HVAC Engineer

Position: HVAC Engineer
Location: 1000 New Horizons Way, Vacaville, CA 95688
Contract Duration: 6 Months (Potential for Extension or Full-Time Conversion)
Pay Rate: $70.26/hour (W2)
Benefits: Weekly Pay, Medical, Dental, and Vision Insurance

Job Summary
We are seeking an experienced HVAC Engineer to support the design, operation, maintenance, and optimization of HVAC and utility systems within a pharmaceutical manufacturing environment. In this role, you will ensure HVAC systems operate safely, reliably, and in compliance with GMP and regulatory standards while supporting facility operations, maintenance activities, and capital improvement projects.
This position plays a critical role in maintaining controlled manufacturing environments by ensuring proper temperature, humidity, airflow, pressure differentials, and air quality that directly impact product quality and regulatory compliance.

Key Responsibilities
HVAC Engineering & Technical Support

• Design, evaluate, and modify HVAC systems, including:
  • Air Handling Units (AHUs)
  • Ductwork and airflow distribution systems
  • Heating, cooling, humidification, and filtration systems
• Perform engineering calculations related to airflow, cooling/heating loads, pressure differentials, and energy efficiency.
• Ensure HVAC systems comply with GMP, Good Engineering Practices (GEP), and site engineering standards.
• Review and approve engineering drawings, specifications, design packages, and change control documentation.
• Support system commissioning, qualification, validation, and periodic requalification activities.

• Troubleshoot HVAC equipment failures, alarms, and operational deviations.
• Analyze system performance issues, including airflow imbalances, temperature fluctuations, humidity control, and pressure stability.
• Collaborate with Operations and Maintenance teams to resolve equipment issues and minimize downtime.
• Participate in after-hours or on-call support as required.

• Support HVAC systems integrated with Building Automation Systems (BAS), including:
  • Monitoring alarms and system trends
  • Troubleshooting control system issues
  • Implementing automation and control modifications
• Work with BAS platforms such as Siemens Desigo or similar systems to ensure reliable monitoring and regulatory compliance.

• Lead or support HVAC-related capital projects, retrofits, equipment upgrades, and facility expansions.
• Identify opportunities to improve energy efficiency and sustainability through airflow optimization, heat recovery, and system enhancements.
• Support retro-commissioning initiatives to improve reliability and operational performance.
• Assist in developing project scopes, schedules, budgets, and technical documentation.

• Ensure HVAC systems meet FDA, GMP, and internal quality requirements.
• Support audits, inspections, investigations, and deviation resolution.
• Develop and maintain:
  • Standard Operating Procedures (SOPs)
  • Engineering standards
  • Change controls
  • Validation and qualification documentation
• Provide engineering support for safety reviews, permits, and regulatory documentation.

• Bachelors degree in Mechanical Engineering or a related engineering discipline.

• 38+ years of HVAC engineering experience in manufacturing or industrial facilities.
• Experience supporting pharmaceutical, biotechnology, or other regulated manufacturing environments is highly preferred.

• Strong knowledge of:
  • HVAC system design, operation, and maintenance
  • Cleanroom and controlled environment requirements
  • Building Automation Systems (BAS)
  • HVAC troubleshooting and root cause analysis
  • Regulatory compliance (GMP, FDA, GEP)
• Excellent analytical, organizational, and problem-solving skills.
• Ability to manage multiple projects while collaborating effectively with Operations, Maintenance, Facilities, and Quality teams.

• Support critical site utility systems, including:
  • HVAC
  • Chilled Water Systems
  • Steam Systems
  • Compressed Air Systems
• Perform activities such as:
  • Airflow verification and system requalification
  • Equipment data management
  • Energy efficiency and sustainability initiatives
  • Utility system reliability improvements

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