Mechanical Engineer

Reposted 5 Days Ago
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St Louis, MO, USA
In-Office
111K-215K Annually
Expert/Leader
Greentech • Hardware • Energy
The Role
Performs mechanical engineering studies, designs, specifications, construction support, inspections, and commissioning for natural gas turbine generation projects. Develops equipment and construction specifications, reviews designs and shop drawings, supports permitting and cost estimates, coordinates with vendors and contractors, conducts site visits, and resolves field issues. The role may oversee projects, work non-standard hours, and provide engineering support across fossil, hydro, gas, and renewable generation facilities.
Summary Generated by Built In

About Ameren Missouri

Ameren Missouri has been providing electric and gas service for more than 100 years, and our electric rates are among the lowest in the nation. Ameren Missouri's mission is to power the quality of life for our 1.2 million electric and 132,000 natural gas customers in central and eastern Missouri. Our service area covers 64 counties and more than 500 communities including the greater St. Louis area.

Our benefits include:

  • Medical coverage on date of hire

  • 100% employer paid cash balance pension plan

  • 401(k) with company match fully vested on date of hire

  • Minimum of 15 days paid vacation and 12 paid holidays

  • Paid parental leave and family caregiver leave

Visit our Benefits & Perks Page for more information on benefits provided to regular full-time employees. ​

About The Position

The Mechanical (ME) Engineer performs engineering studies, designs, technical specification development, construction, and commissioning activities for new natural gas combined cycle(NGCC) and simple cycle gas turbine(SC) energy centers for Ameren Missouri. In addition, this role may require support for projects at other existing or new Power Operations Generation facilities including fossil, gas, hydro and renewable. The position will include project support duties that may require long and/or non-standard work hours. The Mechanical Engineer will report to Manager – New Gas Generation.

Key responsibilities include:

  • Responsible for the development and review of mechanical engineering specific requirements for existing generating fleet, new simple cycle and new combined cycle generation projects.
  • Lead mechanical engineering technical support for all phases of simple cycle, combined cycle and other generation projects.
  • Create, review, and participate in projects design, planning, and constructability reviews, value engineering, permitting, risk review, and lessons learned.
  • Develop equipment specification for simple cycle and combined cycle power island equipment and auxiliary support equipment.
  • Develop construction specifications and complete bid documents, direct drawing preparation and assist in providing cost estimates.
  • Interact and collaborate with various engineering groups, vendors, contractors, architect/engineering firms, and internal customers to achieve project objectives.
  • Assist or lead in the planning, project oversight/management, inspections, and commissioning of projects.
  • Review shop drawings, perform site visits and inspections during construction, and use problem solving skills to develop timely resolutions to field issues.
  • Experience in the following commercial software applications is preferred: AutoCAD, FATHOM and Bluebeam. High proficiency in MS Office applications.
Qualifications

Bachelor of Science Degree in Mechanical, Nuclear or Chemical engineering from an accredited college or university required. Missouri Professional Engineer (P.E.) License or commitment to actively pursue one in Missouri preferred. Project Management Professional (PMP) certification preferred. Ten or more years of engineering experience in simple cycle, combined cycle or Rankin cycle experience preferred.

In addition to the above qualifications, the successful candidate will demonstrate:

Candidate must have good analytical, communication and interpersonal skills. Candidate must also have capability to work effectively as part of a project team with the ability to handle and prioritize multiple assignments and projects. Must be highly adaptable to a changing industry and willing to stay current with the latest industry technologies. Willing to travel to project site locations. Overnight travel is expected to be limited.

*Technical career path level depends upon applicants' credentials and position market pay level.

Additional Information

Ameren’s selection process includes a series of interviews and may include a leadership assessment process.  Specific details will be provided to qualified candidates.

Compensation Range:

$111,100.00 - $215,300.00

* This pay range encompasses multiple levels of the role. Career level and compensation depends upon applicant’s credentials.

At Ameren, base salary is one component of a competitive compensation package for employees. Our pay ranges are broad to allow for movement within our organization and to accommodate different skill sets and levels of expertise. We take into consideration a variety of factors including, but not limited to, skills, abilities, experience, education, credentials, and internal equity when determining the base salary offered. Roles are eligible for additional rewards including annual incentive payments based on individual and company performance.

If end date is listed, the posting will come down at 12:00 am on that date:

Wednesday September 30, 2026

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, ethnicity, age, disability, genetic information, military service or status, pregnancy, marital status, sexual orientation, gender identity or expression, or any other class, trait, or status protected by law.

Skills Required

  • Bachelor of Science degree in Mechanical, Nuclear, or Chemical Engineering from an accredited college or university
  • Missouri Professional Engineer license or commitment to actively pursue one in Missouri
  • Project Management Professional certification
  • Ten or more years of engineering experience with simple-cycle, combined-cycle, or Rankine-cycle systems
  • Strong analytical, communication, and interpersonal skills
  • Ability to work effectively on project teams and prioritize multiple assignments and projects
  • Ability to adapt to a changing industry and stay current with industry technologies
  • Willingness to travel to project site locations
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The Company
HQ: Saint Louis, MO
5,859 Employees
Year Founded: 1902

What We Do

We're Ameren Corporation (AEE), a St. Louis-based, Fortune 500 company that powers the quality of life for millions of people throughout Illinois and Missouri. Ameren Illinois provides electric distribution and transmission service, as well as natural gas distribution service, while Ameren Missouri provides vertically integrated electric service, with generating capacity of over 10,200 megawatts, and natural gas distribution service. Combined, we serve 2.4 million electric and more than 900,000 natural gas customers in a 64,000 square mile area. We're the largest electric utility in Missouri and the second largest in Illinois, and we're among the nation's largest investor-owned electric or gas utility.

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