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

Senior Mechanical Engineer

gpac

Job Summary We are seeking an experienced Senior Mechanical Engineer who can perform engineering related duties for the design and planning phases of multiple and/or large, complex design and construction projects, ensuring compliance with specifications, codes, and standards. Responsibilities Preconstruction Duties: Leads peer review of design progress and coordinates with Operations Division on design and cost control related matters. Assists Operations in developing scope of work documents and schematic budgets. Collaborate with team members to identify and incorporate project goals. Creates engineering only estimates and monitors progress throughout design phases. Commissioning: Leads internal commissioning process on projects. Works with Operations to incorporate needs of commissioning early in design/preconstruction phase of work. System Design: Performs and leads system design for mechanical and plumbing/piping systems; selects and sizes equipment, ductwork, and piping; writes specifications; and develops sequences of operation for defined solutions. Performs and reviews load calculations and compliance checks as necessary to ensure technical accuracy and code compliance. Provides technical oversight and guidance to ensure quality, consistency, and constructability of design deliverables. Engineering Documentation: Maintains project files and produces design calculation reports and documents release packages for coordination. System Layout and Modeling: Creates design sketches and engages in/or supervises engineering modeling. Post-Construction Duties: Conducts field walk-throughs and creates punch list on designed work. Participates in client follow-up and closeout activities. Modifies design documents to reflect as-built conditions. Requirements 10+ years of design engineering experience Bachelor's Degree in Mechanical, Electrical, or Construction Engineering or related field Occasional Travel PE License Required Industrial/Manufacturing design experience a plus All qualified applicants will receive consideration without regard to race, age, color, sex (including pregnancy), religion, national origin, disability, sexual orientation, gender identity, marital status, military status, genetic information, or any other status protected by applicable laws or regulations. #J-18808-Ljbffr

Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Senior Mechanical Engineer in Saint Louis, MO vacancy
  • DescriptionThe Senior Mechanical Engineer will lead mechanical design projects and teams to create world-class designs for new projects, alterations and redevelopments within the Life Sciences industry (Pharmaceutical and Biotech). The Senior Mechanical Engineer will lead... 
    Senior
    For contractors
    Work at office

    Burns & McDonnell

    Saint Louis, MO
    4 days ago
  •  ...Job Title: Senior Mechanical Engineer Job ID: 90323 Location: Highland, Illinois Overview Our client is looking for a Senior Mechanical Engineer to plan, conduct, and direct the mechanical portion of engineering projects of major significance — work that requires... 
    Senior

    TEEMA

    Saint Louis, MO
    5 days ago
  •  ...Founded in 1975, BR+A Consulting Engineers maintains a total staff of over 500 employees...  ...state-of-the-art integrated and coordinated mechanical, electrical, plumbing and fire...  ...services. BR+A is seeking an experienced Senior Mechanical Engineer in our St. Louis, MO... 
    Senior
    Full time
    For contractors
    Work at office

    KARIER

    Saint Louis, MO
    4 days ago
  •  ...learn how you could help make great things possible not only in your community, but around the world. In the role of Senior Mechanical Engineer, we'll count on you to: Coordinate the work of Mechanical Engineers with the balance of a multidiscipline team throughout... 
    Senior
    Full time
    Contract work
    Work at office

    HDR

    Saint Louis, MO
    7 days ago
  •  ...A regionally recognized mechanical construction and facilities services firm is seeking an experienced Senior Mechanical Project Manager to lead large-scale commercial and...  ...plumbing, piping, controls/building automation, engineering services, and prefabrication support.... 
    Senior
    Contract work
    For contractors
    For subcontractor

    gpac

    Saint Louis, MO
    2 days ago
  •  ...Murphy Company Since 1907, Murphy Company has been a leading mechanical contractor in the St. Louis and Denver markets that...  ...clients’ visions. Job Description Job Information Job Title Senior Mechanical Engineer Reports To Director of Engineering Location St. Louis, MO... 
    Senior
    For contractors
    Work at office
    Flexible hours

    Murphy Company

    Saint Louis, MO
    3 days ago
  •  ...turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across...  ..., design, and construction. The Role We Want You For The Senior Mechanical Engineer will lead the mechanical design of projects, provide... 
    Senior
    For contractors
    Casual work
    Local area
    Flexible hours

