Engineer, Sr. Mechanical
Constellation Energy
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 Mid-Level - $92,700-114,00 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 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 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 Engineer in training certification Advanced degree (e.g. Masters) preferred Power plant or industrial plant experienceaa415a4b-8b21-40fc-a65c-70d2b25ca29a
$122.4k - $154k
...days and much more. \n \n ***This Engineering role can be filled at the Mid-level or Senior... ...n \n Mid-Level - $92,700-114,00\n Sr Level - $122,400-154,000\n \n Ranges... .../structural, electrical, industrial, mechanical or nuclear) with 2 years of nuclear or related...Senior$87k
...days and much more. \n \n ***This Engineering role can be filled at the Entry, Mid-level... ...\n Mid-Level - $92,700-114,000\n Sr Level - $122,400-154,000\n \n Ranges... ...Civil/Structural, Electrical, Industrial, Mechanical or Nuclear)\n Maintain minimum access...Suggested$122.4k - $154k
...days and much more. \n \n ***This Engineering role can be filled at the Senior Engineer... ...Expected salary range: \n \n \n ~ Sr Level - $122,400- $154,000\n \n \... .../Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience...Suggested$140.4k - $156k
...progression position for Work Week Managers. CECs fill the number of Sr. Work Week Manager positions based on business need and... .... Ops Shift Manager, Ops Shift Supervisor or Maintenance FLS/, Engineering, Work Management) Maintain minimum access requirement or unescorted...SeniorFull timeShift work$92.7k - $154k
A leading energy provider in Illinois seeks an Engineering professional to perform advanced technical problem-solving in nuclear plant operations. The position offers competitive salaries ranging from $92,700 to $154,000 per year, based on experience. Ideal candidates will...Senior$87k
...and sick days; and much more. ***This Engineering role can be filled at the Entry, Mid-level... ...,000 Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary... ...Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) Maintain minimum access requirements...- ...Sr Work Week Manager Braceville, Illinois Maintenance Onsite Chad Roden Jana Stark E04- E04 Exempt Ladder Job... ...(PC) scheduling knowledge Current or previous Senior Reactor Operator License/Certification Engineering or Technical Degree...Senior
$117.9k - $131k
...with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Performs advanced technical/engineering problem solving in support of Clean Energy Center (CEC) turbine generator operations. Responsible for technical decision making...Senior- ...Sr Project Manager Job Description Preferred Qualifications Master's degree in Business, Engineering, Science, or related field Supervisory or managerial experience Experience in plant operation and/or maintenance Knowledge of contract management...SeniorContract work
$183.6k - $204k
...Primary Purpose of Position \n Provide management of the engineering function of accountability and act as backup to the Site Engineering... ...(Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) or related science OR Active/Inactive Senior Reactor...SeniorTemporary work$159k - $182k
...~1.5 years or more in a position equivalent to Reactor Operator (or Supervisor) at a military reactor (i.e., Power Plant Watch Engineer, Engineering Watch Supervisor, Reactor Operator, Engineering Officer of the Watch, Propulsion Plant Watch Supervisor). Must have 1...SeniorHourly payTraineeshipRelocation packageShift work$70k
...choice for our clients starts with being the partner of choice for our employees. Learn more at or visit PLZ is hiring a Packaging Engineer to support the Personal Care Strategic Business Unit. The Packaging Engineer designs, tests, and implements packaging designs that...Full timeTemporary work- DuPont™ PPC™ in the Greater Chicago/Milwaukee region is seeking a Unit Leader to drive profitable results and long-term value. You will lead a 100+ member Operations & Logistics team, model DuPont Core Values, and ensure safety, lean execution, and financial discipline ...Senior
$93k - $136k
Mcdermottlaw is seeking a Senior Technology Change and Communications Analyst to support technology projects through effective communication and training. This hybrid position requires an analytical background and advanced knowledge of Microsoft 365 applications. The ideal...Senior- Jobtailor is seeking an experienced leader in credit risk management to drive risk initiatives across the customer lifecycle. You will guide policy governance, collaborate with Audit, and implement process improvements with cross-functional teams. The role requires a strong...Senior
$76.96k - $78k
JLL is seeking a Sr. Mechatronics & Robotics Technician in Channahon, IL to lead and mentor service technicians while managing the installation and maintenance of automated packaging and distribution equipment. The role involves developing solutions for operational challenges...SeniorFlexible hours- KNAPP North America in Elwood, IL seeks a Resident Engineer to support automated storage systems. Responsibilities include troubleshooting... ...and has over 3 years of experience with electrical and mechanical systems. This role involves travel and requires strong communication...
