Principal Engineer Mechanical

Zachry Group•Downers Grove, IL
•$165,900 - $237,474

About The Position

This is an opportunity to work on EPC power projects as a Mechanical Lead. The role provides mechanical technical leadership and project coordination, including management of schedules, budgets, resource plans, and project-status reporting. The Principal Engineer Mechanical prepares and evaluates equipment procurement packages, reviews vendor documents, develops technical scopes of work, and supports field information gathering and proposal estimating. The position also provides discipline-specific expertise and training, coordinates and reviews the work of a small engineering and design staff, and, as a licensed Professional Engineer, seals and signs documentation produced by the employee and potentially work by engineers under direct supervision. The role involves coordination with clients, vendors, and internal teams, as well as work in office and field environments and willingness to travel. The expected annual salary range for this Illinois position is $165,900.00 to $237,473.60; actual pay may vary based on experience, geographic location, and other job-related factors. Eligible benefits include Zachry’s Total Employee Rewards Program and 401(k) Retirement Savings Plan.

Requirements

  • Bachelor’s degree in mechanical engineering or a related engineering field.
  • Professional Engineer license.
  • 15 or more years of experience working in the power, refining, or chemical industries.
  • Strong background in heat exchangers, pumps, ASME pressure vessels, and ASME piping codes.
  • Experience specifying power plant equipment, including CTGs, STGs, and HRSGs.
  • Knowledge of the EPC project execution model.
  • Strong communication and interpersonal skills for coordinating with internal team members, vendors, and clients.
  • Willingness to learn and work on a variety of tasks across multiple industries.
  • Willingness to travel and work in office and field environments.
  • Strong desire for continuous improvement and career growth.

Nice To Haves

  • Experience as a Mechanical Lead on an EPC power plant design project.

Responsibilities

  • Serve as Mechanical Lead on an EPC power project.
  • Provide leadership for mechanical technical design and project coordination.
  • Manage project schedules and budgets, and provide weekly reports on project status, issues, and needs.
  • Prepare and maintain resource plans.
  • Prepare equipment inquiry and request-for-quotation packages.
  • Perform equipment technical bid evaluations and prepare recommendations.
  • Review equipment vendor documents for compliance with project specifications and industry standards.
  • Develop job notes and technical scopes of work.
  • Perform field walkdowns to collect information required to complete work.
  • Prepare man-hour estimates for proposals.
  • Attend client, vendor, and internal team meetings.
  • Present technical information to peers or other personnel for review, to implement operating procedures, and to resolve system malfunctions.
  • Independently evaluate, select, and apply standard engineering techniques, procedures, and criteria, using judgment to make minor adaptations and modifications.
  • Provide discipline-specific technical expertise, including preparing and delivering training for company personnel and customers.
  • Lead, coordinate, and review the work of a small staff of engineers and designers.
  • As a licensed Professional Engineer, seal and sign documentation produced through the employee’s own work and potentially work by engineers under direct supervision.

Benefits

  • Medical, dental, and vision coverage.
  • Life insurance and disability coverage.
  • Other ancillary benefits through Zachry’s Total Employee Rewards Program.
  • 401(k) Retirement Savings Plan.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service