*This is a Hybrid role with Monday - Thursday onsite and Friday work from home in Jacksonville, FL.
Stellar Energy is a trusted provider of turnkey liquid-to-chip cooling solutions for the world’s leading data center and industrial manufacturing customers. As computing demand and industrial processes continue to grow, modern facilities require cooling infrastructure that can scale quickly, efficiently, and reliably.
Our modular approach enables high-volume production while maintaining the flexibility to customize each solution. From Central Utility Plants to Coolant Distribution Units, Stellar Energy delivers scalable cooling infrastructure designed to support the rapid expansion of data centers and mission-critical industrial operations.
Backed by deep engineering expertise and large-scale manufacturing capability, Stellar Energy helps customers deploy critical infrastructure faster and with confidence.
The ideal candidate is a Senior Mechanical Engineer with a strong background in commercial HVAC consulting and chilled water plant design, including hands-on experience selecting chillers, pumps, heat exchangers, and other HVAC equipment for large-scale facilities. They should have demonstrated success developing mechanical designs, performing system calculations, creating P&IDs and specifications, and coordinating with clients, vendors, and multidisciplinary engineering teams from concept through commissioning. Experience with data centers, central utility plants, mission-critical cooling systems, or large commercial/industrial HVAC projects is highly preferred, along with the ability to provide technical leadership and mentor junior engineers.
Summary Objective
As a member of the technical staff, the Senior Mechanical Engineer is responsible for the design of modular TIAC (Turbine Inlet Air Cooling) Plant, CHP, Mission Critical and District Cooling Plant up to full production. This includes specification reviews, mechanical calculation and selection to meet process, code, and client requirements; conduct design reviews; coordinate with other disciplines, client and fabrication for production; The Mechanical Engineer will also be responsible for technical support of all products currently in production.
Essential Functions
- Undertake engineering and design work independently.
- Maintain individual accountability for the quality and accuracy of all such engineering and design work
- Accomplish tasks within the company procedures, specifications, standards and any project specific addenda.
- Write manufacturing and test procedures and reports.
- Participate in project teams and all activities related to the development of the modular plant.
- Provide technical support to sales and marketing for bids and proposals, such as schematics, equipment selection and specification review.
- Prepare and review mechanical specifications and necessary control documents based on project execution plan prior to commencement of any engineering or design activities.
- Prepare design deliverables including basis of design, engineering lists, P&IDs, data sheets, technical specifications, calculations, numerical model and other study reports in support of procurement, fabrication, installation and construction.
- Support and provide technical leadership in vendor technical clarification meetings and technical evaluation of bids.
- Undertake the Stellar Energy factory supervision work or site supervision when required.
- Provide technical assistance to the project team as required (e.g. subcontract evaluation, scope definition, design schematics etc.).
- Maintain good interface with other disciplines.
Required Education and Experience.
- Bachelor of Science degree in mechanical or chemical engineering from an ABET accredited university.
- Minimum of five years of working experience in power plant or HVAC design or similar projects.
- Competent in selecting and establishing technical requirements for general mechanical equipment including pumps, chillers, cooling towers, heat exchangers, etc.
- Competent in piping system design, including pipe material and class specifications, pipe stress analysis, valve selection, etc.
- Familiar with local and international codes, standards, and regulations, and their implementation.
- Familiar with design procedure and inter-discipline interface support.
- Familiar with engineering quality management.
- Familiarity with module design and fabrication practices.
- Competence in the preparation of engineering deliverables to appropriate levels of development for all project phases.
- Familiar with market and vendors for each type of mechanical equipment.
Preferred Education and Experience
- Master’s degree in mechanical engineering or chemical engineering from an accredited University.
- Professional Engineer Registration.
- 8 + years of experience leading the engineering and design of mechanical water-side and air-side heat transfer systems (power plant, industrial, or similar).
- Demonstrated success in the technical leadership of an engineering discipline.
- Knowledge of CAD software (AutoCAD preferred).
- Knowledge of AFT Fathom flow analysis software.
Benefits Summary
We offer a competitive benefits package designed to support your health, financial well-being, and work-life balance:
- Medical, dental, and vision insurance (multiple plan options; preventive care covered at 100% in-network)
- Health Savings Account (HSA) with company contributions
- 401(k) with company match (100% match up to 3% + 50% match up to 6%)
- Company-paid life insurance and AD&D coverage
- Short-term and long-term disability coverage options
- Supplemental benefits including accident, critical illness, and hospital coverage
- Wellness programs, including incentives up to $300 annually and a no-cost weight management program
- Virtual healthcare options, including $0 virtual visits in many cases
- Additional voluntary benefits including legal services and pet insurance
Competitive PTO plan for exempt and non-exempt employees