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Assistant Engineer Jobs in Decatur, IL (NOW HIRING)

Manufacturing Engineer

Decatur, IL · On-site

$24 - $31.25/hr

Manufacturing Engineer Decatur, Illinois The Manufacturing Engineer will play a crucial role in ... Responsibilities * Assist in the design and implementation of test systems for product units.

QC Engineer-Quality

Decatur, IL · On-site

$55K - $63K/yr

... · Assist in managing user access permissions and ensuring secure access to sensitive data. · ... · Work with engineering, production, and purchasing departments to ensure consistent data ...

Field Service Engineer L2 Desktop Onsite Support Position: Desktop Support - Level 2 (Onsite ... Perform system upgrades, asset replacements, and device setup/configuration. Assist with new hire ...

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Showing results 1-20

Assistant Engineer information

See Decatur, IL salary details

$32K

$86.1K

$130.5K

How much do assistant engineer jobs pay per year?

As of Jun 24, 2026, the average yearly pay for assistant engineer in Decatur, IL is $86,089.00, according to ZipRecruiter salary data. Most workers in this role earn between $68,400.00 and $101,400.00 per year, depending on experience, location, and employer.

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

To thrive as an Assistant Engineer, you need a solid grounding in engineering principles, analytical thinking, and a relevant bachelor's degree in engineering or a related field. Familiarity with technical tools such as CAD software, project management systems, and industry-specific standards or certifications (like EIT or FE) is often required. Strong problem-solving skills, teamwork, and effective communication help you collaborate on complex projects and interact with stakeholders. These skills and qualifications are essential for delivering accurate technical support, ensuring project efficiency, and contributing to successful engineering outcomes.

How does an Assistant Engineer typically collaborate with senior engineers and other team members on projects?

Assistant Engineers work closely with senior engineers, designers, and other technical staff by supporting project planning, conducting site visits, and preparing technical documentation. They often assist in problem-solving sessions and help implement design solutions under supervision. Regular communication and teamwork are essential, as Assistant Engineers frequently coordinate tasks, share updates, and seek feedback to ensure project objectives are met efficiently. This collaborative environment provides valuable learning opportunities and helps build a strong foundation for career advancement.

What Is an Assistant Engineer?

An assistant engineer works alongside a senior engineer throughout a project. The job is often used to gain work experience by recent college graduates at the beginning of their career. Your duties vary, depending on the type of engineering and industry you work in, but may include managing equipment, performing inspections, reviewing blueprints, and coordinating among departments. Typical qualifications for an assistant engineer position include at least an associate or bachelor’s degree in an engineering field, strong communication skills, and the ability to carefully follow directions.

What is the difference between Assistant Engineer vs Junior Engineer?

AspectAssistant EngineerJunior Engineer
Required CredentialsBachelor's degree in engineering or related field, often with some certificationsBachelor's degree in engineering, entry-level certification may be preferred
Work EnvironmentSupports senior engineers, involved in project planning and executionPerforms basic engineering tasks, supervised by senior staff
Employer & Industry UsageCommon in construction, manufacturing, civil, and mechanical sectorsUsed interchangeably in similar industries, often as entry-level role

Assistant Engineers typically have more responsibilities in supporting project management and planning, while Junior Engineers focus on executing specific technical tasks under supervision. Both roles require similar educational backgrounds, but Assistant Engineers often have additional certifications or experience. The roles are used across various engineering sectors and serve as stepping stones for career advancement.

What are Assistant Engineers?

Assistant Engineers are entry-level professionals who support senior engineers in the planning, design, development, and maintenance of projects across various engineering fields such as civil, mechanical, electrical, or software. Their responsibilities often include assisting with technical tasks, preparing reports, conducting research, and ensuring compliance with project specifications and safety standards. Assistant Engineers gain practical experience and skills under the supervision of more experienced engineers, which helps them advance in their engineering careers.
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 cities near Decatur, IL are hiring for Assistant Engineer jobs? Cities near Decatur, IL with the most Assistant Engineer job openings:
Infographic showing various Assistant Engineer job openings in Decatur, IL as of June 2026, with employment types broken down into 2% As Needed, 89% Full Time, 6% Part Time, and 3% Contract. Highlights an 88% Physical, 5% Hybrid, and 7% Remote job distribution, with an average salary of $86,089 per year, or $41.4 per hour.
Field Engineer (Great Lakes Area) - Eastern District

Field Engineer (Great Lakes Area) - Eastern District

Kiewit Corporation

Decatur, IL

$90K - $120K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 11 days ago


Kiewit Corporation rating

8.0

Company rating: 8.0 out of 10

Based on 133 frontline employees who took The Breakroom Quiz

20th of 78 rated construction


Job description

 Requisition ID: 180107 

Job Level: Mid Level 

Home District/Group: Eastern District 

Department: Field Operations 

Market: Transportation 

Employment Type: Full Time 

Position Overview

As a Field Engineer II, you will be the primary and lead engineer on the Project, and report directly to the Project Manager. All field-level and office-level Engineers report directly to Engineer II. As an Engineer II, you will be expected to be a job-site leader in health and safety, ensuring quality of reporting and workmanship, and that all engineering work is completed in a professional and ethical manner. Your main functions will include contract administration, project planning and scheduling, and project reporting, and you will play an advisory role in Project Management for contractual, legal, and other project issues.

