Demo

Sr. Mechanical Engineer, P.E.

NorthStar Energy Services
Baton Rouge, LA Full Time
POSTED ON 4/22/2026
AVAILABLE BEFORE 5/29/2026
About Us

NorthStar Energy Services, a Quanta Services, Inc. (NYSE:PWR) company, is based in Channelview, TX and provides engineering, design, procurement, construction and support services to the chemical, petrochemical, pipeline, oil & gas, bulk storage and terminal industries throughout the country. We offer individual project services as well as turnkey EPC project implementation.

NorthStar possesses the skills and expertise to self-perform the design and installation of civil, structural, mechanical, piping, electrical, and instrumentation systems throughout a broad array of industrial applications.

Joining our team means being part of an organization that values drive and inclusion. We focus on career development and reward excellence, recognizing each team member's unique contributions. We're at the forefront of powering modern life. Discover how your skills and dedication can make a real difference to us.

About This Role

Sr. Mechanical Engineer, P.E.

(10 Years Experience)

NorthStar Energy Services, a Quanta Services company, is seeking an experienced Sr. Mechanical Engineer, P.E. to join our Professional Engineering Consulting team in Baton Rouge, Louisiana. This role supports EPC and engineering design projects for oil & gas, petrochemical, and data center clients.

The Sr. Mechanical Engineer for this position will be responsible for the development of mechanical and piping design of energy, midstream, petrochemical facilities and data centers. The Sr. Mechanical Engineer will work closely with a multidisciplinary engineering team and independently to perform design development, equipment specifications, calculations, safety and code compliance as it pertains to the design of Energy Facilities.

What You'll Do

Engineering & Design

  • Develop mechanical and piping designs for pipeline facilities, compressor stations, pump stations, tank terminals, and data center facilities. Ensure all work meets ASME standards, including ASME BPVC Sec. VIII Div. 1 and American Petroleum Institute practices and standard such as API 610, 618 & 682.
  • Perform line sizing calculations, pipe support load analysis, and nozzle load stress evaluations in accordance with applicable codes and standards.
  • Lead piping layout development and review PPFDs and P&IDs to ensure mechanical designs align with process and operational requirements.
  • Specify rotating and fixed equipment including valves, pressure vessels, tanks, pumps, compressors, turbines, separators, and filtration systems.
  • Other responsibilities include specialty item specifications and review of pipe specifications.

Deliverable Management & Coordination

  • Coordinate mechanical deliverables with project team members across engineering disciplines.
  • Prepare hourly cost and resource estimates for project bids.
  • Interface as necessary with Company engineering and project management, drafting, procurement, as well as outside consultant engineering firms, inspection, and operations personnel.
  • Review and integrate company standards, regulatory requirements, and site-specific data (including geotechnical reports) into mechanical designs.
  • Perform QA/QC reviews of mechanical drawings, calculations, and technical documents.
  • Occasional travel to the job site to meet with clients and construction personnel as necessary to scope projects and collect information for design.
  • Routinely handle multiple projects simultaneously and effectively prioritize tasks.

What You'll Bring

Qualifications

  • 10 years’ experience working with process engineers on mechanical equipment, updating P&ID's, sizing pumps, compressors, heat exchangers and pressure vessels.
  • Bachelor of Science Degree in Mechanical Engineering
  • Licensure of Professional Engineering in Louisiana/Texas
  • Proven ability to interpret and apply applicable codes and standards including:
    • ASME BPVC Section VIII
    • ASME B31.3, B31.4, B31.8
    • API 610, 674/675/676, 682
    • API 520/521, API 620, API 650, API 12C
    • Title 49 CFR Parts 190–199
  • Experience working with process engineers on mechanical equipment
  • Experience with Caesar II pipe stress a plus.

Equal Opportunity Employer

All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, national origin or ancestry, sex (including gender, pregnancy, sexual orientation, and/or gender identity), age, disability, genetic information, veteran status, and/or any other basis protected by applicable federal, state or local law.

We are an Equal Opportunity Employer, including disability and protected veteran status.

We prohibit all types of discrimination and are committed to providing access and equal opportunity for individuals with disabilities. For additional information or if reasonable accommodation is needed to participate in the job application, interview, or hiring processes or to perform the essential functions of a position, please contact us the Company’s Human Resources department.

Salary.com Estimation for Sr. Mechanical Engineer, P.E. in Baton Rouge, LA
$140,363 to $164,103
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