Job Title: HVAC Principal Design Engineer

Location: Greenville, SC (Onsite)

Employment Type: Contract

Pay Rate: $65.00 – $70.00 per hour

Work Authorization: U.S. Citizenship required

Preferred: Local candidates to Greenville, SC

About the Role

We are seeking an experienced HVAC Principal Design Engineer to join our team onsite in Greenville, South Carolina. This is a senior-level engineering role responsible for leading HVAC system design efforts, providing technical oversight, and ensuring high-quality execution across complex engineering projects.

The ideal candidate will bring deep expertise in HVAC system design, advanced engineering analysis, and EPC project execution. This role requires strong leadership capabilities, the ability to solve complex technical challenges, and experience working in multidisciplinary environments.

Key Responsibilities

Lead HVAC design and engineering activities for complex industrial or infrastructure projects.
Provide technical leadership and guidance to engineers and designers on assigned projects.
Develop and review HVAC specifications, design criteria, and engineering deliverables.
Perform and verify advanced engineering calculations, including HVAC load calculations and airflow analysis.
Design HVAC systems including ductwork layouts, air handling systems, and utility systems (chillers, boilers, cooling towers, etc.).
Develop HVAC airflow diagrams, P&IDs, and sequence of operations narratives.
Coordinate with multidisciplinary teams, including mechanical, electrical, structural, and project management.
Interface with clients, vendors, and subcontractors to resolve technical issues and ensure alignment.
Support procurement activities including scope development, technical bid evaluations, and vendor submittal reviews.
Provide technical support during construction, including RFIs and field design changes.
Develop project estimates, schedules, progress reports, and resource forecasts.
Ensure all work is executed in compliance with project scope, schedule, cost, and quality requirements.

Required Qualifications

U.S. Citizenship required.
Bachelor of Science degree in Mechanical Engineering.
Minimum 15 years of HVAC engineering/design experience.
Advanced knowledge of HVAC system design, including:
HVAC load calculations
Airflow and instrumentation diagrams
Equipment sizing and specification (AHUs, chillers, boilers, etc.)
Ductwork sizing, routing, and system layout
Strong experience developing HVAC specifications and design documentation.
Working knowledge of applicable federal, state, and local codes and standards.
Experience supporting large EPC (Engineering, Procurement, and Construction) projects.
Strong ability to analyze and solve complex technical problems independently.
Effective communication skills with stakeholders including clients, vendors, and project teams.

Preferred Qualifications

Professional Engineer (PE) license.
Experience supporting nuclear or Department of Energy (DOE) projects.
Familiarity with ASME NQA-1 or nuclear quality standards.
Experience with 3D modeling and CADD tools in a multi-discipline environment.
Demonstrated experience leading engineering teams and managing large-scale projects.
Practical field or construction experience.

Key Skillsets

Advanced HVAC system design and engineering analysis
Leadership and technical oversight of engineering teams
EPC project execution and coordination
HVAC equipment selection and system integration
Engineering documentation and specification development
Multidisciplinary coordination and stakeholder communication
Problem-solving for complex engineering challenges

Knockout Questions (Yes/No)

Are you a U.S. Citizen?
Do you have a Bachelor’s degree in Mechanical Engineering?
Do you have at least 15 years of HVAC engineering/design experience?
Do you have experience performing HVAC load calculations and system design?
Do you have experience supporting large EPC projects?

Additional Details

Work Location: Onsite in Greenville, South Carolina

Travel: Minimal travel may be required

Schedule: Standard business hours

Preference: Candidates located in or near Greenville, SC are strongly preferred

Why Join Us

This role offers the opportunity to lead HVAC engineering design on large, complex projects within a collaborative and multidisciplinary environment. You will play a critical role in delivering high-impact engineering solutions while working alongside experienced professionals across multiple disciplines.

Company is an Equal Opportunity Employer (EOE), including disability/vets.

COMPA Industries, Inc.

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