Engineer, Mechanical Sr
$92.7k - $114kConstellation 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 Entry, Mid-level or Senior Engineer level. Please see minimum qualifications list below for each level***
- 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
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.
- Recommends 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
$57.5k - $71.9k
...knowledge and troubleshooting skills Ability to work independently and manage multiple tasks WE VALUE Associate's degree in engineering or a related field; Bachelor's degree preferred Experience with Honeywell products and systems Experience with conveyor...SeniorTemporary workWork experience placementFlexible hoursShift workNight shiftWeekend work$92.7k - $114k
...and sick days and much more. ***This Engineering role can be filled at the Mid-level or... ...Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Ranges are... ...civil/structural, electrical, industrial, mechanical or nuclear) with 2 years of nuclear or related...Suggested$135.4k - $203.1k
...experience, educational background, and skill level. Purpose Serve as a senior technical resource responsible for leading complex engineering work supporting the operation, maintenance, repair, and long-term asset management of Dairyland Power's gas turbine plant...SeniorContract workTemporary workWork experience placementCasual workWork at officeLocal areaFlexible hours- ...This engineer will play a crucial role in providing design engineering support, collaborating with vendor organizations to drive efficient Reactor Pressure Vessel, Internals, and Mechanical Containment Penetration design, manufacturing, and testing. In this role, the...Suggested
$85k
...Sr. Credit Analyst – To $85K – Joliet, IL – Job # 3672B Who We Are The Symicor Group is a boutique talent acquisition firm based in Schaumburg, IL & Rockport, TX. Our nationally unique value proposition centers around providing the very best available banking...SeniorWork at office- ...Sr. Client Service Specialist - (Mon - Thur) - Weekend Day Shift Job Category: Client Services Requisition Number: SRCLI007864 Posted: March 18, 2026 Full-Time On-site McCook, IL 60525, USA Job Details Description Essential Job Functions:...SeniorFull timeWork at officeWeekend workDay shift
- ...WMS and WCS software application area Independently monitor the system hardware and software Identify and resolve critical mechanical issues Install software on Windows workstations and laptops Provide logistical support for warehouse operations Write management...Temporary workWork at officeWorldwideFlexible hours
$19.5 per hour
...and be on your feet majority of shift. What We Can Offer You Competitive Pay & Benefits : Wages starting at $19.50/hr for Sr Production Operators + 20% shift differential for night shift! Generous Time Off : Take advantage of our generous vacation, sick...SeniorFull timeRemote workVisa sponsorshipWork visaShift workNight shift$183.6k - $204k
...Engineering, Sr Manager 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...SeniorRemote workShift work$82.97k - $110.63k
...lasting impact. We’re looking for top-tier talent ready to take on the challenge. Join us in building the future. The Role Senior Engineer position requires a high degree of technical and coding competencies while providing support to various Lumen organizations. This...SeniorFull timeTemporary workWork at officeRemote workNight shift$68k - $75k
...knowledge and troubleshooting skills Ability to work independently and manage multiple tasks WE VALUE Associate's degree in Engineering or a related field; Bachelor's degree preferred Experience with Honeywell products Customer-focused mindset Strong...SeniorTemporary workWork experience placementFlexible hoursShift workDay shift$84.87k - $97.19k
...Mechanical Design Engineer II The Mechanical Design Engineer II within our Production Engineering team is responsible for designing customer specified custom switchgear products to our G&W’s quality standard. This position will specialize in our entire catalog of overhead...Temporary workFor contractorsLocal areaWorldwide- Field Sales Representative Promote products on behalf of the company at all levels of the channel (architect, dealer, builder, and contractor). Develop and maintain expertise on product features and benefits as well as installation techniques. Responsible for set up...SeniorFor contractorsLocal areaWork from homeNight shiftWeekend work
$75k
Position Type: Administration - - Certified/Assistant Principal Date Posted: 5/19/2026 Location: Craughwell Elementary School Date Available: 07/01/2026 Closing Date: Open until filled Please download the attached document for a full Job Description...- Job Summary: The Senior Assistant Customer Service Coordinator represents WestRock to the customer and acts as a critical liaison between the customer, sales, and operations teams. The Senior Assistant Customer Service is the first point of contact with our customer and...SeniorFull timeWork experience placementWork at office
