ZipRecruiter

Log In

1

Senior Engineer Jobs in Decatur, IL (NOW HIRING)

Fuyao Glass America Inc

QC Engineer-Quality

Decatur, IL · On-site

$55K - $63K/yr

Under the supervision of senior staff, the Quality Data Engineer supports routine reporting across departments, helps maintain dashboards used in quality assurance, and contributes to continuous ...

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 ...

Arcosa LWB, LLC

Sr. Fitter/Welder

Clinton, IL

$26 - $31.50/hr

Meyer Utility Structures, an Arcosa subsidiary, is searching for multiple Sr. Fitter/Welders to ... Meyer Utility Structures is an industry leader in the engineering design and fabrication of ...

Arcosa Lightweight

Sr. Fitter/Welder

Clinton, IL · On-site

$26 - $31.50/hr

Meyer Utility Structures, an Arcosa subsidiary, is searching for multiple Sr. Fitter/Welders to ... Meyer Utility Structures is an industry leader in the engineering design and fabrication of ...

next page

Showing results 1-20

All JobsSenior Engineer JobsSenior Engineer Jobs in Decatur, IL

Senior Engineer information

See Decatur, IL salary details

$57.7K

$122.8K

$178K

How much do senior engineer jobs pay per year?

As of Jun 25, 2026, the average yearly pay for senior engineer in Decatur, IL is $122,756.00, according to ZipRecruiter salary data. Most workers in this role earn between $101,400.00 and $139,200.00 per year, depending on experience, location, and employer.

How does a Senior Engineer typically mentor junior team members, and what impact does this have on the team's success?

Senior Engineers often play a key role in mentoring junior developers by providing guidance on technical challenges, reviewing code, and sharing best practices. This mentorship helps foster a collaborative environment where less-experienced team members can develop their skills more rapidly. As a result, the entire team benefits from improved code quality, faster problem-solving, and a culture of continuous learning. Senior Engineers also help set standards and encourage professional growth, which contributes to the overall success and cohesion of the engineering team.

What does a senior engineer do?

A senior engineer designs, develops, and tests complex systems or products within their technical field, often leading projects and mentoring junior staff. They utilize advanced technical skills, problem-solving abilities, and may hold certifications relevant to their industry. Their role involves ensuring quality, efficiency, and adherence to project deadlines in a collaborative environment.

What engineers make $300,000 a year?

Senior engineers in fields such as software, electrical, and petroleum engineering can earn $300,000 or more annually, especially with extensive experience, specialized skills, and leadership roles. High compensation often involves working in competitive industries, advanced certifications, or managerial positions that oversee large projects or teams.

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

To thrive as a Senior Engineer, you need advanced technical expertise in your engineering discipline, a relevant degree, and several years of industry experience. Familiarity with project management software, CAD tools, and compliance with engineering standards or certifications like PE (Professional Engineer) is typically required. Critical thinking, leadership, and effective communication are essential soft skills for mentoring teams and managing complex projects. These skills and qualities ensure successful project delivery, innovation, and strong team performance within engineering environments.

What Is a Senior Engineer?

Senior engineers develop and design software programs and applications, but are designated senior because they have more extensive knowledge and years of experience than other engineers on their team. As a senior engineer, you work closely with company managers to ensure the software is created to the required specifications and must troubleshoot issues with applications when they arise. Most senior engineers have mastered a specific set of programming languages, databases, and operating systems.

What is the difference between Senior Engineer vs Mechanical Engineer?

AspectSenior EngineerMechanical Engineer
Required CredentialsBachelor's degree in engineering; often a master's; professional engineering license (PE) preferredBachelor's degree in mechanical engineering; PE license optional but advantageous
Work EnvironmentDesign, development, project management; leadership rolesDesign, analysis, testing, manufacturing
Industry UsageUsed across engineering sectors for experienced professionalsEntry to mid-level engineering roles in manufacturing, automotive, aerospace

Senior Engineers typically have more experience, leadership responsibilities, and advanced credentials compared to Mechanical Engineers. While Mechanical Engineers focus on design and analysis, Senior Engineers often oversee projects and mentor teams, making them suitable for higher-level roles within engineering teams.

What engineers make $500,000?

Senior engineers in fields such as software, electrical, and aerospace engineering can earn $500,000 or more annually, especially with extensive experience, specialized skills, and leadership roles. High compensation often includes bonuses, stock options, or profit sharing, particularly in technology companies or industries with high demand for technical expertise.

Can you make $500,000 as a civil engineer?

Senior engineers in civil engineering can potentially earn $500,000 annually, especially with extensive experience, specialized skills, management roles, or working in high-paying industries or regions. However, such salaries are typically achieved through senior leadership positions, consulting, or project management over time.

