Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Mechanical Engineer

$122.4k - $154k

Constellation

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.

Expected salary range of $122,400 to $154,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k).

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 Senior E03 Engineer:

  • Bachelor's 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

  • Master's Degree in Mechanical Engineering strongly preferred

  • Design Engineering experience

  • Knowledge of Regulatory Environment

  • Professional Engineer Registration

Constellation is proud to be an equal opportunity employer and employees or applicants will receive consideration for employment without regard to: age, color, disability, gender, national origin, race, religion, sexual orientation, gender identity, protected veteran status, or any other classification protected by federal, state, or local law.

Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Senior Mechanical Engineer in Warrenville, IL vacancy
  • $90k - $175k

     ...Overview ENERCON's Chief Engineering Group is seeking a Senior Mechanical Analysis Engineer to join the team in the Kennesaw, GA (Suburb of Atlanta) or FT Worth, TX, or Naperville, IL office locations. This role offers the chance to lead innovative mechanical engineering... 
    Senior
    Work at office
    Remote work

    Enercon

    Naperville, IL
    3 days ago
  • $110k - $127k

     ...qualifications such as experience, education, certifications, and skills, as well as geographic considerations. We are seeking a Senior Mechanical Engineer to work with our Engineering team. This position manages facility and manufacturing improvement projects, develops plans,... 
    Senior

    INX International Ink

    West Chicago, IL
    4 days ago
  • $120k - $160k

     ...Your Job Molex is seeking an innovative Senior Mechanical Engineer to join our R&D team. This team is responsible for the conceptualization of industry leading fiber optic interconnect solutions and systems in rapidly growing markets in cloud computing, AI, and hyperscale... 
    Senior
    Flexible hours

    Koch Industries

    Lisle, IL
    5 days ago
  • As part of Molex's strategic collaboration with CAEPlus, this role advances CAEPlus technologies within Molex. You will lead mechanical design and validation of BoundaryCool thermal solutions, owning cold-plate design and manufacturing drawings while partnering with the... 
    Senior

    Molex

    Lisle, IL
    3 days ago
  • Donohue & Associates in Naperville, IL, is seeking an experienced Process-Mechanical Engineer to lead water and wastewater projects from planning through operations. You will work with clients and the project team across all phases. Ideal candidates have a BS in engineering... 
    Senior

    Donohue & Associates

    Naperville, IL
    4 days ago
  • Donohue & Associates in Naperville, Illinois, is seeking a Mechanical HVAC/Plumbing Engineer. The role involves designing HVAC and plumbing systems for various clients in the Midwest. The ideal candidate will have over 5 years of experience and a Bachelor's degree in mechanical... 
    Senior
    Flexible hours

    Donohue & Associates

    Naperville, IL
    4 days ago
  • $85k - $110k

     ...technology-led. viaPhoton builds custom-engineered fiber optic solutions that power AI...  ...with us. About the Role You'll lead mechanical product design for the next generation of...  ...Want to read the full job description? Senior Mechanical Engineer JD What's in it... 
    Senior
    Immediate start
    Flexible hours

    viaPhoton

    Naperville, IL
    9 days ago
  •  ...Mechanical Design Engineer Design, specification and testing of automated modified atmosphere packaging machines and systems involving flexible film tracking, heat sealing technologies, conveying systems, product handling and scale systems. Plans, directs, coordinates... 
    Senior
    Work at office
    Flexible hours

    MDA Edge

    Elgin, IL
    1 day ago
  • $102.5k - $138.5k

     ...Senior Mechanical Engineer As Chemring Energetic Devices (CED) celebrates 50 years of building products that protect our country, protect the individual warfighter, and send rockets into outer space, our growth is creating new opportunities to expand our team with... 
    Senior
    For contractors
    Work at office
    Shift work

    CHG Group, Inc

    Downers Grove, IL
    4 days ago
  • $124.8k - $164.2k

     ...Principal Mechanical Engineer The expected hiring range for this position is: $124,800.00-$164,200.00. Please note that the pay range information...  ..., designers, engineering associates, technicians, or less senior engineers. Coordinates and/or supervises technicians and... 
    Senior
    Temporary work
    For contractors
    For subcontractor
    Work at office
    Local area
    Flexible hours

