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Geothermal Engineer Jobs in Chicago, IL (NOW HIRING)

Engineer, Sr. Mechanical

Joliet, IL · On-site

$122K - $154K/yr

... gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the ... This Engineering role can be filled at the Mid-level or Senior Engineer level. Please see minimum ...

Showing results 21-40

Geothermal Engineer information

See Chicago, IL salary details

$44.8K

$93.9K

$125.3K

How much do geothermal engineer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for geothermal engineer in Chicago, IL is $93,876.00, according to ZipRecruiter salary data. Most workers in this role earn between $79,900.00 and $106,700.00 per year, depending on experience, location, and employer.

What challenges do geothermal engineers face in their day-to-day work?

Geothermal Engineers often face challenges such as accurately assessing underground resources, managing drilling risks, and addressing environmental or regulatory concerns. The job requires troubleshooting complex mechanical systems and adapting to site-specific geological conditions, which can be unpredictable. Collaboration with environmental scientists, project managers, and construction teams is frequent, so flexibility and clear communication are important. Overcoming these challenges is rewarding and crucial to advancing reliable, sustainable energy solutions.

What does a geothermal engineer do?

A Geothermal Engineer designs, develops, and maintains systems that harness heat from the Earth to generate energy or provide direct heating. They analyze geological data to determine suitable locations for geothermal projects, oversee drilling operations, and optimize the efficiency of geothermal power plants. Their work includes assessing environmental impact, ensuring regulatory compliance, and improving energy extraction techniques.

What skills and qualifications are needed to be a geothermal engineer?

A Geothermal Engineer should possess a strong background in geoscience, thermodynamics, and mechanical or civil engineering, typically holding a bachelor's or master's degree in a related field. Familiarity with modeling software (such as GeoCAD or reservoir simulation tools), geothermal system design, and relevant safety certifications are commonly required. Strong problem-solving skills, teamwork, and effective communication set top candidates apart. These abilities are vital for designing efficient geothermal systems, navigating multidisciplinary project teams, and ensuring safe, cost-effective energy solutions.

What are the most commonly searched types of Geothermal Engineer jobs in Chicago, IL? The most popular types of Geothermal Engineer jobs in Chicago, IL are:
What job categories do people searching Geothermal Engineer jobs in Chicago, IL look for? The top searched job categories for Geothermal Engineer jobs in Chicago, IL are:
What cities near Chicago, IL are hiring for Geothermal Engineer jobs? Cities near Chicago, IL with the most Geothermal Engineer job openings:
Infographic showing various Geothermal Engineer job openings in Chicago, IL as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $93,876 per year, or $45.1 per hour.

Engineer, Design Mechanical

Constellation Energy

Crest Hill, IL • On-site

$122K - $154K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 26 days ago


Constellation Energy rating

8.6

Company rating: 8.6 out of 10

Based on 101 frontline employees who took The Breakroom Quiz

10th of 86 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.

Sr Level - $122,400-154,000

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

Primary Purpose of Position

Performs advanced technical/engineering problem solving in support of nuclear plant operations. 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 to identify and resolve equipment and system problems.
  • Provide complete task management of engineering issues.
  • 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

  • Bachelor's degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience
  • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants"
  • 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
  • Advanced technical degree or related coursework
  • Previous onsite power generation or equivalent experience

What Constellation Energy employees say

Pay

Benefits

Hours and flexibility

Workplace

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