What is a Senior Engineer?

A Senior Engineer is an experienced professional responsible for designing, developing, and overseeing complex engineering projects. They often lead teams, mentor junior engineers, and ensure that technical solutions meet organizational goals and industry standards. Senior Engineers are typically experts in their field, possessing advanced problem-solving skills and a deep understanding of relevant technologies and methodologies. Their role also often involves collaborating across departments, managing timelines, and contributing to strategic planning.
More about Senior 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 cities near Decatur, IL are hiring for Senior Engineer jobs? Cities near Decatur, IL with the most Senior Engineer job openings:
Senior Engineer jobs near you
Infographic showing various Senior Engineer job openings in Decatur, IL as of June 2026, with employment types broken down into 91% Full Time, 6% Part Time, 1% Temporary, and 2% Contract. Highlights an 88% Physical, 5% Hybrid, and 7% Remote job distribution, with an average salary of $122,756 per year, or $59 per hour.

Civil Engineer - Transportation Project Manager

Chastain & Associates LLC

Decatur, IL • On-site

$130K - $150K/yr

Full-time

Medical, Dental, Life, Retirement, PTO

Posted 11 hours ago

Job description

About Us

At Chastain and Associates, our mission is to build sustainable, functional environments where people live, work, and play. We value excellence, innovation, and connectivity. Chastain supports work-life balance with flexible hours, hybrid options, paid time off, and a culture that encourages personal and professional growth.


What You’ll Do as the Transportation Project Manager

You will oversee multiple IDOT phase I, II or phase III projects across various offices while managing and tracking the project backlog.

  • Manage client relationships, cultivating new business connections, and collaborating with the Business Development Team to identify IDOT PTB items to pursue.
  • Managing current IDOT Phase I and II engineering projects as well as County and Municipal Transportation projects.
  • Build and maintain strong, long-term relationships with clients, ensuring satisfaction, retention, and alignment with business objectives.


What You’ll Bring to the Table

  • Licensure: Professional Engineer (PE) License in the state of Illinois or ability to obtain
  • Education: A Bachelors degree in Engineering (Civil Engineering is preferred)
  • Experience: 10+ years of experience working on IDOT roadway and bridge design projects, and managing/mentoring civil engineering staff
  • Location: Schaumburg, IL- Hybrid schedule is available
  • Software skills: Microsoft 365, MicroStation/Open Roads and Adobe (AutoCAD Civil 3D beneficial)
  • Adaptability: excel at adapting to changing project requirements.
  • Align with our core values: We do what we say, we do what it takes, we have an outward mindset, we operate with integrity.


What We Offer You

  • 401K plan with generous company match
  • Annual pay increases
  • Flexible work hours
  • Paid-time off based on total industry tenure
  • We provide four types of medical insurance plans, along with medical reimbursement and dependent care benefits
  • We pay for dental insurance, and short-term/long-term disability insurance
  • Employee and employee plus family life insurance options
  • 7 paid holidays and 1 floating holiday
  • Relocation assistance
  • Cell phone reimbursement plan
  • Annual boot allowance
  • Verizon wireless employee discount program
  • Sam's Club and Costco membership reimbursement


Ready to Make an Impact?
We’re reviewing applications on a rolling basis. Apply today to help us build communities that thrive! Don't meet every single requirement? We encourage you to apply anyway. At Chastain, we're committed to building a diverse, inclusive, and authentic workplace—and you might be just the right candidate for this or another role.


Chastain and Associates LLC is an equal opportunity employer. All applicants will be considered without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status.














Keywords: Senior Civil Engineer, Transportation Engineer, Infrastructure Engineering, Roadway Design, Highway Engineering, Traffic Engineering, Civil Transportation Projects, Public Infrastructure, Urban Mobility Solutions, AutoCAD Civil 3D, MicroStation, InRoads, OpenRoads, Transportation Planning, Traffic Simulation Software, Synchro, VISSIM, Stormwater Management, Pavement Design, Geometric Roadway Design, Highway Capacity Analysis, Project Lifecycle Management, Construction Documentation, Professional Engineer (PE) License, Civil Engineering Degree, PMP Certification, FHWA Standards, MUTCD Compliance, DOT Projects, Urban Roadway Projects, Interchange Design, Intersection Design, Multimodal Transportation, Public Transit Infrastructure, Large-Scale Civil Projects, Environmental Impact Studies, Project Management, Cross-functional Team Leadership, Client Communication, Budget Management, Proposal Writing, Regulatory Compliance, Mentorship, Team Development, Strategic Planning.