.

Why We Need You:

In this role, you will exercise independent judgment to develop and document system designs from concept plans and technical design criteria and interprets and utilizes information set forth in basis of design as well as information gathered from users, project partners, field surveys, and code research.

Expertise of our most successful Mechanical Engineer II:

    BSAE or BSME required.
  • 5+ years' experience designing HVAC building systems in technically sophisticated facilities.
  • PE License or ability to become licensed.
  • Expertise in computer operation for engineering design programs (i.e. Revit MEP, AutoCAD, Navisworks) preferred.
  • Experience in the Health and Science markets preferred.

Effective skills to help you flourish:

  • Strong spoken and written communications skills.
  • Excellent organization and time management skills.
  • Quick technical comprehension and motivation focused on client outcomes.
  • Able to effectively prioritize multiple tasks.
  • Effective working individually and within team environments.

When you work here, you can expect:

  • A flexible, collaborative environment where your well-being matters-because your best work happens when you're supported.
  • Real opportunities to grow-through mentorship, professional development programs, and exposure to high-impact projects across disciplines.
  • To collaborate with inspiring teammates who challenge the status quo, foster innovation, and pave the way for future leaders.
  • A benefits package that offers health, dental, vision, and retirement, a performance-based year-end bonus, and thoughtful perks tailored to your needs-whether that's a flexible work environment, wellness resources, or community-focused initiatives, we'll continue to invest in.

If this dynamic environment and the chance to contribute to transformative projects resonate with your ambitions, we would love to connect with you. Join us and make an impact!

Apply online at https://aeieng.com/about/careers/

If you know someone who would thrive in this role, please share this posting with them directly via email or through your LinkedIn network.

AEI is proud to be an EEO/AA Employer/Vet/Disabled.

Connect With Us! Not ready to apply or do not see an open position? Connect with us for general consideration and information.

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