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Engineering Assistant Jobs in Belleville, IL (NOW HIRING)

Brewster Companies

Construction Estimator

Maryville, IL · On-site

$100K - $175K/yr

Provide ongoing estimating support during project execution for change orders, cost tracking, and value engineering. * Assist in maintaining historical cost data for benchmarking and continuous ...

DEMA Engineering

Sustaining Engineer

Saint Louis, MO · On-site

$85K - $105K/yr

... Engineering Change Requests (ECRs) * Collaborate closely with manufacturing, quality, procurement, and customer support teams * Provide technical support for internal teams and customers * Assist ...

Audacy

Remote Broadcast Technician

Saint Louis, MO · On-site

Engineer and execute live remote broadcasts * Set up and operate a live performance studio as a sound engineer. * Assist with setup and repair of broadcast gear, sound equipment, office equipment ...

Audacy

Remote Broadcast Technician

Saint Louis, MO · On-site

Engineer and execute live remote broadcasts * Set up and operate a live performance studio as a sound engineer. * Assist with setup and repair of broadcast gear, sound equipment, office equipment ...

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All JobsEngineering JobsEngineering Assistant JobsEngineering Assistant Jobs in Belleville, IL

Engineering Assistant information

See Belleville, IL salary details

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How much do engineering assistant jobs pay per hour?

As of Sep 3, 2026, the average hourly pay for engineering assistant in Belleville, IL is $30.64, according to ZipRecruiter salary data. Most workers in this role earn between $19.62 and $36.88 per hour, depending on experience, location, and employer.

What is an engineering assistant?

An engineering assistant provides support to the engineering team on a variety of projects. As an engineering assistant, your job duties include spec reading, research, conducting tests, modifying techniques, and resolving issues. Additional responsibilities as an engineering assistant are to help project engineers design, develop, evaluate, and troubleshoot to accomplish project goals. You work as part of a team in a lab or workshop environment, so a commitment to safety and compliance with regulations is important. Communication skills are also a must for this career.

What are some common challenges engineering assistants face when supporting multiple projects simultaneously?

Engineering Assistants often juggle tasks across several projects, which can present challenges in prioritization and time management. Balancing administrative duties, technical support, and communication with different teams requires strong organizational skills and adaptability. Proactively coordinating with project managers and regularly updating task lists can help manage workloads more effectively and ensure deadlines are met. Developing familiarity with project management software and open communication channels are also key to thriving in this dynamic environment.

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

To thrive as an Engineering Assistant, you need a solid background in engineering principles, technical drawing, and data analysis, usually supported by an associate degree or equivalent technical training. Familiarity with CAD software, Microsoft Office Suite, and project management systems is commonly required. Strong organizational skills, attention to detail, and effective communication help you excel in supporting engineering teams and handling multiple tasks. These skills ensure accurate project documentation, efficient workflows, and seamless collaboration within engineering projects.

What is the difference between Engineering Assistant vs Engineering Technician?

AspectEngineering AssistantEngineering Technician
Required CredentialsAssociate degree or relevant certificationAssociate degree or technical diploma
Work EnvironmentOffice, field, or lab settingsLaboratory, field, or manufacturing environments
Employer & Industry UsageCommon in engineering firms, construction, and manufacturingOften in manufacturing, research, and technical services
Common Search & ComparisonYesYes

Engineering Assistants typically support engineering projects through administrative tasks, data collection, and basic technical work, often working in office or field settings. Engineering Technicians focus more on hands-on technical tasks, testing, and maintaining equipment. Both roles require similar educational backgrounds but differ in daily responsibilities and work environments.

How much is the salary of an engineering assistant?

The salary of an engineering assistant typically ranges from $40,000 to $60,000 per year, depending on experience, location, and industry. Entry-level positions may start lower, while experienced assistants or those with specialized skills can earn higher wages. Certifications in engineering or technical tools can also influence salary levels.

What does an engineering assistant do?

An engineering assistant supports engineers by performing tasks such as collecting data, preparing reports, maintaining technical documents, and assisting with project coordination. They often use tools like CAD software and may need basic knowledge of engineering principles and safety protocols. Their role helps ensure projects run smoothly and efficiently.
More about Engineering Assistant jobs

What are the most commonly searched types of Engineering jobs in Belleville, IL?

The most popular types of Engineering jobs in Belleville, IL are:

What are popular job titles related to Engineering Assistant jobs in Belleville, IL?

For Engineering Assistant jobs in Belleville, IL, the most frequently searched job titles are:

What cities near Belleville, IL are hiring for Engineering Assistant jobs?

