Senior Process Engineer

Posted Yesterday
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Jacksonville, FL, USA
In-Office
Senior level
Energy • Utilities
The Role
Leads conceptual and detailed process design for energy infrastructure systems, including turbine inlet air chilling, thermal energy storage, district cooling, and CHP. Performs thermal and hydraulic analyses, equipment selection, process documentation, design reviews, vendor coordination, and client support. Provides technical assistance during fabrication, production, commissioning, and troubleshooting while developing engineering tools and mentoring junior engineers. Requires strong expertise in thermodynamics, heat transfer, fluid flow, industrial codes, and mechanical equipment design.
Summary Generated by Built In
Senior Process Engineer

Position Type: Full-time, Exempt, Salary

Reports to: Process Engineering Manager 

Supervisory Responsibility: None

Location: Jacksonville, FL (Corporate Headquarters)


 

Company Summary

Stellar Energy Global Infrastructure provides state-of-the-art solutions customers build in for optimized energy performance now; and in the preparation for the energy needs of tomorrow. In business for 25 years, we have delivered added energy efficiency and capacity to customers in more than fifteen countries. More dispatchable power. Increased LNG production. Greater Data Center efficiency and lower costs. Hyperscale deployment at the best possible speed to first megawatt. All delivered with the lower emissions required to support our partners’ unique sustainability objectives.


Stellar Energy Global Infrastructure specializes in a wide range of engineering and manufacturing solutions within the energy sector including turbine inlet air chilling, central utility plants, district cooling, combined heat & power systems, thermal energy storage, inlet air heating, data center chilling, and inlet air chilling for LNG facilities. Additionally, our expertise extends to start-up & commissioning, system health analysis, services, and training. Our in-house team of skilled engineers and dedicated tradespeople are the reason we are the global leader in customized solutions. Stellar Energy Global Infrastructure strives to add value to today’s energy infrastructure, achieving secure, affordable, and sustainable energy that will help to create a responsible energy economy.

 

Summary 

The Senior Process Engineer is a member of the Process Engineering team and reports to the Process Engineering Manager. This role leads process design primarily for Stellar Energy Global Infrastructure's modular Turbine Inlet Air Chilling (TIAC) and Thermal Energy Storage (TES) from concept through full production but may also lead Combined Heat & Power (CHP) and District Cooling. The Senior Process Engineer owns process calculations, equipment selections, and design deliverables that meet process, code, and client requirements; leads design reviews; coordinates with other disciplines, clients, and fabrication; provides technical support for products in production; and mentors less experienced engineers.

 

Essential Functions

  • Lead conceptual and detailed process design for District Energy, Turbine Inlet Air Chilling, Thermal Energy Storage, and process chilling plants.
  • Optimize plant concepts to balance performance, cost, schedule, and client requirements.
  • Perform process calculations, thermal and hydraulic analyses, and performance modeling to support design decisions and performance predictions.
  • Select and specify major equipment, including chillers, pumps, cooling towers, heat exchangers, and coils.
  • Prepare and maintain process flow diagrams (PFDs), P&IDs, heat and material balances, equipment datasheets, specifications, and schedules to support procurement, fabrication, installation, and construction.
  • Lead internal design reviews and participate in client design reviews.
  • Coordinate with mechanical, structural, electrical, and controls disciplines, as well as clients and suppliers, to resolve design issues.
  • Organize and lead vendor technical clarification meetings and review vendor submittals.
  • Support sales and marketing on bids and proposals with schematics, equipment selections, performance estimates, and specification reviews.
  • Provide technical support to project teams, including scope definition, subcontract evaluation, and design schematics.
  • Provide technical support for products in production and in the field, including troubleshooting and support for start-up and commissioning.
  • Develop and maintain engineering analysis tools, design standards, and calculation templates.
  • Build and maintain technical relationships with key equipment suppliers.
  • Evaluate and help develop new technologies, methods, and processes.
  • Mentor and provide technical guidance to junior engineers and designers.
  • Perform all work in accordance with company procedures, specifications, standards, and project-specific requirements.


Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

 

Competencies

  • Strong technical command of thermodynamics, heat transfer, and fluid flow.
  • Analytical problem solving and sound engineering judgment.
  • Clear written and verbal communication, including with clients and suppliers.
  • Ability to manage multiple projects and priorities and meet deadlines.
  • Collaboration, interpersonal, and customer service skills.
  • Mentoring and technical leadership.


Work Environment
Most work is performed in an office environment. Trips to customer sites or supplier facilities for observation and support may be necessary which may require the use of personal protective equipment such as safety glasses, steel-toed boots, and head protection.


Physical Demands
While performing the duties of this job, the employee is regularly required to sit. The employee frequently is required to walk; use hands to finger, handle or feel; reach with hands and arms; and talk or hear. The employee is occasionally required to stand. The employee must frequently lift or move objects up to 10 pounds and occasionally lift or move objects up to 25 pounds. Specific vision abilities required by this job include close vision, distance vision, color vision and ability to adjust focus.

 

Position Type/Expected Hours of Work
This is a full-time position. Days and hours of work are Monday through Friday, 8:00 a.m. to 5:00 p.m.

 

Travel
Anticipated up to 10% travel for this position. Some occasional local day travel may also be necessary. Occasional travel to customer job sites and conferences may be required.

 

Required Education and Experience

  • Bachelor of Science degree in mechanical or chemical engineering from an ABET-accredited university.
  • Minimum of seven years of experience in process or mechanical design of industrial, power generation, central plant, chiller plants, or other energy facilities.
  • Demonstrated experience selecting and specifying mechanical equipment such as chillers, pumps, cooling towers, and heat exchangers.
  • Working knowledge of applicable local and international codes, standards, and regulations (e.g., ASME, ASHRAE, API).
  • Experience preparing engineering deliverables, including PFDs, P&IDs, datasheets, and specifications.

 

Preferred Education and Experience

  • Master's degree in mechanical or chemical engineering from an accredited university.
  • Professional Engineer (PE) license.
  • Experience with turbine inlet air chilling, district energy, thermal energy storage, or data center cooling.
  • Experience supporting the design and fabrication of modular or skid-mounted systems.
  • Proficiency with pipe flow and heat transfer analysis software.

 

Work Authorization
Must be authorized to work in the USA.


Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice. 

 

Stellar Energy Global Infrastructure is an Equal Opportunity Employer. We are committed to creating a diverse and inclusive workplace and provide equal employment opportunities to all qualified applicants without regard to race, color, religion, sex, national origin, age, disability, genetic information, veteran status, or any other protected characteristic under applicable law.

Skills Required

  • Bachelor of Science degree in mechanical or chemical engineering from an ABET-accredited university
  • Minimum of seven years of experience in process or mechanical design of industrial, power generation, central plant, chiller plant, or other energy facilities
  • Experience selecting and specifying mechanical equipment such as chillers, pumps, cooling towers, and heat exchangers
  • Working knowledge of applicable local and international codes, standards, and regulations, including ASME, ASHRAE, and API
  • Experience preparing engineering deliverables, including PFDs, P&IDs, datasheets, and specifications
  • Master's degree in mechanical or chemical engineering from an accredited university
  • Professional Engineer license
  • Experience with turbine inlet air chilling, district energy, thermal energy storage, or data center cooling
  • Experience supporting the design and fabrication of modular or skid-mounted systems
  • Proficiency with pipe flow and heat transfer analysis software
  • Authorization to work in the United States
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The Company
61 Employees
Year Founded: 2026

What We Do

Stellar Energy Global Infrastructure develops bespoke engineering solutions to help utilities, power producers, LNG operators, and governments improve critical energy infrastructure. Its projects add capacity, efficiency, reliability, and sustainability through power-generation and LNG solutions, hydrogen applications, and systems such as thermal energy storage and district cooling. The company also provides finance, turnkey delivery, and long-term service, applying a 25-year operating history to deliver more dispatchable power.

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