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Spec Engineering Jobs in Illinois (NOW HIRING)

DMC Engineering

Electrical Engineer

Chicago, IL · Hybrid

$120K/yr

About DMC DMC is a leading engineering consulting firm, delivering high-caliber engineering and ... Understands automation and electrical components to meet customer specifications, application ...

Rheo Engineering

Engineering Project Manager

Peoria, IL · On-site

$90K - $125K/yr

Create project proposals -- cost estimates, timelines, and technical specifications -- using Rheo's ERP and other tools * Coordinate design feasibility reviews with Application Engineers, Design ...

Rheo Engineering

Engineering Project Manager

Peoria, IL · On-site

$90K - $125K/yr

Create project proposals -- cost estimates, timelines, and technical specifications -- using Rheo's ERP and other tools * Coordinate design feasibility reviews with Application Engineers, Design ...

Rheo Engineering

Engineering Project Manager

Peoria, IL

$90K - $125K/yr

Create project proposals -- cost estimates, timelines, and technical specifications -- using Rheo's ERP and other tools * Coordinate design feasibility reviews with Application Engineers, Design ...

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All JobsSpec Engineering JobsSpec Engineering Jobs in Illinois

Spec Engineering information

See Illinois salary details

$12

$30

$55

How much do spec engineering jobs pay per hour?

As of Aug 3, 2026, the average hourly pay for spec engineering in Illinois is $30.57, according to ZipRecruiter salary data. Most workers in this role earn between $19.57 and $36.83 per hour, depending on experience, location, and employer.

What are some common challenges faced by Spec Engineering professionals when working on cross-functional projects?

Spec Engineering professionals often work on projects that require close collaboration with teams from design, manufacturing, and quality assurance. One common challenge is ensuring that technical specifications are clearly communicated and understood by all stakeholders, which can involve translating complex requirements into actionable tasks for different departments. Additionally, balancing project timelines with evolving client or regulatory requirements can be demanding. Effective communication and adaptability are key skills to overcome these hurdles and deliver successful project outcomes.

What does a Spec Engineering professional do?

A Spec Engineering professional, often referred to as a Specification Engineer, is responsible for developing, reviewing, and managing technical specifications for products, systems, or projects. They ensure that all engineering requirements and standards are clearly defined and communicated to all stakeholders. Their work helps guarantee that the final deliverables meet quality, safety, and regulatory guidelines. Spec Engineering professionals often collaborate with design, manufacturing, and quality assurance teams throughout the project lifecycle.

What is the difference between Spec Engineering vs Mechanical Engineering?

AspectSpec EngineeringMechanical Engineering
Required CredentialsBachelor's in Engineering, technical certificationsBachelor's in Mechanical Engineering, professional licensure often preferred
Work EnvironmentDesign-focused, project-specific, often in manufacturing or product developmentDesign, analysis, testing, and manufacturing in various industries
Employer & Industry UsageManufacturers, product developers, engineering firmsAutomotive, aerospace, energy, manufacturing

Spec Engineering primarily focuses on creating detailed specifications for products or systems, ensuring they meet design and performance standards. Mechanical Engineering covers a broader scope, including designing, analyzing, and testing mechanical systems. While both roles require similar credentials and often work in overlapping industries, Spec Engineers specialize in specifications, whereas Mechanical Engineers handle the overall design and development process.

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

To thrive as a Spec Engineer, you need a strong background in engineering principles, experience with technical specifications, and typically a relevant degree such as in mechanical, electrical, or civil engineering. Familiarity with CAD software, project management tools, and industry standards or certifications like PE (Professional Engineer) is often required. Exceptional attention to detail, analytical thinking, and clear communication skills help distinguish top performers in this role. These abilities ensure that projects meet precise technical requirements, comply with regulations, and are delivered efficiently and accurately.
What are popular job titles related to Spec Engineering jobs in Illinois? For Spec Engineering jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Spec Engineering jobs in Illinois look for? The top searched job categories for Spec Engineering jobs in Illinois are:
Spec Engineering jobs near you
Infographic showing various Spec Engineering job openings in Illinois as of July 2026, with employment types broken down into 90% Full Time, 7% Part Time, and 3% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $63,591 per year, or $30.6 per hour.

Electrical Project Engineer

Sterling Engineering Inc.

La Grange, IL

$55 - $57/hr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 27 days ago

Job description

Title: Electrical Project Engineer
Location: La Grange, IL
Hire Type: Long term contract
Shift: Mon-Fri, 6-8am to 3-5pm
Target Hourly Rate: $55.00-57.00
Benefits: As a contract employee of Sterling, you are eligible to receive a Full Employee Benefits Package that includes paid time off, paid holidays, 3 medical plans to choose from, dental & vision plans, 401(k), and an Employee Stock Ownership (ESOP) plan.


Overview: Prepare, design, develop electrical application designs for complete locomotive electrical systems per customer specification, engineering standards, and previous designs.


Job Duties:

  • Design and develop electrical systems and schematics for locomotive applications based on customer requirements
  • Support manufacturing with troubleshooting, design updates, and documentation (limited involvement)
  • Collaborate with suppliers to select and integrate electrical components and systems
  • Review and interpret customer and engineering specifications to guide design work
  • Manage project timelines, deliverables, and communicate status updates
  • Participate in design reviews throughout development
  • Create and maintain accurate electrical design documentation
  • Stay current on new technologies and apply improvements where applicable
  • Perform core electrical design tasks such as circuit design, component selection, load analysis, and BOM development

Qualifications:

  • BSEE degree (or equivalent) required
  • 3 - 5 years of experience in developing/designing vehicle based electrical systems
  • Ability to read and understand electrical schematics and application drawings.
  • Training / experience in electrical controls including machines, controls, and power systems.
  • Experience with computer aided electrical schematic generation.
  • Experience utilizing SAP (or equivalent) for parts usage and BOM determination
  • Experience with NX or other mechanical CAD applications


Qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or genetic information.