Invenergy

Project Engineer, Thermal Engineering

Join Invenergy in Chicago as a Project Engineer, Thermal Engineering. Support geothermal and thermal power projects across North America, managing design, permits, and construction. Benefit from competitive salary, bonuses, and comprehensive health coverage.
Invenergy
Invenergy
Chicago, United States On-site Full time USD 100k–120k yearly UTC-05:00

Invenergy

Company Overview

Name

Invenergy LLC

Headquarters

Chicago, IL, United States

Founded

2001

Size

Approximately 1,200 employees globally (source: salestools.io).

What They Do

Invenergy's core technology focus spans wind, solar, natural gas, combined heat and power generation, and energy storage, with services extending to operations and maintenance via its Invenergy Services division founded in 2005 (source: infrapppworld.com). The company develops, owns, operates, and provides third-party management for power generation and storage facilities, delivering solutions at scale including grid-integrated renewables (source: infrapppworld.com). Target markets include North America and Europe, serving utilities, commercial customers, and governments through large-scale projects that supply clean power to grids; customer segments encompass energy buyers seeking long-term power purchase agreements and owners needing asset management (source: infrapppworld.com). Competitively, Invenergy differentiates as North America's top private renewable developer through its end-to-end expertise from development to operations, led by Polsky's engineering background, enabling profitable scaling beyond early setbacks like the Tennessee wind farm (source: bcigem.com).

Projects & Track Record

Invenergy has a global portfolio of power generation and storage facilities, with notable completed projects including early wind developments that have led to some of the most successful U.S. wind and solar sites (source: bcigem.com). Ongoing major projects feature the Cardal Transmission Project in Salto, Uruguay, where subsidiary Tealov S.R.L. secured US$67 million in construction financing from IDB Invest and executed an operating lease with Uruguay's National Administration of Power Plants and Electrical Transmissions (source: infrapppworld.com). Key clients and partnerships include IDB Invest for Uruguay financing, Puerto Rico Public-Private Partnerships Authority (shortlisted consortia involvement), and third-party asset owners via Invenergy Services (source: infrapppworld.com). Geographic presence spans development and operations in the United States, Canada, Mexico, Uruguay, Scotland, Poland, Israel, and Japan, with expansion via regional offices supporting new markets (source: bcigem.com).

Recent Developments

In the last two years, Invenergy Services surpassed a major milestone in its managed portfolio, though specifics on capacity or value are not quantified in announcements, highlighting its growth in third-party power asset management globally (source: invenergy.com). Subsidiaries Tealov S.R.L. and Invenergy Transmission completed construction financing and operating leases for the US$67 million Cardal Transmission Project in Uruguay with IDB Invest (source: infrapppworld.com). The company participated in Puerto Rico PPP shortlisting for three projects among 13 consortia, indicating active bidding (source: infrapppworld.com). No major acquisitions, mergers, or funding rounds were reported in this period, but ongoing project financings like Cardal signal expansion; no specific awards or certifications from 2024-2025 are detailed (source: infrapppworld.com).

Working There

Invenergy offers roles across engineering (software development, infrastructure, power plant tech), product management and design, sales and marketing (business development, customer success), operations (finance, HR, administrative), and executive leadership, primarily at its Chicago headquarters housing these departments (source: salestools.io). Hiring occurs at the Chicago HQ (1 S Wacker Dr) and regional offices like Denver, New York, Toronto, Mexico City, Warsaw, and Tokyo, supporting global project needs in development, operations, and maintenance (source: salestools.io). Company culture emphasizes innovation, collaboration, continuous learning, and employee well-being, reflected in Chicago facilities with open-plan offices, flexible seating, quiet zones, conference rooms, high-speed tech infrastructure, fitness centers, wellness rooms, cafeterias, lounges, and social spaces designed for dynamic teamwork (source: salestools.io). Comprehensive benefits are provided to support professional growth and attract talent, though exact packages like health coverage or PTO are not itemized publicly; the environment prioritizes a supportive hub for top professionals in a thriving Chicago ecosystem (source: salestools.io).