- Sr. Specialist - Packaging Mechanic The Packaging Mechanic is technical process leader on the Fill Finish operations team responsible for manufacturing setup, process efficiency, and production quality. The role is responsible for execution and oversight of the primary,...SeniorSummer workRelocationFlexible hours
$80k - $120k
...required minimum qualifications for this position. If none are listed, there are no minimum qualifications. Bachelor’s Degree in Engineering or prior experience in Process Improvement OR 2 years' of process improvement, or relevant work experience.Microsoft Office Suite...Full timeTemporary workPart timeWork experience placementInternshipWork at officeLocal area- Diocese of Joliet Catholic Schools in Illinois seeks a visionary Principal for Immaculate Conception School in Morris, effective July 1, 2026. The principal serves as ministerial leader, implements diocesan policies, and advances a Catholic culture while guiding instructional...
- Responsibilities Lead key business projects in credit cards risk management across the customer lifecycle such as Acquisitions, CLI, CLD, Balance Transfer, and Loss Forecasting within the first line of defense of risk management. Lead the implementation of initiatives...Senior
- TwinThread is looking for a Senior Home Lending Advisor in Channahon, Illinois. In this role, you will leverage your expertise in home lending products to assist clients throughout their loan process while collaborating with our dedicated team at Chase Home Lending. You...Senior
$35 - $38 per hour
...Sr Mechatronics & Robotics Technician Position Type: Full-Time Location: Channahon... ...various processes. Collaborate with engineering teams to innovate and improve... ...Excellent troubleshooting skills and mechanical aptitude. Strong communication skills...SeniorFull time$76.96k - $78k
Sr. Mechatronics & Robotics Technician Lead service technicians on the installation, repair, and maintenance of automated packaging... ...degree from a vocational school or college with a focus in the Mechanical or Electrical field. 5+ years of experience working with automated...SeniorContract workFlexible hoursShift workNight shift$77k - $110k
...Job Description Stepan Co. is hiring a Process Engineering position for our Millsdale, IL site. The Process Engineer will provide technical support in development and execution of Capital Projects from feasibility through construction and start-up. The person in this...Temporary workWork visaFlexible hours- Constellation, located in Morris, Illinois, is seeking an Engineer to perform advanced technical and engineering problem solving in support of nuclear plant operations. The role emphasizes technical decisions and deep knowledge of applicable industry codes and regulations...
- Stepan Company’s Millsdale Plant in Elwood, IL seeks a Senior Cost Accountant to oversee inventory integrity and standard cost accuracy. You will lead monthly cycle counts, investigate variances, and ensure proper costing for production orders while partnering with Operations...Senior
- Constellation in Braceville, IL is hiring for a Supervisor Maintenance Instrumentation and Control. The role leads maintenance teams at the Braidwood Nuclear Power Station, ensuring safe, compliant, and efficient execution of I&C maintenance programs. The position emphasizes...Senior
$26.5 - $30.5 per hour
...testing. Performs testing and troubleshooting on electronic or mechanical components, equipment or systems. Acts as liaison for... ...contract maintenance activities as required. Works with outside engineering firms to develop and install simple, but effective human-automation...SeniorHourly payContract workTemporary workNight shift- Serenity Estates of Morris is seeking an experienced Activity Director to lead engaging, evidence-based programs that enhance residents' quality of life. You will collaborate with residents, families, and our healthcare team to tailor activities to individual interests ...Senior
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