Sr. HVAC Technician

Req ID #:  48650

Horsham, PA, US, 19044-1241

For 70 years, Charles River employees have worked together to assist in the discovery, development and safe manufacture of new drug therapies. When you join our family, you will have a significant impact on the health and well-being of people across the globe. Whether your background is in life sciences, finance, IT, sales or another area, your skills will play an important role in the work we perform. In return, we’ll help you build a career that you can feel passionate about.

Long Description

Responsible for environmental systems monitoring, design, daily and preventive maintenance and new system construction and implementation. Assist with oversight and daily supervision of technical personnel. Provide leadership, technical guidance, and serve as a mentor to less experienced staff. Assist with oversight of external contractors and vendors who work on-site.



  • Perform and direct maintenance and construction of physical plant environmental systems.
  • Monitor and maintain HVAC systems and low level temperature storage equipment. Isolate and identify malfunctioning equipment for repair, adjustment, and replacement.
  • Periodically perform preventative maintenance on environmental systems.
  • Ensure compliance with safety and quality practices and procedures, GMP, and regulatory requirements for all maintenance work.
  • Coordinate purchasing and contractor services for maintenance operations.
  • Assist with the maintenance of site equipment management system.
  • Perform initial diagnostics and repairs on temperature controlled equipment (freezers, refrigerators, incubators, and LN2 storage units).
  • Respond to emergencies as needed and review, evaluate and support all site maintenance related emergencies and critical repairs.
  • Assist facility manager in environmental system design and utility cost reduction programs.
  • Identify training and development needs of assigned staff.  Assist in the development, implementa­tion and delivery of depart­mental training programs; ensure that assigned staff receive departmental orien­tation and necessary on-the-job training. 
  • Monitor performance of assigned staff.  Assist in providing regular coaching and counseling.  Serve as a mentor to less experienced staff.
  • Provide guidance in the day to day activities of assigned departmental employees to ensure accurate, high-quality work, and adherence to pertinent departmental policies, practices and procedures (SOPs, safety procedures and biosafety protocols). Assist supervisor to prioritize workload of assigned group.  Ensure schedule is prepared daily, accurately reflecting required tasks and work load.
  • Serve as a model as it relates to effective time management, communication and utilization of resources.  Provide leadership and motivation to departmental personnel.
  • Schedule overtime as directed; assist in the coordination of vacation/time off schedules.
  • Assist in the maintenance and communication of departmental systems and SOPs. 
  • Assist in the interview and selection of qualified non-exempt personnel.  Assist in developing recommendations regarding personnel actions, including hiring, promotions and raises.  Assist in the drafting of appropriate personnel action paperwork.
  • Use GMPs, SOPs, processes and company policies when performing all job functions.



  • Education:  High school diploma, General Education Degree (G.E.D.) or equivalent. Refrigerant certification preferred.
  • Experience:  7+ years of facility and HVAC/Low Temp equipment experience required. 15 years related experience in environmental system maintenance and design preferred.
  • An equivalent combination of education and experience may be accepted as a satisfactory substitute for the specific education and experience listed above.
  • Certification/Licensure:  Licensure in one or more trades required.
  • Other:  Demonstrated ability to work with minimal supervision.


About Safety Assessment
Charles River is committed to helping our partners expedite their preclinical drug development with exceptional safety assessment services, state-of-the-art facilities and expert regulatory guidance. From individual specialty toxicology and IND enabling studies to tailored packages and total laboratory support, our deeply experienced team can design and execute programs that anticipate challenges and avoid roadblocks for a smooth, efficient journey to market.  Each year approximately 120 investigational new drug (IND) programs are conducted in our Safety Assessment facilities.


About Charles River
Charles River is an early-stage contract research organization (CRO). We have built upon our foundation of laboratory animal medicine and science to develop a diverse portfolio of discovery and safety assessment services, both Good Laboratory Practice (GLP) and non-GLP, to support clients from target identification through preclinical development. Charles River also provides a suite of products and services to support our clients’ clinical laboratory testing needs and manufacturing activities. Utilizing this broad portfolio of products and services enables our clients to create a more flexible drug development model, which reduces their costs, enhances their productivity and effectiveness to increase speed to market.


With over 14,000 employees within 80 facilities in 20 countries around the globe, we are strategically positioned to coordinate worldwide resources and apply multidisciplinary perspectives in resolving our client’s unique challenges. Our client base includes global pharmaceutical companies, biotechnology companies, government agencies and hospitals and academic institutions around the world. And in 2018, revenue increased by 22% to $2.27 billion from $1.86 billion in 2017.

At Charles River, we are passionate about our role in improving the quality of people’s lives. Our mission, our excellent science and our strong sense of purpose guide us in all that we do, and we approach each day with the knowledge that our work helps to improve the health and well-being of many across the globe. We have proudly supported the development of ~85% of the drugs approved by the FDA in 2018.


Charles River Laboratories is an Equal Opportunity Employer - M/F/Disabled/Vet. If you are interested in applying to Charles River Laboratories and need special assistance or an accommodation due to a disability to complete any forms or to otherwise participate in the resume submission process, please contact a member of our Human Resources team by sending an e-mail message to This contact is for accommodation requests for individuals with disabilities only and cannot be used to inquire about the status of applications.

Job Segment: Toxicology, Technician, Biotech, HVAC, Drafting, Science, Technology, Operations, Engineering