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Senior Engineer Jobs in Decatur, IL (NOW HIRING)

AEI

Electrical Senior Project

Decatur, IL · On-site

Electrical Senior Project Engineer Join a team where engineering excellence drives opportunity. At Affiliated Engineers, Inc. (AEI), we bring together expertise and innovation to solve the most ...

Intellectt INC

Electrical Engineer

Decatur, IL · On-site

Bachelor's or Master's degree in Electrical Engineering Thanks & Regards, Ajay Bhanu Senior Recruiter Intellectt Inc Bhanu@intellectt.com Direct: 732 784 4384 Desk number: 732 412 6999- Ext: 159

Constellation Energy

Senior Reactor Operator

Macon, IL

$159K - $191K/yr

Constellation is seeking Initial License Trainees (ILT) to become a licensed Senior Reactor ... Degree from a 4-year program or equivalent in engineering, engineering technology, or physical ...

Constellation Energy

Senior Reactor Operator

Cisco, IL

$159K - $191K/yr

Constellation is seeking Initial License Trainees (ILT) to become a licensed Senior Reactor ... Degree from a 4-year program or equivalent in engineering, engineering technology, or physical ...

Constellation Energy

Senior Reactor Operator

Boody, IL

$159K - $191K/yr

Constellation is seeking Initial License Trainees (ILT) to become a licensed Senior Reactor ... Degree from a 4-year program or equivalent in engineering, engineering technology, or physical ...

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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 4, 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.

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 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.

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 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.

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
Senior Transportation Project Manager

Senior Transportation Project Manager

Employment Resource Group Inc

Decatur, IL

Full-time

Posted 7 days ago

Job description

The Transportation Project Engineer / Senior Transportation Project Manager provides senior-level technical leadership and project oversight for complex transportation infrastructure initiatives within a public-sector environment. This role is responsible for leading the planning, design, and delivery of roadway and transportation projects while balancing regulatory compliance, budget constraints, and quality expectations. The position plays a critical role in client relationship management, backlog execution, and the development of high-performing engineering teams, with a strong emphasis on accountability, mentorship, and long-term business impact.
Job Duties and Responsibilities

  • Lead and manage the delivery of transportation engineering projects from planning through final design and implementation.
  • Oversee roadway geometry, traffic control, and drainage design in accordance with municipal, state, and federal standards.
  • Serve as a primary technical and managerial point of contact for public-sector clients, fostering long-term, trust-based relationships.
  • Ensure all projects comply with applicable regulatory, funding, and agency requirements, including state DOT standards.
  • Coordinate effectively with multidisciplinary internal teams, external consultants, and public agencies.
  • Balance competitive public-sector fee structures with the expectation of high-quality, technically sound project delivery.
  • Take ownership of active project backlogs and support delivery across multiple regional offices as needed.
  • Identify and resolve technical, regulatory, and budget-related challenges through proactive problem-solving.
  • Support business development efforts through proposal development and pursuit of new transportation work.
  • Mentor and develop junior engineers, strengthening overall team capacity, performance, and efficiency.
Qualifications
  • Minimum of six years of hands-on transportation engineering experience, with increasing responsibility consistent with project engineer, project manager, or senior project manager levels within a U.S.-based civil engineering or contractor environment.
  • Demonstrated experience delivering municipal, state DOT, or federally funded transportation projects.
  • Strong technical expertise in transportation design, including roadway geometry, traffic control, and drainage systems.
  • Proven ability to work independently while coordinating with multidisciplinary teams and public agencies.
  • Professional Engineer (PE) license in Illinois or a demonstrated commitment to obtaining licensure.
  • Proficiency with industry-standard design and productivity tools, including MicroStation, AutoCAD, and Microsoft 365.
  • Client-focused communicator with strong relationship-building, persuasion, and negotiation skills.
  • Analytical, detail-oriented professional with strong follow-through and a calculated approach to risk-taking.
  • Comfort with direct, constructive dialogue and the ability to navigate challenging conversations effectively.
  • High-energy, adaptable leader who thrives in relationship-driven, growth-oriented environments and values mentorship.

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