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

Mechanical Engineer PE

$100k - $150k

System One

Job Title: Mechanical Engineer PE

Location: St. Louis, MO

Type: Direct Hire

Compensation: $100,000 - $150,000

Contractor Work Model: Hybrid - onsite and remote

Overview

The Mechanical Engineer PE applies standard engineering techniques to design, analyze, test, maintain, repair, or improve products, components, or assemblies.

Responsibilities

  • Apply standard engineering techniques to design, analyze, test, maintain, repair, or improve products, components, or assemblies.

  • Sign and seal engineering documents as required for project approval and compliance.

  • Analyze, develop, and evaluate engineering systems to ensure efficiency and safety.

  • Improve and maintain current systems or create new projects from inception through implementation.

  • Design and draft blueprints; visit systems in the field; manage and coordinate projects to meet deadlines.

  • Apply engineering techniques and analyses within assigned scope, handling complex issues independently.

  • Provide leadership, coaching, and mentoring to junior staff and team members.

  • Act as a lead or first-level supervisor when necessary, ensuring project goals are achieved.

  • Interact directly with clients to communicate project progress, challenges, and solutions.

Requirements

  • Bachelor's degree in Engineering and Professional Engineer (PE) License

  • 4-8 years of related engineering experience

  • Expert knowledge of engineering principles and practices

  • Critical thinking, problem-solving, and mathematic skills

  • Strong computer skills and technical expertise

  • Effective verbal and written communication abilities

  • Detail-oriented and adaptable to fast-paced project environments

  • Excellent multitasking skills, capable of managing multiple ongoing projects

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

#M1

#LI-JB1

Ref: #260-Eng NY Transit

System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Mechanical Engineer PE in Saint Louis, MO vacancy
  • $100k - $150k

     ...Job Title: Mechanical Engineer PE Location: St. Louis, MO Type: Direct Hire Compensation: $100,000 - $150,000 Contractor Work Model: Hybrid – onsite and remote Overview The Mechanical Engineer PE applies standard engineering techniques to design... 
    Suggested
    For contractors
    Local area
    Remote work

    System One Holdings, LLC

    Saint Louis, MO
    4 days ago
  •  ...Sr Mechanical Engineer, PE Role: Sr Mechanical Engineer, PE - EPC/EPCM Senior Mechanical Engineer Primary Responsibilities: Sizing and preparation of specifications for mechanical equipment and systems. Design for materials handling, conveyor systems, crushing... 
    Suggested
    Work at office

    Alivia Group

    Saint Louis, MO
    6 hours ago
  • $103.18k - $132.77k

     ...sharing this new chapter with you. If you have any questions, feel free to ask during the interview process! Overview Mechanical Engineer PE I Responsibilities: The Mechanical Engineer PE I applies standard engineering techniques to design, analyze, test,... 
    Suggested
    Full time
    Work at office

    ENFRA LLC

    Saint Louis, MO
    2 days ago
  • $100k - $150k

    System One is seeking a Mechanical Engineer PE in St. Louis, MO, for a Direct Hire position. The role involves applying engineering techniques to design, analyze, and improve products. Candidates should have a Bachelor's degree and PE License, along with 4-8 years of experience... 
    Suggested

    System One

    Saint Louis, MO
    5 days ago
  • A leading construction firm in St. Louis is seeking a Senior Mechanical Engineer to provide HVAC design and quality assurance for diverse projects...  ...should have a Bachelor’s in Mechanical Engineering and a PE License, with at least 5 years of HVAC design experience. The... 
    Suggested

    Sky Mavis

    Saint Louis, MO
    3 days ago
  • $70k - $90k

     ...Job Description Job Description The ideal candidate will have experience with robotic MIG welding, manufacturing engineering, and process improvement in a production environment.   Responsibilities: · Design and procure welding fixtures and tooling · Develop... 
    Permanent employment
    Immediate start

    Dedicated Staffing

    Saint Louis, MO
    2 days ago
  • $80k - $150k

     ...Foth is a 100% member-owned science and engineering consulting firm headquartered in Wisconsin, with over 85 years of success. Our 7...  ...annually Required Qualifications: ~ Bachelor’s Degree in Mechanical Engineering, Chemical Engineering, or equivalent technical experience... 
    Flexible hours

