Senior HVAC & Process Refrigeration Technician

Merck; Millsboro (DE); On-site; USD 72,000 - 113,000; Full time

Benefits offered by this job

Signing bonus

Medical benefits

Dental benefits

Vision benefits

401(k)

Paid holidays

Vacation

Sick days

Job summary

Merck & Co., Inc. in Millsboro, Delaware, is seeking an HVAC Maintenance Technician to support the site’s Center of Excellence for Poultry and Freeze Dried Vaccines.

The role focuses on maintaining process and environmental HVAC systems, ensuring regulatory compliance, and driving safe, high‑quality manufacturing in a fast-paced biotech setting. The ideal candidate has 3+ years with refrigeration and 5+ years in HVAC, with a universal refrigerant license, and the ability to work on ladders and

Qualifications

• Three or more years with refrigeration equipment.
• Five or more years of HVAC system experience.
• Proficient with electrical controls for HVACR.
• Valid driver’s license.
• Universal refrigerant license required.

Responsibilities

• Install, maintain, troubleshoot, and repair HVAC systems.
• Owner for site HVAC equipment performance and regulatory compliance.
• Provide timely status feedback to site customers.
• Maintain spare parts inventories.
• Support investigations of abnormal equipment performance.
• Support safety initiatives including lock-out/tag-out.
• Provide training as required.
• Work in an inclusive, high-performance team to achieve site goals.

Skills

Adaptability

HVAC Systems

CMMS

Electrical Troubleshooting

Instrumentation

Electrical Drawings

Mechanical Troubleshooting

Plumbing

Pneumatic Systems

Preventive Maintenance

PLC Engineering

Safety Compliance

Utilities Management

Vendor Relationships

Education

High School Diploma

AS degree in technical discipline

Job description

Merck & Co., Inc. in Millsboro, Delaware, is seeking an HVAC Maintenance Technician to support the site’s Center of Excellence for Poultry and Freeze Dried Vaccines.

The role focuses on maintaining process and environmental HVAC systems, ensuring regulatory compliance, and driving safe, high‑quality manufacturing in a fast-paced biotech setting. The ideal candidate has 3+ years with refrigeration and 5+ years in HVAC, with a universal refrigerant license, and the ability to work on ladders and