District Overview

Kiewit's Eastern District specializes in challenging heavy civil construction projects throughout the Northeast, including the metropolitan areas of New York, Chicago, Boston, and Washington DC.  We are leaders in bridge, transit, foundation, tunnel, and water/wastewater construction while specializing in cast-in-place concrete, structural steel erection, earthwork, pile driving, and caissons. Kiewit's Eastern District also has a large amount of work in the energy/power sector in various northeast locations. With our experienced and dedicated employees, extensive resources and in-depth market knowledge, the Eastern District can handle projects of any size.

Location

This position will likely be based out of our Itasca office, and travel as necessary to jobs in the Great Lakes Area. Travel is required.

Responsibilities

Field Engineering:
Assist in interpretation of drawings and specifications for field crews and craft supervision
Perform quantity calculations by taking measurements and determining percentage of completed/installed materials and work
Assist in the preparation of work plans and work packages
Assist in field surveying and work layout support including elevation, control points, and compilation of as-built data
Assist in compiling, processing, and confirming daily labor timesheets
Assist in the preparation of Job Hazard Analysis (JHA's)
Participate in jobsite safety reviews, toolbox meetings, mass safety meetings, and safety training
Order and schedule material deliveries
Plan, schedule, and coordinate work groups on the jobsite
Supervise field operations

Office Engineering:
Perform material takeoffs from drawings, specifications and other contract documents
Perform basic engineering calculations and technical drafting to support field operations
Assist Engineers to gather and prepare data for submittal or transmittal to the customer, vendors, subcontractors, governmental agencies, and internal use
Assist in preparation of purchase orders and subcontracts, performing minor solicitations and purchasing as requested
Assist in schedule maintenance and performing updates as directed by others
Assist in the maintenance of basic project recordkeeping and correspondence functions including daily reports, photographs, requests for information (RFIs), and memorandums
Assist with entering data into the job cost system and participate in reviewing cost reports with jobsite management
Assist in generating change orders and as-built data to be reviewed by the Project Manager
Provide field support and supervise subcontractor operations

Qualifications

Ability to travel and relocate as needed
3+ years' construction field experience
Work experience in engineering and leading engineers
Undergraduate degree in civil engineering, construction management, or related
Ability to read, analyze and identify discrepancies on engineering plans, specifications, and contract documents
Ability to freely access all points of a construction site in wide-ranging climates and environment
Highly motivated, with a demonstrated passion for excellence and taking initiative
Strong work ethic, willing to do what it takes to get the job done right the first time
Demonstrated commitment to ethics and integrity
Passion for safety, with the ability to help us ensure that nobody gets hurt
Strong interpersonal, written, and verbal communication skills
Team player with the ability to work independently to meet deadlines, goals, and objectives
Strong organization, time management, and attention to detail

#LI-SS1 

Other Requirements:
    Regular, reliable attendance
    Work productively and meet deadlines timely
    Communicate and interact effectively and professionally with supervisors, employees, and others individually or in a team environment
    Perform work safely and effectively. Understand and follow oral and written instructions, including warning signs, equipment use, and other policies.
    Work during normal operating hours to organize and complete work within given deadlines. Work overtime and weekends as required.
    May work at various different locations and conditions may vary

Base Compensation: $90,000/yr - $120,000/yr
(Actual compensation is subject to variation due to such factors as education, experience, skillset, and/or location)

We offer our fulltime staff employees a comprehensive benefits package that's among the best in our industry, including top-tier medical, dental and vision plans covering eligible employees and dependents, voluntary wellness and employee assistance programs, life insurance, disability, retirement plans with matching, and generous paid time off.

We believe in equal opportunity in employment practices without discrimination and comply with all laws regarding human rights in the provinces where we operate.


What Kiewit Corporation employees say

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About Kiewit

Sourced by ZipRecruiter

Kiewit Infrastructure Engineering's Design-Build team is driving clients to turn to Kiewit during all stages of design-build projects. Through our integrated design and construction approach, our multi-disciplinary team works together to improve schedule, control costs and minimize risk. Our construction-focused engineers work collaboratively with our estimators and builders to design solutions that are innovative, constructible, and designed with a focus on safety. Clients benefit from the proven processes and tools used by Kiewit to minimize project risk. We are an in-house resource that supports projects throughout the company. Our staff shares experiences gained, innovative concepts, and best practices for all projects that we support.

Industry

Construction materials wholesalers

Company size

10,000+ Employees

Headquarters location

Omaha, NE, US

Year founded

1884