Last updated on Feb 23, 2026 | Report an issue

Job Description

The Project Engineer, Thermal, reporting to the Senior Director of Thermal Engineering, will support Invenergy's efforts to develop, permit, engineer, construct and commission new geothermal and thermal (simple and combined cycle combustion turbine and reciprocating engine) power generation projects throughout North America. This role will encompass the full project life cycle of project development from siting and origination through commercial operation of the project and will assist managing third party engineering consultants and contractors; preparing permit applications; specifying project configurations; specifying project performance, creating project specifications; preparing bids; evaluating bids; managing major equipment manufacturers supplying combustion turbines, steam turbines, heat recovery steam generators, injection pumps, Organic Rankine Cycle systems,; reviewing detailed engineering; construction monitoring and commissioning efforts. A strong background in thermodynamics, heat transfer, and combustion turbine performance is desired.

Responsibilities

  • Perform and review basic and detail design for power generation projects.
  • Advise on the feasibility of projects based on available geothermal technologies and project constraints.
  • Lead technical efforts during the development phase and collaborate with other engineering and geophysicists during the reservoir modelling and detailed design process.
  • Perform and review thermal heat balances for thermal power generation projects.
  • Support technical efforts for project development work such as site selection, general arrangement development, site surveying, environmental studies, permit applications, geotechnical investigations and others.
  • Interface with equipment vendors to explain technical requirements and receive technical proposals.
  • Support and lead technical efforts with OEMs.
  • Review technical deliverables like P&ID, heat and mass balances, project design documents, equipment specifications and drawings, layouts, and electrical one-line drawings.
  • Provide engineering oversight during project design and construction.
  • Interface with contractors for resolution of technical issues.
  • Assist oversight of power plant commissioning activities.
  • Coordinate with internal teams to align project development and execution with financial and commercial objectives, including coordination of internal administrative workload with the Project Management team for the technical interface of the project, i.e., purchase orders, service orders, MSAs and ESA agreements for consultants.
  • Establish relationships with various technical experts among stakeholders, utilities, RTO/ISOs.
  • Understand project interfaces across multiple contractors and work packages and monitor performance, ensuring adherence to project requirements, budget and schedule.

Minimum Qualifications

  • BS in mechanical, electrical, civil, petroleum, chemical or related engineering discipline.
  • 2+ years' experience in project engineering management of large capital projects with a focus on geothermal power generation, thermal power generation or transferable energy sector work.
  • Familiarity with regulatory, siting, and environmental permitting processes for large-scale industrial projects.
  • Knowledge and experience with project design and configuration.
  • Experience with geothermal production facilities with focus on translating subsurface energy into usable power, emphasizing facility design, heat exchange, gathering systems, reinjection systems and fluid mechanics will have an advantage.
  • Spreadsheet modeling using Microsoft Excel.
  • Eligible to work in the United States without the need for employer visa sponsorship now or in the future.
  • Must have a valid US driving license.
  • Ability to travel up to 25%.

Preferred Qualifications

  • Master's degree in engineering or Professional Engineering License
  • Experience with ORCs, steam turbines for geothermal applications, production and injection pumps, and other heavy duty industrial rotatory equipment.
  • Experience in the power generation industry, specifically thermal energy, with a focus on utility-scale project development.
  • Oil & Gas project or reservoir engineering experience relevant to geothermal or conventional thermal projects.
  • Proficiency in spreadsheet modeling using Microsoft Excel.
  • Excellent verbal and written communications skills

Base Pay

$100,000.00 - $120,000.00 USD Annual
Bonus: 20% - 30%

The base pay range reflects the minimum and maximum target salary for the position. Invenergy considers a number of factors when determining base pay offers such as the scope and responsibilities of the position and the candidate's experience, education and skills.

In addition to base pay, the total annual compensation package may also include eligibility to participate in our bonus program(s) which are designed to reward individual and company performance. Your recruiter can share more about bonus eligibility for this position during the hiring process.

Invenergy offers a variety of other benefits including medical, dental and vision insurance, 401k, paid time off, etc.

Invenergy LLC is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to, among other things, race, color, religion, sex, sexual orientation, gender identity, national origin, age, status as a protected veteran, or disability.

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About the role

July 29, 2026

July 29, 2026

Full time

On-site

Company

USD 100k–120k yearly

Geothermal Energy

Invenergy

invenergy.com

  •  Chicago, United States

2+ years in project engineering management

UTC-05:00