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Salaried Firearm Design Engineer Jobs in Decatur, IL

Caterpillar

Mechanical Design Engineer

Decatur, IL · On-site

$97.53K - $146.29K/yr

Mechanical Design Engineer Locations: Decatur, IL - Champaign, IL - Mossville, IL (AC) Travel: Up ... Please note that salary is only one component of total compensation at Caterpillar. Benefits:

Hydro Gear Partnership

Product Engineer

Sullivan, IL · On-site

Hydro-Gear is a world leader in the design and production of precision drive solutions, serving ... Commensurate with experience (includes salary + biannual bonus) Benefits : Link for Benefits and ...

Hydro-Gear

Product Engineer

Sullivan, IL

Hydro-Gear is a world leader in the design and production of precision drive solutions, serving ... Commensurate with experience (includes salary + biannual bonus) Benefits : Link for Benefits and ...

Constellation Energy

Director Site Engineering

Clinton, IL · On-site

$216.90K - $241K/yr

In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) ... Provide overall management of the site engineering function including System Engineering, Design ...

Constellation Energy

Director Site Engineering

Kenney, IL · On-site

$216.90K - $241K/yr

In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) ... Provide overall management of the site engineering function including System Engineering, Design ...

Constellation Energy

Director Site Engineering

Beason, IL · On-site

$216.90K - $241K/yr

In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) ... Provide overall management of the site engineering function including System Engineering, Design ...

Constellation Energy

Director Site Engineering

Decatur, IL · On-site

$216.90K - $241K/yr

In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) ... Provide overall management of the site engineering function including System Engineering, Design ...

Constellation Energy

Director Site Engineering

Maroa, IL · On-site

$216.90K - $241K/yr

In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) ... Provide overall management of the site engineering function including System Engineering, Design ...

Constellation Energy

Director Site Engineering

Latham, IL · On-site

$216.90K - $241K/yr

In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) ... Provide overall management of the site engineering function including System Engineering, Design ...

Constellation Energy

Director Site Engineering

Lake Fork, IL · On-site

$216.90K - $241K/yr

In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) ... Provide overall management of the site engineering function including System Engineering, Design ...

Constellation Energy

Director Site Engineering

Weldon, IL · On-site

$216.90K - $241K/yr

In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) ... Provide overall management of the site engineering function including System Engineering, Design ...

Constellation Energy

Director Site Engineering

Lincoln, IL · On-site

$216.90K - $241K/yr

In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) ... Provide overall management of the site engineering function including System Engineering, Design ...

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Salaried Firearm Design Engineer information

See Decatur, IL salary details

$39.3K

$108.2K

$159.6K

How much do salaried firearm design engineer jobs pay per year?

As of May 28, 2026, the average yearly pay for salaried firearm design engineer in Decatur, IL is $108,151.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,500.00 and $134,800.00 per year, depending on experience, location, and employer.

What is the difference between Salaried Firearm Design Engineer vs Firearm Manufacturing Technician?

AspectSalaried Firearm Design EngineerFirearm Manufacturing Technician
CredentialsBachelor's degree in engineering or related field, certifications may varyHigh school diploma or equivalent, technical training often preferred
Work EnvironmentDesign labs, offices, R&D facilitiesManufacturing floors, assembly lines
Employer & Industry UsageDesign firms, firearm manufacturers, defense contractorsManufacturing plants, firearm production facilities

The Salaried Firearm Design Engineer focuses on designing and developing firearms, requiring engineering credentials and working mainly in design environments. In contrast, the Firearm Manufacturing Technician handles assembly and production tasks on the manufacturing floor, often with technical training. Both roles are essential in the firearm industry but differ significantly in responsibilities and work settings.

What are the most commonly searched types of Firearm Design Engineer jobs in Decatur, IL? The most popular types of Firearm Design Engineer jobs in Decatur, IL are:
What job categories do people searching Salaried Firearm Design Engineer jobs in Decatur, IL look for? The top searched job categories for Salaried Firearm Design Engineer jobs in Decatur, IL are:
What cities near Decatur, IL are hiring for Salaried Firearm Design Engineer jobs? Cities near Decatur, IL with the most Salaried Firearm Design Engineer job openings:
Salaried Firearm Design Engineer jobs near you
Mechanical Design Engineer

Mechanical Design Engineer

Caterpillar

Decatur, IL • On-site

$97.53K - $146.29K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 6 days ago