    LJC

    Saint Louis, MO
    2 days ago
  • $146.4k - $219.6k

     ...Posted Wednesday August 19th, 2026 at 9:46 AM | Expires Thursday, December 31st, 2026 at 12:59 AM Position Summary: A Senior Mechanical Engineer in our Mission Critical practice will have the opportunity to design the most complex advanced building systems, prepares... 
    Senior
    For contractors
    Casual work
    Work at office
    Remote work
    Flexible hours

    Henderson Engineers

    Saint Louis, MO
    3 days ago
  • DescriptionBurns & McDonnell is seeking to hire a Senior Mechanical Engineer to support our Power global practice. The Senior Mechanical Engineer will lead mechanical design project teams to create world class designs for both new and existing power generation facilities... 
    Senior
    For contractors
    Work at office

    Burns & McDonnell

    Saint Louis, MO
    4 days ago
  •  ...Mechanical Senior Project ManagerMechanical Senior Project Manager needed ASAP for a well-respected, growing mechanical contractor in the area! Come work for a company that has many years of proven excellence, great compensation and benefits that shows no signs of slowing... 
    Senior
    For contractors
    Immediate start

    gpac

    Saint Louis, MO
    3 days ago
  •  ...Description This individual will provide project management and mechanical (HVAC) design services on a variety of building projects....  ...candidate will have a degree in Architectural or Mechanical Engineering, Professional Registration, and at least 5 or more years of... 
    Senior
    Casual work
    Flexible hours

    RimePro Inc

    Saint Louis, MO
    4 days ago
  • $139.2k - $174k

     ...you’ll do work that matters.As a leading global architecture, engineering, and geospatial firm, we help clients solve complex...  ...and impact.Position OverviewWoolpert is hiring an experienced Senior Mechanical Engineer to join our dynamic Mechanical Engineering team in... 
    Senior
    Full time
    Flexible hours

    Woolpert

    Fairview Heights, IL
    5 days ago
  •  ...Description As a Sr. Mechanical Engineer, you will play a critical role in designing and implementing complex industrial process systems or power utility systems. Your expertise in areas such as high energy piping systems and steam turbines will be essential for developing... 
    Senior
    Permanent employment
    Temporary work
    Work at office

    CDG Engineers, Inc.

    Saint Louis, MO
    1 day ago
  • $105k - $145k

     ...Prairie Engineers is seeking an experienced, licensed Senior Mechanical Engineer to join us! Do you strive to provide your clients with quality plans, exceptional service, and flexible, innovative solutions? Are you looking for a company that not only supports their clients... 
    Senior
    Full time
    Part time
    Work at office
    Remote work
    Flexible hours

    Prairie Engineers P.C

    Hazelwood, MO
    2 days ago
  • $103.7k - $140.3k

    Mechanical Design Engineer (Experienced & Senior) Company: The Boeing Company Boeing Test & Evaluation (BT&E) is looking for a Mechanical Design Engineer to support the Environmental Test Design Engineering team in Berkeley, MO. The primary focus of this... 
    Senior
    Permanent employment
    Work experience placement
    Interim role
    Currently hiring
    Local area
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work

    Boeing Company

    Berkeley, MO
    1 day ago
  • $103.7k - $140.3k

     ...future with us. The Boeing Test Operations and Engineering (TO&E) team in Berkeley , Missouri is seeking Mechanical Systems Design & Analysis Engineers to join our...  ...of experience levels including Experienced and Senior Mechanical Systems Design & Analysis Engineers.... 
    Senior
    Permanent employment
    Work experience placement
    Interim role
    Currently hiring
    Remote work
    Relocation
    Visa sponsorship
    Work visa
    Flexible hours
    Shift work
    Day shift

    The Boeing Company

    Berkeley, MO
    1 day ago
  • $103.7k - $140.3k

    Experienced or Senior Mechanical System Design Engineers Company: The Boeing Company Boeing St. Louis is building the future - creating innovative solutions that will define the next generation of aerospace. We are currently seeking Experienced or Senior Mechanical... 
    Senior
    Work experience placement
    Interim role
    Immediate start
    Relocation
    Visa sponsorship
    Work visa
    Flexible hours
    Shift work

    Boeing Company

    Berkeley, MO
    3 days ago
  • Sr. Mechanical Engineer Saint Louis, MO Full-time Description As a Mechanical Engineer, you will play a critical role in designing and implementing complex industrial process systems or power utility systems. You will have advanced skills in the following areas: problem... 
    Senior
    Permanent employment
    Full time
    Temporary work
    For contractors
    Work experience placement
    H1b
    Work at office

    CDG Engineers

    Saint Louis, MO
    2 days ago
  •  ...Mechanical Engineer Responsible for supporting regional capital investment projects in the Americas Region, specifically at our site in Idaho. Shares ownership with other team members for successful project outcomes. Ensure compliance with industry and Bayer engineering... 