    Fermilab

    Batavia, IL
    3 days ago
  • $28k

     ...Senior Mechanical Engineer Downers Grove, IL, US About You: Do you have an entrepreneurial spirit and a passion for engineering? Do you love designing and implementing complex electrical systems? Are you looking for a company that is constantly trying to push... 
    Senior
    For contractors
    For subcontractor
    Local area

    ARCO a Family of Construction Companies

    Downers Grove, IL
    1 day ago
  • $110k - $125k

     ...Senior Mechanical Engineer IV – Communications Why join OTTO Engineering? At OTTO, we don't just manufacture products—we engineer mission-critical solutions with precision and pride. Our Communications Division designs and manufactures ruggedized, application-specific... 
    Senior
    Full time
    Temporary work
    Worldwide

    OTTO Engineering

    Carpentersville, IL
    more than 2 months ago
  • ENFRA LLC seeks a Mechanical Engineer PE II to sign and seal engineering documents, analyze and improve systems, and lead projects with direct client interaction. The role emphasizes strong problem-solving, communication, and technical expertise in a fast-paced environment... 
    Senior

    ENFRA LLC

    Westmont, IL
    2 days ago
  • $100k - $130k

     ...entrepreneurial environment of a growing technology venture combined with the resources, stability, and engineering expertise of a global industry leader. This role leads the mechanical design, product validation, and manufacturing development of BoundaryCool thermal management... 
    Senior
    Flexible hours

    Molex

    Lisle, IL
    6 days ago
  • $110k - $130k

     ...Job Description Job Description Title: Senior Mechanical Engineer Location: Downers Grove, IL (Must be in office 5 days a week) Hire Type: Direct Hire Shift/Hours: 1st, 8am - 5pm (Mon-Fri) Base Salary: $110k - $130k (based on experience) Benefits... 
    Senior
    Work at office
    Shift work

    Sterling Engineering Inc.

    Downers Grove, IL
    3 days ago
  • $102.5k - $138.5k

     ...discounts. CED follows a 9/80 work schedule allowing employees to enjoy alternating Fridays off. JOB SUMMARY: CED's Senior Mechanical Engineer holds technical accountability in developing new products and supporting existing legacy devices for military, aerospace,... 
    Senior
    For contractors
    Work at office
    Shift work

    Chemring Energetic Devices, Inc

    Downers Grove, IL
    23 days ago
  • $118.3k - $171.5k

     ...Job Description Job Description TKDA is a 100% employee-owned engineering, architecture, and design firm seeking a Senior Professional Mechanical Engineer to join our Facilities Engineering division. This role supports projects across the Midwest and may be based in... 
    Senior
    H1b
    Work from home
    Visa sponsorship
    Work visa
    Monday to Friday
    Night shift

    TKDA

    Downers Grove, IL
    13 days ago
  •  ...Job Description Job Description Valdes Architecture & Engineering is seeking an experienced Senior Mechanical Engineer to support projects across municipal infrastructure, water and wastewater, building systems, industrial process facilities, utility and power infrastructure... 
    Senior
    For contractors
    Local area

    Valdes Architecture & Engineering

    Lombard, IL
    10 days ago
  • BW Design Group in Oak Brook, IL, seeks a Sr. Licensed Mechanical Engineer to lead the design of mechanical systems for manufacturing facilities. You will develop conceptual and detailed designs for HVAC, plumbing, piping, and industrial gas distribution, working with clients... 
    Senior

    BW Design Group

    Oak Brook, IL
    6 days ago
  • IAC Acoustics is seeking a Senior Mechanical Engineer in North Aurora, IL to lead the design, development, and implementation of mechanical systems. You will apply engineering expertise, manage projects, and ensure that quality and performance standards are met. The role... 
    Senior