Cities near Belleville, IL with the most Engineering Assistant job openings:

Engineering Assistant jobs near you
Infographic showing various Engineering Assistant job openings in Belleville, IL as of August 2026, with employment types broken down into 86% Full Time, 11% Part Time, 2% Contract, and 1% Nights. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $63,741 per year, or $30.6 per hour.

Construction Estimator

Brewster Companies

Maryville, IL • On-site

$100K - $175K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 12 days ago

Job description

Project Estimator
Brewster Companies, Inc. is a family owned and operated company that specializes in heavy civil and transportation construction. As a rapidly growing company, we are looking for employees with a strong work ethic and great personality to join our team.
This position will be a vital role and in addition to our management team, work duties will include preconstruction and hard bid estimating. Brewster is seeking hardworking, motivated individuals who are looking for a challenging and rewarding career rebuilding and expanding our infrastructure.
Brewster Companies is an Equal Employment Opportunity employer with advancement opportunities and a great work environment.
Benefits:
  • Company Paid Medical Insurance for full-time employees.
  • Dental/Vision/Life Insurance available after one month.
  • 401(k) with competitive company match.
  • Paid Holidays available upon hire.
  • Paid Vacation accruals upon hire.
  • Strong Family Culture - Family-Owned Business.
  • Growth Opportunities - Promotions from within.

Job Duties:
Preconstruction & Estimating
  • Manage and update a log of potential opportunities, evaluating project scope and fit within Brewster's core competencies.
  • Review and analyze civil construction plans, specifications, addenda, and contract requirements to identify cost impacts and project risks.
  • Perform detailed takeoffs, measurements, and quantity calculations for earthwork, utilities, paving, structures, and other civil components.
  • Prepare comprehensive estimates by assembling accurate labor, material, equipment, and subcontractor costs.
  • Develop cohesive estimate structures supported by achievable preliminary work plans and production rates.
  • Utilize estimating software (HCSS HeavyBid/HeavyJob) and electronic plan takeoff tools to prepare and document bids.

Subcontractor & Vendor Coordination
  • Communicate with and expand subcontractor and supplier databases to ensure competitive pricing and coverage.
  • Solicit, evaluate, and analyze subcontractor and vendor quotes for scope compliance and best value.
  • Negotiate terms, factoring in safety, quality, cost efficiency, and supplier diversity.

Risk Analysis & Strategy
  • Identify project risks and work with management to determine appropriate mitigation strategies.
  • Evaluate constructability, site logistics, schedule impacts, and phasing requirements during the bid process.
  • Assist with developing contingencies and allowances to ensure accurate, defensible estimates.

Collaboration & Project Support
  • Coordinate closely with ownership, management, and field supervisors to align estimates with field execution strategies.
  • Prepare bid summaries, clarifications, and recommendations for review by company leadership.
  • Support preliminary scheduling activities, sequencing, and manpower planning for proposals.
  • Participate in pre-bid meetings, site visits, and client presentations as required.

Post-Bid Responsibilities
  • Support project handoff meetings with operations, ensuring that awarded projects are clearly communicated and properly set up in HeavyJob.
  • Provide ongoing estimating support during project execution for change orders, cost tracking, and value engineering.
  • Assist in maintaining historical cost data for benchmarking and continuous improvement.

Job Qualifications:
  • 5+ years of experience in civil/heavy construction estimating preferred.
  • Strong background in reading and interpreting civil construction plans, specifications, and contract documents.
  • Proficiency in Microsoft Office Suite (especially Excel) and estimating software (HCSS HeavyBid/HeavyJob required).
  • Experience with electronic plan takeoff software.
  • Knowledge of DOT (IDOT, MoDOT) and public agency bidding processes preferred.
  • Strong analytical, mathematical, and problem-solving skills.
  • Excellent written and verbal communication abilities; able to collaborate effectively with internal teams, clients, and subcontractors.
  • Strong time management and organizational skills; ability to prioritize multiple deadlines.
  • Self-motivated with the ability to work independently and as part of a collaborative team.

Personal Attributes:
  • Detail-Oriented: Ensures accuracy and thoroughness in all estimates and documentation.
  • Strategic Thinker: Evaluates risks, opportunities, and project approaches to maximize competitiveness.
  • Collaborative: Builds strong working relationships with team members, subcontractors, suppliers, and clients.
  • Proactive: Anticipates project challenges and proposes solutions during the preconstruction phase.
  • Professional & Personable: Represents Brewster Companies' family-oriented culture with integrity and positivity.
  • Results-Driven: Focused on delivering high-quality estimates that lead to successful project awards.

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