What are the responsibilities and job description for the Heating Air Conditioning Design Engineer position at DBSI Services?

Job Role- HVAC Design Engineer

Job Location : Pineville, Louisiana

Job Description

We are seeking an experienced Industrial HVAC Design Engineer with 7-10 years of experience in the Chemical, FMCG, or pharmaceutical industry. The ideal candidate will be responsible for designing, developing, and optimizing HVAC systems for industrial and process applications, ensuring compliance with industry standards, energy efficiency, and environmental control. The role also involves on-site field support, construction support, vendor coordination, and troubleshooting during installation and commissioning.

Experience in pharmaceutical HVAC design, including cleanroom environments, GMP (Good Manufacturing Practices), and contamination control, will be an added advantage.

Key Responsibilities :

1. Industrial HVAC System Design & Engineering

Design and develop HVAC systems for industrial applications, including air handling units (AHUs), ventilation, ductwork, chilled water systems, and process cooling systems.
Perform heat load calculations, psychrometric analysis, and airflow distribution design for critical process areas.
Develop and review HVAC layouts, P&IDs (Piping & Instrumentation Diagrams), and GA (General Arrangement) drawings.
Ensure proper selection of chillers, cooling towers, heat exchangers, fans, pumps, and dehumidification systems based on process requirements.
Design cleanroom HVAC systems, including airlocks, HEPA / ULPA filtration, pressure balancing, and air change rate calculations.
Optimize airflow distribution and humidity control for pharmaceutical, chemical, and FMCG manufacturing facilities.
Ensure HVAC system integration with fire safety, building management systems (BMS), and energy recovery systems.

2. Compliance with Engineering Standards & Regulations

Ensure HVAC designs comply with ASHRAE, ISHRAE, SMACNA, NFPA, ISO, OSHA, USFDA, EU GMP, WHO GMP, and other regulatory requirements.

Develop and maintain engineering design calculations, HVAC specifications, and datasheets.

Conduct energy efficiency analysis and recommend improvements in HVAC performance.

Perform CFD (Computational Fluid Dynamics) simulations for airflow and thermal distribution optimization.

Conduct risk assessment and failure mode analysis (FMEA) for HVAC critical systems.

3. Site Support & Construction Support

Provide on-site technical support during HVAC system installation, testing, and commissioning.

Assist contractors with site execution, troubleshooting, and resolving technical queries.

Ensure compliance with HVAC design, safety, and quality standards during installation.

Conduct pre-commissioning and commissioning checks, including system validation, airflow balancing, and pressure testing.

Work closely with construction teams to review HVAC ducting, piping, and insulation installations for quality assurance.

Conduct as-built documentation and coordinate any design modifications required during construction.

4. Vendor Coordination & Support

Liaise with HVAC equipment vendors, suppliers, and contractors to ensure compliance with project requirements.

Review vendor proposals, specifications, and technical documentation, providing feedback and approvals.

Conduct technical discussions and negotiations with vendors for the selection of HVAC equipment.

Participate in FAT (Factory Acceptance Testing), SAT (Site Acceptance Testing), and third-party inspections.

Address and resolve vendor-related non-conformities or deviations from project specifications.

Key Skills & Competencies :

Strong knowledge of thermodynamics, psychrometrics, and heat transfer.

Experience in cleanroom HVAC design, pharmaceutical HVAC validation, and air filtration systems.

Ability to interpret HVAC layouts, equipment specifications, and airflow distribution diagrams.

Strong problem-solving, analytical skills, and regulatory compliance awareness.

Excellent communication, vendor management, and teamwork abilities.

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