Demo

Mechanical Engineer III

360X Staffing
Chicago, IL Full Time
POSTED ON 6/20/2026
AVAILABLE BEFORE 9/6/2026

Position Summary

  • Lead the design and execution of In-Line Inspection (ILI) and pipeline integrity projects.
  • Provide engineering leadership for pigging upgrades, launcher/receiver installations, pipeline modifications, and hydrostatic testing programs.
  • Manage projects from initial scope development through design, construction, commissioning, and as-built documentation.
  • Serve as a primary client contact, ensuring successful project delivery and long-term client relationships.


Key Responsibilities

  • Design ILI launcher and receiver stations, including barrels and associated piping systems.
  • Develop pipeline replacement and modification solutions to improve piggability.
  • Design hydrostatic testing programs to establish or validate MAOP for natural gas infrastructure.
  • Perform engineering calculations, equipment sizing, and materials selection.
  • Prepare and review:Process Flow Diagrams (PFDs) Piping & Instrumentation Diagrams (P&IDs) Piping and isometric drawings General arrangement drawings Bills of Material (BOMs)
  • Develop weld procedures for launcher and receiver installation projects.
  • Coordinate with civil, electrical, and fabrication teams on:Site improvement plans Grounding plans Fabrication assemblies Installation clearances
  • Support permitting, licensing, and land rights activities.
  • Assist with proposal development and RFP responses.
  • Mentor and coach junior engineers and project team members.
  • Manage project schedules, budgets, deliverables, and client communications.
  • Ensure compliance with applicable industry codes, standards, and regulatory requirements, including Mega Rule initiatives.


Required Qualifications

  • Bachelor's degree in Engineering from an ABET-accredited university.
  • 7 years of gas pipeline design experience.
  • 4 years of ILI launcher and receiver design experience.
  • Experience managing engineering projects from concept through construction.
  • Strong knowledge of pipeline industry standards and regulations, including: ASME B31.3, B31.4, and B31.8 API standards 49 CFR 192, 193, and 195 NFPA and CSA codes
  • Proven project management and client-facing experience.
  • Excellent communication, organization, and problem-solving skills.
  • Legal authorization to work in the United States.
  • Valid driver's license with an acceptable driving record.


Preferred Qualifications

  • Professional Engineer (PE) license or ability to obtain within one year.
  • Experience in a consulting engineering environment.
  • Basic proficiency with CAD software.


Core Competencies

  • Strong client relationship and stakeholder management skills.
  • Ability to work independently and proactively solve problems.
  • Effective time management and prioritization abilities.
  • Flexibility to manage multiple projects and changing priorities.
  • Ability to communicate effectively with both technical and non-technical audiences.

Salary : $110,000 - $145,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Mechanical Engineer III?

Sign up to receive alerts about other jobs on the Mechanical Engineer III career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$108,186 - $133,193
Income Estimation: 
$134,236 - $174,128
Income Estimation: 
$132,162 - $161,329
Income Estimation: 
$108,186 - $133,193
Income Estimation: 
$134,236 - $174,128
Income Estimation: 
$132,162 - $161,329
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at 360X Staffing

  • 360X Staffing Alexandria, LA
  • Civil/Structural Engineering for high voltage structures in substation and switchyards. SPECIFIC DUTIES/RESPONSIBILITIES · Design of substation structures,... more
  • 1 Day Ago

  • 360X Staffing Fayetteville, GA
  • SUMMARY This is an opportunity to join a growing, dynamic, and responsible company that fosters the development of our employees. We are seeking a Construc... more
  • 1 Day Ago

  • 360X Staffing Fayetteville, GA
  • SUMMARY This role is responsible for managing project entry and administrative support for projects company-wide. This role also serves as an auditor, ensu... more
  • 1 Day Ago

  • 360X Staffing Alexandria, LA
  • We are seeking an experienced Engineering Operations Manager to lead civil and structural design efforts for high-voltage substations and switchyards. This... more
  • 2 Days Ago


Not the job you're looking for? Here are some other Mechanical Engineer III jobs in the Chicago, IL area that may be a better fit.

  • S&C Electric Company Palatine, IL
  • Job Description As an S&C Electric team member, you’ll work on projects that have real-world impact. You’ll help transform the grid for resilient and relia... more
  • 17 Days Ago

  • Chicago Transit Authority Skokie, IL
  • Mechanical Engineer III - Vehicle Maintenance - (26000059) Description SALARY $40.48 - $57.84 Position Summary Performs mechanical engineering projects inv... more
  • 2 Days Ago

AI Assistant is available now!

Feel free to start your new journey!