$135k - $182.7k
...The Sr. Operations Manager oversees all budgetary, people development, and operational objectives at the site. This role involves... ...contingent workforce during peak seasons - Bachelor's degree in Engineering, Operations or related field. MBA preferred Amazon is an...SeniorAll shiftsFlexible hoursNight shift$97.92k - $117.47k
...citizen. Heavily invested in R&D and engineering, we also recognize that our customers require... ...perks! Job Summary The Sr. Cybersecurity Engineer is responsible... ...support NAC governance and access enforcement mechanisms consistent with approved standards and...SeniorFull timeWork at officeRemote workFlexible hours- ...POSITION: Industrial Engineer LOCATION : Wilmington, IL DUTIES AND RESPONSIBILITIES: The Industrial Engineer is responsible for the project management of six sigma process improvements and facility layout. This position will devise efficient ways to use staff...Permanent employmentFull timeWork at officeRelocation
$91.52k - $137.28k
...where your contributions help move the world forward-one shipment at a time. About the Position Site dedicated Industrial Engineers are in a co-managed environment with Operational leaders, setting the overall project priorities to deliver value to customer networks...Contract workTemporary workFor contractors$97.92k - $117.47k
...respected global corporate citizen. Heavily invested in R&D and engineering, we also recognize that our customers require much more than... ...us and enjoy these fantastic perks! Job Summary The Sr. Digital Platform Governance Engineer is responsible for establishing...SeniorFull timeWork at officeRemote workFlexible hours- Missouri Employers Mutual is seeking a Senior Sales Executive in Joliet, Illinois, to drive agency partnerships and business growth. The role emphasizes outbound sales, relationship management, and establishing strong agency connections. The ideal candidate has over...Senior
- ...DuPont. Why Join Us | DuPont Careers Continuous Improvement Sr. Engineering Lead DuPont has an exciting and challenging opportunity... ...and monitoring for all process equipment (including mechanical, electrical and instrument / control equipment). Apply engineering...SeniorLocal area
$97.92k - $117.47k
...Sr. Manufacturing & Digitalization Architect (IL) We believe the future of our organization lies within the hearts and capabilities... ...global corporate citizen. Heavily invested in R&D and engineering, we also recognize that our customers require much more than just...SeniorFull timeWork at officeRemote workFlexible hours$135k - $182.7k
Description Our Senior Transportation Managers play a crucial role in exceeding expectations and providing a superb customer experience; critical to Amazon's success, which is built on a foundation of customer obsession, and innovation. This position is a multi-faceted...SeniorHourly payRelocationFlexible hoursNight shift- Home Care Evolution - - Responsibilities: Provide companionship and friendly conversation; Play games, participate in activities, and encourage engagement; Assist with bathing and personal hygiene; Assist with transfers such as on and off the toilet; Help with laundry and...Senior
$91.2k - $125.4k
...to emergencies and manage stressful situations Ability to work shift work Preferred Qualifications ~ Bachelor's Degree in engineering, technology, math, or business, with a heavy technology curriculum. Benefits ~ Annual salary will vary based on a...SeniorFor contractorsLocal areaShift workRotating shift$83.2k - $114.4k
...Coordinators, Work Week Managers and the Schedulers Maintain external relationships with the First Line Supervisors, Area Maintenance Engineers and Design Engineers Actions have direct impact on the utility company reliability and customer satisfaction goals, the revenue...SeniorLocal area$183.6k - $204k
...Primary Purpose of Position Provide overall management of the engineering function of accountability. As responsibility increases... ...Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) or related science OR Active/Inactive Senior...SeniorTemporary workLocal areaRemote workShift work- Insurance Office of America is seeking a Senior Account Manager - Commercial Lines to manage a book of business. This fully remote role focuses on account retention and new business support, primarily dealing with large accounts in hospitality and property sectors. ...SeniorWork at officeRemote work
- Senior Administrative Assistant As a Senior Administrative Assistant, you'll support multiple leaders and demonstrate a keen ability to think critically in a fast-paced environment. Here, you're an extension of your leader, complementing their work style while upholding...SeniorWork at officeFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Engineer, Mechanical Sr. Be the first to apply!