Caterpillar Inc. rating

7.5

Company rating: 7.5 out of 10

Based on 457 frontline employees who took The Breakroom Quiz

216th of 415 rated machine equipment manufacturers

Job description

Career Area:
Engineering
Job Description:
Your Work Shapes the World at Caterpillar Inc.
When you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here - we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.
Mechanical Design Engineer
Locations: Decatur, IL - Champaign, IL - Mossville, IL (AC)
Travel: Up to 15%
Relocation Assistance: Available
Visa Sponsorship: Not Available
Job Summary
Caterpillar is seeking a Mechanical Design Engineer to support L4 system design for LWL/CWD Large Structures, driving innovative mechanical solutions aligned to L6 down-selected system QVC requirements. This role focuses on mechanical design engineering excellence, including structural weldments, thick-section components, manufacturability, and automation-ready designs.
You will collaborate across CPPD (Concurrent Product and Process Development) teams, translating functional and performance requirements into robust mechanical designs that meet cost, quality, durability, and manufacturing objectives. This role plays a critical part in shaping next-generation Caterpillar products through hands-on mechanical design leadership from concept through production.
Key Responsibilities
  • Perform mechanical design engineering for Large Structures (QVC) supporting LWL/WDC NPI and CPI programs, with strong emphasis on Design for Manufacturing and Assembly (DFMA).
  • Develop and document mechanical functional requirements, translating L6 system requirements into detailed L4 mechanical designs, models, and drawings.
  • Design and optimize structural weldments, thick-plate and thick-wall cast components (≥25 mm), balancing strength, weight, durability, and cost.
  • Apply mechanical engineering fundamentals (statics, dynamics, fatigue, load paths, material behavior) to large-scale structures including buckets, work tools, linkages, frames, bodies, liners, pins, bearings, and joints.
  • Lead mechanical layout, tolerance, and GD&T definition, including fixturing concepts for finished weldments and machined components.
  • Collaborate with manufacturing partners to enable robotic welding, BTS (laser/plasma/gas cutting), CNC machining, and paint automation, improving supply chain efficiency.
  • Participate in Go See Act workshops, pilot builds, and pre-production validation activities, supporting mechanical issue resolution and continuous improvement.
  • Support PMO-based project plans, providing mechanical design status, risk assessments, and set-based design recommendations.

Required Skills
  • Mechanical Design Engineering: Demonstrated experience designing mechanical systems and large structural components from concept through production.
  • CAD & Modeling: Proficient in CREO for mechanical modeling, assemblies, and detailed drawings.
  • Structural Design Knowledge: Experience with weldments, castings, thick plates, wear materials, and structural load paths.
  • Manufacturing Integration: Working knowledge of robotic welding, BTS cutting processes, CNC machining, and automation-focused design.
  • Requirements Analysis: Experience performing L4 design based on L6 system requirements, including trade studies and design validation.
  • Project Execution: Ability to plan, organize, and execute mechanical design work within structured project frameworks.
  • Problem Solving: Strong troubleshooting skills for resolving mechanical and manufacturing issues in production environments.

Preferred Skills
  • FEA & Simulation: Working knowledge of finite element analysis for static and dynamic structural validation.
  • Advanced Mechanical Systems: Experience with fatigue, impact loading, abrasion, and wear mechanisms in heavy equipment applications.
  • Aftermarket & Service Considerations: Understanding of serviceability and lifecycle performance for large mechanical structures.
  • Cross-Functional Influence: Ability to influence design decisions through technical expertise across engineering, manufacturing, and supply chain teams.

Summary Pay Range:
$97,530.00 - $146,290.00
Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-related knowledge, skills, individual performance and experience. Please note that salary is only one component of total compensation at Caterpillar.
Benefits:
Subject to plan eligibility, terms, and guidelines. This is a summary list of benefits.
  • Medical, dental, and vision benefits*
  • Paid time off plan (Vacation, Holidays, Volunteer, etc.)*
  • 401(k) savings plans*
  • Health Savings Account (HSA)*
  • Flexible Spending Accounts (FSAs)*
  • Health Lifestyle Programs*
  • Employee Assistance Program*
  • Voluntary Benefits and Employee Discounts*
  • Career Development*
  • Incentive bonus*
  • Disability benefits
  • Life Insurance
  • Parental leave
  • Adoption benefits
  • Tuition Reimbursement

* These benefits also apply to part-time employees
This position requires working onsite five days a week.
Relocation is available for this position.
Visa Sponsorship is not available for this position.
Posting Dates:
May 22, 2026 - June 4, 2026
Any offer of employment is conditioned upon the successful completion of a drug screen.
Caterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities. Qualified applicants of any age are encouraged to apply.
Not ready to apply? Join our Talent Community.

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