Senior HRSG Construction and Commissioning Engineer

IS International Services

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Lake Mary, Florida, US on site Until 9/29/2026 12+ years exp First posted July 31, 2026 Last posted July 31, 2026
Job description

Role Overview

The Construction and Commissioning Senior Mechanical Engineer (HRSG / SCR / Stack Systems) is a senior-level role responsible for providing technical support to construction and commissioning activities across power generation projects, with a focus on Heat Recovery Steam Generators (HRSGs), Selective Catalytic Reduction (SCR) systems, bypass stacks, and exhaust stack systems.

The primary focus of the role is to support site execution through timely resolution of technical issues, including project Action Requests (PARs), field installation and commissioning challenges, RFIs / TQs, procedures development and improvement

Key Responsibilities

  • They should be able to evaluate and apply methods and techniques, implement standard engineering criteria, and use independent judgment with minimal supervision.
  • The ideal candidate should have a strong understanding of HRSG construction and related systems, including pressure parts (headers, drums, coils), ducting, exhaust stacks, bypass stack systems, and SCR systems. Knowledge of main power plant auxiliary components, including lubrication systems, fuel gas systems, air cooling systems, and other auxiliary equipment is also required.
  • Provide timely resolution of PARs, RFIs/TQs, and field issues supporting construction and commissioning activities. Interface with site teams, engineering, quality, and suppliers to resolve technical issues efficiently. Review field conditions and provide engineering guidance to support safe and compliant execution.
  • Support root cause analysis (RCA) and ensure solutions align with design, procedures, and contract requirements.
  • Develop and review mechanical erection and commissioning procedures. Interpret engineering documents (P&IDs, drawings, specifications). Incorporate lessons learned from site execution into procedure updates
  • Coordinate with cross-functional teams to support construction, commissioning, and startup activities.
  • Participate in project meetings and provide mechanical technical input. Ensure alignment between engineering deliverables and site execution
  • Ensure compliance with safety standards, company procedures, and contractual requirements. Promote safe work practices across all activities

Requirements

  • A bachelor's degree (BS) in Mechanical Engineering.
  • 12 or more years of direct experience in power generation, construction, industrial operation, or a combination of education, training, and experience.
  • Experience with basic software packages such as Project Schedule P6 or similar would also be an asset.
  • Knowledge of ISO procedures and OSHA safety requirements would also be an asset. 
  • The ability to interpret technical instructions in mathematical or diagram form, analyze problems of either machine-related or computer-generated data, and have the ability to communicate clearly.
  • At least 50% international and domestic travel by land/air will be required for this role.

Benefits

  • Excellent Benefits (Medical, Dental, Vision & 401K Matching).
  • Excellent growth and advancement opportunities.
  • Tuition reimbursement and on-the-job training.
  • Paid vacation, sick time and holidays.
  • Committed to quality products and services.
  • Great working environment and culture.
  • Employee Appreciation Programs and Events.
About this role

Summary

Provide technical support for construction and commissioning of power plant systems, focusing on HRSGs and related equipment.

Job title

Senior HRSG Construction and Commissioning Engineer

Experience level

12+ years

Minimum experience

12+ years exp

Industry

power generation

Location requirements

On-site in Lake Mary, Florida, with 50% travel; remote not specified.

Salary

Not specified

Management role

No

Skills & keywords

Required skills

Mechanical Engineeringpower generationconstructioncommissioningISO proceduresOSHA safety

Preferred skills

Project Schedule P6international travel

Specializations

HRSGpower plant systemsconstructioncommissioningmechanical
Locations

Structured locations inferred from the posting.

Lake Mary, FL 32746, USA

On-site City