    The Foth Companies

    Saint Louis, MO
    4 days ago
  •  ...tooling. Ability to troubleshoot and diagnose tooling issues. Experience in metal stamping and die maintenance. Strong mechanical aptitude, math skills, and problem-solving abilities. Willingness to work occasional overtime or weekends as needed. Benefits... 
    Full time
    Temporary work
    Apprenticeship
    Local area
    Monday to Friday
    Day shift

    Snelling Talent Partners

    Saint Louis, MO
    4 days ago
  • $95k - $115k

     ...position available for an Industrial HVAC Engineer in the Food & Beverage Group....  ...Requirements: Bachelor’s degree (or higher) in mechanical engineering from an accredited college or...  ...experienced staff Food plant experience PE Experience running load calculations Comfortable... 
    Full time
    For subcontractor
    H1b
    Visa sponsorship

    Mead & Hunt, Inc.

    Saint Louis, MO
    4 days ago
  • $70k - $90k

     ...Manufacturing Welding Engineer HiFyve is hiring a Manufacturing Welding Engineer in the manufacturing industry in St. Louis, MO! Salary: $70-90K/yr Shift: 1st Shift M-F 630a-3p or 7a-330p Location: St. Louis, MO Job Duties and Responsibilities Provide... 
    Shift work
    Day shift

    HiFyve

    Saint Louis, MO
    2 days ago
  • $34 - $43 per hour

     ...Job Description Job Description Description The Welding Engineer is a hands-on role responsible for supporting production within the welding department. This includes weld fixture design, development and documentation of welding processes, programming, and equipment... 
    Contract work
    Temporary work

    Actalent

    Saint Louis, MO
    5 days ago
  •  ...Senior Mechanical Engineer The Senior Mechanical Engineer will lead the mechanical design of projects, provide technical expertise, and ensure...  ...focused on data center projects. ~ Professional Engineer (PE) License preferred, with the ability to attain licenses in... 
    For contractors
    Local area
    Flexible hours

    CRG

    Saint Louis, MO
    2 days ago
  •  ...Mechanical Engineer/Senior - Design Emerson Tool Company, located in St. Louis, MO, is seeking a Mechanical Engineer/Senior - Design to join our collaborative international team focused on product design and development. In this role, you will contribute to all stages... 
    Full time
    Temporary work
    Flexible hours

    Emerson Electric

    Saint Louis, MO
    1 day ago
  •  ...Mechanical Engineer Elessent Clean Technologies is a global leader in process technologies to drive sustainability and carbon neutrality in...  ...Engineering degree with 0-5 years of experience. ~ EIT or PE preferred ~ Ansys CFD and FEA experience preferred ~ Strong... 

    Elessent Clean Technologies

    Saint Louis, MO
    6 hours ago
  •  ...Job Title: Mechanical Engineer- Cheyenne, WY Work Location: F.E. Warren AFB (Cheyenne, WY) Salary: Based on experience and will be discussed with manager in interview REQUIREMENT- Must be a US Citizen and must pass a federal background review and drug... 
    Contract work
    For contractors

    Accura Engineering & Consulting Services, Inc.

    Saint Louis, MO
    19 hours ago
  •  ...development, master planning, architecture, engineering, and construction firm that safely...  ...The Role We Want You For The Senior Mechanical Engineer will lead the mechanical design...  ...center projects. ~ Professional Engineer (PE) License preferred, with the ability to... 
    For contractors
    Casual work
    Local area
    Flexible hours

    CLAYCO, INC.

    Saint Louis, MO
    3 days ago
  •  ...Summary The sky is no longer the limit as Nidec takes its technology off the ground and into the Aerospace market. As a Mechanical Engineering Intern with the Nidec Aerospace team, you will have the opportunity to apply and develop your expertise to design electric... 
    Internship
    Work at office
    Shift work

    Nidec

    Saint Louis, MO
    2 days ago
  •  ...development, master planning, architecture, engineering, and construction firm that safely...  ...construction. The Role We Want You For The Mechanical Engineer will support the design of...  ...experience preferred. ~ EIT required; PE License preferred or actively pursuing.... 
    For contractors
    Casual work
    Local area
    Flexible hours

    CLAYCO, INC.

