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Mid Level Engineer Jobs in Mendota, IL (NOW HIRING)

Engineer, Electrical

Oglesby, IL · On-site

$92K - $154K/yr

This Engineering role can be filled at the Mid-level or Senior Engineer level. Please see minimum ... Mid-Level - $92,700 - $114,000 * Sr Level - $122,400- $154,000 Ranges are per year based on ...

Engineer, Mechanical

Oglesby, IL · On-site

$92K - $154K/yr

This Engineering role can be filled at the Mid-level or Senior Engineer level. Please see minimum ... Mid-Level - $92,700 - $114,000 * Sr Level - $122,400- $154,000 Ranges are per year based on ...

Engineer, Electrical

Wedron, IL · On-site

$92K - $154K/yr

This Engineering role can be filled at the Mid-level or Senior Engineer level. Please see minimum ... Mid-Level - $92,700 - $114,000 * Sr Level - $122,400- $154,000 Ranges are per year based on ...

Engineer, Mechanical

Marseilles, IL · On-site

$92K - $154K/yr

This Engineering role can be filled at the Mid-level or Senior Engineer level. Please see minimum ... Mid-Level - $92,700 - $114,000 * Sr Level - $122,400- $154,000 Ranges are per year based on ...

Engineer, Electrical

Earlville, IL · On-site

$92K - $154K/yr

This Engineering role can be filled at the Mid-level or Senior Engineer level. Please see minimum ... Mid-Level - $92,700 - $114,000 * Sr Level - $122,400- $154,000 Ranges are per year based on ...

Engineer, Mechanical

Wedron, IL · On-site

$92K - $154K/yr

This Engineering role can be filled at the Mid-level or Senior Engineer level. Please see minimum ... Mid-Level - $92,700 - $114,000 * Sr Level - $122,400- $154,000 Ranges are per year based on ...

Engineer, Electrical

Troy Grove, IL · On-site

$92K - $154K/yr

This Engineering role can be filled at the Mid-level or Senior Engineer level. Please see minimum ... Mid-Level - $92,700 - $114,000 * Sr Level - $122,400- $154,000 Ranges are per year based on ...

Engineer, Mechanical

Marseilles, IL · On-site

$122K - $154K/yr

This Engineering role can be filled at the Mid-level or Senior Engineer level. Please see minimum ... Mid-Level - $92,700 - $114,000 * Sr Level - $122,400- $154,000 Ranges are per year based on ...

Engineer, Electrical

Ladd, IL · On-site

$92K - $154K/yr

This Engineering role can be filled at the Mid-level or Senior Engineer level. Please see minimum ... Mid-Level - $92,700 - $114,000 * Sr Level - $122,400- $154,000 Ranges are per year based on ...

Engineer, Electrical

Ottawa, IL · On-site

$92K - $154K/yr

This Engineering role can be filled at the Mid-level or Senior Engineer level. Please see minimum ... Mid-Level - $92,700 - $114,000 * Sr Level - $122,400- $154,000 Ranges are per year based on ...

Engineer, Mechanical

Ottawa, IL · On-site

$92K - $154K/yr

This Engineering role can be filled at the Mid-level or Senior Engineer level. Please see minimum ... Mid-Level - $92,700 - $114,000 * Sr Level - $122,400- $154,000 Ranges are per year based on ...

Engineer, Electrical

Sheridan, IL · On-site

$92K - $154K/yr

This Engineering role can be filled at the Mid-level or Senior Engineer level. Please see minimum ... Mid-Level - $92,700 - $114,000 * Sr Level - $122,400- $154,000 Ranges are per year based on ...

Engineer, Mechanical

Sheridan, IL · On-site

$92K - $154K/yr

This Engineering role can be filled at the Mid-level or Senior Engineer level. Please see minimum ... Mid-Level - $92,700 - $114,000 * Sr Level - $122,400- $154,000 Ranges are per year based on ...

Engineer, Sr. Mechanical

Wedron, IL · On-site

$122K - $154K/yr

This Engineering role can be filled at the Mid-level or Senior Engineer level. Please see minimum ... Mid-Level - $92,700-114,00 * Sr Level - $122,400-154,000 Ranges are per year based on experience ...

Engineer, Sr. Mechanical

Ottawa, IL · On-site

$122K - $154K/yr

This Engineering role can be filled at the Mid-level or Senior Engineer level. Please see minimum ... Mid-Level - $92,700-114,00 * Sr Level - $122,400-154,000 Ranges are per year based on experience ...

Showing results 21-40

Mid Level Engineer information

See Mendota, IL salary details

$37.2K

$97.1K

$131.2K

How much do mid level engineer jobs pay per year?

As of Aug 21, 2026, the average yearly pay for mid level engineer in Mendota, IL is $97,071.00, according to ZipRecruiter salary data. Most workers in this role earn between $80,100.00 and $111,100.00 per year, depending on experience, location, and employer.

What is a mid level engineer?

A Mid Level Engineer is a professional with a few years of experience—typically between three to five years—in their engineering field. They are responsible for handling moderately complex tasks, collaborating with teams, and often mentoring junior engineers. Mid Level Engineers are expected to work independently on projects, solve technical problems, and contribute to the design, development, or maintenance of systems or products. Their role bridges the gap between entry-level positions and senior engineering roles, combining technical expertise with growing leadership skills.