    Samprasoft

    Saint Louis, MO
    2 days ago
  •  ...satisfaction has always been the bedrock of our achievements. Currently, we are in search of an exceptional and driven Senior Mechanical Engineer to join our dynamic team. As a Senior Mechanical Engineer at Gillespie & Powers, you'll play a pivotal role in advancing... 
    Senior
    Contract work

    Gillespie & Powers

    Saint Louis, MO
    5 days ago
  •  ...Process-Mechanical EngineerOur 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... 

    Donohue & Associates

    Saint Louis, MO
    3 days ago
  • $130k - $180k

     ...Job Description Job Description Overview WRS Mechanical is hiring a Senior Mechanical Project Manager in St. Louis, MO to lead large, complex...  ...Mentor Project Managers, Assistant PMs and Project Engineers Build strong relationships with general contractors, owners... 
    Senior
    Permanent employment
    Full time
    For contractors
    For subcontractor

    WRS - Worldwide Recruitment Solutions

    Saint Louis, MO
    5 days ago
  •  ...Engineering Role At The Business Unit LevelCome join a team where people make the difference! As a part of Marmon Holdings, Inc., a highly decentralized organization, we rely heavily on people with the aptitude, attitude, and entrepreneurial spirit to drive our success... 
    Senior

    Marmon Holdings, Inc.

    Saint Louis, MO
    4 days ago
  • $104.5k

     ...DivisionSalary: Starting at $104,502 Per year (GS 12)Dates: Open 10/30/2026 to 11/13/2026Schedule: Full-timeWork type: PermanentRelocation: TruePosition ID: CEDE-26-13102824-DHA-RDocument ID: 890985200Grade: GS 12Job category: Mechanical Engineering (0830)Hiring path: public... 

    United States Government

    Saint Louis, MO
    3 days ago
  • $140k - $150k

     ...Job Title: Senior Validation Engineer We are a leading science and technology company offering innovative products and services to biotech and pharmaceutical drug therapies businesses. As a strategic partner, we collaborate with scientific and engineering communities... 
    Senior
    Full time
    Contract work

    FPC of Atlanta

    Saint Louis, MO
    2 days ago
  •  ...Senior Process Engineer – Liquid SystemsWe are seeking a Senior Process Engineer with deep expertise in liquid processing systems within the...  ...initiatives.QualificationsBachelor's degree in Chemical, Mechanical, or Process Engineering (ABET-accredited)5+ years of experience... 
    Senior

    CRB

    Saint Louis, MO
    3 days ago
  •  ...Hiring: Mechanical Design Engineer II Client: General Electric (GE) Vernova Location: Greenville, SC 29615 Job Description We are seeking an experienced Mechanical Design Engineer II to join GE Vernovas Gas Turbine Engineering (GTE) organization... 

    22nd Century Technologies

    Saint Louis, MO
    3 days ago
  •  ...CN Mechanical Engineer Courion - St. Louis, MO Overview Level Experienced Category Indirect Labor - IDL Description Mechanical Engineer – Freight Elevator Systems Courion | St. Louis, MO | Full-Time | Exempt About the Opportunity Courion, a Vantage Elevation company, is... 
    Full time
    Monday to Friday

    GAL Manufacturing

    Saint Louis, MO
    5 days ago
  • $100k - $145k

     ...Mechanical Engineer Hanson Values: Integrity | Commitment | Quality | Relationships | Innovation If you're looking for a firm that encourages innovative thinking and challenges you every day, with an opportunity to learn and advance, a career at Hanson is right for... 
    For contractors
    Internship
    Work at office

    Hanson Professional Services

    Saint Louis, MO
    3 days ago
  • $95k - $135k

     ...Project Engineer In this role you'll work as Project Engineer on industrial, educational, health care and commercial facilities projects...  ...Qualifications ~ P.E. certification ~7 + years HVAC, Mechanical Piping, and Plumbing Design experience required ~ BS in... 

    gpac

    Saint Louis, MO
    1 day ago

Do you want to receive more vacancies?

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