    Saint Louis, MO
    4 days ago
  • $125k - $180k

     ...Senior Mechanical Engineer BR+A Consulting Engineers maintains a total staff of over 500 employees located at our main office in Boston and...  ...Qualifications: ~ Bachelor's degree in Mechanical Engineering ~ PE License ~10-20 years of relevant experience BR+A is... 
    Full time
    For contractors
    Work at office

    BR+A Consulting Engineers

    Saint Louis, MO
    6 hours ago
  •  ...Job Summary The Mechanical Engineer II is responsible for the design, development, documentation, test, and evaluation activities for components, sub-assemblies, and finished goods products that meet the cost, performance and timeliness requirements defined within... 
    Work experience placement
    Work at office

    ECCO Corporation

    Saint Louis, MO
    2 days ago
  •  ...Mechanical Design Engineer Lead the mechanical design and engineering of HVAC, plumbing, fire protection, and other building systems for mission...  ...critical projects (data centers, high-tech manufacturing, etc.), PE License is required to seal engineering documents, with the... 
    Local area

    CRG

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

     ...a focus on client success and partnerships that are important to our communities and our environment. A Day in Life of a Mechanical Engineer at Hanson Here's a snapshot of what you would do in this role: Design, analyze, and optimize HVAC systems for government... 
    For contractors
    Internship
    Work at office

    Hanson Professional Services, Inc.

    Saint Louis, MO
    1 day ago
  •  ...Entry-Level Mechanical Engineer The Entry-Level Mechanical Engineer will support the mechanical design of mission-critical facilities, including data centers, advanced manufacturing plants, and other high-availability environments. This is an excellent opportunity for... 
    For contractors
    Internship
    Flexible hours

    CRG

    Saint Louis, MO
    6 hours ago
  •  ...Senior Mechanical Design Engineer - St. Louis, MO Apply now » Date: Jun 7, 2026 Location: St. Louis, MO, US, 63146 Leeds, AL, US, 35094 Company: Hubbell Incorporated Job Overview The Sr. Mechanical Design Engineer reports to the VP of Technology for Transmission... 
    Flexible hours

    Hubbell Power Systems

    Saint Louis, MO
    1 day ago
  • $68k - $160k

     ...Mechanical Engineer - Facilities Mfg & Engineering Mechanical Engineer / Senior Mechanical Engineer Location: Kansas City, Columbia, or St...  ...ll need: Bachelor's degree in Mechanical Engineering PE license or actively pursuing licensure Minimum 3 years of... 
    Work at office
    Local area
    Relocation

    ExecuSource

    Saint Louis, MO
    6 hours ago
  •  ...Position: Mechanical Project Engineer - Healthcare Location: St. Louis, MO Job Id: 3508 of Openings: 1 Farnsworth Group is seeking a Mechanical...  ...Bachelor’s degree in Mechanical Engineering; EIT required, PE or ability to obtain preferred. Typically, 8-12+ years... 
    Temporary work
    Work at office
    Immediate start
    Flexible hours

    Farnsworth Group

    Saint Louis, MO
    1 day ago
  •  ...CRB is a leading provider of sustainable engineering, architecture, construction and...  ...execution. Job Description As a Mechanical Engineer III, you'll play a key role in...  ...environment preferred) ~ Professional Engineer (PE) license ~ Experience designing HVAC... 
    For contractors

    CRB

    Saint Louis, MO
    1 day ago
  • $90k - $120k

     ...Mechanical Engineer Civil Engineering Location: St. Louis, MO Pay: $90K-$120K Schedule: Monday through Friday Our client is a nationally recognized, locally-owned engineering consulting firm. They are looking for you, a Mechanical Engineer who will provide project... 
    Monday to Friday
    Flexible hours

    ExecuSource

    Saint Louis, MO
    4 days ago
  •  ...time Description • Perform necessary engineering functions required for the project to...  ...and engineers. • Collaborate with the mechanical Drafter/Designer on the production of construction...  ...an accredited university required • PE Preferred • 7+ years of relevant... 
    Full time
    Temporary work
    Summer work
    Casual work
    Local area
    Remote work
    Flexible hours
    1 day per week

    McClure Company

    Saint Louis, MO
    6 hours ago
  • $91.48k

     ...unmatched experience for both our clients and our team. As a global engineering and construction firm, we partner with clients worldwide to...  ...tomorrow's demands. We're looking for a skilled Mechanical Engineer with expertise in HVAC and plumbing systems. This role... 
    Full time
    H1b
    Work at office
    Local area
    Remote work
    Work from home
    Worldwide

    CDM Smith

    Saint Louis, MO
    3 days ago

Do you want to receive more vacancies?

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