What are the key skills and qualifications needed to thrive as a mid level engineer, and why are they important?

To thrive as a Mid Level Engineer, you need a solid understanding of engineering principles, hands-on project experience, and typically a relevant bachelor's degree. Familiarity with industry-standard software tools, such as CAD programs or coding languages specific to your field, and certifications like EIT or PMP may be required. Strong problem-solving abilities, effective communication, and teamwork skills set standout candidates apart. These competencies are essential for managing projects efficiently, collaborating across teams, and delivering innovative engineering solutions.

What are some common challenges faced by mid level engineers when transitioning from individual contributor tasks to mentoring junior team members?

Mid-level engineers often find themselves balancing their own technical responsibilities while starting to guide and mentor junior colleagues. This transition can be challenging as it requires strong communication skills and the ability to provide constructive feedback without micromanaging. Additionally, mid-level engineers may need to learn how to delegate tasks effectively and prioritize team goals alongside their individual work. Successfully navigating these challenges helps build leadership skills and prepares engineers for more senior roles in the future.

What is the difference between Mid Level Engineer vs Junior Engineer?

AspectMid Level EngineerJunior Engineer
Experience2-5 years of relevant work experience0-2 years of experience or entry-level
SkillsProficient in core technical skills, able to handle projects independentlyBasic understanding, requires supervision and guidance
ResponsibilitiesDesign, develop, and troubleshoot projects; mentor interns or junior staffAssist in tasks, learn on the job, and support senior staff
CertificationsOften required or preferred (e.g., PE, relevant industry certifications)Typically not required

The main difference between a Mid Level Engineer and a Junior Engineer lies in experience, skill level, and responsibilities. Mid Level Engineers are expected to work independently on complex tasks, while Junior Engineers focus on learning and supporting more experienced staff. Employers seek Mid Level Engineers for their ability to contribute immediately and handle projects with minimal supervision.

What does a mid level engineer make?

A mid-level engineer typically earns between $70,000 and $100,000 annually, depending on the industry, location, and experience. They usually have 2-5 years of experience and may work with specific tools or technologies relevant to their field.

What cities near Mendota, IL are hiring for Mid Level Engineer jobs?

Cities near Mendota, IL with the most Mid Level Engineer job openings:

Infographic showing various Mid Level Engineer job openings in Mendota, IL as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $97,071 per year, or $46.7 per hour.

Engineer, Electrical

Constellation Energy

Oglesby, IL • On-site

$92K - $154K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 28 days ago


Constellation Energy rating

8.6

Company rating: 8.6 out of 10

Based on 101 frontline employees who took The Breakroom Quiz

12th of 87 rated oil and gas companies


Job description

Who We Are

As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes.
Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow.

Total Rewards

Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more.

***This Engineering role can be filled at the Mid-level or Senior Engineer level. Please see minimum qualifications list below for each level***

Expected salary range:

  • Mid-Level - $92,700 - $114,000
  • Sr Level - $122,400- $154,000

Ranges are per year based on experience, along with a comprehensive benefits package that includes bonus and 401K.

Over the past decade, Constellation has invested more than $7.1 billion in capital across its nuclear fleet to support continued safe, reliable operations and long-term license extensions. We are planning multi-billion dollar investments through 2030 to include possible extended uprates and overall modernization of our nuclear facilities where appropriate.

We are seeking Engineers and other skilled technical experts to help Constellation, the largest private sector power producer in the world, continue to design, build and operate its nuclear fleet at world-class standards.

Primary Purpose of Position

Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as a resource and technical expert to engineers. Responsible for technical decisions. Possesses excellent knowledge in functional discipline and its practical application and has detailed knowledge of applicable industry codes and regulations.

Primary Duties and Accountabilities

  • Provide in-depth technical expertise to develop, manage and implement engineering analysis, activities and programs.
  • Provide technical expertise and consultation through direct involvement and as a subject matter expert when consulted to identify and resolve equipment and system problems
  • Directly fulfill engineering and technical leadership accountability regarding short-term and long-term programs that impact site operations
  • Perform engineering tasks as assigned by supervision applying engineering principles.
  • Accountable for the accuracy, completeness, and timeliness of work ensuring proper configuration management and assuring that standard design criteria, practices, procedures and codes are used in preparation of plans and specifications.
  • Perform independent research, reviews, studies and analyses in support of technical projects and programs.
  • Recommend equipment, new concepts and techniques to improve performance, simplify construction, reduce costs, correct design or material flaws, or comply with changes in codes or regulations.
  • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department.

MINIMUM QUALIFICATIONS for Mid-level E02 Engineer

  • Bachelor&rsquos degree in engineering (chemical, civil/structural, electrical, industrial, mechanical or nuclear) with 2 years of nuclear or related engineering experience
  • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

MINIMUM QUALIFICATIONS for Senior E03 Engineer

  • Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear)  with 5 years of nuclear experience or related engineering experience
  • Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

Preferred Qualifications

  • Professional Engineer Registration
  • Previous experience in nuclear power or other power generation utility
  • Experience with transformers and high voltage power electrical systems
  • Experience with relays, motors, and control systems
  • Experience with large electrical modifications including generators, excitors, relays
  • ETAP (equivalent software) power system analysis experience
  • Working knowledge of codes and standards (NFPA, IEEE)

What Constellation Energy employees say

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