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Senior Mechanical Engineer - Energy & Industrial

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Sargent & Lundy
Part Time position
Listed on 2026-06-27
Job specializations:
  • Engineering
    Mechanical Engineer, Environmental Engineer
Salary/Wage Range or Industry Benchmark: 84762 - 129498 USD Yearly USD 84762.00 129498.00 YEAR
Job Description & How to Apply Below
Position: Senior Mechanical Engineer 1 - Energy & Industrial
Location: St. Louis

Description

Your responsibilities will include, but are not limited to:

  • Act ing as the Mechanical team lead by overseeing a team of junior engineers and designers in coordinating detailed design phases for all aspects of mechanical engineering work
  • W ork ing on challenging assignments that include investigating, troubleshooting, and solving a wide variety of mechanical engineering issues
  • Develop ing integrated systems designs for the planned work , including :
  • D esign, modification, and analysis of power plant mechanical systems , including primary steam/water cycle systems and secondary balance of plant systems
  • D esign, modification, and analysis of Oil & Gas mechanical systems /facilities, including compressor stations, meter stations, pump stations, pipelines, gas processing plants, wellhead systems, central gathering facilities, and CO2/CCUS facilities
  • P repar ing and reviewing calculations to support equipment sizing, optimization evaluation s , and selection
  • P repar ing and reviewing technical specifications for mechanical engineering equipment
  • P repar ing and reviewing material lists, equipment lists, line lists
  • R eview ing piping drawings (Isometrics, composites, plans, sections, and elevations)
  • P repar ing and reviewing engineering studies and technical reports
  • Perform ing independent reviews of work performed by others including calculations and drawing preparation
  • Coordinat ing and provid ing guidance to other engineers, project managers, client personnel, and suppliers to ensure a complete and timely design
  • Perform ing reviews of existing facilities to propose upgrades and replacements, and present ing findings and recommendations to clients and peers
  • Develop ing your career via peer-learning through knowledge sharing with other experienced engineers by way of S&L’s systems of process and associated “Communities of Practice”
  • Provid ing guidance as a mentor in the development of less - experienced engineers
  • Communicat ing and interact ing with client staff
  • There is potential for travel to client and vendor offices for design reviews and to plant site locations for construction coordination , field verification of designs , or support ing facility commissioning
  • Provide input/oversight of company standards
  • Desirable Engineering experience includ es :
  • P&t
  • Piping Design Review
  • Process/Hydraulic Calculations
  • Engineering Evaluations
  • Corrosion Protection
  • PHA participation
  • Constructability Reviews
  • Engineering liaison to support construction of new generation power facilities
  • Gas Processing / Gas Plant design

This position is based on a hybrid work schedule and will require in-office work 3 days per week in Houston, TX.

Qualifications

We do not sponsor employees for work authorization in the U.S. for this position.

Essential skills and experience:

  • Bachelor's Degree in Mechanical Engineering from an ABET Engineering Accreditation Commission-approved program is required
  • PE License, preferred.
  • Five or more years of experience in the design of mechanical engineering systems for non-commercial, heavy industrial plants (power plant - essential, oil & gas, or chemical - valued), with a focus on integrated, detailed system design for new plants, modifications, or replacements;
    Experience must include the selection of equipment, piping materials, control philosophy, and the preparation of supporting calculations and specifications.
  • Ability to take a lead role in the completion of preliminary engineering studies that evaluate multiple solutions to address a given client’s problem or need.
  • Sound technical judgement, technical writing skills, and experience with preparing high level bills of materials and needed equipment lists for estimating.
  • E xperience in leading an engineering design team through all phases of capital projects or small to medium plant services projects.
  • Customer service oriented with passion for high customer satisfaction and achieving project execution excellence.
  • Knowledge of industry
    -related Codes and Standards.
  • Valued but not required skills and experience:
  • MSME from an ABET Engineering Accreditation Commission-approved program
AI & Automation at Sargent & Lundy
  • You are expected to lead others in taking engineering…
Position Requirements
10+ Years work experience
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