    Catalyst Acoustics Group

    North Aurora, IL
    2 days ago
  • $115k - $135k

     ...review with minimal supervision Work as a cross functional resource with Business Units, Insights/Innovation, Supply Chain Engineering, Product Development R&D, and Procurement to develop new packaging platforms to support product innovation Provide technical support... 
    Senior
    Work experience placement
    Local area
    Relocation

    Sara Lee Frozen Bakery,LLC

    Villa Park, IL
    10 days ago
  • $90k - $130k

     ...Job Description Job Description Title: Senior Mechanical Engineer Location: Downers Grove, IL Hire Type: Direct Hire - in office 5 days a week. Shift/Hours: 40 Hours/Week Base Salary: $90k – $130k Benefits: * Industry-leading performance-based... 
    Senior
    Work at office
    Shift work

    Sterling Engineering Inc.

    Downers Grove, IL
    4 days ago
  •  ...Our Process-Mechanical Engineer position offers an exciting opportunity for the selected candidate to be part of Donohue & Associates, a firm with national water/wastewater expertise in a small company environment. We are seeking an experienced engineer who can work with... 
    Temporary work
    Flexible hours

    Donohue and Associates

    Naperville, IL
    1 day ago
  •  ...Job Summary An experienced Senior Mechanical Engineer is sought to support projects across municipal infrastructure, water and wastewater, building systems, industrial process facilities, utility and power infrastructure, and life sciences markets. The role involves... 
    Senior
    For contractors
    Local area
    Flexible hours

    PEAK Technical Staffing USA

    Lombard, IL
    2 days ago
  • $100k - $120k

     ...FLSA Status: Exempt Reports To: Director of Sales Location: North Aurora, IL Job Summary: The Senior Mechanical Engineer is responsible for leading the design, development, and implementation of mechanical systems and components. This role involves providing... 
    Senior
    Full time

    Sound Seal Inc

    North Aurora, IL
    4 days ago
  • $84.76k - $129.5k

     ...Responsibilities Pipi ng Engineering & Analysis Synopsis The Piping Engineering &...  ...Position Specific Details Provides senior-level technical support by performing a...  ...Skills and Experience: ~ BS or MS in Mechanical Engineering, Engineering Mechanics, Aerospace... 
    Senior
    Hourly pay
    Full time
    Work at office
    Local area
    Worldwide
    Flexible hours
    3 days per week

    Sargent & Lundy

    Warrenville, IL
    10 hours ago
  • $18 - $28 per hour

     ...Field Evaluation Engineer Detail-oriented, reliable, creative team-player to assist in field evaluations of in-service equipment...  ...Minimum Qualifications: Education: Bachelor of Science in Mechanical Engineering Experience: Min Yr = 0 Max Yr = 1+ Licensure... 
    Hourly pay
    Internship
    Local area

    Brindley Engineering Corporation

    Lisle, IL
    3 days ago
  • $65k - $85k

     ...Mechanical Design Engineer Naperville, IL We are changing the norm by being customer-focused, technology-led. viaPhoton builds custom-engineered fiber optic solutions that power AI infrastructure, data centers, and 5G networks for some of the biggest names in tech... 
    Immediate start
    Flexible hours

    viaPhoton

    Naperville, IL
    4 days ago
  • $40 - $90 per hour

     ...Job Title: Mechanical Engineer Job Description This role focuses on delivering high‑quality mechanical engineering solutions for nuclear power plant projects by analyzing complex problems, developing effective designs, and overseeing the full lifecycle of engineering deliverables... 
    Contract work
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Work from home
    Flexible hours

    Actalent

    Naperville, IL
    1 day ago
  • $160.12k

     ...perspectives. Join our team, and together we will make a difference and change the world. Job Description Are you a skilled Mechanical Engineer with expertise in HVAC and plumbing systems who is ready to take the next step in their career? This role offers the... 
    Work experience placement
    H1b
    Work at office
    Local area
    Remote work
    Work from home

    CDM Smith

    Lisle, IL
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Mechanical Engineer. Be the first to apply!